10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 10-Q

☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2017

or

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from                     to                     

Commission file number 0-22664

Patterson-UTI Energy, Inc.

(Exact name of registrant as specified in its charter)

DELAWARE	75-2504748
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
10713 W. SAM HOUSTON PKWY N, SUITE 800 HOUSTON, TEXAS	77064
(Address of principal executive offices)	(Zip Code)

(281) 765-7100

(Registrant’s telephone number, including area code)

N/A

(Former name, former address and former fiscal year, if changed since last report)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.     Yes ☑     No ☐

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (section 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).     Yes ☑    No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act:

Large accelerated filer	☑	Accelerated filer	☐	Smaller reporting company	☐
Non-accelerated filer	☐			Emerging growth company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.          ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).     Yes ☐    No ☑

Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practicable date.

222,444,317 shares of common stock, $0.01 par value, as of October 30, 2017

PATTERSON-UTI ENERGY, INC. AND SUBSIDIARIES

TABLE OF CONTENTS

	PART I — FINANCIAL INFORMATION
		Page
ITEM 1.	Financial Statements
	Unaudited condensed consolidated balance sheets	3
	Unaudited condensed consolidated statements of operations	4
	Unaudited condensed consolidated statements of comprehensive loss	5
	Unaudited condensed consolidated statement of changes in stockholders’ equity	6
	Unaudited condensed consolidated statements of cash flows	7
	Notes to unaudited condensed consolidated financial statements	8
ITEM 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	26
ITEM 3.	Quantitative and Qualitative Disclosures About Market Risk	39
ITEM 4.	Controls and Procedures	39
	PART II — OTHER INFORMATION
ITEM 1.	Legal Proceedings	40
ITEM 1A.	Risk Factors	40
ITEM 2.	Unregistered Sales of Equity Securities and Use of Proceeds	40
ITEM 6.	Exhibits	41
Signature		42

PART I — FINANCIAL INFORMATION

ITEM 1. Financial Statements

The following unaudited condensed consolidated financial statements include all adjustments which are, in the opinion of management, necessary for a fair statement of the results for the interim periods presented.

PATTERSON-UTI ENERGY, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED BALANCE SHEETS

(unaudited, in thousands, except share data)

	September 30,			December 31,
	2017			2016
ASSETS
Current assets:
Cash and cash equivalents	$	37,839		$	35,152
Accounts receivable, net of allowance for doubtful accounts of $3,116 and $3,191    at September 30, 2017 and December 31, 2016, respectively		544,509			148,091
Federal and state income taxes receivable		630			2,126
Inventory		40,672			20,191
Other		54,647			41,322
Total current assets		678,297			246,882
Property and equipment, net		4,198,285			3,408,963
Goodwill and intangible assets		533,682			88,966
Deposits on equipment purchases		15,027			16,050
Deferred tax assets, net		2,562			4,124
Other		45,122			7,306
Total assets	$	5,472,975		$	3,772,291
LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
Accounts payable	$	303,522		$	125,667
Accrued expenses		245,826			139,148
Total current liabilities		549,348			264,815
Borrowings under revolving credit facility		144,000			—
Long-term debt, net of debt issuance cost of $1,303 and $1,563 at September 30, 2017    and December 31, 2016, respectively		598,697			598,437
Deferred tax liabilities, net		576,312			650,661
Other		11,416			9,654
Total liabilities		1,879,773			1,523,567
Commitments and contingencies (see Note 10)
Stockholders' equity:
Preferred stock, par value $.01; authorized 1,000,000 shares, no shares issued		—			—
Common stock, par value $.01; authorized 300,000,000 shares with 257,428,497    and 191,525,872 issued and 213,652,526 and 148,133,255 outstanding at    September 30, 2017 and December 31, 2016, respectively		2,574			1,915
Additional paid-in capital		2,588,327			1,042,696
Retained earnings		1,914,966			2,116,341
Accumulated other comprehensive income (loss)		5,461			(1,134	)
Treasury stock, at cost, 43,775,971 and 43,392,617 shares at September 30, 2017 and    December 31, 2016, respectively		(918,126	)		(911,094	)
Total stockholders' equity		3,593,202			2,248,724
Total liabilities and stockholders' equity	$	5,472,975		$	3,772,291

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

3

PATTERSON-UTI ENERGY, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(unaudited, in thousands, except per share data)

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2017			2016			2017			2016
Operating revenues:
Contract drilling	$	301,614		$	123,684		$	730,453		$	407,578
Pressure pumping		362,441			78,165			793,659			248,428
Other		20,934			4,284			45,238			12,973
Total operating revenues		684,989			206,133			1,569,350			668,979
Operating costs and expenses:
Contract drilling		186,957			74,517			475,836			219,218
Pressure pumping		290,315			77,221			643,228			234,580
Other		15,882			1,846			31,812			5,586
Depreciation, depletion, amortization and impairment		196,642			163,464			572,187			511,209
Selling, general and administrative		27,551			16,612			69,881			51,671
Merger and integration expenses		9,449			—			65,798			—
Other operating income, net		(3,791	)		(4,118	)		(18,501	)		(10,285	)
Total operating costs and expenses		723,005			329,542			1,840,241			1,011,979
Operating loss		(38,016	)		(123,409	)		(270,891	)		(343,000	)
Other income (expense):
Interest income		101			63			1,149			273
Interest expense, net of amount capitalized		(9,584	)		(10,244	)		(26,929	)		(31,722	)
Other		78			19			226			52
Total other expense		(9,405	)		(10,162	)		(25,554	)		(31,397	)
Loss before income taxes		(47,421	)		(133,571	)		(296,445	)		(374,397	)
Income tax benefit		(13,652	)		(49,428	)		(106,953	)		(133,885	)
Net loss	$	(33,769	)	$	(84,143	)	$	(189,492	)	$	(240,512	)
Net loss per common share:
Basic	$	(0.16	)	$	(0.58	)	$	(0.99	)	$	(1.65	)
Diluted	$	(0.16	)	$	(0.58	)	$	(0.99	)	$	(1.65	)
Weighted average number of common shares outstanding:
Basic		211,875			146,326			191,237			146,014
Diluted		211,875			146,326			191,237			146,014
Cash dividends per common share	$	0.02		$	0.02		$	0.06		$	0.14

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

4

PATTERSON-UTI ENERGY, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS

(unaudited, in thousands)

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2017			2016			2017			2016
Net loss	$	(33,769	)	$	(84,143	)	$	(189,492	)	$	(240,512	)
Other comprehensive income (loss), net of taxes of $0 for all periods:
Foreign currency translation adjustment		3,607			(2,379	)		6,595			4,768
Total comprehensive loss	$	(30,162	)	$	(86,522	)	$	(182,897	)	$	(235,744	)

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

5

PATTERSON-UTI ENERGY, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS’ EQUITY

(unaudited, in thousands)

												Accumulated
	Common Stock					Additional						Other
	Number of					Paid-in			Retained			Comprehensive			Treasury
	Shares			Amount		Capital			Earnings			Income (Loss)			Stock			Total
Balance, December 31, 2016		191,526		$	1,915	$	1,042,696		$	2,116,341		$	(1,134	)	$	(911,094	)		2,248,724
Net loss		—			—		—			(189,492	)		—			—			(189,492	)
Foreign currency translation    adjustment		—			—		—			—			6,595			—			6,595
Equity offering		18,170			182		471,388			—			—			—			471,570
Shares issued for acquisition		46,298			463		1,038,933			—			—			—			1,039,396
Exercise of stock options		10			—		223			—			—			—			223
Issuance of restricted stock		891			9		(9	)		—			—			—			—
Vesting of restricted stock units		549			5		(5	)		—			—			—			—
Forfeitures of restricted stock		(16	)		—		—			—			—			—			—
Stock-based compensation		—			—		35,101			—			—			—			35,101
Payment of cash dividends		—			—		—			(11,866	)		—			—			(11,866	)
Dividend equivalents		—			—		—			(17	)		—			—			(17	)
Purchase of treasury stock		—			—		—			—			—			(7,032	)		(7,032	)
Balance, September 30, 2017		257,428		$	2,574	$	2,588,327		$	1,914,966		$	5,461		$	(918,126	)	$	3,593,202

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

6

PATTERSON-UTI ENERGY, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(unaudited, in thousands)

	Nine Months Ended
	September 30,
	2017			2016
Cash flows from operating activities:
Net loss	$	(189,492	)	$	(240,512	)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation, depletion, amortization and impairment		572,187			511,209
Dry holes and abandonments		443			—
Deferred income tax benefit		(104,190	)		(109,045	)
Stock-based compensation expense		35,101			21,130
Net gain on asset disposals		(19,079	)		(9,808	)
Tax expense on stock-based compensation		—			(4,895	)
Amortization of debt issuance costs		260			2,184
Changes in operating assets and liabilities:
Accounts receivable		(246,407	)		74,742
Income taxes receivable		1,499			28,524
Inventory and other assets		(26,398	)		7,876
Accounts payable		91,499			(19,652	)
Accrued expenses		15,917			(7,616	)
Other liabilities		(75	)		(1,431	)
Net cash provided by operating activities		131,265			252,706
Cash flows from investing activities:
Acquisition, net of cash acquired		(434,194	)		155
Purchases of property and equipment		(329,851	)		(80,511	)
Proceeds from disposal of assets		39,672			18,384
Other investments		(2,520	)		—
Net cash used in investing activities		(726,893	)		(61,972	)
Cash flows from financing activities:
Proceeds from equity offering		471,570			—
Purchases of treasury stock		(6,809	)		(3,611	)
Dividends paid		(11,866	)		(20,618	)
Debt issuance costs		—			(3,357	)
Repayment of long-term debt		—			(255,000	)
Proceeds from borrowings under revolving credit facility		282,000			95,000
Repayment of borrowings under revolving credit facility		(138,000	)		(80,000	)
Net cash provided by (used in) financing activities		596,895			(267,586	)
Effect of foreign exchange rate changes on cash		1,420			478
Net increase (decrease) in cash and cash equivalents		2,687			(76,374	)
Cash and cash equivalents at beginning of period		35,152			113,346
Cash and cash equivalents at end of period	$	37,839		$	36,972
Supplemental disclosure of cash flow information:
Net cash (paid) received during the period for:
Interest, net of capitalized interest of $781 in 2017 and $327 in 2016	$	(18,336	)	$	(21,973	)
Income taxes	$	3,866		$	44,987
Non-cash investing and financing activities:
Net increase in payables for purchases of property and equipment	$	48,919		$	16,884
Issuance of common stock for business acquisition	$	1,039,396			6,733
Net decrease in deposits on equipment purchases	$	1,023		$	4,667

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

7

PATTERSON-UTI ENERGY, INC. AND SUBSIDIARIES

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

1. Basis of Consolidation and Presentation

The unaudited interim condensed consolidated financial statements include the accounts of Patterson-UTI Energy, Inc. (the “Company”) and its wholly-owned subsidiaries. All significant intercompany accounts and transactions have been eliminated. Except for wholly-owned subsidiaries, the Company has no controlling financial interests in any entity which would require consolidation.

The unaudited interim condensed consolidated financial statements have been prepared by management of the Company pursuant to the rules and regulations of the United States Securities and Exchange Commission. Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) have been omitted pursuant to such rules and regulations, although the Company believes the disclosures included either on the face of the financial statements or herein are sufficient to make the information presented not misleading. In the opinion of management, all recurring adjustments considered necessary for a fair statement of the information in conformity with U.S. GAAP have been included. The unaudited condensed consolidated balance sheet as of December 31, 2016, as presented herein, was derived from the audited consolidated balance sheet of the Company, but does not include all disclosures required by U.S. GAAP. These unaudited condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and related notes included in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2016. The results of operations for the three and nine months ended September 30, 2017 are not necessarily indicative of the results to be expected for the full year.

The U.S. dollar is the functional currency for all of the Company’s operations except for its Canadian operations, which use the Canadian dollar as its functional currency. The effects of exchange rate changes are reflected in accumulated other comprehensive loss, which is a separate component of stockholders’ equity.

In 2017, the Company adopted new guidance for the presentation of deferred tax liabilities and assets and such guidance was applied retrospectively, resulting in the reclassification of $36.4 million from current deferred tax assets as of December 31, 2016.  Of this amount, $4.1 million was reclassified to long-term deferred tax assets and $32.3 million was reclassified to long-term deferred tax liabilities.  During the fourth quarter of 2016, the Company changed its reporting segment presentation, as the Company no longer considers its oil and natural gas exploration and production activities to be significant to an understanding of the Company’s results.  The Company now presents the oil and natural gas exploration and production activities, oilfield rental tool business, pipe handling components and related technology business and Middle East/North Africa activities as “Other,” and “Corporate” reflects only corporate activities.  This change in segment presentation was applied retrospectively to all periods presented herein (See Note 6).

On December 12, 2016, the Company entered into an Agreement and Plan of Merger (the “merger agreement”) with Seventy Seven Energy Inc. (“SSE”), and the merger closed on April 20, 2017 (the “merger date”).  The Company’s results include the results of operations of SSE since the merger date (See Note 2).  

The Company provides a dual presentation of its net loss per common share in its unaudited condensed consolidated statements of operations: basic net loss per common share (“Basic EPS”) and diluted net loss per common share (“Diluted EPS”).

Basic EPS excludes dilution and is computed by first allocating earnings between common stockholders and holders of non-vested shares of restricted stock. Basic EPS is then determined by dividing the earnings attributable to common stockholders by the weighted average number of common shares outstanding during the period, excluding non-vested shares of restricted stock.

Diluted EPS is based on the weighted average number of common shares outstanding plus the dilutive effect of potential common shares, including stock options, non-vested shares of restricted stock and restricted stock units. The dilutive effect of stock options and restricted stock units is determined using the treasury stock method. The dilutive effect of non-vested shares of restricted stock is based on the more dilutive of the treasury stock method or the two-class method, assuming a reallocation of undistributed earnings to common stockholders after considering the dilutive effect of potential common shares other than non-vested shares of restricted stock.

8

The following table presents information necessary to calculate net loss per share for the three and ninemonths endedSeptember30,2017 and 2016 as well as potentially dilutive securities excluded from the weighted average number of diluted common shares outstanding because their inclusion would have been anti-dilutive (in thousands, except per share amounts):

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2017			2016			2017			2016
BASIC EPS:
Net loss attributed to common stockholders	$	(33,769	)	$	(84,143	)	$	(189,492	)	$	(240,512	)
Weighted average number of common shares outstanding, excluding    non-vested shares of restricted stock		211,875			146,326			191,237			146,014
Basic net loss per common share	$	(0.16	)	$	(0.58	)	$	(0.99	)	$	(1.65	)
DILUTED EPS:
Net loss attributed to common stockholders	$	(33,769	)	$	(84,143	)	$	(189,492	)	$	(240,512	)
Weighted average number of common shares outstanding, excluding    non-vested shares of restricted stock		211,875			146,326			191,237			146,014
Add dilutive effect of potential common shares		—			—			—			—
Weighted average number of diluted common shares outstanding		211,875			146,326			191,237			146,014
Diluted net loss per common share	$	(0.16	)	$	(0.58	)	$	(0.99	)	$	(1.65	)
Potentially dilutive securities excluded as anti-dilutive		9,973			9,141			9,973			9,141

2. Acquisitions

Seventy Seven Energy Inc. (“SSE”)

On April 20, 2017, pursuant to the merger agreement, a subsidiary of the Company was merged with and into SSE, with SSE continuing as the surviving entity and one of the Company’s wholly owned subsidiaries (the “SSE merger”). Pursuant to the terms of the merger agreement, the Company acquired all of the issued and outstanding shares of common stock of SSE, in exchange for approximately 46.3 million shares of common stock of the Company. Concurrent with the closing of the merger, the Company repaid all of the outstanding debt of SSE totaling $472 million.  Based on the closing price of the Company’s common stock on April 20, 2017, the total fair value of the consideration transferred to effect the acquisition of SSE was approximately $1.5 billion.  On April 20, 2017, following the SSE merger, SSE was merged with and into a newly-formed subsidiary of the Company named Seventy Seven Energy LLC (“SSE LLC”), with SSE LLC continuing as the surviving entity and one of the Company’s wholly owned subsidiaries.

Through the SSE merger, the Company acquired a fleet of 91 drilling rigs, 36 of which the Company considers to be APEX® class rigs. Additionally, through the SSE merger, the Company acquired approximately 500,000 horsepower of modern, efficient fracturing equipment located in Oklahoma and Texas.  The oilfield rentals business acquired through the SSE merger has a modern, well-maintained fleet of premium rental tools, and it provides specialized services for land-based oil and natural gas drilling, completion and workover activities.  

The merger has been accounted for as a business combination using the acquisition method.  Under the acquisition method of accounting, the fair value of the consideration transferred is allocated to the tangible and intangible assets acquired and the liabilities assumed based on their estimated fair values as of the acquisition date, with the remaining unallocated amount recorded as goodwill.

The total fair value of the consideration transferred was determined as follows (in thousands, except stock price):

Shares of Company common stock issued to SSE shareholders		46,298
Company common stock price on April 20, 2017	$	22.45
Fair value of common stock issued	$	1,039,396
Plus SSE long-term debt repaid by Company	$	472,000
Total fair value of consideration transferred	$	1,511,396

9

The final determination of the fair value of assets acquired and liabilities assumed at the merger date will be completed as soon as possible, but no later than one year from the merger date (the “measurement period”).  The Company’s preliminary purchase price allocation is subject to revision as additional information about the fair value of assets and liabilities becomes available.  Additional information that existed as of the merger date, but at the time was unknown to the Company, may become known to the Company during the remainder of the measurement period.  The final determination of fair value may differ materially from these preliminary estimates.  The following table represents the preliminary allocation of the total purchase price of SSE to the assets acquired and the liabilities assumed based on the fair value at the merger date, with the excess of the purchase price over the estimated fair value of the identifiable net assets acquired recorded as goodwill (in thousands):  

Identifiable assets acquired
Cash and cash equivalents	$	37,806
Accounts receivable		149,598
Inventory		8,036
Other current assets		19,250
Property and equipment		984,430
Other long-term assets		14,546
Intangible assets		22,500
Total identifiable assets acquired		1,236,166
Liabilities assumed
Accounts payable and accrued liabilities		130,100
Deferred income taxes		31,402
Other long-term liabilities		1,734
Total liabilities assumed		163,236
Net identifiable assets acquired		1,072,930
Goodwill		438,466
Total net assets acquired	$	1,511,396

The acquired goodwill is not deductible for tax purposes.  Among the factors that contributed to a purchase price resulting in the recognition of goodwill was SSE’s reputation as an experienced provider of high-quality contract drilling and pressure pumping services in a safe and efficient manner.  See Note 7 for a breakdown of goodwill acquired by operating segment.

A portion of the fair value consideration transferred has been provisionally assigned to identifiable intangible assets as follows:

	Fair Value		Weighted Average Useful Life
	(in thousands)		(in years)
Assets
Favorable drilling contracts	$	22,500	1

10

The results of SSE’s operations since the merger date are included in our consolidated statement of operations.  The following pro forma condensed combined financial information was derived from the historical financial statements of the Company and SSE and gives effect to the merger as if it had occurred on January 1, 2016.  The below information reflects pro forma adjustments based on available information and certain assumptions the Company believes are reasonable, including (i) adjustments related to the depreciation and amortization of the fair value of acquired intangibles and fixed assets, (ii) removal of the historical interest expense of SSE, (iii) tax benefit of the aforementioned pro forma adjustments, and (iv) adjustments related to the common shares outstanding to reflect the impact of the consideration exchanged in the merger.  Additionally, the pro forma loss for the three months ended September 30, 2017 was adjusted to exclude the Company’s merger and integration-related costs of $9.4 million.   The pro forma loss for the nine months ended September30, 2017 was adjusted to exclude the Company’s merger and integration-related costs of $65.8 million and SSE’s merger-related costs of $36.7 million.  The pro forma results of operations do not include any cost savings or other synergies that may result from the SSE merger or any estimated costs that have been or will be incurred by the Company to integrate the SSE operations.  The pro forma condensed combined financial information has been included for comparative purposes and is not necessarily indicative of the results that might have actually occurred had the SSE merger taken place on January 1, 2016; furthermore, the financial information is not intended to be a projection of future results.  The following table summarizes selected financial information of the Company on a pro forma basis (in thousands, except per share data):

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2017			2016			2017			2016
Revenues	$	684,989		$	326,227		$	1,811,903		$	1,082,554
Net loss		(27,627	)		(117,185	)		(189,098	)		(346,481	)
Loss per share		(0.13	)		(0.56	)		(0.89	)		(1.65	)

Multi-Shot, LLC (“MS Directional”)

On October 11, 2017, the Company acquired all of the issued and outstanding limited liability company interests of Multi-Shot, LLC (“MS Directional”). The aggregate consideration paid by the Company to the sellers consisted of $75 million in cash and 8,798,391 shares of the Company’s common stock.  The purchase price is subject to customary post-closing adjustments relating to cash, net working capital and indebtedness of MS Directional as of the closing.  Based on the closing price of the Company’s common stock on the closing date of the transaction, the total fair value of the consideration transferred to effect the acquisition of MS Directional was approximately $262 million.  

MS Directional is a leading directional drilling services company in the United States, with operations in most major producing onshore oil and gas basins.  MS Directional provides a comprehensive suite of directional drilling services, including directional drilling, downhole performance motors, directional surveying, measurement while drilling, and wireline steering tools.  

The Company’s consolidated results of operations will include the results of the acquired MS Directional business beginning with the closing date of the acquisition of October 11, 2017.  Due to the timing of the closing of the acquisition, the Company has not completed the detailed valuation work necessary to determine the required estimates of the fair value of the acquired assets and liabilities assumed and the related allocation of purchase price.  MS Directional had total assets of approximately $104 million as of December 31, 2016, consisting of $21.4 million of accounts receivable, $23.9 million of inventory, $53.8 million of property and equipment and $4.9 million of other assets.  The Company’s preliminary allocation of purchase price to the assets acquired will be included in future SEC filings of the Company.

As this transaction closed subsequent to the end of the third quarter of 2017, the condensed consolidated financial statements and accompanying notes do not reflect any amounts relating to MS Directional.

3. Stock-based Compensation

The Company uses share-based payments to compensate employees and non-employee directors.  The Company recognizes the cost of share-based payments under the fair-value-based method.  Share-based awards include equity instruments in the form of stock options, restricted stock or restricted stock units that have included service conditions and, in certain cases, performance conditions.  The Company’s share-based awards also include share-settled performance unit awards.  Share-settled performance unit awards are accounted for as equity awards.  The Company issues shares of common stock when vested stock options are exercised, when restricted stock is granted and when restricted stock units and share-settled performance unit awards vest.  

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The Patterson-UTI Energy, Inc. 2014 Long-Term Incentive Plan (the “2014 Plan”) was originally approved by the Company’s stockholders effective as of April 17, 2014.  On June 29, 2017, the Company’s stockholders approved the amendment and restatement of the 2014 Plan (the “Amended and Restated Plan”) to increase the number of shares available for future issuance under the plan to 10,049,156 shares.  The aggregate number of shares of Common Stock authorized for grant under the Amended and Restated Plan is 18.9 million, which includes the 9.1 million shares previously authorized under the 2014 Plan.

Stock Options — The Company estimates the grant date fair values of stock options using the Black-Scholes-Merton valuation model. Volatility assumptions are based on the historic volatility of the Company’s common stock over the most recent period equal to the expected term of the options as of the date such options are granted. The expected term assumptions are based on the Company’s experience with respect to employee stock option activity. Dividend yield assumptions are based on the expected dividends at the time the options are granted. The risk-free interest rate assumptions are determined by reference to United States Treasury yields. No options were granted in the three or nine months ended September 30, 2017. Weighted-average assumptions used to estimate the grant date fair values for stock options granted for the three and nine month periods ended September 30, 2016 follow:

	Three Months Ended			Nine Months Ended
	September 30,			September 30,
	2016			2016
Volatility		34.87	%		35.11	%
Expected term (in years)		5.00			5.00
Dividend yield		0.42	%		2.05	%
Risk-free interest rate		1.20	%		1.40	%

Stock option activity from January 1, 2017 to September 30, 2017 follows:

				Weighted
				Average
	Underlying			Exercise Price
	Shares			Per Share
Outstanding at January 1, 2017		6,687,150		$	20.68
Exercised		(10,000	)	$	22.29
Expired		(600,000	)	$	24.17
Outstanding at September 30, 2017		6,077,150		$	20.34
Exercisable at September 30, 2017		5,421,310		$	20.50

Restricted Stock — For all restricted stock awards made to date, shares of common stock were issued when the awards were made. Non-vested shares are subject to forfeiture for failure to fulfill service conditions, and, in certain cases, performance conditions. Non-forfeitable dividends are paid on non-vested shares of restricted stock. The Company uses the straight-line method to recognize periodic compensation cost over the vesting period.

Restricted stock activity from January 1, 2017 to September 30, 2017 follows:

				Weighted
				Average Grant
				Date Fair Value
	Shares			Per Share
Non-vested restricted stock outstanding at January 1, 2017		1,427,455		$	22.26
Granted		890,904		$	21.78
Vested		(724,626	)	$	23.62
Forfeited		(16,003	)	$	22.80
Non-vested restricted stock outstanding at September 30, 2017		1,577,730		$	21.36

Restricted Stock Units — For all restricted stock unit awards made to date, shares of common stock are not issued until the units vest.  Restricted stock units are subject to forfeiture for failure to fulfill service conditions and, in certain cases, performance conditions.  Non-forfeitable cash dividend equivalents are paid on certain non-vested restricted stock units.  The Company uses the straight-line method to recognize periodic compensation cost over the vesting period.

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Restricted stock unit activity from January 1, 2017 to September 30, 2017 follows:

				Weighted
				Average Grant
				Date Fair Value
	Shares			Per Share
Non-vested restricted stock units outstanding at January 1, 2017		191,655		$	19.85
Granted		1,090,292		$	19.75
Assumed (1)		505,551		$	22.45
Vested		(549,451	)	$	22.24
Forfeited		(38,374	)	$	21.61
Non-vested restricted stock units outstanding at September 30, 2017		1,199,673		$	19.71

(1) Restricted stock unit awards under the Seventy Seven Energy Inc. 2016 Omnibus Incentive Plan, which was adopted, assumed, amended and renamed by the Company in connection with the SSE merger.  No additional awards will be made under this plan.  

Performance Unit Awards.  The Company has granted share-settled performance unit awards to certain executive officers (the “Performance Units”) on an annual basis since 2010.  The Performance Units provide for the recipients to receive a grant of shares of common stock upon the achievement of certain performance goals during a specified period established by the Compensation Committee.  The performance period for the Performance Units is the three-year period commencing on April 1 of the year of grant, except that for the Performance Units granted in 2013 the performance period was extended pursuant to its terms, as described below, and for the Performance Units granted in 2017 the three-year performance period commenced on May 1.  

The performance goals for the Performance Units are tied to the Company’s total shareholder return for the performance period as compared to total shareholder return for a peer group determined by the Compensation Committee.  These goals are considered to be market conditions under the relevant accounting standards and the market conditions were factored into the determination of the fair value of the respective Performance Units.  Generally, the recipients will receive a target number of shares if the Company’s total shareholder return during the performance period, when compared to the peer group, is at the 50^th percentile.  If the Company’s total shareholder return during the performance period, when compared to the peer group, is at the 75^th percentile or higher, then the recipients will receive two times the target number of shares.  If the Company’s total shareholder return during the performance period, when compared to the peer group, is at the 25^th percentile, then the recipients will only receive one-half of the target number of shares.  If the Company’s total shareholder return during the performance period, when compared to the peer group, is between the 25^th and 75^th percentile, then the shares to be received by the recipients will be determined on a pro-rata basis.  

For the Performance Units awarded prior to 2016, there is no payout unless the Company’s total shareholder return is positive and, when compared to the peer group, is at or above the 25^th percentile.  In respect of the 2013 Performance Units, for which the performance period ended March 31, 2016, the Company’s total shareholder return for the performance period was negative, the Company’s total shareholder return for the performance period when compared to the peer group was above the 75^th percentile, and there was no payout; provided, however, that pursuant to the terms of those 2013 awards, if, during the two-year period ending March 31, 2018, the Company’s total shareholder return for any 30 consecutive day period equals or exceeds 18 percent on an annualized basis from April 1, 2013 through the last day of such 30 consecutive day period, and the recipient is actively employed by the Company through the last day of the extended performance period, then the Company will issue to the recipient the number of shares equal to the amount the recipient would have been entitled to receive had the Company’s total shareholder return been positive during the initial three-year performance period.

For the Performance Units granted in April 2016, if the Company’s total shareholder return is negative, and, when compared to the peer group is at or above the 25th percentile, then the recipients will receive one-half of the number of shares they would have received had the Company’s total shareholder return been positive.  For the Performance Units granted in May 2017, the payout is based on relative performance and does not have an absolute performance requirement.

The total target number of shares with respect to the Performance Units for the awards in 2013-2017 is set forth below:

	2017		2016		2015		2014		2013
	Performance		Performance		Performance		Performance		Performance
	Unit Awards		Unit Awards		Unit Awards		Unit Awards		Unit Awards
Target number of shares		186,198		185,000		190,600		154,000		236,500

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Because the performance units are share-settled awards, they are accounted for as equity awards and measured at fair value on the date of grant using a Monte Carlo simulation model. The fair value of the Performance Units is set forth below (in thousands):

	2017		2016		2015		2014		2013
	Performance		Performance		Performance		Performance		Performance
	Unit Awards		Unit Awards		Unit Awards		Unit Awards		Unit Awards
Fair value at date of grant	$	5,780	$	3,854	$	4,052	$	5,388	$	5,564

These fair value amounts are charged to expense on a straight-line basis over the performance period. Compensation expense associated with the Performance Units is shown below (in thousands):

	2017		2016		2015		2014		2013
	Performance		Performance		Performance		Performance		Performance
	Unit Awards		Unit Awards		Unit Awards		Unit Awards		Unit Awards
Three months ended September 30, 2017	$	482	$	321	$	338	NA		NA
Three months ended September 30, 2016	NA		$	321	$	338	$	449	NA
Nine months ended September 30, 2017	$	803	$	963	$	1,013	$	449	NA
Nine months ended September 30, 2016	NA		$	642	$	1,013	$	1,347	$	464

4. Inventory

Inventory consisted of the following at September 30, 2017 and December 31, 2016 (in thousands):

	September 30,		December 31,
	2017		2016
Finished goods	$	1,332	$	—
Work-in-process		3,910		1,803
Raw materials and supplies		35,430		18,388
Inventory	$	40,672	$	20,191

5. Property and Equipment

Property and equipment consisted of the following at September 30, 2017 and December 31, 2016 (in thousands):

	September 30,			December 31,
	2017			2016
Equipment	$	7,882,765		$	6,809,129
Oil and natural gas properties		209,912			201,568
Buildings		186,452			97,029
Land		26,630			22,270
Total property and equipment		8,305,759			7,129,996
Less accumulated depreciation, depletion and impairment		(4,107,474	)		(3,721,033	)
Property and equipment, net	$	4,198,285		$	3,408,963

On a periodic basis, the Company evaluates its fleet of drilling rigs for marketability based on the condition of inactive rigs, expenditures that would be necessary to bring them to working condition and the expected demand for drilling services by rig type (such as drilling conventional, vertical wells versus drilling longer, horizontal wells using higher specification rigs).  The components comprising rigs that will no longer be marketed are evaluated, and those components with continuing utility to the Company’s other marketed rigs are transferred to other rigs or to the Company’s yards to be used as spare equipment.  The remaining components of these rigs are retired.  In the second quarter of 2017, the Company recorded an impairment charge of $29.0 million for the write-down of drilling equipment with no continuing utility as a result of the upgrade of certain rigs to super-spec capability.

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In addition, the Company evaluates the recoverability of its long-lived assets whenever events or changes in circumstances indicate that their carrying amounts may not be recoverable (a “triggering event”).  Based on recent commodity prices, the Company’s results of operations for the three and ninemonth periods ended September30, 2017 and management’s expectations of operating results in future periods, the Company concluded that no triggering event occurred during the nine months ended September30,2017 with respect to its contract drilling segment, its pressure pumping segment or its other operations, except for oil and natural gas properties, which are discussed in the following paragraph.  Management’s expectations of future operating results were based on the assumption that activity levels in both segments and its other operations will remain relatively stable in response to relatively stable oil prices.

The Company reviews its proved oil and natural gas properties for impairment whenever a triggering event occurs, such as downward revisions in reserve estimates or decreases in expected future oil and natural gas prices.  Proved properties are grouped by field, and undiscounted cash flow estimates are prepared based on the Company’s expectation of future pricing over the lives of the respective fields.  These cash flow estimates are reviewed by an independent petroleum engineer.  If the net book value of a field exceeds its undiscounted cash flow estimate, impairment expense is measured and recognized as the difference between net book value and fair value.  Impairment expense related to proved and unproved oil and natural gas properties totaled $1.3 million in the third quarter of 2017 and $3.5 million for the nine months ended September 30, 2017 and is included in depreciation, depletion, amortization and impairment in the condensed consolidated statements of operations.  

6. Business Segments

At September 30, 2017, the Company’s revenues, loss before income taxes and identifiable assets were primarily attributable to two business segments: (i) contract drilling of oil and natural gas wells and (ii) pressure pumping services. Each of these segments represents a distinct type of business and has a separate management team that reports to the Company’s chief operating decision maker. The results of operations in these segments are regularly reviewed by the chief operating decision maker for purposes of determining resource allocation and assessing performance.

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The following tables summarize selected financial information relating to the Company’s business segments (in thousands):

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2017			2016			2017			2016
Revenues:
Contract drilling	$	301,954		$	123,863		$	731,496		$	407,855
Pressure pumping		362,441			78,165			793,659			248,428
Other operations (a)		22,832			4,284			48,092			12,973
Elimination of intercompany revenues (b)		(2,238	)		(179	)		(3,897	)		(277	)
Total revenues	$	684,989		$	206,133		$	1,569,350		$	668,979
Income (loss) before income taxes:
Contract drilling	$	(20,397	)	$	(67,786	)	$	(155,465	)	$	(173,331	)
Pressure pumping		16,841			(46,569	)		(1,414	)		(136,553	)
Other operations		(6,516	)		228			(13,030	)		(2,263	)
Corporate		(31,735	)		(13,400	)		(119,483	)		(41,138	)
Other operating income, net (c)		3,791			4,118			18,501			10,285
Interest income		101			63			1,149			273
Interest expense		(9,584	)		(10,244	)		(26,929	)		(31,722	)
Other		78			19			226			52
Loss before income taxes	$	(47,421	)	$	(133,571	)	$	(296,445	)	$	(374,397	)
Depreciation, depletion, amortization and impairment
Contract drilling	$	133,603		$	115,652		$	405,576		$	357,153
Pressure pumping		51,274			44,587			141,329			141,557
Other operations		9,534			1,856			19,826			8,393
Corporate		2,231			1,369			5,456			4,106
Total depreciation, depletion, amortization and impairment	$	196,642		$	163,464		$	572,187		$	511,209
Capital expenditures
Contract drilling	$	106,879		$	17,551		$	222,426		$	46,001
Pressure pumping		27,230			8,330			85,423			27,662
Other operations		8,647			2,401			21,016			5,621
Corporate		305			395			986			1,227
Total capital expenditures	$	143,061		$	28,677		$	329,851		$	80,511

	September 30,		December 31,
	2017		2016
Identifiable assets:
Contract drilling	$	3,950,748	$	3,032,819
Pressure pumping		1,227,384		653,630
Other operations		166,900		48,885
Corporate (d)		127,943		36,957
Total assets	$	5,472,975	$	3,772,291

(a) Other operations includes the Company’s oilfield rental tools business, pipe handling components and related technology business, the oil and natural gas working interests and the Middle East/North Africa activities.

(b) For 2016, intercompany revenues consists of contract drilling intercompany revenues for services provided to other operations. For 2017, intercompany revenues also includes revenues from other operations for services provided to contract drilling, pressure pumping and within other operations.

(c) Other operating income includes net gains associated with the disposal of assets related to corporate strategy decisions of the executive management group.  Accordingly, the related gains have been excluded from the operating results of specific segments.  This caption also includes expenses related to certain legal settlements net of insurance reimbursements.  

(d) Corporate assets primarily include cash on hand and certain property and equipment.

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7. Goodwill and Intangible Assets

Goodwill — Goodwill by operating segment as of September 30, 2017 and changes for the nine months then ended are as follows (in thousands):

	Contract		Pressure
	Drilling		Pumping		Total
Balance at beginning of period	$	86,234	$	—	$	86,234
Goodwill acquired		300,819		137,647		438,466
Balance at end of period	$	387,053	$	137,647	$	524,700

There were no accumulated impairment losses related to goodwill as of September 30, 2017 or December 31, 2016.

Goodwill is evaluated at least annually as of December 31, or when circumstances require, to determine if the fair value of recorded goodwill has decreased below its carrying value.  For impairment testing purposes, goodwill is evaluated at the reporting unit level.  The Company’s reporting units for impairment testing are its operating segments.  The Company determines whether it is more likely than not that the fair value of a reporting unit is less than its carrying value after considering qualitative, market and other factors, and if this is the case, any necessary goodwill impairment is determined using a quantitative impairment test.  From time to time, the Company may perform quantitative testing for goodwill impairment in lieu of performing the qualitative assessment.  If the resulting fair value of goodwill is less than the carrying value of goodwill, an impairment loss would be recognized for the amount of the shortfall.

Intangible Assets — The following table presents the gross carrying amount and accumulated amortization of the intangible assets as of September 30, 2017 and December 31, 2016 (in thousands):

	September 30, 2017							December 31, 2016
	Gross					Net		Gross					Net
	Carrying		Accumulated			Carrying		Carrying		Accumulated			Carrying
	Amount		Amortization			Amount		Amount		Amortization			Amount
Customer relationships	$	25,500	$	(25,500	)	$	—	$	25,500	$	(22,768	)	$	2,732
Favorable drilling contracts		22,500		(13,518	)		8,982		—		—			—
	$	48,000	$	(39,018	)	$	8,982	$	25,500	$	(22,768	)	$	2,732

Amortization expense on intangible assets of approximately $6.6 million and $911,000 was recorded in the three months ended September 30, 2017 and 2016, respectively, and amortization expense on intangible assets of approximately $16.3 million and $2.7 million was recorded in the nine months ended September 30, 2017 and 2016, respectively.

8. Accrued Expenses

Accrued expenses consisted of the following at September 30, 2017 and December 31, 2016 (in thousands):

	September 30,		December 31,
	2017		2016
Salaries, wages, payroll taxes and benefits	$	56,777	$	21,138
Workers' compensation liability		82,509		67,775
Property, sales, use and other taxes		29,382		6,766
Insurance, other than workers' compensation		10,881		9,566
Accrued interest payable		14,091		6,740
Accrued merger and integration		20,538		—
Other		31,648		27,163
Total	$	245,826	$	139,148

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9. Long Term Debt

2012 Credit Agreement — On September 27, 2012, the Company entered into a Credit Agreement (the “Base Credit Agreement”) with Wells Fargo Bank, N.A., as administrative agent, letter of credit issuer, swing line lender and lender, and each of the other lenders party thereto. The Base Credit Agreement (as amended, the “Credit Agreement”) is a committed senior unsecured credit facility that includes a revolving credit facility.

On July 8, 2016, the Company entered into Amendment No. 2 to Credit Agreement (“Amendment No. 2”), which amended the Base Credit Agreement to, among other things, make borrowing under the revolving credit facility subject to a borrowing base calculated by reference to the Company’s and certain of its subsidiaries’ eligible equipment, inventory, accounts receivable and unencumbered cash as described in Amendment No. 2.  The revolving credit facility contains a letter of credit facility that is limited to $50 million and a swing line facility that is limited to $20 million, in each case outstanding at any time. The maturity date under the Base Credit Agreement was September 27, 2017 for the revolving facility; however, Amendment No. 2 extended the maturity date of $357.9 million in revolving credit commitments of certain lenders to March 27, 2019.  On January 17, 2017, the Company entered into Amendment No. 3 to Credit Agreement, which amended the Credit Agreement by restating the definition of Consolidated EBITDA to provide for the add-back of transaction expenses related to the SSE merger.  On January 24, 2017, the Company entered into an agreement with certain lenders under its revolving credit facility to increase the aggregate commitments under its revolving credit facility to approximately $595.8 million, subject to the satisfaction of certain conditions.  The aggregate commitment increase became effective on April 20, 2017 upon the consummation of the SSE merger and the repayment and termination of the SSE credit facility. On April 20, 2017, the Company entered into Amendment No. 4 to Credit Agreement which permitted outstanding letters of credit under the SSE credit facility to be deemed to be incurred under the Company’s credit facility and increased the amount of the accordion feature of the Company’s revolving credit facility to permit aggregate commitments to be increased to an amount not to exceed $700 million (subject to satisfaction of certain conditions and the procurement of additional commitments from new or existing lenders). On April 20, 2017, the Company also entered into an additional commitment increase agreement with certain of its lenders pursuant to which total commitments available under the Company’s revolving credit facility (after giving effect to both commitment increases) increased to $632 million through September 2017 and to $490 million through March 2019. On October 27, 2017, the Company entered into an additional commitment increase agreement with certain of its lenders pursuant to which total commitments available under the Company’s revolving credit facility increased to $500 million through March 2019.

Loans under the Credit Agreement bear interest by reference, at the Company’s election, to the LIBOR rate or base rate, provided, that swing line loans bear interest by reference only to the base rate. Until September 27, 2017, the applicable margin on LIBOR rate loans varied from 2.75% to 3.25% and the applicable margin on base rate loans varied from 1.75% to 2.25%, in each case determined based upon the Company’s debt to capitalization ratio. Based on the Company’s debt to capitalization ratio at March 31, 2017, the applicable margin on LIBOR loans was 2.75% and the applicable margin on base rate loans was 1.75% as of July 1, 2017.  Beginning September 27, 2017, the applicable margin on LIBOR rate loans varies from 3.25% to 3.75% and the applicable margin on base rate loans varies from 2.25% to 2.75%, in each case determined based on the Company’s excess availability under the revolving credit facility.  As of September 30, 2017, the applicable margin on LIBOR rate loans was 3.25% and the applicable margin on base rate loans was 2.25%.  A letter of credit fee is payable by the Company equal to the applicable margin for LIBOR rate loans times the daily amount available to be drawn under outstanding letters of credit. The commitment fee rate payable to the lenders for the unused portion of the revolving credit facility is 0.50%.

Each domestic subsidiary of the Company unconditionally guarantees all existing and future indebtedness and liabilities of the other guarantors and the Company arising under the Credit Agreement, other than (a) Ambar Lone Star Fluid Services LLC, (b) domestic subsidiaries that directly or indirectly have no material assets other than equity interests in, or capitalization indebtedness owed by, foreign subsidiaries, and (c) any subsidiary having total assets of less than $1 million. Such guarantees also cover obligations of the Company and any subsidiary of the Company arising under any interest rate swap contract with any person while such person is a lender or an affiliate of a lender under the Credit Agreement.

The Credit Agreement requires compliance with two financial covenants. The Company must not permit its debt to capitalization ratio to exceed 40%. The Credit Agreement generally defines the debt to capitalization ratio as the ratio of (a) total borrowed money indebtedness to (b) the sum of such indebtedness plus consolidated net worth, with consolidated net worth determined as of the last day of the most recently ended fiscal quarter. The Company also must not permit its interest coverage ratio as of the last day of a fiscal quarter to be less than 3.00 to 1.00. The Credit Agreement generally defines the interest coverage ratio as the ratio of earnings before interest, taxes, depreciation and amortization (“EBITDA”) of the four prior fiscal quarters to interest charges for the same period. The Company was in compliance with these covenants at September 30, 2017.

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The Credit Agreement limits the Company’s ability to make investments in foreign subsidiaries or joint ventures such that, if the book value of all such investments since September 27, 2012 is above 20% of the total consolidated book value of the assets of the Company and its subsidiaries on a pro forma basis, the Company will not be able to make such investment.  The Credit Agreement also restricts the Company’s ability to pay dividends and make equity repurchases, subject to certain exceptions, including an exception allowing such restricted payments if, before and immediately after giving effect to such restricted payment, the Pro Forma Debt Service Coverage Ratio (as defined in the Credit Agreement) is at least 1.50 to 1.00.  In addition, the Credit Agreementrequires that, if the consolidated cash balance of the Company and its subsidiaries, subject to certain exclusions, is more than $100million at the end of the day on which a borrowing is made, the Company can only use the proceeds from such borrowing to fund acquisitions, capital expenditures and the repurchase of indebtedness, and if such proceeds are not used in such manner within three business days, the Company must repay such unused proceeds on the fourth business day following such borrowings.

The Credit Agreement also contains customary representations, warranties and affirmative and negative covenants.

Events of default under the Credit Agreement include failure to pay principal or interest when due, failure to comply with the financial and operational covenants, as well as a cross default event, loan document enforceability event, change of control event and bankruptcy and other insolvency events. If an event of default occurs and is continuing, then a majority of the lenders have the right, among others, to (i) terminate the commitments under the Credit Agreement, (ii) accelerate and require the Company to repay all the outstanding amounts owed under any loan document (provided that in limited circumstances with respect to insolvency and bankruptcy of the Company, such acceleration is automatic), and (iii) require the Company to cash collateralize any outstanding letters of credit.

As of September 30, 2017, the Company had $144 million outstanding under the revolving credit facility at a weighted average interest rate of 4.83%.  The Company had $4.6 million in letters of credit outstanding at September 30, 2017 and, as a result, had available borrowing capacity of $342 million at that date.

2015 Reimbursement Agreement — On March 16, 2015, the Company entered into a Reimbursement Agreement (the “Reimbursement Agreement”) with The Bank of Nova Scotia (“Scotiabank”), pursuant to which the Company may from time to time request that Scotiabank issue an unspecified amount of letters of credit.  As of September 30, 2017, the Company had $54.9 million in letters of credit outstanding under the Reimbursement Agreement.  

Under the terms of the Reimbursement Agreement, the Company will reimburse Scotiabank on demand for any amounts that Scotiabank has disbursed under any letters of credit.  Fees, charges and other reasonable expenses for the issuance of letters of credit are payable by the Company at the time of issuance at such rates and amounts as are in accordance with Scotiabank’s prevailing practice.  The Company is obligated to pay to Scotiabank interest on all amounts not paid by the Company on the date of demand or when otherwise due at the LIBOR rate plus 2.25% per annum, calculated daily and payable monthly, in arrears, on the basis of a calendar year for the actual number of days elapsed, with interest on overdue interest at the same rate as on the reimbursement amounts.

The Company has also agreed that if obligations under the Credit Agreement are secured by liens on any of its or any of its subsidiaries’ property, then the Company’s reimbursement obligations and (to the extent similar obligations would be secured under the Credit Agreement) other obligations under the Reimbursement Agreement and any letters of credit will be equally and ratably secured by all property subject to such liens securing the Credit Agreement.

Pursuant to a Continuing Guaranty dated as of March 16, 2015, the Company’s payment obligations under the Reimbursement Agreement are jointly and severally guaranteed as to payment and not as to collection by subsidiaries of the Company that from time to time guarantee payment under the Credit Agreement.

Senior Notes — On October 5, 2010, the Company completed the issuance and sale of $300 million in aggregate principal amount of its 4.97% Series A Senior Notes due October 5, 2020 (the “Series A Notes”) in a private placement. The Series A Notes bear interest at a rate of 4.97% per annum. The Company pays interest on the Series A Notes on April 5 and October 5 of each year. The Series A Notes will mature on October 5, 2020.

On June 14, 2012, the Company completed the issuance and sale of $300 million in aggregate principal amount of its 4.27% Series B Senior Notes due June 14, 2022 (the “Series B Notes”) in a private placement. The Series B Notes bear interest at a rate of 4.27% per annum. The Company pays interest on the Series B Notes on April 5 and October 5 of each year. The Series B Notes will mature on June 14, 2022.

The Series A Notes and Series B Notes are senior unsecured obligations of the Company which rank equally in right of payment with all other unsubordinated indebtedness of the Company. The Series A Notes and Series B Notes are guaranteed on a senior unsecured basis by each of the existing domestic subsidiaries of the Company other than subsidiaries that are not required to be guarantors under the Credit Agreement.

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The Series A Notes and Series B Notes are prepayable at the Company’s option, in whole or in part, provided that in the case of a partial prepayment, prepayment must be in an amount not less than 5% of the aggregate principal amount of the notes then outstanding, at any time and from time to time at 100% of the principal amount prepaid, plus accrued and unpaid interest to the prepayment date, plus a “make-whole” premium as specified in the note purchase agreements. The Company must offer to prepay the notes upon the occurrence of any change of control. In addition, the Company must offer to prepay the notes upon the occurrence of certain asset dispositions if the proceeds therefrom are not timely reinvested in productive assets. If any offer to prepay is accepted, the purchase price of each prepaid note is 100% of the principal amount thereof, plus accrued and unpaid interest thereon to the prepayment date.

The respective note purchase agreements require compliance with two financial covenants. The Company must not permit its debt to capitalization ratio to exceed 50% at any time. The note purchase agreements generally define the debt to capitalization ratio as the ratio of (a) total borrowed money indebtedness to (b) the sum of such indebtedness plus consolidated net worth, with consolidated net worth determined as of the last day of the most recently ended fiscal quarter. The Company also must not permit its interest coverage ratio as of the last day of a fiscal quarter to be less than 2.50 to 1.00. The note purchase agreements generally define the interest coverage ratio as the ratio of EBITDA for the four prior fiscal quarters to interest charges for the same period. The Company was in compliance with these covenants at September 30, 2017.

Events of default under the note purchase agreements include failure to pay principal or interest when due, failure to comply with the financial and operational covenants, a cross default event, a judgment in excess of a threshold event, the guaranty agreement ceasing to be enforceable, the occurrence of certain ERISA events, a change of control event and bankruptcy and other insolvency events. If an event of default under the note purchase agreements occurs and is continuing, then holders of a majority in principal amount of the respective notes have the right to declare all the notes then-outstanding to be immediately due and payable. In addition, if the Company defaults in payments on any note, then until such defaults are cured, the holder thereof may declare all the notes held by it pursuant to the note purchase agreement to be immediately due and payable.

Debt issuance costs are deferred and recognized as interest expense over the term of the underlying debt.  Interest expense related to the amortization of debt issuance costs was approximately $710,000 and $2.0 million for the three months ended September 30, 2017 and 2016, respectively, and $2.0 million and $3.5 million for the nine months ended September 30, 2017 and 2016, respectively.  Amortization of debt issuance costs for the three and nine months ended September 30, 2016 includes $1.4 million of costs related to the early termination of term loan agreements.

Presented below is a schedule of the principal repayment requirements of long-term debt as of September 30, 2017 (in thousands):

Year ending December 31,
2017	$	—
2018		—
2019		144,000
2020		300,000
2021		—
Thereafter		300,000
Total	$	744,000

10. Commitments and Contingencies

As of September 30, 2017, the Company maintained letters of credit in the aggregate amount of $59.5 million primarily for the benefit of various insurance companies as collateral for retrospective premiums and retained losses which could become payable under the terms of the underlying insurance contracts. These letters of credit expire annually at various times during the year and are typically renewed. As of September 30, 2017, no amounts had been drawn under the letters of credit.

As of September 30, 2017, the Company had commitments to purchase major equipment and make investments totaling approximately $191 million for its drilling, pressure pumping and oilfield rental tools businesses.

The Company’s pressure pumping business has entered into agreements to purchase minimum quantities of proppants and chemicals from certain vendors. These agreements expire in 2017, 2018, 2021 and 2041. As of September 30, 2017, the remaining obligation under these agreements was approximately $86.9 million, of which approximately $345,000 and $9.5 million relates to purchases required during the remainder of 2017 and 2018, respectively. In the event the required minimum quantities are not purchased during certain periods, the Company could be required to make a liquidated damages payment to the respective vendor for any shortfall.

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The Company is party to various legal proceedings arising in the normal course of its business.  The Company does not believe that the outcome of these proceedings, either individually or in the aggregate, will have a material adverse effecton its financial condition, results of operations or cash flows.

11. Stockholders’ Equity

Stock Offering – On January 27, 2017, the Company completed an offering of 18.2 million shares of its common stock and raised net proceeds of $472 million.  The Company used the net proceeds of the offering to repay SSE’s outstanding indebtedness of approximately $472 million.  

Cash Dividends — The Company paid cash dividends during the nine months ended September 30, 2017 and 2016 as follows:

2017:	Per Share		Total
			(in thousands)
Paid on March 22, 2017	$	0.02	$	3,326
Paid on June 22, 2017		0.02		4,269
Paid on September 21, 2017		0.02		4,271
Total cash dividends	$	0.06	$	11,866

2016:	Per Share		Total
			(in thousands)
Paid on March 24, 2016	$	0.10	$	14,712
Paid on June 23, 2016		0.02		2,953
Paid on September 22, 2016		0.02		2,953
Total cash dividends	$	0.14	$	20,618

On October 25, 2017, the Company’s Board of Directors approved a cash dividend on its common stock in the amount of $0.02 per share to be paid on December 21, 2017 to holders of record as of December 7, 2017. The amount and timing of all future dividend payments, if any, are subject to the discretion of the Board of Directors and will depend upon business conditions, results of operations, financial condition, terms of the Company’s debt agreements and other factors.

On September 6, 2013, the Company’s Board of Directors approved a stock buyback program that authorizes purchase of up to $200 million of the Company’s common stock in open market or privately negotiated transactions. As of September 30, 2017, the Company had remaining authorization to purchase approximately $187 million of the Company’s outstanding common stock under the stock buyback program. Shares purchased under a buyback program are accounted for as treasury stock.

During the nine months ended September 30, 2017, the Company withheld 369,862 shares with respect to employees’ tax withholding obligations upon vesting of restricted shares and 7,989 shares with respect to the exercise of a stock option.  These shares were acquired at fair market value pursuant to the terms of the 2014 Plan.

Treasury stock acquisitions during the nine months ended September 30, 2017 were as follows (dollars in thousands):

	Shares		Cost
Treasury shares at beginning of period		43,392,617	$	911,094
Purchases pursuant to stock buyback program		5,503		109
Acquisitions pursuant to long-term incentive plan		377,851		6,923
Treasury shares at end of period		43,775,971	$	918,126

On April 20, 2017, pursuant to the merger agreement, the Company acquired all of the issued and outstanding shares of common stock of SSE, in exchange for approximately 46.3 million shares of common stock of the Company.

On October 11, 2017, the Company acquired all of the issued and outstanding limited liability company interests of MS Directional for $75 million in cash and approximately 8.8 million shares of the Company’s common stock.

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12. Income Taxes

The Company’s effective income tax rate for the three months ended September 30, 2017 was 28.8%, compared with 37.0% for the three months ended September 30, 2016.  For the nine months ended September 30, 2017, the effective income tax rate was 36.1%, compared to 35.8% for the nine months ended September 30, 2016.  The effective income tax rate fluctuates from the U.S. statutory tax rate based on, among other factors, changes in pretax income in countries with varying statutory tax rates, impact of state and local taxes, and other differences related to the recognition of income and expense between U.S. GAAP and tax.  

Compared with the third quarter of 2016, the lower effective tax rate for the third quarter of 2017 was primarily related to the impact of share-based payment transactions and non-deductible transaction costs associated with the SSE merger, as well as true-up adjustments of U.S. taxes for tax return filings during the third quarter of 2017.  

13. Fair Values of Financial Instruments

The carrying values of cash and cash equivalents, trade receivables and accounts payable approximate fair value due to the short-term maturity of these items. These fair value estimates are considered Level 1 fair value estimates in the fair value hierarchy of fair value accounting.

The estimated fair value of the Company’s outstanding debt balances as of September 30, 2017 and December 31, 2016 is set forth below (in thousands):

	September 30, 2017				December 31, 2016
	Carrying		Fair		Carrying		Fair
	Value		Value		Value		Value
4.97% Series A Senior Notes	$	300,000	$	305,440	$	300,000	$	283,534
4.27% Series B Senior Notes		300,000		296,172		300,000		263,194
Total debt	$	600,000	$	601,612	$	600,000	$	546,728

The fair values of the Series A Notes and Series B Notes at September 30, 2017 and December 31, 2016 are based on discounted cash flows associated with the respective notes using current market rates of interest at those respective dates.  For the Series A Notes, the current market rates used in measuring this fair value were 4.32% at September 30, 2017 and 6.65% at December 31, 2016.  For the Series B Notes, the current market rates used in measuring this fair value were 4.58% at September 30, 2017 and 7.02% at December 31, 2016. These fair value estimates are based on observable market inputs and are considered Level 2 fair value estimates in the fair value hierarchy of fair value accounting.

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14. Recently Issued Accounting Standards

In May 2014, the Financial Accounting Standards Board (“FASB”) issued an accounting standards update to provide guidance on the recognition of revenue from customers.  Under this guidance, an entity will recognize revenue when it transfers promised goods or services to customers in an amount that reflects what it expects in exchange for the goods or services.  This guidance also requires more detailed disclosures to enable users of the financial statements to understand the nature, amount, timing and uncertainty, if any, of revenue and cash flows arising from contracts with customers.  The requirements in this update are effective during interim and annual periods beginning after December 15, 2017.  The Company has identified and reviewed revenue streams and is in the process of performing a detailed analysis of a subset of contracts representative of the revenue streams.  At this time, the Company expects to adopt this new revenue guidance utilizing the modified retrospective method of adoption in the first quarter of 2018.  The Company is currently evaluating the impact that the new revenue standard will have on its consolidated financial statements upon adoption.

In February 2016, the FASB issued an accounting standards update to provide guidance for the accounting for leasing transactions.  The standard requires the lessee to recognize a lease liability along with a right-of-use asset for all leases with a term longer than one year.  A lessee is permitted to make an accounting policy election by class of underlying asset to not recognize the lease liability and related right-of-use asset for leases with a term of one year or less.  The provisions of this standard also apply to situations where the Company is the lessor and will require the Company to separate lease components from non-lease components within a contract.  The requirements in this update are effective during interim and annual periods beginning after December 15, 2018. The Company previously disclosed its intention to adopt this standard at the same time as it adopts the new revenue standard discussed above; however, the Company now expects to adopt this new guidance in the first quarter of 2019.  The Company is currently evaluating the impact that this new guidance will have on its consolidated financial statements.

In November 2015, the FASB issued an accounting standards update to provide guidance for the presentation of deferred tax liabilities and assets.  Under this guidance, for a particular tax-paying component of an entity and within a particular tax jurisdiction, all deferred tax liabilities and assets, as well as any related valuation allowance, shall be offset and presented as a single noncurrent amount. This guidance became effective for the Company during the three months ended March 31, 2017. The adoption of this update was applied retrospectively, resulting in the reclassification of $36.4 million from current deferred tax assets as of December 31, 2016.  Of this amount, $4.1 million was reclassified to long-term deferred tax assets and $32.3 million was reclassified to long-term deferred tax liabilities.

In March 2016, the FASB issued an accounting standards update to provide guidance for the accounting for share-based payment transactions, including the related income tax consequences, classification of awards as either equity or liabilities, and classification on the statement of cash flows.  This guidance became effective for the Company during the three months ended March 31, 2017.  The Company believes this guidance has caused and will continue to cause volatility in its effective tax rates and diluted earnings per share due to the tax effects related to share-based payments being recorded in the statement of operations.  The volatility in future periods will depend on the Company’s stock price and the number of shares that vest in the case of restricted stock, restricted stock units and performance stock units, or the number of shares that are exercised in the case of stock options.  

In August 2016, the FASB issued an accounting standards update to clarify the presentation of cash receipts and payments in specific situations on the statement of cash flows.  The requirements in this update are effective during interim and annual periods in fiscal years beginning after December 15, 2017.  The adoption of this update is not expected to have a material impact on the Company’s consolidated financial statements.

In January 2017, the FASB issued an accounting standards update to eliminate Step 2 from the goodwill impairment test.  An entity will now perform its annual or interim goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount.  An entity should recognize an impairment charge for the amount by which the carrying amount exceeds the reporting unit’s fair value, but the loss recognized should not exceed the total amount of goodwill allocated to that reporting unit.  The requirements in this update are effective during interim and annual periods in fiscal years beginning after December 15, 2019.  Early adoption is permitted for interim or annual goodwill impairment tests performed on testing dates on or after January 1, 2017.  The Company adopted this update in 2017, which did not have a material impact on the Company’s consolidated financial statements.

In May 2017, the FASB issued an accounting standards update that provided clarity on which changes to the terms or conditions of share-based payment awards require an entity to apply modification accounting provisions.  The requirements in this update are effective during interim and annual periods in fiscal years beginning after December 15, 2017.  The adoption of this update is not expected to have a material impact on the Company’s consolidated financial statements.

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SPECIAL NOTE REGARDING FORWARD LOOKING STATEMENTS

This Quarterly Report on Form 10-Q (this “Report”) and other public filings and press releases by us contain “forward-looking statements” within the meaning of the Securities Act of 1933, as amended (the “Securities Act”), the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and the Private Securities Litigation Reform Act of 1995, as amended. These “forward-looking statements” involve risk and uncertainty. These forward-looking statements include, without limitation, statements relating to: liquidity; revenue and cost expectations and backlog; financing of operations; oil and natural gas prices; rig counts, source and sufficiency of funds required for building new equipment, upgrading existing equipment and additional acquisitions (if opportunities arise); impact of inflation; demand for our services; competition; equipment availability; government regulation; debt service obligations; and other matters. Our forward-looking statements can be identified by the fact that they do not relate strictly to historical or current facts and often use words such as “anticipate,” “believe,” “budgeted,” “continue,” “could,” “estimate,” “expect,” “intend,” “may,” “plan,” “predict”, “potential”, “project,” “pursue,” “should,” “strategy,” “target,” or “will,” or the negative thereof and other words and expressions of similar meaning. The forward-looking statements are based on certain assumptions and analyses we make in light of our experience and our perception of historical trends, current conditions, expected future developments and other factors we believe are appropriate in the circumstances.

On April 20, 2017, we completed our previously announced merger with Seventy Seven Energy Inc. (“SSE”), pursuant to which a subsidiary of ours was merged with and into SSE, with SSE continuing as the surviving entity and one of our wholly owned subsidiaries (the “SSE merger”).  On October 11, 2017, we completed our acquisition of Multi-Shot, LLC (“MS Directional”).  These forward-looking statements include, without limitation, our expectations with respect to:

• synergies, costs and other anticipated financial impacts of the SSE merger and the MS Directional acquisition;

•future financial and operating results of the combined company; and

•the combined company’s plans, objectives, expectations and intentions with respect to future operations and services.

Although we believe that the expectations reflected in such forward-looking statements are reasonable, we can give no assurance that such expectations will prove to have been correct. These forward-looking statements involve known and unknown risks, uncertainties and other factors that may cause our actual results, performance or achievements to be materially different from actual future results expressed or implied by the forward-looking statements.  These risks and uncertainties also include those set forth under “Risk Factors,” in Item 1A of Part II of this Report, as well, as among others, risks and uncertainties relating to:

• the diversion of management time on merger-related issues;

• the ultimate timing, outcome and results of integrating our operations with those of SSE and MS Directional;

• the effects of our business combination with SSE and MS Directional acquisition, including the combined company’s future financial condition, results of operations, strategy and plans;

• potential adverse reactions or changes to business relationships resulting from the SSE merger and MS Directional acquisition;

• expected benefits from the SSE merger and MS Directional acquisition and our ability to realize those benefits;

• the results of merger-related litigation, settlements and investigations;

• availability of capital and the ability to repay indebtedness when due;

• volatility in customer spending and in oil and natural gas prices that could adversely affect demand for our services and their associated effect on rates;

• loss of key customers;

• utilization, margins and planned capital expenditures;

• interest rate volatility;

• compliance with covenants under our debt agreements;

• excess availability of land drilling rigs and pressure pumping equipment, including as a result of reactivation or construction;

• equipment specialization and new technologies;

• operating hazards attendant to the oil and natural gas business;

• failure by customers to pay or satisfy their contractual obligations (particularly with respect to fixed-term contracts);

• difficulty in building and deploying new equipment;

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• expansion and development trends of the oil and natural gas industry;

• weather;

• shortages, delays in delivery, and interruptions in supply, of equipment and materials;

• the ability to retain management and field personnel;

• the ability to effectively identify and enter new markets;

• the ability to realize backlog;

• strength and financial resources of competitors;

• environmental risks and ability to satisfy future environmental costs;

• global economic conditions;

• adverse oil and natural gas industry conditions;

• adverse credit and equity market conditions;

• operating costs;

• competition and demand for our services;

• liabilities from operations for which we do not have and receive full indemnification or insurance;

• governmental regulation;

• ability to obtain insurance coverage on commercially reasonable terms;

• financial flexibility;

• legal proceedings; and

• other financial, operational and legal risks and uncertainties detailed from time to time in our filings with the U.S. Securities and Exchange Commission (the “SEC”).

We caution that the foregoing list of factors is not exhaustive.  Additional information concerning these and other risk factors is contained in our Annual Report on Form 10-K for the year ended December 31, 2016, our Quarterly Reports on Form 10-Q for the three months ended March 31, 2017 and June 30, 2017 and other SEC filings. You are cautioned not to place undue reliance on any of our forward-looking statements. The forward-looking statements speak only as of the date made and, other than as required by law, we undertake no obligation to update publicly or revise any of these forward-looking statements, whether as a result of new information, future events or otherwise.  In the event that we update any forward-looking statement, no inference should be made that we will make additional updates with respect to that statement, related matters or any other forward-looking statements.  All subsequent written and oral forward-looking statements concerning us or other matters and attributable to us or any person acting on our behalf are expressly qualified in their entirety by the cautionary statements above.

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ITEM 2.  Management’s Discussion and Analysis of Financial Condition and Results of Operations

Recent Developments — On October 11, 2017, we acquired all of the issued and outstanding limited liability company interests of Multi-Shot, LLC (“MS Directional”). The aggregate consideration paid by us to the sellers consisted of $75 million in cash and 8,798,391 shares of our common stock.  The purchase price is subject to customary post-closing adjustments relating to cash, net working capital and indebtedness of MS Directional as of the closing.  Based on the closing price of our common stock on the closing date of the transaction, the total fair value of the consideration transferred to effect the acquisition of MS Directional was approximately $262 million.  

MS Directional is a leading directional drilling services company in the United States, with operations in most major producing onshore oil and gas basins.  MS Directional provides a comprehensive suite of directional drilling services, including directional drilling, downhole performance motors, directional surveying, measurement while drilling, and wireline steering tools.  

On December 12, 2016, we entered into an Agreement and Plan of Merger (the “merger agreement”) with Seventy Seven Energy Inc. (“SSE”).  On April 20, 2017, pursuant to the merger agreement, a subsidiary of ours was merged with and into SSE, with SSE continuing as the surviving entity and one of our wholly owned subsidiaries (the “SSE merger”). Pursuant to the terms of the merger agreement, we acquired all of the issued and outstanding shares of common stock of SSE, in exchange for approximately 46.3 million shares of our common stock.  Concurrent with the closing of the merger, we repaid all of the outstanding debt of SSE totaling $472 million.  Based on the closing price of our common stock on April 20, 2017, the total fair value of the consideration transferred to effect the acquisition of SSE was approximately $1.5 billion.  On April 20, 2017, following the SSE merger, SSE was merged with and into our newly-formed subsidiary named Seventy Seven Energy LLC (“SSE LLC”), with SSE LLC continuing as the surviving entity and one of our wholly owned subsidiaries.

Through the SSE merger, we have acquired a fleet of 91 drilling rigs, 36 of which we consider to be APEX® class rigs. Additionally, through the SSE merger, we have acquired approximately 500,000 horsepower of modern, efficient fracturing equipment located in Oklahoma and Texas.  The oilfield rentals business acquired through the SSE merger has a modern, well-maintained fleet of premium oilfield rental tools, and provides specialized services for land-based oil and natural gas drilling, completion and workover activities.  Operational data in the discussion and analysis below includes the results of operations of the SSE business since April 20, 2017.

On January 27, 2017, we completed an offering of 18.2 million shares of our common stock and raised net proceeds of $472 million. We used the net proceeds of the offering to repay SSE’s outstanding indebtedness of approximately $472 million.

On January 24, 2017, we entered into an agreement with certain lenders under our revolving credit facility to increase the aggregate commitments under our revolving credit facility to approximately $595.8 million, subject to the satisfaction of certain conditions.  The aggregate commitment increase became effective on April 20, 2017 upon the consummation of the SSE merger and the repayment and termination of the SSE credit facility. On April 20, 2017, we entered into Amendment No. 4 to Credit Agreement which permitted outstanding letters of credit under the SSE credit facility to be deemed to be incurred under our credit facility and increased the amount of the accordion feature of our revolving credit facility to permit aggregate commitments to be increased to an amount not to exceed $700 million (subject to satisfaction of certain conditions and the procurement of additional commitments from new or existing lenders).  On April 20, 2017, we also entered into an additional commitment increase agreement with certain of our lenders pursuant to which total commitments available under our revolving credit facility (after giving effect to both commitment increases) increased to $632 million through September 2017 and to $490 million through March 2019.  On October 27, 2017, we entered into an additional commitment increase agreement with certain of our lenders pursuant to which total commitments available under our revolving credit facility increased to $500 million through March 2019.

The closing price of oil was as high as $107.95 per barrel in June 2014.  Prices began to fall in the third quarter of 2014 and reached a twelve-year low of $26.19 in February 2016.  Oil and natural gas prices have recovered substantially from the lows experienced in the first quarter of 2016.  During the fourth quarter of 2016, the Organization of Petroleum Exporting Countries (“OPEC”) and certain non-OPEC countries, including Russia, announced an agreement to cut oil production, resulting in an increase in oil prices.  Oil prices averaged $48.14 per barrel in the third quarter of 2017.  

Our rig count declined significantly during the industry downturn that began in late 2014, but had improved on a monthly basis from May 2016 to June 2017.  For the third quarter of 2017, our average rig count improved to 161 rigs, which was an increase from an average of 146 rigs in the second quarter of 2017, where the second quarter rig count did not include the full quarter contribution from the rigs acquired in the SSE merger.  Term contracts have supported our operating rig count during the last three years.  Based on contracts currently in place, we expect an average of 87 rigs operating under term contracts during the fourth quarter of 2017 and an average of 53 rigs operating under term contracts during the twelve months ending September 30, 2018.

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Activity levels in our pressure pumping business have also improved.  Looking forward, we expect to see further increases in activity across the industry, especially in the Permian Basin.  We reactivated two frac spreads during the third quarter, and we plan to reactivate one additional frac spread during the fourth quarter.With the addition of these three frac spreads, we expect to exit 2017 with 23 active frac spreads or approximately 1.25millionhydraulic fracturing horsepower active.

ManagementOverview— We are a Houston, Texas-based oilfield services company that primarily owns and operates in the United States one of the largest fleets of land-based drilling rigs and a large fleet of pressure pumping equipment.  Our contract drilling business operates in the continental United States and western Canada, and we are pursuing contract drilling opportunities outside of North America.  Our pressure pumping business operates primarily in Texas and the Mid-Continent and Appalachian regions.  In addition, we have other operations where we provide oilfield rental tools, and we also manufacture and sell pipe handling components and related technology to drilling contractors in North America and other select markets.  In addition, we own and invest, as a non-operating working interest owner, in oil and natural gas assets that are primarily located in Texas and New Mexico.  

On October 11, 2017, we acquired MS Directional, a leading directional drilling services company in the United States, with operations in most major producing onshore oil and gas basins.  MS Directional provides a comprehensive suite of directional drilling services, including directional drilling, downhole performance motors, directional surveying, measurement-while-drilling, and wireline steering tools.  We expect to report the financial results of this business as a separate segment beginning with the fourth quarter of 2017.

Contract Drilling

Contract drilling operations accounted for 44.0% of our consolidated third quarter 2017 revenues, and increased 143.9% over the comparable 2016 period.  We have addressed our customers’ needs for drilling horizontal wells in shale and other unconventional resource plays by expanding our areas of operation and improving the capabilities of our drilling fleet during the last several years.  As of September 30, 2017, our rig fleet included 198 APEX^® class rigs. We expect to add one new APEX^® rig to our fleet during the fourth quarter of 2017. Four of the previously announced seven APEX-XK^® upgrades have been delivered and the remaining three rigs are under contract.  We also have contracts to upgrade two additional rigs to APEX PK™ rigs, with a box-on-box substructure and integrated walking system for enhanced performance on multi-well pads, both of which are expected to be delivered in the first half of 2018.

We maintain a backlog of commitments for contract drilling revenues under term contracts, which we define as contracts with a fixed term of six months or more. Our contract drilling backlog as of September 30, 2017 was approximately $471 million. Approximately 17% of the total September 30, 2017 backlog is reasonably expected to remain at September 30, 2018.  We generally calculate our backlog by multiplying the dayrate under our term drilling contracts by the number of days remaining under the contract.  The calculation does not include any revenues related to other fees such as for mobilization, demobilization and customer reimbursables, nor does it include potential reductions in rates for unscheduled standby or during periods in which the rig is moving or incurring maintenance and repair time in excess of what is permitted under the drilling contract.  In addition, our term drilling contracts are generally subject to termination by the customer on short notice and provide for an early termination payment to us in the event the contract is terminated by the customer.  For contracts on which we have received an early termination notice, our backlog calculation includes the early termination rate, instead of the dayrate, for the period over which we expect to receive the lower rate.  

Pressure Pumping

Pressure pumping operations accounted for 52.9% of our consolidated third quarter 2017 revenues and increased 363.7% over the comparable 2016 period.  As of September 30, 2017, we had approximately 1.6 million hydraulic horsepower in our pressure pumping fleet (approximately 1.5 million of which was hydraulic fracturing horsepower). We have increased the horsepower of our pressure pumping fleet by more than thirteen-fold since the beginning of 2009. In recent years, the industry-wide addition of new pressure pumping equipment to the marketplace and lower oil and natural gas prices led to an excess supply of pressure pumping equipment in North America, provided, however, we believe that increased pressure pumping activity in recent months has led to a modest undersupply of pressure pumping equipment in the U.S. onshore market.

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Other Operations

Other operations revenue accounted for 3.1% of our consolidated third quarter 2017 revenues and increased 388.7% over the comparable 2016 period.

For the three and nine months ended September 30, 2017 and 2016, our operating revenues consisted of the following (in thousands):

	Three Months Ended September 30,								Nine Months Ended September 30,
	2017				2016				2017				2016
Contract drilling	$	301,614	44.0	%	$	123,684	60.0	%	$	730,453	46.5	%	$	407,578	60.9	%
Pressure pumping		362,441	52.9	%		78,165	37.9	%		793,659	50.6	%		248,428	37.2	%
Other operations		20,934	3.1	%		4,284	2.1	%		45,238	2.9	%		12,973	1.9	%
	$	684,989	100.0	%	$	206,133	100.0	%	$	1,569,350	100.0	%	$	668,979	100.0	%

Generally, the profitability of our business has been impacted most by two primary factors in our contract drilling segment: our average number of rigs operating and our average revenue per operating day.  During the third quarter of 2017, our average number of rigs operating was 161, compared to 61 in the third quarter of 2016. Our average revenue per operating day was $20,320 in the third quarter of 2017, compared to $21,870 in the third quarter of 2016.  The profitability of our pressure pumping segment has been impacted most by our number of fracturing jobs and our average revenue per fracturing job.  We completed 174 fracturing jobs during the third quarter of 2017, compared to 84 fracturing jobs during the third quarter of 2016.  Our average revenue per fracturing job was $2.044 million in the third quarter of 2017 and $906,420 in the third quarter of 2016.  Our margin from contract drilling improved by $65.5 million and our margin from pressure pumping improved by $71.2 million, compared to the third quarter of 2016.  These improvements in margin were partially offset by an increase in depreciation, depletion, amortization and impairment expenses of $33.2 million, an increase of selling, general and administrative expenses of $10.9 million and merger and integration expenses of $9.4 million.  Our consolidated net loss for the third quarter of 2017 was $33.8 million, compared to a consolidated net loss of $84.1 million for the third quarter of 2016.

Our revenues, profitability and cash flows are highly dependent upon prevailing prices for oil and natural gas. During periods of improved commodity prices, the capital spending budgets of oil and natural gas operators tend to expand, which generally results in increased demand for our services. Conversely, in periods when these commodity prices deteriorate, the demand for our services generally weakens, and we experience downward pressure on pricing for our services.  While we have seen recent stability, there continues to be uncertainty with respect to the global economic environment, and oil and natural gas prices and our average number of rigs operating remain significantly below levels in 2014.  

We are also highly impacted by operational risks, competition, the availability of excess equipment, labor issues, weather, the availability of product in our pressure pumping business, third party provider delays and various other factors that could materially adversely affect our business, financial condition, cash flows and results of operations. Please see “Risk Factors” included in Part II of this Report, in Part I of our Annual Report on Form 10-K for the fiscal year ended December 31, 2016, and in Part II of our Quarterly Reports on Form 10-Q for the three months ended March 31, 2017 and June 30, 2017.

Our liquidity as of September 30, 2017 included approximately $129 million in working capital, including $37.8 million of cash and cash equivalents, and $342 million available under our revolving credit facility.  As of September 30, 2017, we had debt of $144 million and $4.6 million of letters of credit outstanding under our revolving credit facility.  

On April 20, 2017, we entered into Amendment No. 4 to the Credit Agreement which permitted outstanding letters of credit under the SSE credit facility to be deemed to be incurred under our credit facility and increased the amount of the accordion feature of our revolving credit facility to permit aggregate commitments to be increased to an amount not to exceed $700 million (subject to satisfaction of certain conditions and the procurement of additional commitments from new or existing lenders).  On April 20, 2017, we also entered into an agreement with certain of our lenders pursuant to which total commitments available under our revolving credit facility are $490 million through March 2019. On October 27, 2017, we entered into a commitment increase agreement with certain of our lenders pursuant to which total commitments available under our revolving credit facility increased to $500 million through March 2019.

We believe our current liquidity, together with cash expected to be generated from operations, should provide us with sufficient ability to fund our current plans to maintain and make improvements to our existing equipment, service our debt, pay cash dividends and finance working capital requirements during a recovery.  If under current market conditions we desire to pursue opportunities for growth that require additional capital, there can be no assurance that such capital will be available on reasonable terms, if at all.

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Commitments and Contingencies — As of September30,2017, we maintained letters of credit in the aggregate amount of $59.5million primarily for the benefit of various insurance companies as collateral for retained losses which could become payable under the terms of the underlying insurance contracts. These letters of credit expire annually at various times during the year and are typically renewed. As of September30,2017, no amounts had been drawn under the letters of credit.

As of September 30, 2017, we had commitments to purchase major equipment and make investments totaling approximately $191 million for our drilling, pressure pumping and oilfield rental tools businesses.

Our pressure pumping business has entered into agreements to purchase minimum quantities of proppants and chemicals from certain vendors. These agreements expire in 2017, 2018, 2021 and 2041. As of September 30, 2017, the remaining obligation under these agreements was approximately $86.9 million, of which approximately $345,000 and $9.5 million relates to purchases required during the remainder of 2017 and 2018, respectively. In the event the required minimum quantities are not purchased during certain periods, we could be required to make a liquidated damages payment to the respective vendor for any shortfall.

Trading and Investing — We have not engaged in trading activities that include high-risk securities, such as derivatives and non-exchange traded contracts. We invest cash primarily in highly liquid, short-term investments such as overnight deposits and money market accounts.

Description of Business — We are a Houston, Texas-based oilfield services company that primarily owns and operates in the United States one of the largest fleets of land-based drilling rigs and a large fleet of pressure pumping equipment.  Our contract drilling business operates in the continental United States and western Canada, and we are pursuing contract drilling opportunities outside of North America.  Our pressure pumping business operates primarily in Texas and the Mid-Continent and Appalachian regions.  In addition, we have other operations where we provide oilfield rental tools, and we also manufacture and sell pipe handling components and related technology to drilling contractors in North America and other select markets.  In addition, we own and invest, as a non-operating working interest owner, in oil and natural gas assets that are primarily located in Texas and New Mexico.

The North American oil and natural gas services industry is cyclical and at times experiences downturns in demand.  During these periods, there have been substantially more drilling rigs and pressure pumping equipment available than necessary to meet demand.  As a result, drilling and pressure pumping contractors have had difficulty sustaining profit margins and, at times, have incurred losses during the downturn periods.  

Construction of new technology drilling rigs increased significantly in the years preceding the recent industry downturn. The addition of new technology drilling rigs to the market, combined with a reduction in the drilling of vertical wells, has resulted in excess capacity of older technology drilling rigs. Similarly, the substantial increase in unconventional resource plays led to higher demand for pressure pumping services, and there was a significant increase in the construction of new pressure pumping equipment across the industry. As a result of the decline in oil and natural gas prices and the construction of new equipment, there is an excess of drilling rigs and pressure pumping equipment available. In circumstances of excess capacity, providers of drilling and pressure pumping services have difficulty sustaining profit margins and may sustain losses during downturn periods. We cannot predict either the future level of demand for our contract drilling or pressure pumping services or future conditions in the oil and natural gas contract drilling or pressure pumping businesses.

Unconventional resource plays have substantially increased and some drilling rigs are not capable of drilling these wells efficiently. Accordingly, the utilization of some older technology drilling rigs has been hampered by their lack of capability to efficiently compete for this work. Four of the previously announced seven of APEX-XK^® upgrades have been delivered and the remaining three rigs are under contract.  Additionally, we also plan to upgrade two additional rigs to APEX PK™ with a box-on-box substructure and integrated walking system for enhanced performance on multi-well pads, both of which are under contract and are expected to be delivered in the first half of 2018.  Other ongoing factors which could continue to adversely affect utilization rates and pricing, even in an environment of high oil and natural gas prices and increased drilling activity, include:

• movement of drilling rigs from region to region,

• reactivation of drilling rigs,

• refurbishment and upgrades of existing drilling rigs, or 

• construction of new technology drilling rigs.

Critical Accounting Policies

In addition to established accounting policies, our condensed consolidated financial statements are impacted by certain estimates and assumptions made by management. No changes in our critical accounting policies have occurred since the filing of our Annual Report on Form 10-K for the fiscal year ended December 31, 2016.

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We evaluate the recoverability of our long-lived assets whenever events or changes in circumstances indicate that their carrying amounts may not be recoverable (a “triggering event”).  Based on recent commodity prices, our results of operations for the three month period ended September30,2017, and our expectations of results of operations in future periods, we concluded that no triggering event occurred during the three months ended September 30, 2017 with respect to our contract drilling segment,our pressure pumping segment or our other operations, except for oil and natural gas properties, which are discussed in the following paragraph.  Our expectations of results of operations in future periods were based on the assumption that activity levels in both segments and our other operations will remain relatively stable in response to relatively stable oil prices.

We review our proved oil and natural gas properties for impairment whenever a triggering event occurs, such as downward revisions in reserve estimates or decreases in expected future oil and natural gas prices.  Proved properties are grouped by field and undiscounted cash flow estimates are prepared based on our expectation of future pricing over the lives of the respective fields.  These cash flow estimates are reviewed by an independent petroleum engineer.  If the net book value of a field exceeds its undiscounted cash flow estimate, impairment expense is measured and recognized as the difference between net book value and fair value.  Impairment expense related to proved and unproved oil and natural gas properties totaled $1.3 million in the third quarter of 2017 and $3.5 million in the nine months ended September 30, 2017 and is included in depreciation, depletion, amortization and impairment in the condensed consolidated statements of operations.  

Liquidity and Capital Resources

Our liquidity as of September 30, 2017 included approximately $129 million in working capital, including $37.8 million of cash and cash equivalents, and $342 million available under our revolving credit facility.  As of October 30, 2017, under our revolving credit facility we had $240 million outstanding, had $4.6 million of letters of credit outstanding, and had borrowing capacity of $255 million.  

On April 20, 2017, we entered into Amendment No. 4 to Credit Agreement which permitted outstanding letters of credit under the SSE credit facility to be deemed to be incurred under our credit facility and increased the amount of the accordion feature of our revolving credit facility to permit aggregate commitments to be increased to an amount not to exceed $700 million (subject to satisfaction of certain conditions and the procurement of additional commitments from new or existing lenders).  On April 20, 2017, we also entered into an agreement with certain of our lenders pursuant to which total commitments available under our revolving credit facility were $490 million through March 2019.On October 27, 2017, we entered into an additional commitment increase agreement with certain of our lenders pursuant to which total commitments available under our revolving credit facility increased to $500 million through March 2019.

On January 27, 2017, we completed an offering of 18.2 million shares of our common stock and raised net proceeds of $472 million.  We used the net proceeds of the offering to repay of SSE’s outstanding indebtedness of approximately $472 million. 

On October 11, 2017, we acquired all of the issued and outstanding limited liability company interests of MS Directional for $75 million in cash and approximately 8.8 million shares of our common stock.

We believe our current liquidity, together with cash expected to be generated from operations, should provide us with sufficient ability to fund our current plans to maintain and make improvements to our existing equipment, service our debt, pay cash dividends and finance working capital requirements during a recovery.  If under current market conditions we desire to pursue opportunities for growth that require additional capital, there can be no assurance that such capital will be available on reasonable terms, if at all.

During the nine months ended September 30, 2017, our sources of cash flow included:

• $131 million from operating activities,

• $39.7 million in proceeds from the disposal of property and equipment,

• $144 million in net borrowings under our revolving credit facility, and

• $472 million from net proceeds from common stock issuance.

During the nine months ended September 30, 2017, we used $434 million for the acquisition of SSE, $11.9 million to pay dividends on our common stock, $6.8 million for treasury stock and $330 million:

• to make capital expenditures for the acquisition, betterment and refurbishment of drilling rigs and pressure pumping equipment,

• to acquire and procure equipment and facilities to support our drilling, pressure pumping, oilfield rental tools and manufacturing operations, and

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• to fund investments in oil and natural gas properties on a non-operating working interest basis.

We paid cash dividends during the nine months ended September 30, 2017 as follows:

	Per Share		Total
			(in thousands)
Paid on March 22, 2017	$	0.02	$	3,326
Paid on June 22, 2017		0.02		4,269
Paid on September 21, 2017		0.02		4,271
Total cash dividends	$	0.06	$	11,866

On October 25, 2017, our Board of Directors approved a cash dividend on our common stock in the amount of $0.02 per share to be paid on December 21, 2017 to holders of record as of December 7, 2017. The amount and timing of all future dividend payments, if any, are subject to the discretion of the Board of Directors and will depend upon business conditions, results of operations, financial condition, terms of our debt agreements and other factors.  

On September 6, 2013, our Board of Directors approved a stock buyback program that authorizes purchase of up to $200 million of our common stock in open market or privately negotiated transactions. As of September 30, 2017, we had remaining authorization to purchase approximately $187 million of our outstanding common stock under the 2013 stock buyback program. Shares purchased under a buyback program are accounted for as treasury stock.

Treasury stock acquisitions during the nine months ended September 30, 2017 were as follows (dollars in thousands):

	Shares		Cost
Treasury shares at beginning of period		43,392,617	$	911,094
Purchases pursuant to stock buyback program		5,503		109
Acquisitions pursuant to long-term incentive plan		377,851		6,923
Treasury shares at end of period		43,775,971	$	918,126

2012 Credit Agreement — On September 27, 2012, we entered into a Credit Agreement (the “BaseCredit Agreement”).  The Base Credit Agreement (as amended, the “Credit Agreement”) is a committed senior unsecured credit facility that includes a revolving credit facility.

On July 8, 2016, we entered into Amendment No. 2 to Credit Agreement (“Amendment No. 2”), which amended the Base Credit Agreement to, among other things, make borrowing under the revolving credit facility subject to a borrowing base calculated by reference to our and certain of our subsidiaries’ eligible equipment, inventory, accounts receivable and unencumbered cash as described in Amendment No. 2.  The revolving credit facility contains a letter of credit facility that is limited to $50 million and a swing line facility that is limited to $20 million, in each case outstanding at any time. The maturity date under the Base Credit Agreement was September 27, 2017 for the revolving facility; however, Amendment No. 2 extended the maturity date of $357.9 million in revolving credit commitments of certain lenders to March 27, 2019.  On January 17, 2017, we entered into Amendment No. 3 to Credit Agreement, which amended the Credit Agreement by restating the definition of Consolidated EBITDA to provide for the add-back of transaction expenses related to the SSE merger.  On January 24, 2017, we entered into an agreement with certain lenders under our revolving credit facility to increase the aggregate commitments under our revolving credit facility to approximately $595.8 million, subject to the satisfaction of certain conditions.  The aggregate commitment increase became effective on April 20, 2017 upon the consummation of the SSE merger and the repayment and termination of the SSE credit facility.  On April 20, 2017, we entered into Amendment No. 4 to Credit Agreement which permitted outstanding letters of credit under the SSE credit facility to be deemed to be incurred under our credit facility and increased the amount of the accordion feature of our revolving credit facility to permit aggregate commitments to be increased to an amount not to exceed $700 million (subject to satisfaction of certain conditions and the procurement of additional commitments from new or existing lenders).  On April 20, 2017, we also entered into an additional commitment increase agreement with certain of our lenders pursuant to which total commitments available under our revolving credit facility (after giving effect to both commitment increases) increased to $632 million through September 2017 and to $490 million through March 2019. On October 27, 2017, we entered into an additional commitment increase agreement with certain of our lenders pursuant to which total commitments available under our revolving credit facility increased to $500 million through March 2019.

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Loans under the Credit Agreement bear interest by reference, at our election, to the LIBOR rate or base rate, provided, that swing line loans bear interest by reference only to the base rate.  Until September27,2017, the applicable margin on LIBOR rate loans varied from 2.75% to 3.25% and the applicable margin on base rate loans varied from 1.75% to 2.25%, in each case determined based upon our debt to capitalization ratio.  Based on our debt to capitalization ratio at March31,2017, the applicable margin on LIBOR loans was 2.75% and the applicable margin on base rate loans was 1.75% as of July1,2017.  Beginning September 27, 2017, the applicable margin on LIBOR rate loans varies from 3.25% to 3.75% and the applicable margin on base rate loans varies from 2.25% to 2.75%, in each case determined based on our excess availability under the revolving credit facility.  As of September 30, 2017, the applicable margin on LIBOR rate loans was 3.25% and the applicable margin on base rate loans was 2.25%.  A letter of credit fee is payable by us equal to the applicable margin for LIBOR rate loans times the daily amount available to be drawn under outstanding letters of credit.  The commitment fee rate payable to the lenders for the unused portion of the revolving credit facility is 0.50%.

Each of our domestic subsidiaries unconditionally guarantees all existing and future indebtedness and liabilities of the other guarantors and us arising under the Credit Agreement, other than (a) Ambar Lone Star Fluid Services LLC, (b) domestic subsidiaries that directly or indirectly have no material assets other than equity interests in, or capitalization indebtedness owed by, foreign subsidiaries, and (c) any subsidiary having total assets of less than $1 million.  Such guarantees also cover our obligations and those of any of our subsidiaries arising under any interest rate swap contract with any person while such person is a lender or an affiliate of a lender under the Credit Agreement.

The Credit Agreement requires compliance with two financial covenants.  We must not permit our debt to capitalization ratio to exceed 40%.  The Credit Agreement generally defines the debt to capitalization ratio as the ratio of (a) total borrowed money indebtedness to (b) the sum of such indebtedness plus consolidated net worth, with consolidated net worth determined as of the last day of the most recently ended fiscal quarter.  We also must not permit our interest coverage ratio as of the last day of a fiscal quarter to be less than 3.00 to 1.00.  The Credit Agreement generally defines the interest coverage ratio as the ratio of earnings before interest, taxes, depreciation and amortization (“EBITDA”) of the four prior fiscal quarters to interest charges for the same period.  We were in compliance with these covenants at September 30, 2017.

The Credit Agreement limits our ability to make investments in foreign subsidiaries or joint ventures such that, if the book value of all such investments since September 27, 2012 is above 20% of our total consolidated book value of the assets on a pro forma basis, we will not be able to make such investment.  The Credit Agreement also restricts our ability to pay dividends and make equity repurchases, subject to certain exceptions, including an exception allowing such restricted payments if before and immediately after giving effect to such restricted payment, the Pro Forma Debt Service Coverage Ratio (as defined in the Credit Agreement) is at least 1.50 to 1.00.  In addition, the Credit Agreement requires that, if our consolidated cash balance, subject to certain exclusions, is more than $100 million at the end of the day on which a borrowing is made, we can only use the proceeds from such borrowing to fund acquisitions, capital expenditures and the repurchase of indebtedness, and if such proceeds are not used in such manner within three business days, we must repay such unused proceeds on the fourth business day following such borrowings.

The Credit Agreement also contains customary representations, warranties and affirmative and negative covenants.  We do not expect that the restrictions and covenants will impair, in any material respect, our ability to operate or react to opportunities that might arise.

Events of default under the Credit Agreement include failure to pay principal or interest when due, failure to comply with the financial and operational covenants, as well as a cross default event, loan document enforceability event, change of control event and bankruptcy and other insolvency events.  If an event of default occurs and is continuing, then a majority of the lenders have the right, among others, to (i) terminate the commitments under the Credit Agreement, (ii) accelerate and require us to repay all the outstanding amounts owed under any loan document (provided that in limited circumstances with respect to insolvency and bankruptcy, such acceleration is automatic), and (iii) require us to cash collateralize any outstanding letters of credit.

As of September 30, 2017, we had $144 million outstanding under our revolving credit facility at a weighted average interest rate of 4.83%.  We had $4.6 million in letters of credit outstanding at September 30, 2017 and, as a result, had available borrowing capacity of $342 million at that date.  As of October 30, 2017, under our revolving credit facility we had $240 million outstanding, had $4.6 million of letters of credit outstanding, and had borrowing capacity of $255 million.

2015 Reimbursement Agreement — On March 16, 2015, we entered into a Reimbursement Agreement (the “Reimbursement Agreement”) with The Bank of Nova Scotia (“Scotiabank”), pursuant to which we may from time to time request that Scotiabank issue an unspecified amount of letters of credit.  As of September 30, 2017, we had $54.9 million in letters of credit outstanding under the Reimbursement Agreement.

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Under the terms of the Reimbursement Agreement, we will reimburse Scotiabank on demand for any amounts that Scotiabank has disbursed under any letters of credit.  Fees, charges and other reasonable expenses for the issuance of letters of credit are payable by us at the time of issuance at such rates and amounts as are in accordance with Scotiabank’s prevailing practice.  We are obligated to pay to Scotiabank interest on all amounts not paid on the date of demand or when otherwise due at the LIBOR rate plus 2.25% per annum, calculated daily and payable monthly, in arrears, on the basis of a calendar year for the actual number of days elapsed, with interest on overdue interest at the same rate as on the reimbursement amounts.

We have also agreed that if obligations under the Credit Agreement are secured by liens on any of our subsidiaries’ property, then our reimbursement obligations and (to the extent similar obligations would be secured under the Credit Agreement) other obligations under the Reimbursement Agreement and any letters of credit will be equally and ratably secured by all property subject to such liens securing the Credit Agreement.

Pursuant to a Continuing Guaranty dated as of March 16, 2015 (the “Continuing Guaranty”), our payment obligations under the Reimbursement Agreement are jointly and severally guaranteed as to payment and not as to collection by our subsidiaries that from time to time guarantee payment under the Credit Agreement.

Senior Notes —On October 5, 2010, we completed the issuance and sale of $300 million in aggregate principal amount of our 4.97% Series A Senior Notes due October 5, 2020 (the “Series A Notes”) in a private placement. The Series A Notes bear interest at a rate of 4.97% per annum. We pay interest on the Series A Notes on April 5 and October 5 of each year. The Series A Notes will mature on October 5, 2020.

On June 14, 2012, we completed the issuance and sale of $300 million in aggregate principal amount of our 4.27% Series B Senior Notes due June 14, 2022 (the “Series B Notes”) in a private placement. The Series B Notes bear interest at a rate of 4.27% per annum. We pay interest on the Series B Notes on April 5 and October 5 of each year. The Series B Notes will mature on June 14, 2022.

The Series A Notes and Series B Notes are senior unsecured obligations which rank equally in right of payment with all of our other unsubordinated indebtedness. The Series A Notes and Series B Notes are guaranteed on a senior unsecured basis by each of our domestic subsidiaries other than subsidiaries that are not required to be guarantors under the Credit Agreement.

The Series A Notes and Series B Notes are prepayable at our option, in whole or in part, provided that in the case of a partial prepayment, prepayment must be in an amount not less than 5% of the aggregate principal amount of the notes then outstanding, at any time and from time to time at 100% of the principal amount prepaid, plus accrued and unpaid interest to the prepayment date, plus a “make-whole” premium as specified in the note purchase agreements. We must offer to prepay the notes upon the occurrence of any change of control. In addition, we must offer to prepay the notes upon the occurrence of certain asset dispositions if the proceeds therefrom are not timely reinvested in productive assets. If any offer to prepay is accepted, the purchase price of each prepaid note is 100% of the principal amount thereof, plus accrued and unpaid interest thereon to the prepayment date.

The respective note purchase agreements require compliance with two financial covenants. We must not permit our debt to capitalization ratio to exceed 50% at any time. The note purchase agreements generally define the debt to capitalization ratio as the ratio of (a) total borrowed money indebtedness to (b) the sum of such indebtedness plus consolidated net worth, with consolidated net worth determined as of the last day of the most recently ended fiscal quarter. We also must not permit our interest coverage ratio as of the last day of a fiscal quarter to be less than 2.50 to 1.00. The note purchase agreements generally define the interest coverage ratio as the ratio of EBITDA for the four prior fiscal quarters to interest charges for the same period. We were in compliance with these financial covenants as of September 30, 2017. We do not expect that the restrictions and covenants will impair, in any material respect, our ability to operate or react to opportunities that might arise.

Events of default under the note purchase agreements include failure to pay principal or interest when due, failure to comply with the financial and operational covenants, a cross default event, a judgment in excess of a threshold event, the guaranty agreement ceasing to be enforceable, the occurrence of certain ERISA events, a change of control event and bankruptcy and other insolvency events. If an event of default under the note purchase agreements occurs and is continuing, then holders of a majority in principal amount of the respective notes have the right to declare all the notes then-outstanding to be immediately due and payable. In addition, if we default in payments on any note, then until such defaults are cured, the holder thereof may declare all the notes held by it pursuant to the note purchase agreement to be immediately due and payable.

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Results of Operations

We changed our reporting segment presentation in the fourth quarter of 2016, as we no longer consider our oil and natural gas exploration and production activities to be significant to an understanding of our results.  We now present the oil and natural gas exploration and production activities, oilfield rental tool business, pipe handling components and related technology business and Middle East/North Africa activities as “Other” and “Corporate” reflects only corporate activities.  This change in segment presentation was applied retrospectively to all periods presented herein.

The following tables summarize operations by business segment for the three months ended September 30, 2017 and 2016:

Contract Drilling	2017			2016			% Change
	(dollars in thousands)
Revenues	$	301,614		$	123,684			143.9	%
Direct operating costs		186,957			74,517			150.9	%
Margin (1)		114,657			49,167			133.2	%
Selling, general and administrative		1,451			1,301			11.5	%
Depreciation, amortization and impairment		133,603			115,652			15.5	%
Operating loss	$	(20,397	)	$	(67,786	)		(69.9	)%
Operating days		14,841			5,655			162.4	%
Average revenue per operating day	$	20.32		$	21.87			(7.1	)%
Average direct operating costs per operating day	$	12.60		$	13.18			(4.4	)%
Average margin per operating day (1)	$	7.73		$	8.69			(11.0	)%
Average rigs operating		161			61			163.9	%
Capital expenditures	$	106,879		$	17,551			509.0	%

(1) Margin is defined as revenues less direct operating costs and excludes depreciation, amortization and impairment and selling, general and administrative expenses. Average margin per operating day is defined as margin divided by operating days.

Revenues and direct operating costs increased due to an increase in operating days.  Operating days increased in the quarter primarily due to the recovery in the oil and natural gas industry and rigs acquired in the SSE merger.  Depreciation, amortization and impairment increased primarily due to the additional SSE assets.  Average revenue per operating day decreased during the three months ended September 30, 2017, as compared to the three months ended September 30, 2016, due to the expiration of higher priced, legacy long-term rig contracts.  Capital expenditures increased over the comparable 2016 quarter due to new rig purchases, upgrading rigs to super spec capability, higher maintenance capital expenditures and other general property and equipment upgrades.  

Pressure Pumping	2017			2016			% Change
	(dollars in thousands)
Revenues	$	362,441		$	78,165			363.7	%
Direct operating costs		290,315			77,221			276.0	%
Margin (1)		72,126			944		NA
Selling, general and administrative		4,011			2,926			37.1	%
Depreciation, amortization and impairment		51,274			44,587			15.0	%
Operating income (loss)	$	16,841		$	(46,569	)		(136.2	)%
Fracturing jobs		174			84			107.1	%
Other jobs		342			226			51.3	%
Total jobs		516			310			66.5	%
Average revenue per fracturing job	$	2,043.61		$	906.42			125.5	%
Average revenue per other job	$	20.04		$	8.96			123.7	%
Average revenue per total job	$	702.41		$	252.15			178.6	%
Average direct operating costs per total job	$	562.63		$	249.10			125.9	%
Average margin per total job (1)	$	139.78		$	3.05		NA
Margin as a percentage of revenues (1)		19.9	%		1.2	%	NA
Capital expenditures	$	27,230		$	8,330			226.9	%

(1) Margin is defined as revenues less direct operating costs and excludes depreciation, amortization and impairment and selling, general and administrative expenses. Average margin per total job is defined as margin divided by total jobs. Margin as a percentage of revenues is defined as margin divided by revenues.

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Revenues and direct operating costs during the three months ended September 30, 2017increased primarily due to an increase in the number and size of fracturing jobs due to therecovery in the oil and natural gas industry and the inclusion of pressure pumping operations acquired from SSE, as compared to the quarter ended September 30, 2016.Average revenue per job increased due to improved pricing and an increase in the size of the jobs.  Margin as a percentage of revenues improved due to improvements in pricing and economies of scale as activity levels increased.  The increase in capital expenditures was primarily due to investments to reactivate frac spreads and higher maintenance capital expenditures as a result of higher activity.

Other Operations	2017			2016		% Change
	(in thousands)
Revenues	$	20,934		$	4,284		388.7	%
Direct operating costs		14,616			1,846		691.8	%
Margin (1)		6,318			2,438		159.1	%
Selling, general and administrative		3,300			354		832.2	%
Depreciation, depletion and impairment		9,534			1,856		413.7	%
Operating income (loss)	$	(6,516	)	$	228	NA
Capital expenditures	$	8,647		$	2,401		260.1	%

(1) Margin is defined as revenues less direct operating costs and excludes depreciation, depletion and impairment and selling, general and administrative expenses.

Revenues, direct operating costs, selling, general and administrative expense and depreciation expense from other operations increased primarily as a result of the inclusion of our oilfield rental tool business acquired in the SSE merger on April 20, 2017 and our pipe handling components and related technology business acquired in September 2016.  Depreciation, depletion and impairment expense in 2017 includes approximately $1.3 million of oil and natural gas property impairments compared to $205,000 of oil and natural gas property impairments in 2016.  The increase in capital expenditures was primarily due to investments in the oilfield rental tool business.

Corporate	2017			2016			% Change
	(in thousands)
Selling, general and administrative	$	18,789		$	12,031			56.2	%
Operating expense	$	1,266		$	—		NA
Merger and integration expenses	$	9,449		$	—		NA
Depreciation	$	2,231		$	1,369			63.0	%
Other operating income:
Net gain on asset disposals	$	(3,712	)	$	(2,541	)		46.1	%
Legal settlements, net of insurance reimbursements		(79	)		(1,577	)		(95.0	)%
Other operating income	$	(3,791	)	$	(4,118	)		(7.9	)%
Interest income	$	101		$	63			60.3	%
Interest expense	$	9,584		$	10,244			(6.4	)%
Other income	$	78		$	19			310.5	%
Capital expenditures	$	305		$	395			(22.8	)%

Selling, general and administrative expense increased in the three months ended September 30, 2017 due to the expanded corporate functions as a result of the SSE acquisition.  Merger and integration expenses incurred in 2017 are related to the SSE merger. Depreciation expense increased in the third quarter of 2017 compared to the same period in 2016 due to the additional corporate assets acquired in the SSE merger.  Other operating income includes net gains associated with the disposal of assets.  Accordingly, the related gains or losses have been excluded from the results of specific segments. Interest expense decreased primarily due to lower debt outstanding between the two periods.  

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The following tables summarize operations by business segment for the nine months ended September 30, 2017 and 2016:

Contract Drilling	2017			2016			% Change
	(dollars in thousands)
Revenues	$	730,453		$	407,578			79.2	%
Direct operating costs		475,836			219,218			117.1	%
Margin (1)		254,617			188,360			35.2	%
Selling, general and administrative		4,506			4,538			(0.7	)%
Depreciation, amortization and impairment		405,576			357,153			13.6	%
Operating loss	$	(155,465	)	$	(173,331	)		(10.3	)%
Operating days		35,651			17,308			106.0	%
Average revenue per operating day	$	20.49		$	23.55			(13.0	)%
Average direct operating costs per operating day	$	13.35		$	12.67			5.4	%
Average margin per operating day (1)	$	7.14		$	10.88			(34.4	)%
Average rigs operating		131			63			107.9	%
Capital expenditures	$	222,426		$	46,001			383.5	%

(1) Margin is defined as revenues less direct operating costs and excludes depreciation, amortization and impairment and selling, general and administrative expenses. Average margin per operating day is defined as margin divided by operating days.

Revenues and direct operating costs increased primarily due to an increase in operating days.  Operating days increased due to a recovery in the oil and natural gas industry and the rigs acquired in the SSE merger.  Depreciation, amortization and impairment increased due to the additional SSE assets and due to a $29.0 million impairment from the write-down of drilling equipment with no continuing utility as a result of the upgrade of certain rigs to super-spec capability.  Average revenue per operating day decreased during the nine months ended September 30, 2017 due to a reduction in early termination revenue and the expiration of higher priced, legacy long-term rig contracts.  Early termination revenue for the nine months ended September 30, 2017 was $4.0 million, compared to $23.3 million for the same period in 2016.  Average direct operating costs per operating day increased as a result of a reduction in the proportion of rigs on standby and an increase in rig reactivation expenses.  Capital expenditures increased due to new rig purchases, upgrading rigs to super spec capability, higher maintenance capital expenditures and other general property and equipment upgrades.  

Pressure Pumping	2017			2016			% Change
	(dollars in thousands)
Revenues	$	793,659		$	248,428			219.5	%
Direct operating costs		643,228			234,580			174.2	%
Margin (1)		150,431			13,848			986.3	%
Selling, general and administrative		10,516			8,844			18.9	%
Depreciation, amortization and impairment		141,329			141,557			(0.2	)%
Operating loss	$	(1,414	)	$	(136,553	)		(99.0	)%
Fracturing jobs		442			241			83.4	%
Other jobs		962			556			73.0	%
Total jobs		1,404			797			76.2	%
Average revenue per fracturing job	$	1,759.53		$	1,005.81			74.9	%
Average revenue per other job	$	16.57		$	10.84			52.9	%
Average revenue per total job	$	565.28		$	311.70			81.4	%
Average direct operating costs per total job	$	458.14		$	294.33			55.7	%
Average margin per total job (1)	$	107.14		$	17.38			516.5	%
Margin as a percentage of revenues (1)		19.0	%		5.6	%		239.3	%
Capital expenditures and acquisitions	$	85,423		$	27,662			208.8	%

(1) Margin is defined as revenues less direct operating costs and excludes depreciation, amortization and impairment and selling, general and administrative expenses. Average margin per total job is defined as margin divided by total jobs. Margin as a percentage of revenues is defined as margin divided by revenues.

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Revenues and direct operating costs during the nine months ended September 30, 2017increased primarily due to an increase in the number and size of fracturing jobs.  The total number of jobs increased as a result of the SSE merger and arecovery in the oil and natural gas industry.Margin, average margin per total job and margin as a percentage of revenues increased due to improvements in pricing and economies of scale as activity levels increased.  Average revenue per job increased due to improved pricing and an increase in the size of the jobs.  Average direct operating costs per total job increased due to the increase in the size of the jobs.  The increase in capital expenditures was primarily due to investments to reactivate frac spreads and higher maintenance capital expenditures as a result of higher activity.

Other Operations	2017			2016			% Change
	(in thousands)
Revenues	$	45,238		$	12,973			248.7	%
Direct operating costs		30,546			5,586			446.8	%
Margin (1)		14,692			7,387			98.9	%
Selling, general and administrative		7,896			1,257			528.2	%
Depreciation, depletion and impairment		19,826			8,393			136.2	%
Operating loss	$	(13,030	)	$	(2,263	)		475.8	%
Capital expenditures	$	21,016		$	5,621			273.9	%

(1) Margin is defined as revenues less direct operating costs and excludes depreciation, depletion and impairment and selling, general and administrative expenses.

Revenues, direct operating costs, selling, general and administrative expense and depreciation expense from other operations increased primarily as a result of the inclusion of our oilfield rental tool business acquired in the SSE merger on April 20, 2017 and our pipe handling components and related technology business acquired in September 2016.  The increase in capital expenditures was primarily due to investments in the oilfield rental tool business and in oil and natural gas working interests.

Corporate	2017			2016			% Change
	(in thousands)
Selling, general and administrative	$	46,963		$	37,032			26.8	%
Operating expense	$	1,266		$	—		NA
Merger and integration expenses	$	65,798		$	—		NA
Depreciation	$	5,456		$	4,106			32.9	%
Other operating income:
Net gain on asset disposals	$	(19,079	)	$	(9,808	)		94.5	%
Legal settlements, net of insurance reimbursements		578			(477	)	NA
Other operating income	$	(18,501	)	$	(10,285	)		79.9	%
Interest income	$	1,149		$	273			320.9	%
Interest expense	$	26,929		$	31,722			(15.1	)%
Other income	$	226		$	52			334.6	%

Selling, general and administration expense increased in the nine months ended September 30, 2017 due to the expanded corporate functions as a result of the SSE acquisition.  The merger and integration expenses incurred in 2017 are related to the SSE merger.  Other operating income includes net gains associated with the disposal of assets.  Accordingly, the related gains or losses have been excluded from the results of specific segments. The 2017 period includes a gain of $11.2 million related to the sale of real estate.  Interest income increased due to our investment of the proceeds from our stock offering in the first quarter of 2017 prior to utilizing those proceeds to complete the SSE merger.  Interest expense decreased primarily due to lower debt outstanding between the two periods.  

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Adjusted EBITDA

Adjusted EBITDA is a supplemental financial measure not defined by United States generally accepted accounting principles, or U.S. GAAP.  We define Adjusted EBITDA as net income (loss) plus net interest expense, income tax expense (benefit) and depreciation, depletion, amortization and impairment expense (including impairment of goodwill).  We present Adjusted EBITDA because we believe it provides to both management and investors additional information with respect to the performance of our fundamental business activities and our ability to meet our capital expenditures and working capital requirements.  Adjusted EBITDA should not be construed as an alternative to the U.S. GAAP measure of net income (loss).  Set forth below is a reconciliation of the non-U.S. GAAP financial measure of Adjusted EBITDA to the U.S. GAAP financial measure of net income (loss).

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2017			2016			2017			2016
	(in thousands)
Net loss	$	(33,769	)	$	(84,143	)	$	(189,492	)	$	(240,512	)
Income tax benefit		(13,652	)		(49,428	)		(106,953	)		(133,885	)
Net interest expense		9,483			10,181			25,780			31,449
Depreciation, depletion, amortization and impairment		196,642			163,464			572,187			511,209
Adjusted EBITDA	$	158,704		$	40,074		$	301,522		$	168,261

Income Taxes

Our effective income tax rate for the three months ended September 30, 2017 was 28.8%, compared with 37.0% for the three months ended September 30, 2016.  For the nine months ended September 30, 2017, the effective income tax rate was 36.1%, compared to 35.8% for the nine months ended September 30, 2016.  The effective income tax rate fluctuates from the U.S. statutory tax rate based on, among other factors, changes in pretax income in countries with varying statutory tax rates, impact of state and local taxes, and other differences related to the recognition of income and expense between U.S. GAAP and tax.  

Compared with the third quarter of 2016, the lower effective tax rate for the third quarter of 2017 was primarily related to the impact of share-based payment transactions and non-deductible transaction costs associated with the SSE merger, as well as true-up adjustments of U.S. taxes for tax return filings during the third quarter of 2017.  

Recently Issued Accounting Standards

Please see Note 14 to our unaudited condensed consolidated financial statements for a discussion of recently issued accounting standards.

Volatility of Oil and Natural Gas Prices and its Impact on Operations and Financial Condition

Our revenue, profitability and cash flows are highly dependent upon prevailing prices for oil and natural gas and expectations about future prices.  For many years, oil and natural gas prices and markets have been extremely volatile.  Prices are affected by many factors beyond our control.  The closing price of oil was as high as $107.95 per barrel in June 2014.  Prices began to fall in the third quarter of 2014 and reached a twelve-year low of $26.19 in February 2016.  Oil and natural gas prices have recovered substantially from the lows experienced in the first quarter of 2016.  During the fourth quarter of 2016, the Organization of Petroleum Exporting Countries (“OPEC”) and certain non-OPEC countries, including Russia, announced an agreement to cut oil production, resulting in an increase in oil prices.  Oil prices averaged $48.14 per barrel in the third quarter of 2017.  

We expect oil and natural gas prices to continue to be volatile and to affect our financial condition, operations and ability to access sources of capital.  Higher oil and natural gas prices do not necessarily result in increased activity because demand for our services is generally driven by our customers’ expectations of future oil and natural gas prices.  A decline in demand for oil and natural gas, prolonged low oil or natural gas prices or expectations of decreases in oil and natural gas prices, would likely result in reduced capital expenditures by our customers and decreased demand for our services, which could have a material adverse effect on our operating results, financial condition and cash flows.  Even during periods of high prices for oil and natural gas, companies exploring for oil and natural gas may cancel or curtail programs, or reduce their levels of capital expenditures for exploration and production for a variety of reasons, which could reduce demand for our services.  

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ITEM 3.  Quantitative and Qualitative Disclosures About Market Risk

As of September 30, 2017, we had exposure to interest rate market risk associated with any borrowings that we had under the Credit Agreement and the Reimbursement Agreement.

Loans under the Credit Agreement bear interest by reference, at our election, to the LIBOR rate or base rate, provided, that swing line loans bear interest by reference only to the base rate.  Until September 27, 2017, the applicable margin on LIBOR rate loans varied from 2.75% to 3.25% and the applicable margin on base rate loans varies from 1.75% to 2.25%, in each case determined based upon our debt to capitalization ratio.  Beginning September 27, 2017, the applicable margin on LIBOR rate loans varies from 3.25% to 3.75% and the applicable margin on base rate loans varies from 2.25% to 2.75%, in each case determined based on our excess availability under the revolving credit facility. As of September 30, 2017, the applicable margin on LIBOR rate loans was 3.25% and the applicable margin on base rate loans was 2.25%.

As of September 30, 2017, we had $144 million outstanding under our revolving credit facility at a weighted average interest rate of 4.83%.  The interest rate on the borrowings outstanding under our revolving credit facility is variable and adjusts at each interest payment date based on our election of LIBOR or the base rate.

Under the Reimbursement Agreement, we will reimburse Scotiabank on demand for any amounts that Scotiabank has disbursed under any letters of credit.  We are obligated to pay to Scotiabank interest on all amounts not paid by us on the date of demand or when otherwise due at the LIBOR rate plus 2.25% per annum.  As of September 30, 2017, no amounts had been disbursed under any letters of credit.

We conduct a portion of our business in Canadian dollars. The exchange rate between Canadian dollars and U.S. dollars has fluctuated during the last several years. If the value of the Canadian dollar against the U.S. dollar weakens, revenues and earnings of our Canadian operations will be reduced and the value of our Canadian net assets will decline when they are translated to U.S. dollars. This currency risk is not material to our results of operations or financial condition.

The carrying values of cash and cash equivalents, trade receivables and accounts payable approximate fair value due to the short-term maturity of these items.

ITEM 4. Controls and Procedures

Disclosure Controls and Procedures — We maintain disclosure controls and procedures (as such terms are defined in Rules 13a-15(e) and 15d-15(e) promulgated under the Exchange Act), designed to ensure that the information required to be disclosed in the reports that we file with the SEC under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms, and that such information is accumulated and communicated to our management, including our Chief Executive Officer (“CEO”) and Chief Financial Officer (“CFO”), as appropriate, to allow timely decisions regarding required disclosure.

Under the supervision and with the participation of our management, including our CEO and CFO, we conducted an evaluation of the effectiveness of our disclosure controls and procedures as of the end of the period covered by this Quarterly Report on Form 10‑Q. Based on that evaluation, our CEO and CFO concluded that our disclosure controls and procedures were effective as of September 30, 2017.

Changes in Internal Control Over Financial Reporting —There were no changes in our internal control over financial reporting during our most recently completed fiscal quarter that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting, as defined in Rule 13a-15(f) under the Exchange Act.

We completed the acquisition of SSE on April 20, 2017 and MS Directional on October 11, 2017, and we are integrating each of SSE and MS Directional into our internal control framework.  This integration may lead to changes in our controls in future periods, but management does not expect these changes to materially affect our internal control over financial reporting.

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PART II — OTHER INFORMATION

ITEM 1. Legal Proceedings

We are party to various legal proceedings arising in the normal course of our business; we do not believe that the outcome of these proceedings, either individually or in the aggregate, will have a material adverse effect on our financial condition, results of operations or cash flows.

ITEM 1A. Risk Factors

The Loss of Large Customers Could Have a Material Adverse Effect on Our Financial Condition and Results of Operations.

With respect to our consolidated operating revenues in 2016, we received approximately 51% from our ten largest customers, 33% from our five largest customers and 14% from our largest customer.  For the three months ended March 31, 2017, the five months ended December 31, 2016, the seven months ended July 31, 2016, and the years ended December 31, 2015, 2014 and 2013, Chesapeake Energy Corporation (“CHK”) and its working interest partners accounted for approximately 53%, 51%, 65%, 70%, 81% and 90% of SSE’s revenues, respectively.  For the three and nine months ended September 30, 2017, CHK and its working interest partners accounted for approximately 7% and 14% of the pro forma combined revenues of SSE and Patterson-UTI, respectively.  We are indirectly subject to the business and financial risks of our customers and could be materially adversely affected by the impact of these risks on our largest customers.  The loss of, reduction in business from, or failure to receive payment from, one or more of our largest customers could have a material adverse effect on our business, financial condition, cash flows and results of operations.

ITEM 2. Unregistered Sales of Equity Securities and Use of Proceeds

The table below sets forth the information with respect to purchases of our common stock made by us during the quarter ended September 30, 2017.

							Approximate Dollar
					Total Number of		Value of Shares
					Shares (or Units)		That May Yet Be
					Purchased as Part		Purchased Under the
	Total		Average Price		of Publicly		Plans or
	Number of Shares		Paid per		Announced Plans		Programs (in
Period Covered	Purchased (2)		Share		or Programs		thousands)(1)
July 2017		13,162	$	20.00		—		186,544
August 2017		156,675	$	15.60		—		186,544
September 2017		20,314	$	18.45		—		186,544
Total		190,151				—		186,544

(1) On September 9, 2013, we announced that our Board of Directors approved a stock buyback program authorizing purchases of up to $200 million of our common stock in open market or privately negotiated transactions.

(2) We withheld 13,162 shares in July 2017, 156,675 shares in August 2017 and 20,314 shares in September 2017 with respect to employees’ tax withholding obligations upon vesting of restricted shares.  These shares were acquired at fair market value pursuant to the terms of the Patterson-UTI Energy, Inc. 2014 Long-Term Incentive Plan and not pursuant to the stock buyback program.

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ITEM 6. Exhibits

The following exhibits are filed herewith or incorporated by reference, as indicated:

3.1	Restated Certificate of Incorporation, as amended (filed August 9, 2004 as Exhibit 3.1 to the Company’s Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2004 and incorporated herein by reference).
3.2	Amendment to Restated Certificate of Incorporation, as amended (filed August 9, 2004 as Exhibit 3.2 to the Company’s Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2004 and incorporated herein by reference).
3.3	Second Amended and Restated Bylaws (filed August 6, 2007 as Exhibit 3.3 to the Company’s Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2007 and incorporated herein by reference).
10.1	Securities Purchase Agreement, date September 4, 2017, between Patterson-UTI Energy, Inc., certain holders of limited liability company interests of Multi-Shot, LLC, and MS Incentive Plan Holdco, LLC (filed September 8, 2017 as Exhibit 10.1 to the Company’s Current Report on Form 8-K and incorporated herein by reference).
10.2	Employment Agreement, dated as of September 3, 2017, between Patterson-UTI Energy, Inc. and C. Andrew Smith (filed September 8, 2017 as Exhibit 10.2 to the Company’s Current Report on Form 8-K and incorporated herein by reference).
10.3*	Commitment Increase Agreement dated as of October 27, 2017, by and among Patterson-UTI Energy, Inc., certain subsidiaries of Patterson-UTI Energy, Inc. party thereto, and Wells Fargo Bank, N.A., as administrative agent, issuer of letters of credit and swing line lender.
31.1*	Certification of Chief Executive Officer pursuant to Rule 13a-14(a)/15d-14(a) of the Securities Exchange Act of 1934, as amended.
31.2*	Certification of Chief Financial Officer pursuant to Rule 13a-14(a)/15d-14(a) of the Securities Exchange Act of 1934, as amended.
32.1*	Certification of Chief Executive Officer and Chief Financial Officer pursuant to 18 USC Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101*	The following materials from Patterson-UTI Energy, Inc.’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2017, formatted in XBRL (Extensible Business Reporting Language): (i) the Condensed Consolidated Balance Sheets, (ii) the Condensed Consolidated Statements of Operations, (iii) the Condensed Consolidated Statements of Comprehensive Income (Loss), (iv) the Condensed Consolidated Statement of Changes in Stockholders’ Equity, (v) the Condensed Consolidated Statements of Cash Flows, and (vi) Notes to Condensed Consolidated Financial Statements.

* filed herewith

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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

PATTERSON-UTI ENERGY, INC.
By:	/s/ C. Andrew Smith
	C. Andrew Smith
	Executive Vice President and
	Chief Financial Officer
	(Principal Financial and Accounting Officer and Duly Authorized Officer)

Date: November 2, 2017

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EX-10.3

Exhibit 10.3

COMMITMENT INCREASE AGREEMENT

This COMMITMENT INCREASE AGREEMENT (“Agreement”) dated as of October 27, 2017 (“Effective Date”), is by and among Patterson-UTI Energy, Inc., a Delaware corporation (“Borrower”), the subsidiaries of the Borrower party hereto (together with the Borrower, the “Loan Parties”), the undersigned Lender party hereto (the “Increasing Lender”), and Wells Fargo Bank, N.A., as administrative agent (in such capacity, the “Administrative Agent”) for the Lenders, as the issuer of letters of credit under the Credit Agreement referred to below (in such capacity, an “L/C Issuer”), and as  the swing line lender under the Credit Agreement referred to below (in such capacity, the “Swing Line Lender”).

RECITALS

A.Reference is hereby made to that certain Credit Agreement dated as of September 27, 2012 among the Borrower, the Administrative Agent, each L/C Issuer, the Swing Line Lender and the financial institutions party thereto from time to time, as lenders (the “Lenders”), as amended, supplemented or otherwise modified by that certain Amendment No. 1 to Credit Agreement dated as of January 9, 2015, Amendment No. 2 to Credit Agreement dated as of July 8, 2016, Amendment No. 3 to Credit Agreement dated as of January 17, 2017, Amendment No. 4 to Credit Agreement dated as of April 20, 2017, the Commitment Increase Agreement dated as of January 24, 2017, and the Commitment Increase Agreement dated as of April 20, 2017, each among the Borrower, subsidiaries of the Borrower party thereto, the Administrative Agent, each L/C Issuer, the Swing Line Lender and the financial institutions party thereto (as so amended, the “Credit Agreement”).

B.The Borrower has requested that a certain Lender increase its Revolving Credit Commitment pursuant to Section 2.14 of the Credit Agreement, subject to the terms and conditions set forth herein.

NowTherefore, in consideration of the premises and the mutual covenants, representations and warranties contained herein, and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto agree as follows:

Section 1.Defined Terms; Interpretation and Provisions.  As used in this Agreement, each of the terms defined in the opening paragraph and the Recitals above shall have the meanings assigned to such terms therein.  Each term defined in the Credit Agreement, as amended hereby, and used herein without definition shall have the meaning assigned to such term in the Credit Agreement, as amended hereby, unless expressly provided to the contrary. Article, Section, Schedule, and Exhibit references are to Articles and Sections of and Schedules and Exhibits to this Agreement, unless otherwise specified.  The words “hereof”, “herein”, and “hereunder” and words of similar import when used in this Agreement shall refer to this Agreement as a whole and not to any particular provision of this Agreement.  The term “including” means “including, without limitation”.  Paragraph headings have been inserted in this Agreement as a matter of convenience for reference only and it is agreed that such paragraph headings are not a part of this Agreement and shall not be used in the interpretation of any provision of this Agreement.

Section 2.Increase in Revolving Credit Commitments.  

(a)Pursuant to Section 2.14 of the Credit Agreement, the Increasing Lender hereby agrees and acknowledges that its Revolving Credit Commitment shall, automatically and without any further action, upon satisfaction of the conditions precedent set forth in Section 2(b), be increased on the Commitment Increase Date (as defined below), and on the Commitment Increase Date, after giving effect to this Section 2(a), its Revolving Credit Commitment shall be the amount set forth next to its name under the caption “Revolving Credit Commitment” on Schedule 2.01 attached hereto. Additionally, on the

Commitment Increase Date, after giving effect to this Section 2(a), Schedule2.01 of the Credit Agreement (Commitments and Applicable Percentages) shall be replaced in its entirety with Schedule 2.01 attached hereto.  

(b)The increase to the Revolving Credit Commitment of the Increasing Lender pursuant to Section 2(a) shall become effective and enforceable against the parties hereto upon the occurrence of the following conditions precedent (the date such conditions are satisfied, “Commitment Increase Date”):

(1)the receipt by the Administrative Agent of a certificate of each Loan Party dated as of the Commitment Increase Date signed by a Responsible Officer of such Loan Party (i) certifying and attaching the resolutions adopted by such Loan Party approving or consenting to this Agreement and the increase in the Revolving Credit Facility pursuant to Section 2(a) above, and (ii) in the case of the Borrower, certifying that, before and after giving effect to such increase, (A) the representations and warranties contained in Article V of the Credit Agreement and the other Loan Documents are true and correct on and as of the Commitment Increase Date, except to the extent that such representations and warranties specifically refer to an earlier date, in which case they are true and correct as of such earlier date, and except that for purposes of Section 2.14 of the Credit Agreement, the representations and warranties contained in subsections (a) and (b) of Section 5.05 of the Credit Agreement shall be deemed to refer to the most recent statements furnished pursuant to clauses (a) and (b), respectively, of Section 6.01 of the Credit Agreement, and (B) no Default exists;

(2)the receipt by the Administrative Agent of an opinion of counsel to the Borrower as to the corporate (or partnership or limited liability company) authorization of the Borrower and the Guarantors of the increase in the Revolving Credit Facility, which such opinion as to corporate authorization will be substantively in the form delivered on the Closing Date and otherwise in form and substance reasonably acceptable to the Administrative Agent; and

(3)evidence satisfactory to the Administrative Agent of the payment in full by the Borrower of the upfront fees required to be paid under Section 5(b) below.

Section 3.Loan Parties’ Representations and Warranties.  The Borrower acknowledges, represents, warrants and agrees as to itself and all other Loan Parties, and each other Loan Party acknowledges, represents, warrants and agrees as to itself, that: (a) after giving effect to this Agreement, the representations and warranties contained in the Credit Agreement, as amended hereby, and the representations and warranties contained in the other Loan Documents are true and correct in all material respects on and as of the Effective Date and on the date hereof as if made on as and as of such date except to the extent that any such representation or warranty expressly relates solely to an earlier date, in which case such representation or warranty is true and correct in all material respects as of such earlier date; (b) the execution, delivery and performance of this Agreement are within the limited liability company or corporate power and authority of such Loan Party and have been duly authorized by appropriate limited liability company and corporate action and proceedings; (c) this Agreement constitutes the legal, valid, and binding obligation of such Loan Party enforceable in accordance with its terms, except as limited by applicable bankruptcy, insolvency, reorganization, moratorium, or similar laws affecting the rights of creditors generally and general principles of equity, and no portion of the Obligations are subject to avoidance, subordination, recharacterization, recovery, attack, offset, counterclaim, or defense of any kind; (d) there are no governmental or other third party consents, licenses and approvals required to be made or obtained by it in connection with its execution, delivery, performance, validity and enforceability of this Agreement; (e) no Defaults or Events of Default shall have occurred and be continuing; and (f) since the date of the financial statements most recently delivered pursuant to Section 6.01(a) of the Credit Agreement, there has

2

been no event or circumstance, either individually or in the aggregate, that has had or could reasonably be expected to have a Material Adverse Effect.

Section 4.Conditions to Effectiveness.  This Agreement shall become effective on the Effective Date and enforceable against the parties hereto upon the occurrence of the following conditions precedent:

(a)the receipt by the Administrative Agent of multiple original counterparts of this Agreement executed and delivered by duly authorized officers of the Borrower, the Guarantors, the Administrative Agent, and the Increasing Lender; and

(b)evidence satisfactory to the Administrative Agent of the payment in full by the Borrower of all the fees and expenses required to be paid as of or on the Effective Date by Section 10.04 of the Credit Agreement or any other provision of a Loan Document to the extent invoiced prior to the Effective Date.

Section 5.Acknowledgments and Agreements.  

(a)Each Loan Party acknowledges that on the date hereof all outstanding Obligations are payable in accordance with their terms and each Loan Party waives any defense, offset, counterclaim or recoupment with respect thereto.  TheAdministrative Agent, each L/C Issuer, the Swing Line Lender and the Increasing Lender hereby expressly reserve all of their rights, remedies, and claims under the Loan Documents.  Nothing in this Agreement shall constitute a waiver or relinquishment of (i) any Default or Event of Default under any of the Loan Documents, (ii) any of the agreements, terms or conditions contained in any of the Loan Documents, (iii) any rights or remedies of the Administrative Agent, each L/C Issuer, or any Lender with respect to the Loan Documents, or (iv) the rights of the Administrative Agent, each L/C Issuer, the Swing Line Lender or any Lender to collect the full amounts owing to them under the Loan Documents.

(b)In consideration of the agreement of the Increasing Lender, the Borrower agrees to pay to the Administrative Agent, for the account of the Increasing Lender, upfront fees in an amount equal to 0.125% of the positive difference between (a) the Increasing Lender’s Revolving Credit Commitment immediately after giving effect to Section 2(a) and the increase in Revolving Credit Commitments contemplated therein and (b) the Increasing Lender’s Revolving Credit Commitment after giving effect the increase in Revolving Credit Commitments contemplated therein and immediately prior to giving effect to Section 2(a) and the increase in Revolving Credit Commitments contemplated therein; provided, that such upfront fees shall only be due and payable on the Commitment Increase Date.

(c)The Borrower, each Guarantor, Administrative Agent, each L/C Issuer, Swing Line Lender and the Increasing Lender does hereby adopt, ratify, and confirm the Credit Agreement, as amended hereby, and acknowledges and agrees that the Credit Agreement, as amended hereby, is and remains in full force and effect, and the Borrower and the Guarantors acknowledge and agree that their respective liabilities and obligations under the Credit Agreement, as amended hereby, and the Guaranty, are not impaired in any respect by this Agreement.

(d)From and after the Effective Date, all references to the Credit Agreement and the Loan Documents shall mean the Credit Agreement and such Loan Documents as amended by this Agreement.

(e)This Agreement is a Loan Document for the purposes of the provisions of the other Loan Documents.  

3

Section 6.Reaffirmation of the Guaranty.  Each Guarantor party hereto hereby ratifies, confirms, acknowledges and agrees that its obligations under the Guaranty are in full force and effect and that such Guarantor continues to unconditionally and irrevocably guarantee the full and punctual payment, when due, whether at stated maturity or earlier by acceleration or otherwise, all of the Guaranteed Obligations (as defined in the Guaranty), and its execution and delivery of this Agreement does not indicate or establish an approval or consent requirement by such Guarantor under the Guaranty, in connection with the execution and delivery of amendments, consents or waivers to the Credit Agreement or any of the other Loan Documents.

Section 7.Counterparts.  This Agreement may be signed in any number of counterparts, each of which shall be an original and all of which, taken together, constitute a single instrument.  This Agreement may be executed by facsimile signature or other electronic imaging means, and all such signatures shall be effective as originals.

Section 8.Successors and Assigns.  This Agreement shall be binding upon and inure to the benefit of the parties hereto and their respective successors and assigns permitted pursuant to the Credit Agreement.

Section 9.Severability.  In case one or more provisions of this Agreement or the other Loan Documents shall be invalid, illegal or unenforceable in any respect under any applicable Legal Requirement, the validity, legality, and enforceability of the remaining provisions contained herein or therein shall not be affected or impaired thereby.

Section 10.Governing Law.  This Agreement shall be governed by, and construed and enforced in accordance with, the laws of the State of New York; provided that, the Administrative Agent, each L/C Issuer, the Swing Line Lender and each Lender shall retain all rights arising under applicable federal law.

Section 11.ENTIRE AGREEMENT.  THIS WRITTEN AGREEMENT AND THE OTHER LOAN DOCUMENTS REPRESENT THE FINAL AGREEMENT AMONG THE PARTIES AND MAY NOT BE CONTRADICTED BY EVIDENCE OF PRIOR, CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENTS OF THE PARTIES.  

THERE ARE NO UNWRITTEN ORAL AGREEMENTS AMONG THE PARTIES.

[Signature pages follow.]

4

IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be executed by their respective officers thereunto duly authorized effective as of the Effective Date.

BORROWER:

PATTERSON-UTI ENERGY, INC.

By: /s/ C. Andrew Smith

Name:  C. Andrew Smith

Title:   Executive Vice President and Chief Financial Officer

GUARANTORS:

PATTERSON PETROLEUM LLC

PATTERSON-UTI DRILLING COMPANY LLC

PATTERSON-UTI MANAGEMENT SERVICES, LLC

UNIVERSAL PRESSURE PUMPING, INC.

DRILLING TECHNOLOGIES 1 LLC

DRILLING TECHNOLOGIES 2 LLC

WARRIOR RIG TECHNOLOGIES US LLC

SEVENTY SEVEN ENERGY LLC

SEVENTY SEVEN OPERATING LLC

GREAT PLAINS OILFIELD RENTAL, L.L.C.

PTL PROP SOLUTIONS, L.L.C.

SEVENTY SEVEN LAND COMPANY LLC

MULTI-SHOT, LLC

Each by:/s/ C. Andrew Smith

Name:  C. Andrew Smith

Title:   Executive Vice President and Chief Financial Officer

Signature page to Commitment Increase Agreement

(Patterson-UTI Energy, Inc.)

ADMINISTRATIVE AGENT/LENDER/L/C ISSUER/SWING LINE LENDER/LENDERS:

WELLS FARGO BANK, N.A.,
as the Administrative Agent, an L/C Issuer, the Swing Line Lender, and the Increasing Lender


By:/s/ Shannon Cunningham

Name:  Shannon Cunningham

Title:   Director

Signature page to Commitment Increase Agreement

(Patterson-UTI Energy, Inc.)

SCHEDULE 2.01

COMMITMENTS

AND APPLICABLE PERCENTAGES

Lender	Revolving Credit Commitment	Initial Applicable Percentage (Revolving Credit Facility)
Wells Fargo Bank, National Association	$109,791,666.66	21.958333332%
Bank of America, N.A.	$75,000,000.00	15.000000000%
The Bank of Nova Scotia	$65,000,000.00	13.000000000%
The Bank of Tokyo-Mitsubishi UFJ, Ltd.	$64,583,333.33	12.916666666%
U.S. Bank National Association	$50,000,000.00	10.000000000%
Comerica Bank	$36,041,666.67	7.208333334%
BOKF, NA dba Bank of Texas	$35,000,000.00	7.000000000%
HSBC Bank USA, N.A.	$29,166,666.67	5.833333334%
ZB, N.A. dba Amegy Bank	$22,916,666.67	4.583333334%
UMB Bank, N.A.	$12,500,000.00	2.500000000%
Total	$500,000,000.00	100.000000000%

Schedule 2.01

EX-31.1

EXHIBIT 31.1

CERTIFICATIONS

I, William Andrew Hendricks, Jr., certify that:

1. I have reviewed this quarterly report on Form 10-Q of Patterson-UTI Energy, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

/s/ William Andrew Hendricks, Jr.

William Andrew Hendricks, Jr.

President and Chief Executive Officer

Date: November 2, 2017

EX-31.2

EXHIBIT 31.2

CERTIFICATIONS

I, C. Andrew Smith, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Patterson-UTI Energy, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

/s/ C. Andrew Smith

C. Andrew Smith

Executive Vice President and

Chief Financial Officer

Date: November 2, 2017

EX-32.1

EXHIBIT 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

NOT FILED PURSUANT TO THE SECURITIES EXCHANGE ACT OF 1934

In connection with the quarterly report of Patterson-UTI Energy, Inc. (the “Company”) on Form 10-Q for the period ended September 30, 2017, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), William Andrew Hendricks, Jr., Chief Executive Officer, and C. Andrew Smith, Chief Financial Officer, of the Company, each certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to his knowledge:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission upon request. The foregoing is being furnished solely pursuant to said Section 906 and Rule 13a-14(b) promulgated under the Securities Exchange Act of 1934, as amended, and is not being filed as part of the Report or as a separate disclosure document.

/s/ William Andrew Hendricks, Jr.

William Andrew Hendricks, Jr.

Chief Executive Officer

November 2, 2017

/s/ C. Andrew Smith

C. Andrew Smith

Chief Financial Officer

November 2, 2017

XML

Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2017	Oct. 30, 2017
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q3
Trading Symbol	PTEN
Entity Registrant Name	PATTERSON UTI ENERGY INC
Entity Central Index Key	0000889900
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		222,444,317

XML

CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 37,839	$ 35,152
Accounts receivable, net of allowance for doubtful accounts of $3,116 and $3,191 at September 30, 2017 and December 31, 2016, respectively	544,509	148,091
Federal and state income taxes receivable	630	2,126
Inventory	40,672	20,191
Other	54,647	41,322
Total current assets	678,297	246,882
Property and equipment, net	4,198,285	3,408,963
Goodwill and intangible assets	533,682	88,966
Deposits on equipment purchases	15,027	16,050
Deferred tax assets, net	2,562	4,124
Other	45,122	7,306
Total assets	5,472,975	3,772,291
Current liabilities:
Accounts payable	303,522	125,667
Accrued expenses	245,826	139,148
Total current liabilities	549,348	264,815
Borrowings under revolving credit facility	144,000
Long-term debt, net of debt issuance cost of $1,303 and $1,563 at September 30, 2017 and December 31, 2016, respectively	598,697	598,437
Deferred tax liabilities, net	576,312	650,661
Other	11,416	9,654
Total liabilities	1,879,773	1,523,567
Commitments and contingencies (see Note 10)
Stockholders' equity:
Preferred stock, par value $.01; authorized 1,000,000 shares, no shares issued
Common stock, par value $.01; authorized 300,000,000 shares with 257,428,497 and 191,525,872 issued and 213,652,526 and 148,133,255 outstanding at September 30, 2017 and December 31, 2016, respectively	2,574	1,915
Additional paid-in capital	2,588,327	1,042,696
Retained earnings	1,914,966	2,116,341
Accumulated other comprehensive income (loss)	5,461	(1,134)
Treasury stock, at cost, 43,775,971 and 43,392,617 shares at September 30, 2017 and December 31, 2016, respectively	(918,126)	(911,094)
Total stockholders' equity	3,593,202	2,248,724
Total liabilities and stockholders' equity	$ 5,472,975	$ 3,772,291

XML

CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Statement Of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 3,116	$ 3,191
Long-term debt, debt issuance cost	$ 1,303	$ 1,563
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, authorized	300,000,000	300,000,000
Common stock, issued	257,428,497	191,525,872
Common stock, outstanding	213,652,526	148,133,255
Treasury stock, shares	43,775,971	43,392,617

XML

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Operating revenues:
Other		$ 20,934	$ 4,284	$ 45,238	$ 12,973
Total operating revenues		684,989	206,133	1,569,350	668,979
Operating costs and expenses:
Contract drilling		186,957	74,517	475,836	219,218
Pressure pumping		290,315	77,221	643,228	234,580
Other		15,882	1,846	31,812	5,586
Depreciation, depletion, amortization and impairment		196,642	163,464	572,187	511,209
Selling, general and administrative		27,551	16,612	69,881	51,671
Merger and integration expenses		9,449		65,798
Other operating income, net	[1]	(3,791)	(4,118)	(18,501)	(10,285)
Total operating costs and expenses		723,005	329,542	1,840,241	1,011,979
Operating loss		(38,016)	(123,409)	(270,891)	(343,000)
Other income (expense):
Interest income		101	63	1,149	273
Interest expense, net of amount capitalized		(9,584)	(10,244)	(26,929)	(31,722)
Other		78	19	226	52
Total other expense		(9,405)	(10,162)	(25,554)	(31,397)
Loss before income taxes		(47,421)	(133,571)	(296,445)	(374,397)
Income tax benefit		(13,652)	(49,428)	(106,953)	(133,885)
Net loss		$ (33,769)	$ (84,143)	$ (189,492)	$ (240,512)
Net loss per common share:
Basic		$ (0.16)	$ (0.58)	$ (0.99)	$ (1.65)
Diluted		$ (0.16)	$ (0.58)	$ (0.99)	$ (1.65)
Weighted average number of common shares outstanding:
Basic		211,875	146,326	191,237	146,014
Diluted		211,875	146,326	191,237	146,014
Cash dividends per common share		$ 0.02	$ 0.02	$ 0.06	$ 0.14
Contract Drilling
Operating revenues:
Oil and gas services		$ 301,614	$ 123,684	$ 730,453	$ 407,578
Pressure Pumping
Operating revenues:
Oil and gas services		$ 362,441	$ 78,165	$ 793,659	$ 248,428

[1] Other operating income includes net gains associated with the disposal of assets related to corporate strategy decisions of the executive management group. Accordingly, the related gains have been excluded from the operating results of specific segments. This caption also includes expenses related to certain legal settlements net of insurance reimbursements.

XML

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Statement Of Income And Comprehensive Income [Abstract]
Net loss	$ (33,769)	$ (84,143)	$ (189,492)	$ (240,512)
Other comprehensive income (loss), net of taxes of $0 for all periods:
Foreign currency translation adjustment	3,607	(2,379)	6,595	4,768
Total comprehensive loss	$ (30,162)	$ (86,522)	$ (182,897)	$ (235,744)

XML

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Parenthetical) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Statement Of Income And Comprehensive Income [Abstract]
Other comprehensive income (loss), taxes	$ 0	$ 0	$ 0	$ 0

XML

CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited) - 9 months ended Sep. 30, 2017 - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock
Beginning Balance at Dec. 31, 2016	$ 2,248,724	$ 1,915	$ 1,042,696	$ 2,116,341	$ (1,134)	$ (911,094)
Beginning Balance (in shares) at Dec. 31, 2016	191,525,872	191,526,000
Net loss	$ (189,492)			(189,492)
Foreign currency translation adjustment	6,595				6,595
Equity offering	471,570	$ 182	471,388
Equity offering (in shares)		18,170,000
Shares issued for acquisition	1,039,396	$ 463	1,038,933
Shares issued for acquisition (in shares)		46,298,000
Exercise of stock options	$ 223		223
Exercise of stock options (in shares)	10,000	10,000
Issuance of restricted stock		$ 9	(9)
Issuance of restricted stock (in shares)		891,000
Vesting of restricted stock units		$ 5	(5)
Vesting of restricted stock units (in shares)		549,000
Forfeitures of restricted stock (in shares)		(16,000)
Stock-based compensation	$ 35,101		35,101
Payment of cash dividends	(11,866)			(11,866)
Dividend equivalents	(17)			(17)
Purchase of treasury stock	(7,032)					(7,032)
Ending Balance at Sep. 30, 2017	$ 3,593,202	$ 2,574	$ 2,588,327	$ 1,914,966	$ 5,461	$ (918,126)
Ending Balance (in shares) at Sep. 30, 2017	257,428,497	257,428,000

XML

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net loss	$ (189,492)	$ (240,512)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation, depletion, amortization and impairment	572,187	511,209
Dry holes and abandonments	443
Deferred income tax benefit	(104,190)	(109,045)
Stock-based compensation expense	35,101	21,130
Net gain on asset disposals	(19,079)	(9,808)
Tax expense on stock-based compensation		(4,895)
Amortization of debt issuance costs	260	2,184
Changes in operating assets and liabilities:
Accounts receivable	(246,407)	74,742
Income taxes receivable	1,499	28,524
Inventory and other assets	(26,398)	7,876
Accounts payable	91,499	(19,652)
Accrued expenses	15,917	(7,616)
Other liabilities	(75)	(1,431)
Net cash provided by operating activities	131,265	252,706
Cash flows from investing activities:
Acquisition, net of cash acquired	(434,194)	155
Purchases of property and equipment	(329,851)	(80,511)
Proceeds from disposal of assets	39,672	18,384
Other investments	(2,520)
Net cash used in investing activities	(726,893)	(61,972)
Cash flows from financing activities:
Proceeds from equity offering	471,570
Purchases of treasury stock	(6,809)	(3,611)
Dividends paid	(11,866)	(20,618)
Debt issuance costs		(3,357)
Repayment of long-term debt		(255,000)
Proceeds from borrowings under revolving credit facility	282,000	95,000
Repayment of borrowings under revolving credit facility	(138,000)	(80,000)
Net cash provided by (used in) financing activities	596,895	(267,586)
Effect of foreign exchange rate changes on cash	1,420	478
Net increase (decrease) in cash and cash equivalents	2,687	(76,374)
Cash and cash equivalents at beginning of period	35,152	113,346
Cash and cash equivalents at end of period	37,839	36,972
Net cash (paid) received during the period for:
Interest, net of capitalized interest of $781 in 2017 and $327 in 2016	(18,336)	(21,973)
Income taxes	3,866	44,987
Non-cash investing and financing activities:
Net increase in payables for purchases of property and equipment	48,919	16,884
Issuance of common stock for business acquisition	1,039,396	6,733
Net decrease in deposits on equipment purchases	$ 1,023	$ 4,667

XML

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Statement Of Cash Flows [Abstract]
Interest expense, capitalized interest	$ 781	$ 327

XML

Basis of Consolidation and Presentation

9 Months Ended

Sep. 30, 2017

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Basis of Consolidation and Presentation

1. Basis of Consolidation and Presentation

The unaudited interim condensed consolidated financial statements include the accounts of Patterson-UTI Energy, Inc. (the “Company”) and its wholly-owned subsidiaries. All significant intercompany accounts and transactions have been eliminated. Except for wholly-owned subsidiaries, the Company has no controlling financial interests in any entity which would require consolidation.

The unaudited interim condensed consolidated financial statements have been prepared by management of the Company pursuant to the rules and regulations of the United States Securities and Exchange Commission. Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) have been omitted pursuant to such rules and regulations, although the Company believes the disclosures included either on the face of the financial statements or herein are sufficient to make the information presented not misleading. In the opinion of management, all recurring adjustments considered necessary for a fair statement of the information in conformity with U.S. GAAP have been included. The unaudited condensed consolidated balance sheet as of December 31, 2016, as presented herein, was derived from the audited consolidated balance sheet of the Company, but does not include all disclosures required by U.S. GAAP. These unaudited condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and related notes included in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2016. The results of operations for the three and nine months ended September 30, 2017 are not necessarily indicative of the results to be expected for the full year.

The U.S. dollar is the functional currency for all of the Company’s operations except for its Canadian operations, which use the Canadian dollar as its functional currency. The effects of exchange rate changes are reflected in accumulated other comprehensive loss, which is a separate component of stockholders’ equity.

In 2017, the Company adopted new guidance for the presentation of deferred tax liabilities and assets and such guidance was applied retrospectively, resulting in the reclassification of $36.4 million from current deferred tax assets as of December 31, 2016.  Of this amount, $4.1 million was reclassified to long-term deferred tax assets and $32.3 million was reclassified to long-term deferred tax liabilities.  During the fourth quarter of 2016, the Company changed its reporting segment presentation, as the Company no longer considers its oil and natural gas exploration and production activities to be significant to an understanding of the Company’s results.  The Company now presents the oil and natural gas exploration and production activities, oilfield rental tool business, pipe handling components and related technology business and Middle East/North Africa activities as “Other,” and “Corporate” reflects only corporate activities.  This change in segment presentation was applied retrospectively to all periods presented herein (See Note 6).

On December 12, 2016, the Company entered into an Agreement and Plan of Merger (the “merger agreement”) with Seventy Seven Energy Inc. (“SSE”), and the merger closed on April 20, 2017 (the “merger date”).  The Company’s results include the results of operations of SSE since the merger date (See Note 2).  

The Company provides a dual presentation of its net loss per common share in its unaudited condensed consolidated statements of operations: basic net loss per common share (“Basic EPS”) and diluted net loss per common share (“Diluted EPS”).

Basic EPS excludes dilution and is computed by first allocating earnings between common stockholders and holders of non-vested shares of restricted stock. Basic EPS is then determined by dividing the earnings attributable to common stockholders by the weighted average number of common shares outstanding during the period, excluding non-vested shares of restricted stock.

Diluted EPS is based on the weighted average number of common shares outstanding plus the dilutive effect of potential common shares, including stock options, non-vested shares of restricted stock and restricted stock units. The dilutive effect of stock options and restricted stock units is determined using the treasury stock method. The dilutive effect of non-vested shares of restricted stock is based on the more dilutive of the treasury stock method or the two-class method, assuming a reallocation of undistributed earnings to common stockholders after considering the dilutive effect of potential common shares other than non-vested shares of restricted stock.

The following table presents information necessary to calculate net loss per share for the three and nine months ended September 30, 2017 and 2016 as well as potentially dilutive securities excluded from the weighted average number of diluted common shares outstanding because their inclusion would have been anti-dilutive (in thousands, except per share amounts):

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2017			2016			2017			2016
BASIC EPS:
Net loss attributed to common stockholders	$	(33,769	)	$	(84,143	)	$	(189,492	)	$	(240,512	)
Weighted average number of common shares outstanding, excluding    non-vested shares of restricted stock		211,875			146,326			191,237			146,014
Basic net loss per common share	$	(0.16	)	$	(0.58	)	$	(0.99	)	$	(1.65	)
DILUTED EPS:
Net loss attributed to common stockholders	$	(33,769	)	$	(84,143	)	$	(189,492	)	$	(240,512	)
Weighted average number of common shares outstanding, excluding    non-vested shares of restricted stock		211,875			146,326			191,237			146,014
Add dilutive effect of potential common shares		—			—			—			—
Weighted average number of diluted common shares outstanding		211,875			146,326			191,237			146,014
Diluted net loss per common share	$	(0.16	)	$	(0.58	)	$	(0.99	)	$	(1.65	)
Potentially dilutive securities excluded as anti-dilutive		9,973			9,141			9,973			9,141

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Acquisitions

9 Months Ended

Sep. 30, 2017

Business Combinations [Abstract]

Acquisitions

2. Acquisitions

Seventy Seven Energy Inc. (“SSE”)

On April 20, 2017, pursuant to the merger agreement, a subsidiary of the Company was merged with and into SSE, with SSE continuing as the surviving entity and one of the Company’s wholly owned subsidiaries (the “SSE merger”). Pursuant to the terms of the merger agreement, the Company acquired all of the issued and outstanding shares of common stock of SSE, in exchange for approximately 46.3 million shares of common stock of the Company. Concurrent with the closing of the merger, the Company repaid all of the outstanding debt of SSE totaling $472 million.  Based on the closing price of the Company’s common stock on April 20, 2017, the total fair value of the consideration transferred to effect the acquisition of SSE was approximately $1.5 billion.  On April 20, 2017, following the SSE merger, SSE was merged with and into a newly-formed subsidiary of the Company named Seventy Seven Energy LLC (“SSE LLC”), with SSE LLC continuing as the surviving entity and one of the Company’s wholly owned subsidiaries.

Through the SSE merger, the Company acquired a fleet of 91 drilling rigs, 36 of which the Company considers to be APEX® class rigs. Additionally, through the SSE merger, the Company acquired approximately 500,000 horsepower of modern, efficient fracturing equipment located in Oklahoma and Texas.  The oilfield rentals business acquired through the SSE merger has a modern, well-maintained fleet of premium rental tools, and it provides specialized services for land-based oil and natural gas drilling, completion and workover activities.  

The merger has been accounted for as a business combination using the acquisition method.  Under the acquisition method of accounting, the fair value of the consideration transferred is allocated to the tangible and intangible assets acquired and the liabilities assumed based on their estimated fair values as of the acquisition date, with the remaining unallocated amount recorded as goodwill.

The total fair value of the consideration transferred was determined as follows (in thousands, except stock price):

Shares of Company common stock issued to SSE shareholders		46,298
Company common stock price on April 20, 2017	$	22.45
Fair value of common stock issued	$	1,039,396
Plus SSE long-term debt repaid by Company	$	472,000
Total fair value of consideration transferred	$	1,511,396

The final determination of the fair value of assets acquired and liabilities assumed at the merger date will be completed as soon as possible, but no later than one year from the merger date (the “measurement period”).  The Company’s preliminary purchase price allocation is subject to revision as additional information about the fair value of assets and liabilities becomes available.  Additional information that existed as of the merger date, but at the time was unknown to the Company, may become known to the Company during the remainder of the measurement period.  The final determination of fair value may differ materially from these preliminary estimates.  The following table represents the preliminary allocation of the total purchase price of SSE to the assets acquired and the liabilities assumed based on the fair value at the merger date, with the excess of the purchase price over the estimated fair value of the identifiable net assets acquired recorded as goodwill (in thousands):  

Identifiable assets acquired
Cash and cash equivalents	$	37,806
Accounts receivable		149,598
Inventory		8,036
Other current assets		19,250
Property and equipment		984,430
Other long-term assets		14,546
Intangible assets		22,500
Total identifiable assets acquired		1,236,166
Liabilities assumed
Accounts payable and accrued liabilities		130,100
Deferred income taxes		31,402
Other long-term liabilities		1,734
Total liabilities assumed		163,236
Net identifiable assets acquired		1,072,930
Goodwill		438,466
Total net assets acquired	$	1,511,396

The acquired goodwill is not deductible for tax purposes.  Among the factors that contributed to a purchase price resulting in the recognition of goodwill was SSE’s reputation as an experienced provider of high-quality contract drilling and pressure pumping services in a safe and efficient manner.  See Note 7 for a breakdown of goodwill acquired by operating segment.

A portion of the fair value consideration transferred has been provisionally assigned to identifiable intangible assets as follows:

	Fair Value		Weighted Average Useful Life
	(in thousands)		(in years)
Assets
Favorable drilling contracts	$	22,500	1

The results of SSE’s operations since the merger date are included in our consolidated statement of operations.  The following pro forma condensed combined financial information was derived from the historical financial statements of the Company and SSE and gives effect to the merger as if it had occurred on January 1, 2016.  The below information reflects pro forma adjustments based on available information and certain assumptions the Company believes are reasonable, including (i) adjustments related to the depreciation and amortization of the fair value of acquired intangibles and fixed assets, (ii) removal of the historical interest expense of SSE, (iii) tax benefit of the aforementioned pro forma adjustments, and (iv) adjustments related to the common shares outstanding to reflect the impact of the consideration exchanged in the merger.  Additionally, the pro forma loss for the three months ended September 30, 2017 was adjusted to exclude the Company’s merger and integration-related costs of $9.4 million.   The pro forma loss for the nine months ended September 30, 2017 was adjusted to exclude the Company’s merger and integration-related costs of $65.8 million and SSE’s merger-related costs of $36.7 million.  The pro forma results of operations do not include any cost savings or other synergies that may result from the SSE merger or any estimated costs that have been or will be incurred by the Company to integrate the SSE operations.  The pro forma condensed combined financial information has been included for comparative purposes and is not necessarily indicative of the results that might have actually occurred had the SSE merger taken place on January 1, 2016; furthermore, the financial information is not intended to be a projection of future results.  The following table summarizes selected financial information of the Company on a pro forma basis (in thousands, except per share data):

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2017			2016			2017			2016
Revenues	$	684,989		$	326,227		$	1,811,903		$	1,082,554
Net loss		(27,627	)		(117,185	)		(189,098	)		(346,481	)
Loss per share		(0.13	)		(0.56	)		(0.89	)		(1.65	)

Multi-Shot, LLC (“MS Directional”)

On October 11, 2017, the Company acquired all of the issued and outstanding limited liability company interests of Multi-Shot, LLC (“MS Directional”). The aggregate consideration paid by the Company to the sellers consisted of $75 million in cash and 8,798,391 shares of the Company’s common stock.  The purchase price is subject to customary post-closing adjustments relating to cash, net working capital and indebtedness of MS Directional as of the closing.  Based on the closing price of the Company’s common stock on the closing date of the transaction, the total fair value of the consideration transferred to effect the acquisition of MS Directional was approximately $262 million.  

MS Directional is a leading directional drilling services company in the United States, with operations in most major producing onshore oil and gas basins.  MS Directional provides a comprehensive suite of directional drilling services, including directional drilling, downhole performance motors, directional surveying, measurement while drilling, and wireline steering tools.  

The Company’s consolidated results of operations will include the results of the acquired MS Directional business beginning with the closing date of the acquisition of October 11, 2017.  Due to the timing of the closing of the acquisition, the Company has not completed the detailed valuation work necessary to determine the required estimates of the fair value of the acquired assets and liabilities assumed and the related allocation of purchase price.  MS Directional had total assets of approximately $104 million as of December 31, 2016, consisting of $21.4 million of accounts receivable, $23.9 million of inventory, $53.8 million of property and equipment and $4.9 million of other assets.  The Company’s preliminary allocation of purchase price to the assets acquired will be included in future SEC filings of the Company.

As this transaction closed subsequent to the end of the third quarter of 2017, the condensed consolidated financial statements and accompanying notes do not reflect any amounts relating to MS Directional.

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Stock-based Compensation

9 Months Ended

Sep. 30, 2017

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Stock-based Compensation

3. Stock-based Compensation

The Company uses share-based payments to compensate employees and non-employee directors.  The Company recognizes the cost of share-based payments under the fair-value-based method.  Share-based awards include equity instruments in the form of stock options, restricted stock or restricted stock units that have included service conditions and, in certain cases, performance conditions.  The Company’s share-based awards also include share-settled performance unit awards.  Share-settled performance unit awards are accounted for as equity awards.  The Company issues shares of common stock when vested stock options are exercised, when restricted stock is granted and when restricted stock units and share-settled performance unit awards vest.  

The Patterson-UTI Energy, Inc. 2014 Long-Term Incentive Plan (the “2014 Plan”) was originally approved by the Company’s stockholders effective as of April 17, 2014.  On June 29, 2017, the Company’s stockholders approved the amendment and restatement of the 2014 Plan (the “Amended and Restated Plan”) to increase the number of shares available for future issuance under the plan to 10,049,156 shares.  The aggregate number of shares of Common Stock authorized for grant under the Amended and Restated Plan is 18.9 million, which includes the 9.1 million shares previously authorized under the 2014 Plan.

Stock Options — The Company estimates the grant date fair values of stock options using the Black-Scholes-Merton valuation model. Volatility assumptions are based on the historic volatility of the Company’s common stock over the most recent period equal to the expected term of the options as of the date such options are granted. The expected term assumptions are based on the Company’s experience with respect to employee stock option activity. Dividend yield assumptions are based on the expected dividends at the time the options are granted. The risk-free interest rate assumptions are determined by reference to United States Treasury yields. No options were granted in the three or nine months ended September 30, 2017. Weighted-average assumptions used to estimate the grant date fair values for stock options granted for the three and nine month periods ended September 30, 2016 follow:

	Three Months Ended			Nine Months Ended
	September 30,			September 30,
	2016			2016
Volatility		34.87	%		35.11	%
Expected term (in years)		5.00			5.00
Dividend yield		0.42	%		2.05	%
Risk-free interest rate		1.20	%		1.40	%

Stock option activity from January 1, 2017 to September 30, 2017 follows:

				Weighted
				Average
	Underlying			Exercise Price
	Shares			Per Share
Outstanding at January 1, 2017		6,687,150		$	20.68
Exercised		(10,000	)	$	22.29
Expired		(600,000	)	$	24.17
Outstanding at September 30, 2017		6,077,150		$	20.34
Exercisable at September 30, 2017		5,421,310		$	20.50

Restricted Stock — For all restricted stock awards made to date, shares of common stock were issued when the awards were made. Non-vested shares are subject to forfeiture for failure to fulfill service conditions, and, in certain cases, performance conditions. Non-forfeitable dividends are paid on non-vested shares of restricted stock. The Company uses the straight-line method to recognize periodic compensation cost over the vesting period.

Restricted stock activity from January 1, 2017 to September 30, 2017 follows:

				Weighted
				Average Grant
				Date Fair Value
	Shares			Per Share
Non-vested restricted stock outstanding at January 1, 2017		1,427,455		$	22.26
Granted		890,904		$	21.78
Vested		(724,626	)	$	23.62
Forfeited		(16,003	)	$	22.80
Non-vested restricted stock outstanding at September 30, 2017		1,577,730		$	21.36

Restricted Stock Units — For all restricted stock unit awards made to date, shares of common stock are not issued until the units vest.  Restricted stock units are subject to forfeiture for failure to fulfill service conditions and, in certain cases, performance conditions.  Non-forfeitable cash dividend equivalents are paid on certain non-vested restricted stock units.  The Company uses the straight-line method to recognize periodic compensation cost over the vesting period.

Restricted stock unit activity from January 1, 2017 to September 30, 2017 follows:

				Weighted
				Average Grant
				Date Fair Value
	Shares			Per Share
Non-vested restricted stock units outstanding at January 1, 2017		191,655		$	19.85
Granted		1,090,292		$	19.75
Assumed (1)		505,551		$	22.45
Vested		(549,451	)	$	22.24
Forfeited		(38,374	)	$	21.61
Non-vested restricted stock units outstanding at September 30, 2017		1,199,673		$	19.71

(1) Restricted stock unit awards under the Seventy Seven Energy Inc. 2016 Omnibus Incentive Plan, which was adopted, assumed, amended and renamed by the Company in connection with the SSE merger.  No additional awards will be made under this plan.  

Performance Unit Awards.  The Company has granted share-settled performance unit awards to certain executive officers (the “Performance Units”) on an annual basis since 2010.  The Performance Units provide for the recipients to receive a grant of shares of common stock upon the achievement of certain performance goals during a specified period established by the Compensation Committee.  The performance period for the Performance Units is the three-year period commencing on April 1 of the year of grant, except that for the Performance Units granted in 2013 the performance period was extended pursuant to its terms, as described below, and for the Performance Units granted in 2017 the three-year performance period commenced on May 1.  

The performance goals for the Performance Units are tied to the Company’s total shareholder return for the performance period as compared to total shareholder return for a peer group determined by the Compensation Committee.  These goals are considered to be market conditions under the relevant accounting standards and the market conditions were factored into the determination of the fair value of the respective Performance Units.  Generally, the recipients will receive a target number of shares if the Company’s total shareholder return during the performance period, when compared to the peer group, is at the 50^th percentile.  If the Company’s total shareholder return during the performance period, when compared to the peer group, is at the 75^th percentile or higher, then the recipients will receive two times the target number of shares.  If the Company’s total shareholder return during the performance period, when compared to the peer group, is at the 25^th percentile, then the recipients will only receive one-half of the target number of shares.  If the Company’s total shareholder return during the performance period, when compared to the peer group, is between the 25^th and 75^th percentile, then the shares to be received by the recipients will be determined on a pro-rata basis.  

For the Performance Units awarded prior to 2016, there is no payout unless the Company’s total shareholder return is positive and, when compared to the peer group, is at or above the 25^th percentile.  In respect of the 2013 Performance Units, for which the performance period ended March 31, 2016, the Company’s total shareholder return for the performance period was negative, the Company’s total shareholder return for the performance period when compared to the peer group was above the 75^th percentile, and there was no payout; provided, however, that pursuant to the terms of those 2013 awards, if, during the two-year period ending March 31, 2018, the Company’s total shareholder return for any 30 consecutive day period equals or exceeds 18 percent on an annualized basis from April 1, 2013 through the last day of such 30 consecutive day period, and the recipient is actively employed by the Company through the last day of the extended performance period, then the Company will issue to the recipient the number of shares equal to the amount the recipient would have been entitled to receive had the Company’s total shareholder return been positive during the initial three-year performance period.

For the Performance Units granted in April 2016, if the Company’s total shareholder return is negative, and, when compared to the peer group is at or above the 25th percentile, then the recipients will receive one-half of the number of shares they would have received had the Company’s total shareholder return been positive.  For the Performance Units granted in May 2017, the payout is based on relative performance and does not have an absolute performance requirement.

The total target number of shares with respect to the Performance Units for the awards in 2013-2017 is set forth below:

	2017		2016		2015		2014		2013
	Performance		Performance		Performance		Performance		Performance
	Unit Awards		Unit Awards		Unit Awards		Unit Awards		Unit Awards
Target number of shares		186,198		185,000		190,600		154,000		236,500

Because the performance units are share-settled awards, they are accounted for as equity awards and measured at fair value on the date of grant using a Monte Carlo simulation model. The fair value of the Performance Units is set forth below (in thousands):

	2017		2016		2015		2014		2013
	Performance		Performance		Performance		Performance		Performance
	Unit Awards		Unit Awards		Unit Awards		Unit Awards		Unit Awards
Fair value at date of grant	$	5,780	$	3,854	$	4,052	$	5,388	$	5,564

These fair value amounts are charged to expense on a straight-line basis over the performance period. Compensation expense associated with the Performance Units is shown below (in thousands):

	2017		2016		2015		2014		2013
	Performance		Performance		Performance		Performance		Performance
	Unit Awards		Unit Awards		Unit Awards		Unit Awards		Unit Awards
Three months ended September 30, 2017	$	482	$	321	$	338	NA		NA
Three months ended September 30, 2016	NA		$	321	$	338	$	449	NA
Nine months ended September 30, 2017	$	803	$	963	$	1,013	$	449	NA
Nine months ended September 30, 2016	NA		$	642	$	1,013	$	1,347	$	464

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Inventory

9 Months Ended

Sep. 30, 2017

Inventory Disclosure [Abstract]

Inventory

4. Inventory

Inventory consisted of the following at September 30, 2017 and December 31, 2016 (in thousands):

	September 30,		December 31,
	2017		2016
Finished goods	$	1,332	$	—
Work-in-process		3,910		1,803
Raw materials and supplies		35,430		18,388
Inventory	$	40,672	$	20,191

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Property and Equipment

9 Months Ended

Sep. 30, 2017

Property Plant And Equipment [Abstract]

Property and Equipment

5. Property and Equipment

Property and equipment consisted of the following at September 30, 2017 and December 31, 2016 (in thousands):

	September 30,			December 31,
	2017			2016
Equipment	$	7,882,765		$	6,809,129
Oil and natural gas properties		209,912			201,568
Buildings		186,452			97,029
Land		26,630			22,270
Total property and equipment		8,305,759			7,129,996
Less accumulated depreciation, depletion and impairment		(4,107,474	)		(3,721,033	)
Property and equipment, net	$	4,198,285		$	3,408,963

On a periodic basis, the Company evaluates its fleet of drilling rigs for marketability based on the condition of inactive rigs, expenditures that would be necessary to bring them to working condition and the expected demand for drilling services by rig type (such as drilling conventional, vertical wells versus drilling longer, horizontal wells using higher specification rigs).  The components comprising rigs that will no longer be marketed are evaluated, and those components with continuing utility to the Company’s other marketed rigs are transferred to other rigs or to the Company’s yards to be used as spare equipment.  The remaining components of these rigs are retired.  In the second quarter of 2017, the Company recorded an impairment charge of $29.0 million for the write-down of drilling equipment with no continuing utility as a result of the upgrade of certain rigs to super-spec capability.

In addition, the Company evaluates the recoverability of its long-lived assets whenever events or changes in circumstances indicate that their carrying amounts may not be recoverable (a “triggering event”).  Based on recent commodity prices, the Company’s results of operations for the three and nine month periods ended September 30, 2017 and management’s expectations of operating results in future periods, the Company concluded that no triggering event occurred during the nine months ended September 30, 2017 with respect to its contract drilling segment, its pressure pumping segment or its other operations, except for oil and natural gas properties, which are discussed in the following paragraph.  Management’s expectations of future operating results were based on the assumption that activity levels in both segments and its other operations will remain relatively stable in response to relatively stable oil prices.  

The Company reviews its proved oil and natural gas properties for impairment whenever a triggering event occurs, such as downward revisions in reserve estimates or decreases in expected future oil and natural gas prices.  Proved properties are grouped by field, and undiscounted cash flow estimates are prepared based on the Company’s expectation of future pricing over the lives of the respective fields.  These cash flow estimates are reviewed by an independent petroleum engineer.  If the net book value of a field exceeds its undiscounted cash flow estimate, impairment expense is measured and recognized as the difference between net book value and fair value.  Impairment expense related to proved and unproved oil and natural gas properties totaled $1.3 million in the third quarter of 2017 and $3.5 million for the nine months ended September 30, 2017 and is included in depreciation, depletion, amortization and impairment in the condensed consolidated statements of operations.  

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Business Segments

9 Months Ended

Sep. 30, 2017

Segment Reporting [Abstract]

Business Segments

6. Business Segments

At September 30, 2017, the Company’s revenues, loss before income taxes and identifiable assets were primarily attributable to two business segments: (i) contract drilling of oil and natural gas wells and (ii) pressure pumping services. Each of these segments represents a distinct type of business and has a separate management team that reports to the Company’s chief operating decision maker. The results of operations in these segments are regularly reviewed by the chief operating decision maker for purposes of determining resource allocation and assessing performance.

The following tables summarize selected financial information relating to the Company’s business segments (in thousands):

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2017			2016			2017			2016
Revenues:
Contract drilling	$	301,954		$	123,863		$	731,496		$	407,855
Pressure pumping		362,441			78,165			793,659			248,428
Other operations (a)		22,832			4,284			48,092			12,973
Elimination of intercompany revenues (b)		(2,238	)		(179	)		(3,897	)		(277	)
Total revenues	$	684,989		$	206,133		$	1,569,350		$	668,979
Income (loss) before income taxes:
Contract drilling	$	(20,397	)	$	(67,786	)	$	(155,465	)	$	(173,331	)
Pressure pumping		16,841			(46,569	)		(1,414	)		(136,553	)
Other operations		(6,516	)		228			(13,030	)		(2,263	)
Corporate		(31,735	)		(13,400	)		(119,483	)		(41,138	)
Other operating income, net (c)		3,791			4,118			18,501			10,285
Interest income		101			63			1,149			273
Interest expense		(9,584	)		(10,244	)		(26,929	)		(31,722	)
Other		78			19			226			52
Loss before income taxes	$	(47,421	)	$	(133,571	)	$	(296,445	)	$	(374,397	)
Depreciation, depletion, amortization and impairment
Contract drilling	$	133,603		$	115,652		$	405,576		$	357,153
Pressure pumping		51,274			44,587			141,329			141,557
Other operations		9,534			1,856			19,826			8,393
Corporate		2,231			1,369			5,456			4,106
Total depreciation, depletion, amortization and impairment	$	196,642		$	163,464		$	572,187		$	511,209
Capital expenditures
Contract drilling	$	106,879		$	17,551		$	222,426		$	46,001
Pressure pumping		27,230			8,330			85,423			27,662
Other operations		8,647			2,401			21,016			5,621
Corporate		305			395			986			1,227
Total capital expenditures	$	143,061		$	28,677		$	329,851		$	80,511

	September 30,		December 31,
	2017		2016
Identifiable assets:
Contract drilling	$	3,950,748	$	3,032,819
Pressure pumping		1,227,384		653,630
Other operations		166,900		48,885
Corporate (d)		127,943		36,957
Total assets	$	5,472,975	$	3,772,291

(a) Other operations includes the Company’s oilfield rental tools business, pipe handling components and related technology business, the oil and natural gas working interests and the Middle East/North Africa activities.

(b) For 2016, intercompany revenues consists of contract drilling intercompany revenues for services provided to other operations. For 2017, intercompany revenues also includes revenues from other operations for services provided to contract drilling, pressure pumping and within other operations.

(c) Other operating income includes net gains associated with the disposal of assets related to corporate strategy decisions of the executive management group.  Accordingly, the related gains have been excluded from the operating results of specific segments.  This caption also includes expenses related to certain legal settlements net of insurance reimbursements.  

(d) Corporate assets primarily include cash on hand and certain property and equipment.

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Goodwill and Intangible Assets

9 Months Ended

Sep. 30, 2017

Goodwill And Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

7. Goodwill and Intangible Assets

Goodwill — Goodwill by operating segment as of September 30, 2017 and changes for the nine months then ended are as follows (in thousands):

	Contract		Pressure
	Drilling		Pumping		Total
Balance at beginning of period	$	86,234	$	—	$	86,234
Goodwill acquired		300,819		137,647		438,466
Balance at end of period	$	387,053	$	137,647	$	524,700

There were no accumulated impairment losses related to goodwill as of September 30, 2017 or December 31, 2016.

Goodwill is evaluated at least annually as of December 31, or when circumstances require, to determine if the fair value of recorded goodwill has decreased below its carrying value.  For impairment testing purposes, goodwill is evaluated at the reporting unit level.  The Company’s reporting units for impairment testing are its operating segments.  The Company determines whether it is more likely than not that the fair value of a reporting unit is less than its carrying value after considering qualitative, market and other factors, and if this is the case, any necessary goodwill impairment is determined using a quantitative impairment test.  From time to time, the Company may perform quantitative testing for goodwill impairment in lieu of performing the qualitative assessment.  If the resulting fair value of goodwill is less than the carrying value of goodwill, an impairment loss would be recognized for the amount of the shortfall.

Intangible Assets — The following table presents the gross carrying amount and accumulated amortization of the intangible assets as of September 30, 2017 and December 31, 2016 (in thousands):

	September 30, 2017							December 31, 2016
	Gross					Net		Gross					Net
	Carrying		Accumulated			Carrying		Carrying		Accumulated			Carrying
	Amount		Amortization			Amount		Amount		Amortization			Amount
Customer relationships	$	25,500	$	(25,500	)	$	—	$	25,500	$	(22,768	)	$	2,732
Favorable drilling contracts		22,500		(13,518	)		8,982		—		—			—
	$	48,000	$	(39,018	)	$	8,982	$	25,500	$	(22,768	)	$	2,732

Amortization expense on intangible assets of approximately $6.6 million and $911,000 was recorded in the three months ended September 30, 2017 and 2016, respectively, and amortization expense on intangible assets of approximately $16.3 million and $2.7 million was recorded in the nine months ended September 30, 2017 and 2016, respectively.

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Accrued Expenses

9 Months Ended

Sep. 30, 2017

Payables And Accruals [Abstract]

Accrued Expenses

8. Accrued Expenses

Accrued expenses consisted of the following at September 30, 2017 and December 31, 2016 (in thousands):

	September 30,		December 31,
	2017		2016
Salaries, wages, payroll taxes and benefits	$	56,777	$	21,138
Workers' compensation liability		82,509		67,775
Property, sales, use and other taxes		29,382		6,766
Insurance, other than workers' compensation		10,881		9,566
Accrued interest payable		14,091		6,740
Accrued merger and integration		20,538		—
Other		31,648		27,163
Total	$	245,826	$	139,148

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Long Term Debt

9 Months Ended

Sep. 30, 2017

Debt Disclosure [Abstract]

Long Term Debt

9. Long Term Debt

2012 Credit Agreement — On September 27, 2012, the Company entered into a Credit Agreement (the “Base Credit Agreement”) with Wells Fargo Bank, N.A., as administrative agent, letter of credit issuer, swing line lender and lender, and each of the other lenders party thereto. The Base Credit Agreement (as amended, the “Credit Agreement”) is a committed senior unsecured credit facility that includes a revolving credit facility.

On July 8, 2016, the Company entered into Amendment No. 2 to Credit Agreement (“Amendment No. 2”), which amended the Base Credit Agreement to, among other things, make borrowing under the revolving credit facility subject to a borrowing base calculated by reference to the Company’s and certain of its subsidiaries’ eligible equipment, inventory, accounts receivable and unencumbered cash as described in Amendment No. 2.  The revolving credit facility contains a letter of credit facility that is limited to $50 million and a swing line facility that is limited to $20 million, in each case outstanding at any time. The maturity date under the Base Credit Agreement was September 27, 2017 for the revolving facility; however, Amendment No. 2 extended the maturity date of $357.9 million in revolving credit commitments of certain lenders to March 27, 2019.  On January 17, 2017, the Company entered into Amendment No. 3 to Credit Agreement, which amended the Credit Agreement by restating the definition of Consolidated EBITDA to provide for the add-back of transaction expenses related to the SSE merger.  On January 24, 2017, the Company entered into an agreement with certain lenders under its revolving credit facility to increase the aggregate commitments under its revolving credit facility to approximately $595.8 million, subject to the satisfaction of certain conditions.  The aggregate commitment increase became effective on April 20, 2017 upon the consummation of the SSE merger and the repayment and termination of the SSE credit facility. On April 20, 2017, the Company entered into Amendment No. 4 to Credit Agreement which permitted outstanding letters of credit under the SSE credit facility to be deemed to be incurred under the Company’s credit facility and increased the amount of the accordion feature of the Company’s revolving credit facility to permit aggregate commitments to be increased to an amount not to exceed $700 million (subject to satisfaction of certain conditions and the procurement of additional commitments from new or existing lenders). On April 20, 2017, the Company also entered into an additional commitment increase agreement with certain of its lenders pursuant to which total commitments available under the Company’s revolving credit facility (after giving effect to both commitment increases) increased to $632 million through September 2017 and to $490 million through March 2019. On October 27, 2017, the Company entered into an additional commitment increase agreement with certain of its lenders pursuant to which total commitments available under the Company’s revolving credit facility increased to $500 million through March 2019.

Loans under the Credit Agreement bear interest by reference, at the Company’s election, to the LIBOR rate or base rate, provided, that swing line loans bear interest by reference only to the base rate. Until September 27, 2017, the applicable margin on LIBOR rate loans varied from 2.75% to 3.25% and the applicable margin on base rate loans varied from 1.75% to 2.25%, in each case determined based upon the Company’s debt to capitalization ratio. Based on the Company’s debt to capitalization ratio at March 31, 2017, the applicable margin on LIBOR loans was 2.75% and the applicable margin on base rate loans was 1.75% as of July 1, 2017.  Beginning September 27, 2017, the applicable margin on LIBOR rate loans varies from 3.25% to 3.75% and the applicable margin on base rate loans varies from 2.25% to 2.75%, in each case determined based on the Company’s excess availability under the revolving credit facility.  As of September 30, 2017, the applicable margin on LIBOR rate loans was 3.25% and the applicable margin on base rate loans was 2.25%.  A letter of credit fee is payable by the Company equal to the applicable margin for LIBOR rate loans times the daily amount available to be drawn under outstanding letters of credit. The commitment fee rate payable to the lenders for the unused portion of the revolving credit facility is 0.50%.

Each domestic subsidiary of the Company unconditionally guarantees all existing and future indebtedness and liabilities of the other guarantors and the Company arising under the Credit Agreement, other than (a) Ambar Lone Star Fluid Services LLC, (b) domestic subsidiaries that directly or indirectly have no material assets other than equity interests in, or capitalization indebtedness owed by, foreign subsidiaries, and (c) any subsidiary having total assets of less than $1 million. Such guarantees also cover obligations of the Company and any subsidiary of the Company arising under any interest rate swap contract with any person while such person is a lender or an affiliate of a lender under the Credit Agreement.

The Credit Agreement requires compliance with two financial covenants. The Company must not permit its debt to capitalization ratio to exceed 40%. The Credit Agreement generally defines the debt to capitalization ratio as the ratio of (a) total borrowed money indebtedness to (b) the sum of such indebtedness plus consolidated net worth, with consolidated net worth determined as of the last day of the most recently ended fiscal quarter. The Company also must not permit its interest coverage ratio as of the last day of a fiscal quarter to be less than 3.00 to 1.00. The Credit Agreement generally defines the interest coverage ratio as the ratio of earnings before interest, taxes, depreciation and amortization (“EBITDA”) of the four prior fiscal quarters to interest charges for the same period. The Company was in compliance with these covenants at September 30, 2017.

The Credit Agreement limits the Company’s ability to make investments in foreign subsidiaries or joint ventures such that, if the book value of all such investments since September 27, 2012 is above 20% of the total consolidated book value of the assets of the Company and its subsidiaries on a pro forma basis, the Company will not be able to make such investment.  The Credit Agreement also restricts the Company’s ability to pay dividends and make equity repurchases, subject to certain exceptions, including an exception allowing such restricted payments if, before and immediately after giving effect to such restricted payment, the Pro Forma Debt Service Coverage Ratio (as defined in the Credit Agreement) is at least 1.50 to 1.00.  In addition, the Credit Agreement requires that, if the consolidated cash balance of the Company and its subsidiaries, subject to certain exclusions, is more than $100 million at the end of the day on which a borrowing is made, the Company can only use the proceeds from such borrowing to fund acquisitions, capital expenditures and the repurchase of indebtedness, and if such proceeds are not used in such manner within three business days, the Company must repay such unused proceeds on the fourth business day following such borrowings.

The Credit Agreement also contains customary representations, warranties and affirmative and negative covenants.

Events of default under the Credit Agreement include failure to pay principal or interest when due, failure to comply with the financial and operational covenants, as well as a cross default event, loan document enforceability event, change of control event and bankruptcy and other insolvency events. If an event of default occurs and is continuing, then a majority of the lenders have the right, among others, to (i) terminate the commitments under the Credit Agreement, (ii) accelerate and require the Company to repay all the outstanding amounts owed under any loan document (provided that in limited circumstances with respect to insolvency and bankruptcy of the Company, such acceleration is automatic), and (iii) require the Company to cash collateralize any outstanding letters of credit.

As of September 30, 2017, the Company had $144 million outstanding under the revolving credit facility at a weighted average interest rate of 4.83%.  The Company had $4.6 million in letters of credit outstanding at September 30, 2017 and, as a result, had available borrowing capacity of $342 million at that date.

2015 Reimbursement Agreement — On March 16, 2015, the Company entered into a Reimbursement Agreement (the “Reimbursement Agreement”) with The Bank of Nova Scotia (“Scotiabank”), pursuant to which the Company may from time to time request that Scotiabank issue an unspecified amount of letters of credit.  As of September 30, 2017, the Company had $54.9 million in letters of credit outstanding under the Reimbursement Agreement.  

Under the terms of the Reimbursement Agreement, the Company will reimburse Scotiabank on demand for any amounts that Scotiabank has disbursed under any letters of credit.  Fees, charges and other reasonable expenses for the issuance of letters of credit are payable by the Company at the time of issuance at such rates and amounts as are in accordance with Scotiabank’s prevailing practice.  The Company is obligated to pay to Scotiabank interest on all amounts not paid by the Company on the date of demand or when otherwise due at the LIBOR rate plus 2.25% per annum, calculated daily and payable monthly, in arrears, on the basis of a calendar year for the actual number of days elapsed, with interest on overdue interest at the same rate as on the reimbursement amounts.

The Company has also agreed that if obligations under the Credit Agreement are secured by liens on any of its or any of its subsidiaries’ property, then the Company’s reimbursement obligations and (to the extent similar obligations would be secured under the Credit Agreement) other obligations under the Reimbursement Agreement and any letters of credit will be equally and ratably secured by all property subject to such liens securing the Credit Agreement.

Pursuant to a Continuing Guaranty dated as of March 16, 2015, the Company’s payment obligations under the Reimbursement Agreement are jointly and severally guaranteed as to payment and not as to collection by subsidiaries of the Company that from time to time guarantee payment under the Credit Agreement.

Senior Notes — On October 5, 2010, the Company completed the issuance and sale of $300 million in aggregate principal amount of its 4.97% Series A Senior Notes due October 5, 2020 (the “Series A Notes”) in a private placement. The Series A Notes bear interest at a rate of 4.97% per annum. The Company pays interest on the Series A Notes on April 5 and October 5 of each year. The Series A Notes will mature on October 5, 2020.

On June 14, 2012, the Company completed the issuance and sale of $300 million in aggregate principal amount of its 4.27% Series B Senior Notes due June 14, 2022 (the “Series B Notes”) in a private placement. The Series B Notes bear interest at a rate of 4.27% per annum. The Company pays interest on the Series B Notes on April 5 and October 5 of each year. The Series B Notes will mature on June 14, 2022.

The Series A Notes and Series B Notes are senior unsecured obligations of the Company which rank equally in right of payment with all other unsubordinated indebtedness of the Company. The Series A Notes and Series B Notes are guaranteed on a senior unsecured basis by each of the existing domestic subsidiaries of the Company other than subsidiaries that are not required to be guarantors under the Credit Agreement.

The Series A Notes and Series B Notes are prepayable at the Company’s option, in whole or in part, provided that in the case of a partial prepayment, prepayment must be in an amount not less than 5% of the aggregate principal amount of the notes then outstanding, at any time and from time to time at 100% of the principal amount prepaid, plus accrued and unpaid interest to the prepayment date, plus a “make-whole” premium as specified in the note purchase agreements. The Company must offer to prepay the notes upon the occurrence of any change of control. In addition, the Company must offer to prepay the notes upon the occurrence of certain asset dispositions if the proceeds therefrom are not timely reinvested in productive assets. If any offer to prepay is accepted, the purchase price of each prepaid note is 100% of the principal amount thereof, plus accrued and unpaid interest thereon to the prepayment date.

The respective note purchase agreements require compliance with two financial covenants. The Company must not permit its debt to capitalization ratio to exceed 50% at any time. The note purchase agreements generally define the debt to capitalization ratio as the ratio of (a) total borrowed money indebtedness to (b) the sum of such indebtedness plus consolidated net worth, with consolidated net worth determined as of the last day of the most recently ended fiscal quarter. The Company also must not permit its interest coverage ratio as of the last day of a fiscal quarter to be less than 2.50 to 1.00. The note purchase agreements generally define the interest coverage ratio as the ratio of EBITDA for the four prior fiscal quarters to interest charges for the same period. The Company was in compliance with these covenants at September 30, 2017.

Events of default under the note purchase agreements include failure to pay principal or interest when due, failure to comply with the financial and operational covenants, a cross default event, a judgment in excess of a threshold event, the guaranty agreement ceasing to be enforceable, the occurrence of certain ERISA events, a change of control event and bankruptcy and other insolvency events. If an event of default under the note purchase agreements occurs and is continuing, then holders of a majority in principal amount of the respective notes have the right to declare all the notes then-outstanding to be immediately due and payable. In addition, if the Company defaults in payments on any note, then until such defaults are cured, the holder thereof may declare all the notes held by it pursuant to the note purchase agreement to be immediately due and payable.

Debt issuance costs are deferred and recognized as interest expense over the term of the underlying debt.  Interest expense related to the amortization of debt issuance costs was approximately $710,000 and $2.0 million for the three months ended September 30, 2017 and 2016, respectively, and $2.0 million and $3.5 million for the nine months ended September 30, 2017 and 2016, respectively.  Amortization of debt issuance costs for the three and nine months ended September 30, 2016 includes $1.4 million of costs related to the early termination of term loan agreements.

Presented below is a schedule of the principal repayment requirements of long-term debt as of September 30, 2017 (in thousands):

Year ending December 31,
2017	$	—
2018		—
2019		144,000
2020		300,000
2021		—
Thereafter		300,000
Total	$	744,000

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Commitments and Contingencies

9 Months Ended

Sep. 30, 2017

Commitments And Contingencies Disclosure [Abstract]

Commitments and Contingencies

10. Commitments and Contingencies

As of September 30, 2017, the Company maintained letters of credit in the aggregate amount of $59.5 million primarily for the benefit of various insurance companies as collateral for retrospective premiums and retained losses which could become payable under the terms of the underlying insurance contracts. These letters of credit expire annually at various times during the year and are typically renewed. As of September 30, 2017, no amounts had been drawn under the letters of credit.

As of September 30, 2017, the Company had commitments to purchase major equipment and make investments totaling approximately $191 million for its drilling, pressure pumping and oilfield rental tools businesses.

The Company’s pressure pumping business has entered into agreements to purchase minimum quantities of proppants and chemicals from certain vendors. These agreements expire in 2017, 2018, 2021 and 2041. As of September 30, 2017, the remaining obligation under these agreements was approximately $86.9 million, of which approximately $345,000 and $9.5 million relates to purchases required during the remainder of 2017 and 2018, respectively. In the event the required minimum quantities are not purchased during certain periods, the Company could be required to make a liquidated damages payment to the respective vendor for any shortfall.

The Company is party to various legal proceedings arising in the normal course of its business.  The Company does not believe that the outcome of these proceedings, either individually or in the aggregate, will have a material adverse effect on its financial condition, results of operations or cash flows.

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Stockholders' Equity

9 Months Ended

Sep. 30, 2017

Equity [Abstract]

Stockholders' Equity

11. Stockholders’ Equity

Stock Offering – On January 27, 2017, the Company completed an offering of 18.2 million shares of its common stock and raised net proceeds of $472 million.  The Company used the net proceeds of the offering to repay SSE’s outstanding indebtedness of approximately $472 million.  

Cash Dividends — The Company paid cash dividends during the nine months ended September 30, 2017 and 2016 as follows:

2017:	Per Share		Total
			(in thousands)
Paid on March 22, 2017	$	0.02	$	3,326
Paid on June 22, 2017		0.02		4,269
Paid on September 21, 2017		0.02		4,271
Total cash dividends	$	0.06	$	11,866

2016:	Per Share		Total
			(in thousands)
Paid on March 24, 2016	$	0.10	$	14,712
Paid on June 23, 2016		0.02		2,953
Paid on September 22, 2016		0.02		2,953
Total cash dividends	$	0.14	$	20,618

On October 25, 2017, the Company’s Board of Directors approved a cash dividend on its common stock in the amount of $0.02 per share to be paid on December 21, 2017 to holders of record as of December 7, 2017. The amount and timing of all future dividend payments, if any, are subject to the discretion of the Board of Directors and will depend upon business conditions, results of operations, financial condition, terms of the Company’s debt agreements and other factors.

On September 6, 2013, the Company’s Board of Directors approved a stock buyback program that authorizes purchase of up to $200 million of the Company’s common stock in open market or privately negotiated transactions. As of September 30, 2017, the Company had remaining authorization to purchase approximately $187 million of the Company’s outstanding common stock under the stock buyback program. Shares purchased under a buyback program are accounted for as treasury stock.

During the nine months ended September 30, 2017, the Company withheld 369,862 shares with respect to employees’ tax withholding obligations upon vesting of restricted shares and 7,989 shares with respect to the exercise of a stock option.  These shares were acquired at fair market value pursuant to the terms of the 2014 Plan.

Treasury stock acquisitions during the nine months ended September 30, 2017 were as follows (dollars in thousands):

	Shares		Cost
Treasury shares at beginning of period		43,392,617	$	911,094
Purchases pursuant to stock buyback program		5,503		109
Acquisitions pursuant to long-term incentive plan		377,851		6,923
Treasury shares at end of period		43,775,971	$	918,126

On April 20, 2017, pursuant to the merger agreement, the Company acquired all of the issued and outstanding shares of common stock of SSE, in exchange for approximately 46.3 million shares of common stock of the Company.

On October 11, 2017, the Company acquired all of the issued and outstanding limited liability company interests of MS Directional for $75 million in cash and approximately 8.8 million shares of the Company’s common stock.

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Income Taxes

9 Months Ended

Sep. 30, 2017

Income Tax Disclosure [Abstract]

Income Taxes

12. Income Taxes

The Company’s effective income tax rate for the three months ended September 30, 2017 was 28.8%, compared with 37.0% for the three months ended September 30, 2016.  For the nine months ended September 30, 2017, the effective income tax rate was 36.1%, compared to 35.8% for the nine months ended September 30, 2016.  The effective income tax rate fluctuates from the U.S. statutory tax rate based on, among other factors, changes in pretax income in countries with varying statutory tax rates, impact of state and local taxes, and other differences related to the recognition of income and expense between U.S. GAAP and tax.  

Compared with the third quarter of 2016, the lower effective tax rate for the third quarter of 2017 was primarily related to the impact of share-based payment transactions and non-deductible transaction costs associated with the SSE merger, as well as true-up adjustments of U.S. taxes for tax return filings during the third quarter of 2017.  

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Fair Values of Financial Instruments

9 Months Ended

Sep. 30, 2017

Fair Value Disclosures [Abstract]

Fair Values of Financial Instruments

13. Fair Values of Financial Instruments

The carrying values of cash and cash equivalents, trade receivables and accounts payable approximate fair value due to the short-term maturity of these items. These fair value estimates are considered Level 1 fair value estimates in the fair value hierarchy of fair value accounting.

The estimated fair value of the Company’s outstanding debt balances as of September 30, 2017 and December 31, 2016 is set forth below (in thousands):

	September 30, 2017				December 31, 2016
	Carrying		Fair		Carrying		Fair
	Value		Value		Value		Value
4.97% Series A Senior Notes	$	300,000	$	305,440	$	300,000	$	283,534
4.27% Series B Senior Notes		300,000		296,172		300,000		263,194
Total debt	$	600,000	$	601,612	$	600,000	$	546,728

The fair values of the Series A Notes and Series B Notes at September 30, 2017 and December 31, 2016 are based on discounted cash flows associated with the respective notes using current market rates of interest at those respective dates.  For the Series A Notes, the current market rates used in measuring this fair value were 4.32% at September 30, 2017 and 6.65% at December 31, 2016.  For the Series B Notes, the current market rates used in measuring this fair value were 4.58% at September 30, 2017 and 7.02% at December 31, 2016. These fair value estimates are based on observable market inputs and are considered Level 2 fair value estimates in the fair value hierarchy of fair value accounting.

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Recently Issued Accounting Standards

9 Months Ended

Sep. 30, 2017

Accounting Changes And Error Corrections [Abstract]

Recently Issued Accounting Standards

14. Recently Issued Accounting Standards

In May 2014, the Financial Accounting Standards Board (“FASB”) issued an accounting standards update to provide guidance on the recognition of revenue from customers.  Under this guidance, an entity will recognize revenue when it transfers promised goods or services to customers in an amount that reflects what it expects in exchange for the goods or services.  This guidance also requires more detailed disclosures to enable users of the financial statements to understand the nature, amount, timing and uncertainty, if any, of revenue and cash flows arising from contracts with customers.  The requirements in this update are effective during interim and annual periods beginning after December 15, 2017.  The Company has identified and reviewed revenue streams and is in the process of performing a detailed analysis of a subset of contracts representative of the revenue streams.  At this time, the Company expects to adopt this new revenue guidance utilizing the modified retrospective method of adoption in the first quarter of 2018.  The Company is currently evaluating the impact that the new revenue standard will have on its consolidated financial statements upon adoption.

In February 2016, the FASB issued an accounting standards update to provide guidance for the accounting for leasing transactions.  The standard requires the lessee to recognize a lease liability along with a right-of-use asset for all leases with a term longer than one year.  A lessee is permitted to make an accounting policy election by class of underlying asset to not recognize the lease liability and related right-of-use asset for leases with a term of one year or less.  The provisions of this standard also apply to situations where the Company is the lessor and will require the Company to separate lease components from non-lease components within a contract.  The requirements in this update are effective during interim and annual periods beginning after December 15, 2018. The Company previously disclosed its intention to adopt this standard at the same time as it adopts the new revenue standard discussed above; however, the Company now expects to adopt this new guidance in the first quarter of 2019.  The Company is currently evaluating the impact that this new guidance will have on its consolidated financial statements.

In November 2015, the FASB issued an accounting standards update to provide guidance for the presentation of deferred tax liabilities and assets.  Under this guidance, for a particular tax-paying component of an entity and within a particular tax jurisdiction, all deferred tax liabilities and assets, as well as any related valuation allowance, shall be offset and presented as a single noncurrent amount. This guidance became effective for the Company during the three months ended March 31, 2017. The adoption of this update was applied retrospectively, resulting in the reclassification of $36.4 million from current deferred tax assets as of December 31, 2016.  Of this amount, $4.1 million was reclassified to long-term deferred tax assets and $32.3 million was reclassified to long-term deferred tax liabilities.

In March 2016, the FASB issued an accounting standards update to provide guidance for the accounting for share-based payment transactions, including the related income tax consequences, classification of awards as either equity or liabilities, and classification on the statement of cash flows.  This guidance became effective for the Company during the three months ended March 31, 2017.  The Company believes this guidance has caused and will continue to cause volatility in its effective tax rates and diluted earnings per share due to the tax effects related to share-based payments being recorded in the statement of operations.  The volatility in future periods will depend on the Company’s stock price and the number of shares that vest in the case of restricted stock, restricted stock units and performance stock units, or the number of shares that are exercised in the case of stock options.  

In August 2016, the FASB issued an accounting standards update to clarify the presentation of cash receipts and payments in specific situations on the statement of cash flows.  The requirements in this update are effective during interim and annual periods in fiscal years beginning after December 15, 2017.  The adoption of this update is not expected to have a material impact on the Company’s consolidated financial statements.

In January 2017, the FASB issued an accounting standards update to eliminate Step 2 from the goodwill impairment test.  An entity will now perform its annual or interim goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount.  An entity should recognize an impairment charge for the amount by which the carrying amount exceeds the reporting unit’s fair value, but the loss recognized should not exceed the total amount of goodwill allocated to that reporting unit.  The requirements in this update are effective during interim and annual periods in fiscal years beginning after December 15, 2019.  Early adoption is permitted for interim or annual goodwill impairment tests performed on testing dates on or after January 1, 2017.  The Company adopted this update in 2017, which did not have a material impact on the Company’s consolidated financial statements.

In May 2017, the FASB issued an accounting standards update that provided clarity on which changes to the terms or conditions of share-based payment awards require an entity to apply modification accounting provisions.  The requirements in this update are effective during interim and annual periods in fiscal years beginning after December 15, 2017.  The adoption of this update is not expected to have a material impact on the Company’s consolidated financial statements.

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Basis of Consolidation and Presentation (Tables)

9 Months Ended

Sep. 30, 2017

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Calculation of Basic and Diluted Net Loss per Share

The following table presents information necessary to calculate net loss per share for the three and nine months ended September 30, 2017 and 2016 as well as potentially dilutive securities excluded from the weighted average number of diluted common shares outstanding because their inclusion would have been anti-dilutive (in thousands, except per share amounts):

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2017			2016			2017			2016
BASIC EPS:
Net loss attributed to common stockholders	$	(33,769	)	$	(84,143	)	$	(189,492	)	$	(240,512	)
Weighted average number of common shares outstanding, excluding    non-vested shares of restricted stock		211,875			146,326			191,237			146,014
Basic net loss per common share	$	(0.16	)	$	(0.58	)	$	(0.99	)	$	(1.65	)
DILUTED EPS:
Net loss attributed to common stockholders	$	(33,769	)	$	(84,143	)	$	(189,492	)	$	(240,512	)
Weighted average number of common shares outstanding, excluding    non-vested shares of restricted stock		211,875			146,326			191,237			146,014
Add dilutive effect of potential common shares		—			—			—			—
Weighted average number of diluted common shares outstanding		211,875			146,326			191,237			146,014
Diluted net loss per common share	$	(0.16	)	$	(0.58	)	$	(0.99	)	$	(1.65	)
Potentially dilutive securities excluded as anti-dilutive		9,973			9,141			9,973			9,141

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Acquisitions (Tables)

9 Months Ended

Sep. 30, 2017

Business Combinations [Abstract]

Total Fair Value of Consideration Transferred

The total fair value of the consideration transferred was determined as follows (in thousands, except stock price):

Shares of Company common stock issued to SSE shareholders		46,298
Company common stock price on April 20, 2017	$	22.45
Fair value of common stock issued	$	1,039,396
Plus SSE long-term debt repaid by Company	$	472,000
Total fair value of consideration transferred	$	1,511,396

Schedule of Total Purchase Price of Assets Acquired and Liabilities Assumed Based on Fair Value

The final determination of the fair value of assets acquired and liabilities assumed at the merger date will be completed as soon as possible, but no later than one year from the merger date (the “measurement period”).  The Company’s preliminary purchase price allocation is subject to revision as additional information about the fair value of assets and liabilities becomes available.  Additional information that existed as of the merger date, but at the time was unknown to the Company, may become known to the Company during the remainder of the measurement period.  The final determination of fair value may differ materially from these preliminary estimates.  The following table represents the preliminary allocation of the total purchase price of SSE to the assets acquired and the liabilities assumed based on the fair value at the merger date, with the excess of the purchase price over the estimated fair value of the identifiable net assets acquired recorded as goodwill (in thousands):  

Identifiable assets acquired
Cash and cash equivalents	$	37,806
Accounts receivable		149,598
Inventory		8,036
Other current assets		19,250
Property and equipment		984,430
Other long-term assets		14,546
Intangible assets		22,500
Total identifiable assets acquired		1,236,166
Liabilities assumed
Accounts payable and accrued liabilities		130,100
Deferred income taxes		31,402
Other long-term liabilities		1,734
Total liabilities assumed		163,236
Net identifiable assets acquired		1,072,930
Goodwill		438,466
Total net assets acquired	$	1,511,396

Portion of Fair Value Consideration Transferred Provisionally Assigned to Identifiable Intangible Assets

A portion of the fair value consideration transferred has been provisionally assigned to identifiable intangible assets as follows:

	Fair Value		Weighted Average Useful Life
	(in thousands)		(in years)
Assets
Favorable drilling contracts	$	22,500	1

Summary of Selected Financial Information of the Company on a Pro Forma Basis

The following table summarizes selected financial information of the Company on a pro forma basis (in thousands, except per share data):

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2017			2016			2017			2016
Revenues	$	684,989		$	326,227		$	1,811,903		$	1,082,554
Net loss		(27,627	)		(117,185	)		(189,098	)		(346,481	)
Loss per share		(0.13	)		(0.56	)		(0.89	)		(1.65	)

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Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2017

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Weighted-Average Assumptions Used to Estimate Grant Date Fair Values for Stock Options Granted

Weighted-average assumptions used to estimate the grant date fair values for stock options granted for the three and nine month periods ended September 30, 2016 follow:

	Three Months Ended			Nine Months Ended
	September 30,			September 30,
	2016			2016
Volatility		34.87	%		35.11	%
Expected term (in years)		5.00			5.00
Dividend yield		0.42	%		2.05	%
Risk-free interest rate		1.20	%		1.40	%

Stock Option Activity

Stock option activity from January 1, 2017 to September 30, 2017 follows:

				Weighted
				Average
	Underlying			Exercise Price
	Shares			Per Share
Outstanding at January 1, 2017		6,687,150		$	20.68
Exercised		(10,000	)	$	22.29
Expired		(600,000	)	$	24.17
Outstanding at September 30, 2017		6,077,150		$	20.34
Exercisable at September 30, 2017		5,421,310		$	20.50

Restricted Stock Activity

Restricted stock activity from January 1, 2017 to September 30, 2017 follows:

				Weighted
				Average Grant
				Date Fair Value
	Shares			Per Share
Non-vested restricted stock outstanding at January 1, 2017		1,427,455		$	22.26
Granted		890,904		$	21.78
Vested		(724,626	)	$	23.62
Forfeited		(16,003	)	$	22.80
Non-vested restricted stock outstanding at September 30, 2017		1,577,730		$	21.36

Restricted Stock Unit Activity

Restricted stock unit activity from January 1, 2017 to September 30, 2017 follows:

				Weighted
				Average Grant
				Date Fair Value
	Shares			Per Share
Non-vested restricted stock units outstanding at January 1, 2017		191,655		$	19.85
Granted		1,090,292		$	19.75
Assumed (1)		505,551		$	22.45
Vested		(549,451	)	$	22.24
Forfeited		(38,374	)	$	21.61
Non-vested restricted stock units outstanding at September 30, 2017		1,199,673		$	19.71

(1) Restricted stock unit awards under the Seventy Seven Energy Inc. 2016 Omnibus Incentive Plan, which was adopted, assumed, amended and renamed by the Company in connection with the SSE merger.  No additional awards will be made under this plan.  

Performance Units

The total target number of shares with respect to the Performance Units for the awards in 2013-2017 is set forth below:

	2017		2016		2015		2014		2013
	Performance		Performance		Performance		Performance		Performance
	Unit Awards		Unit Awards		Unit Awards		Unit Awards		Unit Awards
Target number of shares		186,198		185,000		190,600		154,000		236,500

Fair Value of Performance Units

The fair value of the Performance Units is set forth below (in thousands):

	2017		2016		2015		2014		2013
	Performance		Performance		Performance		Performance		Performance
	Unit Awards		Unit Awards		Unit Awards		Unit Awards		Unit Awards
Fair value at date of grant	$	5,780	$	3,854	$	4,052	$	5,388	$	5,564

Compensation Expense Associated with Performance Units

These fair value amounts are charged to expense on a straight-line basis over the performance period. Compensation expense associated with the Performance Units is shown below (in thousands):

	2017		2016		2015		2014		2013
	Performance		Performance		Performance		Performance		Performance
	Unit Awards		Unit Awards		Unit Awards		Unit Awards		Unit Awards
Three months ended September 30, 2017	$	482	$	321	$	338	NA		NA
Three months ended September 30, 2016	NA		$	321	$	338	$	449	NA
Nine months ended September 30, 2017	$	803	$	963	$	1,013	$	449	NA
Nine months ended September 30, 2016	NA		$	642	$	1,013	$	1,347	$	464

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Inventory (Tables)

9 Months Ended

Sep. 30, 2017

Inventory Disclosure [Abstract]

Inventory

Inventory consisted of the following at September 30, 2017 and December 31, 2016 (in thousands):

	September 30,		December 31,
	2017		2016
Finished goods	$	1,332	$	—
Work-in-process		3,910		1,803
Raw materials and supplies		35,430		18,388
Inventory	$	40,672	$	20,191

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Property and Equipment (Tables)

9 Months Ended

Sep. 30, 2017

Property Plant And Equipment [Abstract]

Property and Equipment

Property and equipment consisted of the following at September 30, 2017 and December 31, 2016 (in thousands):

	September 30,			December 31,
	2017			2016
Equipment	$	7,882,765		$	6,809,129
Oil and natural gas properties		209,912			201,568
Buildings		186,452			97,029
Land		26,630			22,270
Total property and equipment		8,305,759			7,129,996
Less accumulated depreciation, depletion and impairment		(4,107,474	)		(3,721,033	)
Property and equipment, net	$	4,198,285		$	3,408,963

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Business Segments (Tables)

9 Months Ended

Sep. 30, 2017

Segment Reporting [Abstract]

Business Segments - Financial Information

The following tables summarize selected financial information relating to the Company’s business segments (in thousands):

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2017			2016			2017			2016
Revenues:
Contract drilling	$	301,954		$	123,863		$	731,496		$	407,855
Pressure pumping		362,441			78,165			793,659			248,428
Other operations (a)		22,832			4,284			48,092			12,973
Elimination of intercompany revenues (b)		(2,238	)		(179	)		(3,897	)		(277	)
Total revenues	$	684,989		$	206,133		$	1,569,350		$	668,979
Income (loss) before income taxes:
Contract drilling	$	(20,397	)	$	(67,786	)	$	(155,465	)	$	(173,331	)
Pressure pumping		16,841			(46,569	)		(1,414	)		(136,553	)
Other operations		(6,516	)		228			(13,030	)		(2,263	)
Corporate		(31,735	)		(13,400	)		(119,483	)		(41,138	)
Other operating income, net (c)		3,791			4,118			18,501			10,285
Interest income		101			63			1,149			273
Interest expense		(9,584	)		(10,244	)		(26,929	)		(31,722	)
Other		78			19			226			52
Loss before income taxes	$	(47,421	)	$	(133,571	)	$	(296,445	)	$	(374,397	)
Depreciation, depletion, amortization and impairment
Contract drilling	$	133,603		$	115,652		$	405,576		$	357,153
Pressure pumping		51,274			44,587			141,329			141,557
Other operations		9,534			1,856			19,826			8,393
Corporate		2,231			1,369			5,456			4,106
Total depreciation, depletion, amortization and impairment	$	196,642		$	163,464		$	572,187		$	511,209
Capital expenditures
Contract drilling	$	106,879		$	17,551		$	222,426		$	46,001
Pressure pumping		27,230			8,330			85,423			27,662
Other operations		8,647			2,401			21,016			5,621
Corporate		305			395			986			1,227
Total capital expenditures	$	143,061		$	28,677		$	329,851		$	80,511

	September 30,		December 31,
	2017		2016
Identifiable assets:
Contract drilling	$	3,950,748	$	3,032,819
Pressure pumping		1,227,384		653,630
Other operations		166,900		48,885
Corporate (d)		127,943		36,957
Total assets	$	5,472,975	$	3,772,291

(a) Other operations includes the Company’s oilfield rental tools business, pipe handling components and related technology business, the oil and natural gas working interests and the Middle East/North Africa activities.

(b) For 2016, intercompany revenues consists of contract drilling intercompany revenues for services provided to other operations. For 2017, intercompany revenues also includes revenues from other operations for services provided to contract drilling, pressure pumping and within other operations.

(c) Other operating income includes net gains associated with the disposal of assets related to corporate strategy decisions of the executive management group.  Accordingly, the related gains have been excluded from the operating results of specific segments.  This caption also includes expenses related to certain legal settlements net of insurance reimbursements.  

(d) Corporate assets primarily include cash on hand and certain property and equipment.

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Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2017

Goodwill And Intangible Assets Disclosure [Abstract]

Goodwill by Operating Segment

Goodwill — Goodwill by operating segment as of September 30, 2017 and changes for the nine months then ended are as follows (in thousands):

	Contract		Pressure
	Drilling		Pumping		Total
Balance at beginning of period	$	86,234	$	—	$	86,234
Goodwill acquired		300,819		137,647		438,466
Balance at end of period	$	387,053	$	137,647	$	524,700

Gross Carrying Amount and Accumulated Amortization of Intangible Assets

Intangible Assets — The following table presents the gross carrying amount and accumulated amortization of the intangible assets as of September 30, 2017 and December 31, 2016 (in thousands):

	September 30, 2017							December 31, 2016
	Gross					Net		Gross					Net
	Carrying		Accumulated			Carrying		Carrying		Accumulated			Carrying
	Amount		Amortization			Amount		Amount		Amortization			Amount
Customer relationships	$	25,500	$	(25,500	)	$	—	$	25,500	$	(22,768	)	$	2,732
Favorable drilling contracts		22,500		(13,518	)		8,982		—		—			—
	$	48,000	$	(39,018	)	$	8,982	$	25,500	$	(22,768	)	$	2,732

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Accrued Expenses (Tables)

9 Months Ended

Sep. 30, 2017

Payables And Accruals [Abstract]

Summary of Accrued Expenses

Accrued expenses consisted of the following at September 30, 2017 and December 31, 2016 (in thousands):

	September 30,		December 31,
	2017		2016
Salaries, wages, payroll taxes and benefits	$	56,777	$	21,138
Workers' compensation liability		82,509		67,775
Property, sales, use and other taxes		29,382		6,766
Insurance, other than workers' compensation		10,881		9,566
Accrued interest payable		14,091		6,740
Accrued merger and integration		20,538		—
Other		31,648		27,163
Total	$	245,826	$	139,148

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Long Term Debt (Tables)

9 Months Ended

Sep. 30, 2017

Debt Disclosure [Abstract]

Schedule of Principal Repayment Requirements of Long Term Debt

Presented below is a schedule of the principal repayment requirements of long-term debt as of September 30, 2017 (in thousands):

Year ending December 31,
2017	$	—
2018		—
2019		144,000
2020		300,000
2021		—
Thereafter		300,000
Total	$	744,000

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Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2017

Equity [Abstract]

Cash Dividends

Cash Dividends — The Company paid cash dividends during the nine months ended September 30, 2017 and 2016 as follows:

2017:	Per Share		Total
			(in thousands)
Paid on March 22, 2017	$	0.02	$	3,326
Paid on June 22, 2017		0.02		4,269
Paid on September 21, 2017		0.02		4,271
Total cash dividends	$	0.06	$	11,866

2016:	Per Share		Total
			(in thousands)
Paid on March 24, 2016	$	0.10	$	14,712
Paid on June 23, 2016		0.02		2,953
Paid on September 22, 2016		0.02		2,953
Total cash dividends	$	0.14	$	20,618

Treasury Stock Acquisition

Treasury stock acquisitions during the nine months ended September 30, 2017 were as follows (dollars in thousands):

	Shares		Cost
Treasury shares at beginning of period		43,392,617	$	911,094
Purchases pursuant to stock buyback program		5,503		109
Acquisitions pursuant to long-term incentive plan		377,851		6,923
Treasury shares at end of period		43,775,971	$	918,126

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Fair Values of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2017

Fair Value Disclosures [Abstract]

Estimated Fair Value of Outstanding Debt Balances

The estimated fair value of the Company’s outstanding debt balances as of September 30, 2017 and December 31, 2016 is set forth below (in thousands):

	September 30, 2017				December 31, 2016
	Carrying		Fair		Carrying		Fair
	Value		Value		Value		Value
4.97% Series A Senior Notes	$	300,000	$	305,440	$	300,000	$	283,534
4.27% Series B Senior Notes		300,000		296,172		300,000		263,194
Total debt	$	600,000	$	601,612	$	600,000	$	546,728

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Basis of Consolidation and Presentation - Additional Information (Detail) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Basis of Consolidation and Presentation [Line Items]
Current deferred tax assets		$ 36.4
Long-term deferred tax assets		4.1
Long-term deferred tax liabilities		$ 32.3
Seventy Seven Energy Inc.
Basis of Consolidation and Presentation [Line Items]
Merger date	Apr. 20, 2017

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Calculation of Basic and Diluted Net Loss per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
BASIC EPS:
Net loss attributed to common stockholders	$ (33,769)	$ (84,143)	$ (189,492)	$ (240,512)
Weighted average number of common shares outstanding, excluding non-vested shares of restricted stock	211,875	146,326	191,237	146,014
Basic net loss per common share	$ (0.16)	$ (0.58)	$ (0.99)	$ (1.65)
DILUTED EPS:
Net loss attributed to common stockholders	$ (33,769)	$ (84,143)	$ (189,492)	$ (240,512)
Weighted average number of common shares outstanding, excluding non-vested shares of restricted stock	211,875	146,326	191,237	146,014
Weighted average number of diluted common shares outstanding	211,875	146,326	191,237	146,014
Diluted net loss per common share	$ (0.16)	$ (0.58)	$ (0.99)	$ (1.65)
Potentially dilutive securities excluded as anti-dilutive	9,973	9,141	9,973	9,141

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Acquisitions - Additional Information (Detail)			3 Months Ended	9 Months Ended
	Oct. 11, 2017 USD ($) shares	Apr. 20, 2017 USD ($) Rigs hp shares	Sep. 30, 2017 USD ($)	Sep. 30, 2017 USD ($)	Dec. 31, 2016 USD ($)
Business Acquisition [Line Items]
Merger and integration related costs			$ 9,449,000	$ 65,798,000
Seventy Seven Energy Inc.
Business Acquisition [Line Items]
Shares of common stock exchange in business acquisition | shares		46,298,000
Repayment of outstanding debt		$ 472,000,000
Merger date				Apr. 20, 2017
Total fair value of the consideration transferred		$ 1,511,396,000
Number of drilling rigs acquired | Rigs		91
Number of horsepower of modern, efficient fracturing equipment | hp		500,000
Goodwill deductible for tax purposes		$ 0
Merger and integration related costs				$ 36,700,000
Assets acquired and liabilities assumed, total assets		1,236,166,000
Assets acquired and liabilities assumed, accounts receivable		149,598,000
Assets acquired and liabilities assumed, inventory		8,036,000
Assets acquired and liabilities assumed, property and equipment		984,430,000
Assets acquired and liabilities assumed, other assets		$ 14,546,000
Seventy Seven Energy Inc. | APEX Class Rigs
Business Acquisition [Line Items]
Number of rigs | Rigs		36
MS Directional
Business Acquisition [Line Items]
Shares of common stock exchange in business acquisition | shares	8,798,391
Merger date				Oct. 11, 2017
Total fair value of the consideration transferred	$ 262,000,000
Aggregate consideration to be paid by the company	$ 75,000,000
Business acquisition, description of acquired entity				MS Directional is a leading directional drilling services company in the United States, with operations in most major producing onshore oil and gas basins. MS Directional provides a comprehensive suite of directional drilling services, including directional drilling, downhole performance motors, directional surveying, measurement while drilling, and wireline steering tools.
Assets acquired and liabilities assumed, total assets					$ 104,000,000
Assets acquired and liabilities assumed, accounts receivable					21,400,000
Assets acquired and liabilities assumed, inventory					23,900,000
Assets acquired and liabilities assumed, property and equipment					53,800,000
Assets acquired and liabilities assumed, other assets					$ 4,900,000

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Total Fair Value of Consideration Transferred (Detail) - Seventy Seven Energy Inc. $ / shares in Units, shares in Thousands, $ in Thousands	Apr. 20, 2017 USD ($) $ / shares shares
Business Acquisition [Line Items]
Shares of Company common stock issued to SSE shareholders | shares	46,298
Company common stock price on April 20, 2017 | $ / shares	$ 22.45
Fair value of common stock issued	$ 1,039,396
Plus SSE long-term debt repaid by Company	472,000
Total fair value of consideration transferred	$ 1,511,396

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Schedule of Total Purchase Price of Assets Acquired and Liabilities Assumed Based on Fair Value (Detail) - USD ($) $ in Thousands	Sep. 30, 2017	Apr. 20, 2017	Dec. 31, 2016
Liabilities assumed
Goodwill	$ 524,700		$ 86,234
Seventy Seven Energy Inc.
Identifiable assets acquired
Cash and cash equivalents		$ 37,806
Accounts receivable		149,598
Inventory		8,036
Other current assets		19,250
Property and equipment		984,430
Other long-term assets		14,546
Intangible assets		22,500
Total identifiable assets acquired		1,236,166
Liabilities assumed
Accounts payable and accrued liabilities		130,100
Deferred income taxes		31,402
Other long-term liabilities		1,734
Total liabilities assumed		163,236
Net identifiable assets acquired		1,072,930
Goodwill		438,466
Total net assets acquired		$ 1,511,396

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Portion of Fair Value Consideration Transferred Provisionally Assigned to Identifiable Intangible Assets (Detail) - Seventy Seven Energy Inc. $ in Thousands	Apr. 20, 2017 USD ($)
Business Acquisition [Line Items]
Fair Value, Assets, Portion of the fair value consideration transferred	$ 22,500
Favorable Drilling Contracts
Business Acquisition [Line Items]
Fair Value, Assets, Portion of the fair value consideration transferred	$ 22,500
Weighted Average Useful Life, Identifiable intangible assets	1 year

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Summary of Selected Financial Information of the Company on a Pro Forma Basis (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Business Acquisition Pro Forma Information [Abstract]
Revenues	$ 684,989	$ 326,227	$ 1,811,903	$ 1,082,554
Net loss	$ (27,627)	$ (117,185)	$ (189,098)	$ (346,481)
Loss per share	$ (0.13)	$ (0.56)	$ (0.89)	$ (1.65)

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Stock-based Compensation - Additional Information (Detail) - shares	3 Months Ended	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2017	Jun. 29, 2017
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of stock option granted	0	0
Performance Units Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance period		3 years
Basis of annual percentage exceeds		18.00%
Performance Units Awards | Condition One [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award description		Generally, the recipients will receive a target number of shares if the Company’s total shareholder return during the performance period, when compared to the peer group, is at the 50th percentile. If the Company’s total shareholder return during the performance period, when compared to the peer group, is at the 75th percentile or higher, then the recipients will receive two times the target number of shares.
Performance Units Awards | Condition Two [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award description		if, during the two-year period ending March 31, 2018, the Company’s total shareholder return for any 30 consecutive day period equals or exceeds 18 percent on an annualized basis from April 1, 2013 through the last day of such 30 consecutive day period, and the recipient is actively employed by the Company through the last day of the extended performance period, then the Company will issue to the recipient the number of shares equal to the amount the recipient would have been entitled to receive had the Company’s total shareholder return been positive during the initial three-year performance period.
Amended and Restated Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares available for future issuance			10,049,156
Shares authorized for grant			18,900,000
Patterson-UTI Energy, Inc. 2014 Long-Term Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares authorized for grant			9,100,000

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Weighted-Average Assumptions Used to Estimate Grant Date Fair Values for Stock Options Granted (Detail) - Employee Stock Option	3 Months Ended	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Volatility	34.87%	35.11%
Expected term (in years)	5 years	5 years
Dividend yield	0.42%	2.05%
Risk-free interest rate	1.20%	1.40%

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Stock Option Activity (Detail)	9 Months Ended
	Sep. 30, 2017 $ / shares shares
Underlying Shares
Outstanding at beginning of period | shares	6,687,150
Exercised | shares	(10,000)
Expired | shares	(600,000)
Outstanding at end of period | shares	6,077,150
Exercisable at end of year | shares	5,421,310
Weighted Average Exercise Price Per Share
Outstanding at beginning of period | $ / shares	$ 20.68
Exercised | $ / shares	22.29
Expired | $ / shares	24.17
Outstanding at end of period | $ / shares	20.34
Exercisable at end of year | $ / shares	$ 20.50

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Restricted Stock Activity (Detail) - Restricted Stock Awards	9 Months Ended
	Sep. 30, 2017 $ / shares shares
Shares
Outstanding at beginning of period | shares	1,427,455
Granted | shares	890,904
Vested | shares	(724,626)
Forfeited | shares	(16,003)
Outstanding at end of period | shares	1,577,730
Weighted Average Grant Date Fair Value Per Share
Outstanding at beginning of period | $ / shares	$ 22.26
Granted | $ / shares	21.78
Vested | $ / shares	23.62
Forfeited | $ / shares	22.80
Outstanding at end of period | $ / shares	$ 21.36

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Restricted Stock Unit Activity (Detail) - Restricted Stock Units (RSUs)	9 Months Ended
	Sep. 30, 2017 $ / shares shares
Shares
Outstanding at beginning of period | shares	191,655
Granted | shares	1,090,292
Assumed | shares	505,551	[1]
Vested | shares	(549,451)
Forfeited | shares	(38,374)
Outstanding at end of period | shares	1,199,673
Weighted Average Grant Date Fair Value Per Share
Outstanding at beginning of period | $ / shares	$ 19.85
Granted | $ / shares	19.75
Assumed | $ / shares	22.45	[1]
Vested | $ / shares	22.24
Forfeited | $ / shares	21.61
Outstanding at end of period | $ / shares	$ 19.71

[1] Restricted stock unit awards under the Seventy Seven Energy Inc. 2016 Omnibus Incentive Plan, which was adopted, assumed, amended and renamed by the Company in connection with the SSE merger. No additional awards will be made under this plan.

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Performance Units (Detail)	9 Months Ended
	Sep. 30, 2017 shares
2017
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Target number of shares	186,198
2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Target number of shares	185,000
2015
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Target number of shares	190,600
2014
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Target number of shares	154,000
2013
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Target number of shares	236,500

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Fair Value of Performance Units (Detail) - Performance Units Awards $ in Thousands	9 Months Ended
	Sep. 30, 2017 USD ($)
2017
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Fair value at date of grant	$ 5,780
2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Fair value at date of grant	3,854
2015
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Fair value at date of grant	4,052
2014
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Fair value at date of grant	5,388
2013
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Fair value at date of grant	$ 5,564

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Compensation Expense Associated with Performance Units (Detail) - Performance Units Awards - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
2017
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense associated with Performance Units	$ 482		$ 803
2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense associated with Performance Units	321	$ 321	963	$ 642
2015
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense associated with Performance Units	$ 338	338	1,013	1,013
2014
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense associated with Performance Units		$ 449	$ 449	1,347
2013
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense associated with Performance Units				$ 464

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Inventory (Detail) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Inventory Net [Abstract]
Finished goods	$ 1,332
Work-in-process	3,910	$ 1,803
Raw materials and supplies	35,430	18,388
Inventory	$ 40,672	$ 20,191

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Property and Equipment (Detail) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Property Plant And Equipment [Line Items]
Total property and equipment	$ 8,305,759	$ 7,129,996
Less accumulated depreciation, depletion and impairment	(4,107,474)	(3,721,033)
Property and equipment, net	4,198,285	3,408,963
Equipment
Property Plant And Equipment [Line Items]
Total property and equipment	7,882,765	6,809,129
Oil and natural gas properties
Property Plant And Equipment [Line Items]
Total property and equipment	209,912	201,568
Buildings
Property Plant And Equipment [Line Items]
Total property and equipment	186,452	97,029
Land
Property Plant And Equipment [Line Items]
Total property and equipment	$ 26,630	$ 22,270

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Property and Equipment - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Jun. 30, 2017	Sep. 30, 2017
Property Plant And Equipment [Line Items]
Impairment expense related to oil and natural gas properties	$ 1.3		$ 3.5
Drilling Rigs That Would No Longer Be Marketed As Rigs
Property Plant And Equipment [Line Items]
Impairment charge for the write-down of drilling equipment		$ 29.0

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Business Segments - Additional Information (Detail)	9 Months Ended
	Sep. 30, 2017 Segment
Segment Reporting [Abstract]
Number of reportable business segments	2

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Business Segments - Revenues (Detail) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting Revenue Reconciling Item [Line Items]
Total revenues		$ 684,989	$ 206,133	$ 1,569,350	$ 668,979
Other Operations
Segment Reporting Revenue Reconciling Item [Line Items]
Total revenues	[1]	22,832	4,284	48,092	12,973
Operating Segments | Contract Drilling
Segment Reporting Revenue Reconciling Item [Line Items]
Total revenues		301,954	123,863	731,496	407,855
Operating Segments | Pressure Pumping
Segment Reporting Revenue Reconciling Item [Line Items]
Total revenues		362,441	78,165	793,659	248,428
Intersegment Elimination
Segment Reporting Revenue Reconciling Item [Line Items]
Total revenues	[2]	$ (2,238)	$ (179)	$ (3,897)	$ (277)

[1] Other operations includes the Company’s oilfield rental tools business, pipe handling components and related technology business, the oil and natural gas working interests and the Middle East/North Africa activities.

[2] For 2016, intercompany revenues consists of contract drilling intercompany revenues for services provided to other operations. For 2017, intercompany revenues also includes revenues from other operations for services provided to contract drilling, pressure pumping and within other operations.

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Business Segments - Income (Loss) from Continuing Operations Before Income Taxes (Detail) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Operating income (loss)		$ (38,016)	$ (123,409)	$ (270,891)	$ (343,000)
Other operating income, net	[1]	3,791	4,118	18,501	10,285
Interest income		101	63	1,149	273
Interest expense		(9,584)	(10,244)	(26,929)	(31,722)
Other		78	19	226	52
Loss before income taxes		(47,421)	(133,571)	(296,445)	(374,397)
Other Operations
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Operating income (loss)		(6,516)	228	(13,030)	(2,263)
Corporate
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Operating income (loss)		(31,735)	(13,400)	(119,483)	(41,138)
Operating Segments | Contract Drilling
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Operating income (loss)		(20,397)	(67,786)	(155,465)	(173,331)
Operating Segments | Pressure Pumping
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Operating income (loss)		$ 16,841	$ (46,569)	$ (1,414)	$ (136,553)

[1] Other operating income includes net gains associated with the disposal of assets related to corporate strategy decisions of the executive management group. Accordingly, the related gains have been excluded from the operating results of specific segments. This caption also includes expenses related to certain legal settlements net of insurance reimbursements.

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Business Segments - Depreciation, Amortization and Impairment (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting Information [Line Items]
Depreciation, depletion, amortization and impairment	$ 196,642	$ 163,464	$ 572,187	$ 511,209
Other Operations
Segment Reporting Information [Line Items]
Depreciation, depletion, amortization and impairment	9,534	1,856	19,826	8,393
Corporate
Segment Reporting Information [Line Items]
Depreciation, depletion, amortization and impairment	2,231	1,369	5,456	4,106
Operating Segments | Contract Drilling
Segment Reporting Information [Line Items]
Depreciation, depletion, amortization and impairment	133,603	115,652	405,576	357,153
Operating Segments | Pressure Pumping
Segment Reporting Information [Line Items]
Depreciation, depletion, amortization and impairment	$ 51,274	$ 44,587	$ 141,329	$ 141,557

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Business Segments - Capital Expenditures (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting Information [Line Items]
Capital expenditures	$ 143,061	$ 28,677	$ 329,851	$ 80,511
Other Operations
Segment Reporting Information [Line Items]
Capital expenditures	8,647	2,401	21,016	5,621
Corporate
Segment Reporting Information [Line Items]
Capital expenditures	305	395	986	1,227
Operating Segments | Contract Drilling
Segment Reporting Information [Line Items]
Capital expenditures	106,879	17,551	222,426	46,001
Operating Segments | Pressure Pumping
Segment Reporting Information [Line Items]
Capital expenditures	$ 27,230	$ 8,330	$ 85,423	$ 27,662

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Business Segments - Assets (Detail) - USD ($) $ in Thousands		Sep. 30, 2017	Dec. 31, 2016
Segment Reporting Asset Reconciling Item [Line Items]
Total assets		$ 5,472,975	$ 3,772,291
Other Operations
Segment Reporting Asset Reconciling Item [Line Items]
Total assets		166,900	48,885
Corporate
Segment Reporting Asset Reconciling Item [Line Items]
Total assets	[1]	127,943	36,957
Operating Segments | Contract Drilling
Segment Reporting Asset Reconciling Item [Line Items]
Total assets		3,950,748	3,032,819
Operating Segments | Pressure Pumping
Segment Reporting Asset Reconciling Item [Line Items]
Total assets		$ 1,227,384	$ 653,630

[1] Corporate assets primarily include cash on hand and certain property and equipment.

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Goodwill by Operating Segment (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2017 USD ($)
Goodwill [Line Items]
Balance at beginning of period	$ 86,234
Goodwill acquired	438,466
Balance at end of period	524,700
Contract Drilling
Goodwill [Line Items]
Balance at beginning of period	86,234
Goodwill acquired	300,819
Balance at end of period	387,053
Pressure Pumping
Goodwill [Line Items]
Goodwill acquired	137,647
Balance at end of period	$ 137,647

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Goodwill and Intangible Assets - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Goodwill And Intangible Assets Disclosure [Abstract]
Accumulated impairment losses	$ 0		$ 0		$ 0
Amortization expense on intangible assets	$ 6,600,000	$ 911,000	$ 16,300,000	$ 2,700,000

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Gross Carrying Amount and Accumulated Amortization of Intangible Assets (Detail) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 48,000	$ 25,500
Accumulated Amortization	(39,018)	(22,768)
Net Carrying Amount	8,982	2,732
Customer Relationships
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	25,500	25,500
Accumulated Amortization	(25,500)	(22,768)
Net Carrying Amount		$ 2,732
Favorable Drilling Contracts
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	22,500
Accumulated Amortization	(13,518)
Net Carrying Amount	$ 8,982

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Summary of Accrued Expenses (Detail) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Payables And Accruals [Abstract]
Salaries, wages, payroll taxes and benefits	$ 56,777	$ 21,138
Workers' compensation liability	82,509	67,775
Property, sales, use and other taxes	29,382	6,766
Insurance, other than workers' compensation	10,881	9,566
Accrued interest payable	14,091	6,740
Accrued merger and integration	20,538
Other	31,648	27,163
Accrued expenses	$ 245,826	$ 139,148

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Long Term Debt - Credit Facilities - Additional Information (Detail)			9 Months Ended
	Jul. 08, 2016 USD ($)	Mar. 16, 2015	Sep. 30, 2017 USD ($) Covenant	Oct. 27, 2017 USD ($)	Jul. 01, 2017	Apr. 20, 2017 USD ($)	Jan. 24, 2017 USD ($)	Dec. 31, 2016 USD ($)
Debt Instrument [Line Items]
Debt maturity date			Sep. 27, 2017
Total assets			$ 5,472,975,000					$ 3,772,291,000
Letters of credit outstanding			59,500,000
Maximum | Subsidiaries
Debt Instrument [Line Items]
Total assets			1,000,000
Letter of Credit
Debt Instrument [Line Items]
Line of credit, amount outstanding			$ 0
Credit Agreement
Debt Instrument [Line Items]
Credit agreement date			Sep. 27, 2012
Commitment fee payable to the lenders for the unused portion of the revolving credit facility			0.50%
Credit agreement, financial covenant description			The Company must not permit its debt to capitalization ratio to exceed 40%. The Credit Agreement generally defines the debt to capitalization ratio as the ratio of (a) total borrowed money indebtedness to (b) the sum of such indebtedness plus consolidated net worth, with consolidated net worth determined as of the last day of the most recently ended fiscal quarter. The Company also must not permit its interest coverage ratio as of the last day of a fiscal quarter to be less than 3.00 to 1.00. The Credit Agreement generally defines the interest coverage ratio as the ratio of earnings before interest, taxes, depreciation and amortization (“EBITDA”) of the four prior fiscal quarters to interest charges for the same period. The Company was in compliance with these covenants at September 30, 2017
Credit agreement, financial covenant compliance			The Company was in compliance with these covenants
Number of compliance covenants | Covenant			2
Maximum percentage allowed to invest in foreign subsidiaries or joint ventures on book value basis	20.00%
Maximum cash balance allowed	$ 100,000,000
Credit Agreement | Minimum
Debt Instrument [Line Items]
Interest coverage ratio that the Company must exceed on the last day of the fiscal quarter			300.00%
Debt service coverage ratio	150.00%
Credit Agreement | Maximum
Debt Instrument [Line Items]
Debt to capitalization ratio, percentage the Company must not exceed at any time			40.00%
Credit Agreement | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate			3.25%
Applicable margin					2.75%
Credit Agreement | Base Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate			2.25%
Applicable margin					1.75%
Credit Agreement | Until September 27, 2017 | London Interbank Offered Rate (LIBOR) | Minimum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate			2.75%
Credit Agreement | Until September 27, 2017 | London Interbank Offered Rate (LIBOR) | Maximum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate			3.25%
Credit Agreement | Until September 27, 2017 | Base Rate | Minimum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate			1.75%
Credit Agreement | Until September 27, 2017 | Base Rate | Maximum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate			2.25%
Credit Agreement | Beginning September 27, 2017 | London Interbank Offered Rate (LIBOR) | Minimum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate			3.25%
Credit Agreement | Beginning September 27, 2017 | London Interbank Offered Rate (LIBOR) | Maximum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate			3.75%
Credit Agreement | Beginning September 27, 2017 | Base Rate | Minimum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate			2.25%
Credit Agreement | Beginning September 27, 2017 | Base Rate | Maximum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate			2.75%
Credit Agreement | Revolving Credit Facility | Through September 2017
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity						$ 632,000,000
Credit Agreement | Revolving Credit Facility | Through March 2019
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity				$ 500,000,000		490,000,000
Credit Agreement | Revolving Credit Facility | Letter of Credit
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity	$ 50,000,000
Credit Agreement | Revolving Credit Facility | Swing Line Facility
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity	20,000,000
Amended Credit Agreement Two
Debt Instrument [Line Items]
Credit agreement amendment date			Jul. 08, 2016
Debt maturity date			Mar. 27, 2019
Aggregate commitments under the revolving credit facility	$ 357,900,000
Line of credit, amount outstanding			$ 144,000,000
Letters of credit outstanding			$ 4,600,000
Amended Credit Agreement Two | Revolving Credit Facility
Debt Instrument [Line Items]
Aggregate commitments under the revolving credit facility							$ 595,800,000
Weighted average interest rate			4.83%
Line of credit, available borrowing capacity			$ 342,000,000
Amended Credit Agreement Four
Debt Instrument [Line Items]
Credit agreement amendment date			Apr. 20, 2017
Amended Credit Agreement Four | Through March 2019
Debt Instrument [Line Items]
Credit agreement amendment date			Oct. 27, 2017
Amended Credit Agreement Four | Revolving Credit Facility
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity						$ 700,000,000
Reimbursement Agreement
Debt Instrument [Line Items]
Letters of credit outstanding			$ 54,900,000
Reimbursement Agreement | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		2.25%

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Long Term Debt - Senior Notes - Additional Information (Detail)			3 Months Ended		9 Months Ended
	Jun. 14, 2012 USD ($) Covenant	Oct. 05, 2010 USD ($) Covenant	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)
Debt Instrument [Line Items]
Debt maturity date					Sep. 27, 2017
Interest expense related to amortization of debt issuance costs			$ 710,000	$ 2,000,000	$ 2,000,000	$ 3,500,000
4.97% Series A Senior Notes, Due October 5th 2020
Debt Instrument [Line Items]
Debt maturity date		Oct. 05, 2020
Long-term debt, aggregate principal amount		$ 300,000,000
Debt interest rate		4.97%
Semi-annual interest payment, first payment date					April 5
Semi-annual interest payment, second payment date					October 5
Notes issuance date		Oct. 05, 2010
Description of the prepayment terms					Notes are prepayable at the Company’s option, in whole or in part, provided that in the case of a partial prepayment, prepayment must be in an amount not less than 5% of the aggregate principal amount of the notes then outstanding, at any time and from time to time at 100% of the principal amount prepaid, plus accrued and unpaid interest to the prepayment date, plus a “make-whole” premium as specified in the note purchase agreements. The Company must offer to prepay the notes upon the occurrence of any change of control. In addition, the Company must offer to prepay the notes upon the occurrence of certain asset dispositions if the proceeds therefrom are not timely reinvested in productive assets. If any offer to prepay is accepted, the purchase price of each prepaid note is 100% of the principal amount thereof, plus accrued and unpaid interest thereon to the prepayment date.
Prepayment terms, percent of principal before accrued and unpaid interest and "make-whole" premium		100.00%
Description of the acceptance terms					If any offer to prepay is accepted, the purchase price of each prepaid note is 100% of the principal amount thereof, plus accrued and unpaid interest thereon to the prepayment date.
Acceptance terms, percent of principal before accrued and unpaid interest		100.00%
Note purchase agreement, financial covenant description					The Company must not permit its debt to capitalization ratio to exceed 50% at any time. The note purchase agreements generally define the debt to capitalization ratio as the ratio of (a) total borrowed money indebtedness to (b) the sum of such indebtedness plus consolidated net worth, with consolidated net worth determined as of the last day of the most recently ended fiscal quarter. The Company also must not permit its interest coverage ratio as of the last day of a fiscal quarter to be less than 2.50 to 1.00. The note purchase agreements generally define the interest coverage ratio as the ratio of EBITDA for the four prior fiscal quarters to interest charges for the same period. The Company was in compliance with these covenants at September 30, 2017.
Number of compliance covenants | Covenant		2
4.97% Series A Senior Notes, Due October 5th 2020 | Minimum
Debt Instrument [Line Items]
Debt instrument, prepayment percentage of aggregate principal amount		5.00%
Interest coverage ratio that the Company must exceed on the last day of the fiscal quarter		2.50%
4.97% Series A Senior Notes, Due October 5th 2020 | Maximum
Debt Instrument [Line Items]
Debt to capitalization ratio, percentage the Company must not exceed at any time		50.00%
4.27% Series B Senior Notes, Due June 14th 2022
Debt Instrument [Line Items]
Debt maturity date	Jun. 14, 2022
Long-term debt, aggregate principal amount	$ 300,000,000
Debt interest rate	4.27%
Semi-annual interest payment, first payment date					April 5
Semi-annual interest payment, second payment date					October 5
Notes issuance date	Jun. 14, 2012
Description of the prepayment terms					Notes are prepayable at the Company’s option, in whole or in part, provided that in the case of a partial prepayment, prepayment must be in an amount not less than 5% of the aggregate principal amount of the notes then outstanding, at any time and from time to time at 100% of the principal amount prepaid, plus accrued and unpaid interest to the prepayment date, plus a “make-whole” premium as specified in the note purchase agreements. The Company must offer to prepay the notes upon the occurrence of any change of control. In addition, the Company must offer to prepay the notes upon the occurrence of certain asset dispositions if the proceeds therefrom are not timely reinvested in productive assets. If any offer to prepay is accepted, the purchase price of each prepaid note is 100% of the principal amount thereof, plus accrued and unpaid interest thereon to the prepayment date.
Prepayment terms, percent of principal before accrued and unpaid interest and "make-whole" premium	100.00%
Description of the acceptance terms					If any offer to prepay is accepted, the purchase price of each prepaid note is 100% of the principal amount thereof, plus accrued and unpaid interest thereon to the prepayment date.
Acceptance terms, percent of principal before accrued and unpaid interest	100.00%
Note purchase agreement, financial covenant description					The Company must not permit its debt to capitalization ratio to exceed 50% at any time. The note purchase agreements generally define the debt to capitalization ratio as the ratio of (a) total borrowed money indebtedness to (b) the sum of such indebtedness plus consolidated net worth, with consolidated net worth determined as of the last day of the most recently ended fiscal quarter. The Company also must not permit its interest coverage ratio as of the last day of a fiscal quarter to be less than 2.50 to 1.00. The note purchase agreements generally define the interest coverage ratio as the ratio of EBITDA for the four prior fiscal quarters to interest charges for the same period. The Company was in compliance with these covenants at September 30, 2017.
Number of compliance covenants | Covenant	2
4.27% Series B Senior Notes, Due June 14th 2022 | Minimum
Debt Instrument [Line Items]
Debt instrument, prepayment percentage of aggregate principal amount	5.00%
Interest coverage ratio that the Company must exceed on the last day of the fiscal quarter	2.50%
4.27% Series B Senior Notes, Due June 14th 2022 | Maximum
Debt Instrument [Line Items]
Debt to capitalization ratio, percentage the Company must not exceed at any time	50.00%
Term Loan Agreements
Debt Instrument [Line Items]
Early termination of term loan agreements				$ 1,400,000		$ 1,400,000

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Schedule of Principal Repayment Requirements of Long-Term Debt (Detail) $ in Thousands	Sep. 30, 2017 USD ($)
Debt Disclosure [Abstract]
2019	$ 144,000
2020	300,000
Thereafter	300,000
Total	$ 744,000

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Commitments and Contingencies - Additional Information (Detail)	Sep. 30, 2017 USD ($)
Commitments and Contingencies Disclosure [Line Items]
Letters of credit, collateral for retrospective premiums and retained losses	$ 59,500,000
Commitments to purchase major equipment and investments	191,000,000
Current obligation	86,900,000
Purchase obligations for remainder of 2017	345,000
Purchase obligations for remainder of 2018	9,500,000
Letter of Credit
Commitments and Contingencies Disclosure [Line Items]
Amount drawn under letters of credit	$ 0

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Stockholders' Equity - Additional Information (Detail) - USD ($)					9 Months Ended
	Oct. 25, 2017	Oct. 11, 2017	Apr. 20, 2017	Jan. 27, 2017	Sep. 30, 2017	Sep. 06, 2013
2014 Plan | Restricted Stock
Class Of Stock [Line Items]
Number of shares withheld for tax withholding obligations					369,862
2014 Plan | Stock Option
Class Of Stock [Line Items]
Number of shares withheld for tax withholding obligations					7,989
2013 program
Class Of Stock [Line Items]
Remaining amount approved for repurchases under stock buyback program					$ 187,000,000
2013 program | Maximum
Class Of Stock [Line Items]
Amount approved for repurchases under stock buyback program						$ 200,000,000
Subsequent Event | Dividend Declared
Class Of Stock [Line Items]
Dividend declaration date	Oct. 25, 2017
Dividend per share, declared	$ 0.02
Dividend payment date	Dec. 21, 2017
Dividend record date	Dec. 07, 2017
Seventy Seven Energy Inc.
Class Of Stock [Line Items]
Repayment of outstanding debt			$ 472,000,000
Shares of common stock exchange in business acquisition			46,298,000
MS Directional
Class Of Stock [Line Items]
Shares of common stock exchange in business acquisition		8,798,391
MS Directional | Subsequent Event
Class Of Stock [Line Items]
Shares of common stock exchange in business acquisition		8,800,000
Issued and outstanding limited liability interests acquired in cash		$ 75,000,000
Common Stock
Class Of Stock [Line Items]
Common stock offering					18,170,000
Common Stock | Seventy Seven Energy Inc.
Class Of Stock [Line Items]
Common stock offering				18,200,000
Net proceeds from common stock offering				$ 472,000,000

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Cash Dividends (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Dividends Payable [Line Items]
Cash dividends paid, per share	$ 0.02	$ 0.02	$ 0.06	$ 0.14
Cash dividends paid			$ 11,866	$ 20,618
Installment 1, FY 2017
Dividends Payable [Line Items]
Cash dividends paid, date			Mar. 22, 2017
Cash dividends paid, per share			$ 0.02
Cash dividends paid			$ 3,326
Installment 2, FY 2017
Dividends Payable [Line Items]
Cash dividends paid, date			Jun. 22, 2017
Cash dividends paid, per share			$ 0.02
Cash dividends paid			$ 4,269
Installment 3, FY 2017
Dividends Payable [Line Items]
Cash dividends paid, date			Sep. 21, 2017
Cash dividends paid, per share			$ 0.02
Cash dividends paid			$ 4,271
Installment 1, FY 2016
Dividends Payable [Line Items]
Cash dividends paid, date				Mar. 24, 2016
Cash dividends paid, per share				$ 0.10
Cash dividends paid				$ 14,712
Installment 2, FY 2016
Dividends Payable [Line Items]
Cash dividends paid, date				Jun. 23, 2016
Cash dividends paid, per share				$ 0.02
Cash dividends paid				$ 2,953
Installment 3, FY 2016
Dividends Payable [Line Items]
Cash dividends paid, date				Sep. 22, 2016
Cash dividends paid, per share				$ 0.02
Cash dividends paid				$ 2,953

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Treasury Stock Acquisition (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2017 USD ($) shares
Schedule of Treasury Stock [Line Items]
Treasury shares at beginning of period | shares	43,392,617
Treasury shares at end of period | shares	43,775,971
Treasury shares at beginning of period	$ 911,094
Treasury stock acquired, cost	7,032
Treasury shares at end of period	$ 918,126
Stock Buyback Program
Schedule of Treasury Stock [Line Items]
Treasury stock acquired, shares | shares	5,503
Treasury stock acquired, cost	$ 109
Long Term Incentive Plan
Schedule of Treasury Stock [Line Items]
Treasury stock acquired, shares | shares	377,851
Treasury stock acquired, cost	$ 6,923

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Income Taxes - Additional Information (Detail)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Tax Disclosure [Abstract]
Effective income tax rate	28.80%	37.00%	36.10%	35.80%

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Estimated Fair Value of Outstanding Debt Balances (Detail) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Carrying Value
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total debt	$ 600,000	$ 600,000
Fair Value
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total debt	601,612	546,728
4.97% Series A Senior Notes, Due October 5th 2020 | Carrying Value
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total debt	300,000	300,000
4.97% Series A Senior Notes, Due October 5th 2020 | Fair Value
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total debt	305,440	283,534
4.27% Series B Senior Notes, Due June 14th 2022 | Carrying Value
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total debt	300,000	300,000
4.27% Series B Senior Notes, Due June 14th 2022 | Fair Value
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total debt	$ 296,172	$ 263,194

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Fair Values of Financial Instruments - Additional Information (Detail)	9 Months Ended	12 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
4.97% Series A Senior Notes, Due October 5th 2020
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Current market rates used in measuring fair value	4.32%	6.65%
4.27% Series B Senior Notes, Due June 14th 2022
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Current market rates used in measuring fair value	4.58%	7.02%

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Recently Issued Accounting Standards - Additional Information (Detail) $ in Millions	Dec. 31, 2016 USD ($)
Accounting Changes And Error Corrections [Abstract]
Current deferred tax assets	$ 36.4
Long-term deferred tax assets	4.1
Long-term deferred tax liabilities	$ 32.3