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 June 30, 2021

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

Commission File Number: 001-32657

NABORS INDUSTRIES LTD.

(Exact name of registrant as specified in its charter)

Bermuda	98-0363970
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

Crown House

Second Floor

4 Par-la-Ville Road

Hamilton, HM08

Bermuda

(Address of principal executive office)

(441) 292-1510

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common shares, $.05 par value per share	NBR	NYSE

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 every Interactive Data File required to be submitted 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 such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth 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 ☒
Non-accelerated Filer ☐		Smaller reporting company ☐
	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 ☒

The number of common shares, par value $.05 per share, outstanding as of July 30, 2021 was 8,241,552, excluding 1,090,003 common shares held by our subsidiaries, or 9,331,555 in the aggregate.

NABORS INDUSTRIES LTD. AND SUBSIDIARIES

Index

PART I FINANCIAL INFORMATION
Item 1.	Financial Statements
	Condensed Consolidated Balance Sheets as of June 30, 2021 and December 31, 2020	3
	Condensed Consolidated Statements of Income (Loss) for the Three and Six Months Ended June 30, 2021 and 2020	4
	Condensed Consolidated Statements of Comprehensive Income (Loss) for the Three and Six Months Ended June 30, 2021 and 2020	5
	Condensed Consolidated Statements of Cash Flows for the Six Months Ended June 30, 2021 and 2020	6
	Condensed Consolidated Statements of Changes in Equity for the Three and Six Months Ended June 30, 2021 and 2020	7
	Notes to Condensed Consolidated Financial Statements	9
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	28
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	41
Item 4.	Controls and Procedures	41
PART II OTHER INFORMATION
Item 1.	Legal Proceedings	41
Item 1A.	Risk Factors	41
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	42
Item 3.	Defaults Upon Senior Securities	42
Item 4.	Mine Safety Disclosures	42
Item 5.	Other Information	42
Item 6.	Exhibits	42
Signatures		44

2

NABORS INDUSTRIES LTD. AND SUBSIDIARIES

CONDENSED CONSOLIDATED BALANCE SHEETS

(Unaudited)

	June 30,		December 31,
	2021		2020
	(In thousands, except per
	share amounts)
ASSETS
Current assets:
Cash and cash equivalents	$	399,881	$	472,246
Short-term investments		16		9,500
Accounts receivable, net of allowance of $70,047 and $69,807, respectively		312,136		362,977
Inventory, net		147,362		160,585
Assets held for sale		111,682		16,562
Other current assets		116,062		109,595
Total current assets		1,087,139		1,131,465
Property, plant and equipment, net		3,562,350		3,985,707
Deferred income taxes		251,108		247,171
Other long-term assets		141,721		139,085
Total assets (1)	$	5,042,318	$	5,503,428
LIABILITIES AND EQUITY
Current liabilities:
Trade accounts payable	$	232,543	$	220,922
Accrued liabilities		270,890		276,085
Income taxes payable		19,070		10,157
Current lease liabilities		6,613		8,305
Total current liabilities		529,116		515,469
Long-term debt		2,823,125		2,968,701
Other long-term liabilities		352,348		318,034
Deferred income taxes		2,289		1,576
Total liabilities (1)		3,706,878		3,803,780
Commitments and contingencies (Note 8)
Redeemable noncontrolling interest in subsidiary (Note 3)		398,497		442,840
Shareholders’ equity:
Preferred shares, par value $0.001 per share:
Series A 6% Cumulative Mandatory Convertible; $50 per share liquidation preference; outstanding 0 and 4,870, respectively		—		5
Common shares, par value $0.05 per share:
Authorized common shares 32,000; issued 9,181 and 8,383, respectively		459		419
Capital in excess of par value		3,433,144		3,423,935
Accumulated other comprehensive income (loss)		(8,624)		(11,124)
Retained earnings (accumulated deficit)		(1,290,309)		(946,100)
Less: treasury shares, at cost, 1,090 and 1,090 common shares, respectively		(1,315,751)		(1,315,751)
Total shareholders’ equity		818,919		1,151,384
Noncontrolling interest		118,024		105,424
Total equity		936,943		1,256,808
Total liabilities and equity	$	5,042,318	$	5,503,428

(1) The condensed consolidated balance sheet as of June 30, 2021 and December 31, 2020 include assets and liabilities of variable interest entities. See Note 3—Joint Ventures for additional information.

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

3

NABORS INDUSTRIES LTD. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF INCOME (LOSS)

(Unaudited)

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2021		2020		2021		2020
	(In thousands, except per share amounts)
Revenues and other income:
Operating revenues		$	489,333	$	533,931	$	949,844	$	1,252,295
Investment income (loss)			(62)		2,036		1,201		(1,162)
Total revenues and other income			489,271		535,967		951,045		1,251,133
Costs and other deductions:
Direct costs			312,466		326,557		603,120		788,397
General and administrative expenses			51,580		46,244		106,240		103,628
Research and engineering			7,965		7,305		15,432		18,714
Depreciation and amortization			174,775		211,120		352,051		438,183
Interest expense			41,714		51,206		84,689		105,928
Impairments and other charges			59,868		57,852		62,351		334,286
Other, net			6,587		(30,795)		11,450		(47,905)
Total costs and other deductions			654,955		669,489		1,235,333		1,741,231
Income (loss) from continuing operations before income taxes			(165,684)		(133,522)		(284,288)		(490,098)
Income tax expense (benefit):
Current			27,195		(336)		38,098		(7,539)
Deferred			(2,476)		4,782		(3,654)		29,678
Total income tax expense (benefit)			24,719		4,446		34,444		22,139
Income (loss) from continuing operations, net of tax			(190,403)		(137,968)		(318,732)		(512,237)
Income (loss) from discontinued operations, net of tax			8		23		27		(70)
Net income (loss)			(190,395)		(137,945)		(318,705)		(512,307)
Less: Net (income) loss attributable to noncontrolling interest			(5,614)		(10,167)		(14,390)		(27,632)
Net income (loss) attributable to Nabors			(196,009)		(148,112)		(333,095)		(539,939)
Less: Preferred stock dividend			—		(3,653)		(3,653)		(7,305)
Net income (loss) attributable to Nabors common shareholders		$	(196,009)	$	(151,765)	$	(336,748)	$	(547,244)
Amounts attributable to Nabors common shareholders:
Net income (loss) from continuing operations		$	(196,017)	$	(151,788)	$	(336,775)	$	(547,174)
Net income (loss) from discontinued operations			8		23		27		(70)
Net income (loss) attributable to Nabors common shareholders		$	(196,009)	$	(151,765)	$	(336,748)	$	(547,244)
Earnings (losses) per share:
Basic from continuing operations		$	(26.59)	$	(22.13)	$	(46.90)	$	(78.85)
Basic from discontinued operations			—		—		—		(0.01)
Total Basic		$	(26.59)	$	(22.13)	$	(46.90)	$	(78.86)
Diluted from continuing operations		$	(26.59)	$	(22.13)	$	(46.90)	$	(78.85)
Diluted from discontinued operations			—		—		—		(0.01)
Total Diluted		$	(26.59)	$	(22.13)	$	(46.90)	$	(78.86)
Weighted-average number of common shares outstanding:
Basic			7,460		7,052		7,281		7,052
Diluted			7,460		7,052		7,281		7,052

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

4

NABORS INDUSTRIES LTD. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)

(Unaudited)

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2021		2020		2021		2020
	(In thousands)
Net income (loss) attributable to Nabors		$	(196,009)	$	(148,112)	$	(333,095)	$	(539,939)
Other comprehensive income (loss), before tax:
Translation adjustment attributable to Nabors			2,092		6,671		4,320		(10,694)
Pension liability amortization and adjustment			52		52		(1,796)		104
Unrealized gains (losses) and amortization on cash flow hedges			—		142		—		284
Other comprehensive income (loss), before tax			2,144		6,865		2,524		(10,306)
Income tax expense (benefit) related to items of other comprehensive income (loss)			12		47		24		94
Other comprehensive income (loss), net of tax			2,132		6,818		2,500		(10,400)
Comprehensive income (loss) attributable to Nabors			(193,877)		(141,294)		(330,595)		(550,339)
Net income (loss) attributable to noncontrolling interest			5,614		10,167		14,390		27,632
Translation adjustment attributable to noncontrolling interest			—		—		—		—
Comprehensive income (loss) attributable to noncontrolling interest			5,614		10,167		14,390		27,632
Comprehensive income (loss)		$	(188,263)	$	(131,127)	$	(316,205)	$	(522,707)

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

5

NABORS INDUSTRIES LTD. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

	Six Months Ended June 30,
	2021		2020
	(In thousands)
Cash flows from operating activities:
Net income (loss)	$	(318,705)	$	(512,307)
Adjustments to net income (loss):
Depreciation and amortization		352,052		438,182
Deferred income tax expense (benefit)		(3,649)		29,682
Impairments and other charges		58,710		310,296
Amortization of debt discount and deferred financing costs		10,592		16,208
Losses (gains) on debt buyback		(8,185)		(51,678)
Losses (gains) on long-lived assets, net		17,488		2,428
Losses (gains) on investments, net		(775)		4,733
Provision (recovery) of bad debt		240		10,164
Share-based compensation		10,741		15,756
Foreign currency transaction losses (gains), net		2,499		2,130
Noncontrolling interest		(14,390)		(27,632)
Other		684		352
Changes in operating assets and liabilities, net of effects from acquisitions:
Accounts receivable		45,385		89,981
Inventory		12,685		(724)
Other current assets		(6,624)		7,926
Other long-term assets		(3,643)		10,273
Trade accounts payable and accrued liabilities		28,324		(127,830)
Income taxes payable		8,697		8,823
Other long-term liabilities		21,077		(24,991)
Net cash provided by (used for) operating activities		213,203		201,772
Cash flows from investing activities:
Purchases of investments		(28)		(16)
Sales and maturities of investments		11,369		1,861
Capital expenditures		(117,785)		(106,766)
Proceeds from sales of assets and insurance claims		21,525		12,772
Net cash (used for) provided by investing activities		(84,919)		(92,149)
Cash flows from financing activities:
Proceeds from issuance of long-term debt		—		1,000,000
Reduction in long-term debt		(21,800)		(1,218,622)
Debt issuance costs		(2,421)		(16,023)
Proceeds from revolving credit facilities		110,000		1,240,000
Reduction in revolving credit facilities		(225,000)		(1,035,000)
Repurchase of common and preferred shares		—		(13,858)
Dividends to common and preferred shareholders		(7,315)		(15,232)
Distributions to noncontrolling interest		(50,867)		(1,005)
Other		(1,990)		(1,576)
Net cash (used for) provided by financing activities		(199,393)		(61,316)
Effect of exchange rate changes on cash and cash equivalents		(1,349)		(3,336)
Net increase (decrease) in cash and cash equivalents and restricted cash		(72,458)		44,971
Cash and cash equivalents and restricted cash, beginning of period		475,280		442,038
Cash and cash equivalents and restricted cash, end of period	$	402,822	$	487,009
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH
Cash and cash equivalents, beginning of period		472,246		435,990
Restricted cash, beginning of period		3,034		6,048
Cash and cash equivalents and restricted cash, beginning of period	$	475,280	$	442,038
Cash and cash equivalents, end of period		399,881		484,336
Restricted cash, end of period		2,941		2,673
Cash and cash equivalents and restricted cash, end of period	$	402,822	$	487,009

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

6

NABORS INDUSTRIES LTD. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY

(Unaudited)

	Mandatory Convertible						Capital		Accumulated
	Preferred Shares			Common Shares			in Excess		Other						Non-
		Par			Par		of Par		Comprehensive		Retained		Treasury		controlling		Total
(In thousands, except per share amounts)	Shares	Value		Shares	Value		Value		Income		Earnings		Shares		Interest		Equity
As of March 31, 2020	4,870	$	5	419,466	$	419	$	3,408,454	$	(29,006)	$	(508,200)	$	(1,315,751)	$	85,177	$	1,641,098
Net income (loss)	—		—	—		—		—		—		(148,112)		—		10,167		(137,945)
Dividends to common shareholders ($0.01 per share)	—		—	—		—		—		—		(119)		—		—		(119)
Dividends to preferred shareholders ($0.75 per share)	—		—	—		—		—		—		(3,653)		—		—		(3,653)
Other comprehensive income (loss), net of tax	—		—	—		—		—		6,818		—		—		—		6,818
Accrued distribution on redeemable noncontrolling interest in subsidiary	—		—	—		—		—		—		(4,307)		—		—		(4,307)
Other	—		—	(411,077)		—		6,599		—		—		—		(1,005)		5,594
As of June 30, 2020	4,870	$	5	8,389	$	419	$	3,415,053	$	(22,188)	$	(664,391)	$	(1,315,751)	$	94,339	$	1,507,486
As of March 31, 2021	4,870	$	5	8,503	$	417	$	3,429,089	$	(10,756)	$	(1,089,251)	$	(1,315,751)	$	114,201	$	1,127,954
Net income (loss)	—		—	—		—		—		—		(196,009)		—		5,614		(190,395)
Issuance of warrants on common shares	—		—	—		—		—		—		(2,719)		—		—		(2,719)
Other comprehensive income (loss), net of tax	—		—	—		—		—		2,132		—		—		—		2,132
Share-based compensation	—		—	—		—		3,965		—		—		—		—		3,965
Conversion of preferred shares	(4,870)		(5)	668		34		(34)		—		—		—		—		(5)
Noncontrolling interest contributions (distributions)	—		—	—		—		—		—		—		—		(1,791)		(1,791)
Accrued distribution on redeemable noncontrolling interest in subsidiary	—		—	—		—		—		—		(2,330)		—		—		(2,330)
Other	—		—	10		8		124		—		—		—		—		132
As of June 30, 2021	—	$	—	9,181	$	459	$	3,433,144	$	(8,624)	$	(1,290,309)	$	(1,315,751)	$	118,024	$	936,943

7

	Mandatory Convertible						Capital		Accumulated
	Preferred Shares			Common Shares			in Excess		Other						Non-
		Par			Par		of Par		Comprehensive		Retained		Treasury		controlling		Total
(In thousands, except per share amounts)	Shares	Value		Shares	Value		Value		Income		Earnings		Shares		Interest		Equity
As of December 31, 2019	5,613	$	6	416,198	$	416	$	3,412,972	$	(11,788)	$	(104,775)	$	(1,314,020)	$	67,354	$	2,050,165
Net income (loss)	—		—	—		—		—		—		(539,939)		—		27,632		(512,307)
Dividends to common shareholders ($0.01 per share)	—		—	—		—		—		—		(3,633)		—		—		(3,633)
Dividends to preferred shareholders ($1.50 per share)	—		—	—		—		—		—		(7,305)		—		—		(7,305)
Other comprehensive income (loss), net of tax	—		—	—		—		—		(10,400)		—		—		—		(10,400)
Repurchase preferred shares	(743)		(1)	—		—		(12,127)		—		—		(1,731)		—		(13,859)
Share-based compensation	—		—	—		—		15,757		—		—		—		—		15,757
Noncontrolling interest contributions (distributions)	—		—	—		—		—		—		—		—		(1,004)		(1,004)
Accrued distribution on redeemable noncontrolling interest in subsidiary	—		—	—		—		—		—		(8,739)		—		—		(8,739)
Other	—		—	(407,809)		3		(1,549)		—		—		—		357		(1,189)
As of June 30, 2020	4,870	$	5	8,389	$	419	$	3,415,053	$	(22,188)	$	(664,391)	$	(1,315,751)	$	94,339	$	1,507,486
As of December 31, 2020	4,870	$	5	8,383	$	419	$	3,423,935	$	(11,124)	$	(946,100)	$	(1,315,751)	$	105,424	$	1,256,808
Net income (loss)	—		—	—		—		—		—		(333,095)		—		14,390		(318,705)
PSU distribution equivalent rights	—		—	—		—		—		—		(10)		—		—		(10)
Dividends to preferred shareholders ($0.75 per share)	—		—	—		—		—		—		(3,653)		—		—		(3,653)
Issuance of warrants on common shares	—		—	—		—		—		—		(2,719)		—		—		(2,719)
Other comprehensive income (loss), net of tax	—		—	—		—		—		2,500		—		—		—		2,500
Noncontrolling interest contributions (distributions)	—		—	—		—		—		—		—		—		(1,790)		(1,790)
Share-based compensation	—		—	—		—		10,740		—		—		—		—		10,740
Conversion of preferred shares	(4,870)		(5)	668		34		(34)		—		—		—		—		(5)
Accrued distribution on redeemable noncontrolling interest in subsidiary	—		—	—		—		—		—		(4,732)		—		—		(4,732)
Other	—		—	130		6		(1,497)		—		—		—		—		(1,491)
As of June 30, 2021	—	$	—	9,181	$	459	$	3,433,144	$	(8,624)	$	(1,290,309)	$	(1,315,751)	$	118,024	$	936,943

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

8

Nabors Industries Ltd. and Subsidiaries

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

Note 1 General

Unless the context requires otherwise, references in this report to “we,” “us,” “our,” “the Company,” or “Nabors” mean Nabors Industries Ltd., together with our subsidiaries where the context requires. References in this report to “Nabors Delaware” mean Nabors Industries, Inc., a wholly owned subsidiary of Nabors.

Our business is comprised of our global land-based and offshore drilling rig operations and other rig related services and technologies. These services and technologies include tubular running services, wellbore placement solutions, directional drilling, measurement-while-drilling (“MWD”), logging-while-drilling (“LWD”) systems and services, equipment manufacturing, rig instrumentation and drilling optimization software.

With operations in approximately 20 countries, we are a global provider of drilling and drilling-related services for land-based and offshore oil and natural gas wells, with a fleet of rigs and drilling-related equipment which, as of June 30, 2021 included:

● 354 actively marketed rigs for land-based drilling operations in the United States, Canada and approximately 14 other countries throughout the world; and

● 29 actively marketed rigs for offshore drilling operations in the United States and multiple international markets.

Note 2 Summary of Significant Accounting Policies

Interim Financial Information

The accompanying unaudited condensed consolidated financial statements of Nabors have been prepared in conformity with generally accepted accounting principles in the United States (“U.S. GAAP”). Pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC” or “Commission”), certain information and footnote disclosures normally included in annual financial statements prepared in accordance with U.S. GAAP have been omitted. Therefore, these financial statements should be read together with our annual report on Form 10-K for the year ended December 31, 2020 (“2020 Annual Report”). In management’s opinion, the unaudited condensed consolidated financial statements contain all adjustments (consisting of normal recurring adjustments) necessary to state fairly our financial position as of June 30, 2021 and the results of operations, comprehensive income (loss), cash flows and changes in equity for the periods presented herein. Interim results for the six months ended June 30, 2021 may not be indicative of results that will be realized for the full year ending December 31, 2021.

Principles of Consolidation

Our condensed consolidated financial statements include the accounts of Nabors, as well as all majority owned and non-majority owned subsidiaries consolidated in accordance with U.S. GAAP. All significant intercompany accounts and transactions are eliminated in consolidation.

In addition to the consolidation of our majority owned subsidiaries, we also consolidate variable interest entities (“VIE”) when we are determined to be the primary beneficiary of a VIE. Determination of the primary beneficiary of a VIE is based on whether an entity has (1) the power to direct activities that most significantly impact the economic performance of the VIE and (2) the obligation to absorb losses or the right to receive benefits of the VIE that could potentially be significant to the VIE. Our joint venture, SANAD, which is equally owned by Saudi Aramco and Nabors, has been consolidated. As we have the power to direct activities that most significantly impact SANAD’s economic performance, including operations, maintenance and certain sourcing and procurement, we have determined Nabors to be the primary beneficiary. See Note 3—Joint Ventures.

9

Inventory

Inventory is stated at the lower of cost or net realizable value. Cost is determined using the first-in, first-out or weighted-average cost methods and includes the cost of materials, labor and manufacturing overhead. Inventory included the following:

	June 30,		December 31,
	2021		2020
	(In thousands)
Raw materials	$	118,150	$	133,424
Work-in-progress		2,881		3,452
Finished goods		26,331		23,709
	$	147,362	$	160,585

Recently Adopted Accounting Pronouncements

In June 2016, the FASB issued ASU 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, which changes accounting requirements for the recognition of credit losses from an incurred or probable impairment methodology to a current expected credit losses (CECL) methodology. The guidance is effective for interim and annual periods beginning after December 15, 2019. The guidance has been applied using the modified retrospective method with a cumulative effect adjustment to beginning retained earnings. Trade receivables (including the allowance for credit losses) are the only financial instrument in scope for ASU 2016-13 currently held by the Company. The adoption of this guidance did not have a material impact on our condensed consolidated financial statements.

In December 2019, the FASB issued ASU 2019-12, Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes, which removes certain exceptions for intraperiod allocations and interim tax calculations and adds guidance to simplify accounting for income taxes. The guidance is effective for interim and annual periods beginning after December 15, 2020. The adoption of this guidance did not have a material impact on our condensed consolidated financial statements.

Note 3 Joint Ventures

During 2016, we entered into an agreement with Saudi Aramco to form a joint venture known as SANAD to own, manage and operate onshore drilling rigs in the Kingdom of Saudi Arabia. SANAD is equally owned by Saudi Aramco and Nabors.

During 2017, Nabors and Saudi Aramco each contributed $20 million in cash for the purpose of capitalizing the joint venture upon formation. In addition, since inception Nabors and Saudi Aramco have each contributed a combination of drilling rigs, drilling rig equipment and other assets, including cash, each with a value of approximately $394 million to the joint venture. The contributions were received in exchange for redeemable ownership interests which accrue interest annually, have a twenty-five year maturity and are required to be converted to authorized capital should certain events occur, including the accumulation of specified losses. In the accompanying condensed consolidated balance sheet, Nabors has reported Saudi Aramco’s share of authorized capital as a component of noncontrolling interest in equity and Saudi Aramco’s share of the redeemable ownership interests as redeemable noncontrolling interest in subsidiary, classified as mezzanine equity. The accrued interest on the redeemable ownership interest is a non-cash financing activity and is reported as an increase in the redeemable noncontrolling interest in subsidiary line in our condensed consolidated balance sheet. In January 2021, SANAD settled approximately $100 million of the accrued interest from inception to December 31, 2020, by making a cash payment to each partner for their respective amounts. The assets and liabilities included in the condensed balance sheet below are (1) assets that can either be used to settle obligations of the VIE or be made available in the future to the equity owners through dividends, distributions or in exchange of the redeemable ownership interests (upon mutual agreement of the owners) or (2) liabilities for which creditors do not have recourse to other assets of Nabors.

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The condensed balance sheet of SANAD, as included in our condensed consolidated balance sheet, is presented below.

	June 30,		December 31,
	2021		2020
	(In thousands)
Assets:
Cash and cash equivalents	$	304,924	$	368,981
Accounts receivable		70,273		79,711
Other current assets		11,105		17,148
Property, plant and equipment, net		456,050		428,331
Other long-term assets		20,223		2,590
Total assets	$	862,575	$	896,761
Liabilities:
Accounts payable	$	60,269	$	61,808
Accrued liabilities		29,792		18,791
Total liabilities	$	90,061	$	80,599

Note 4 Accounts Receivable Sales Agreement

On September 13, 2019, we entered into a $250 million accounts receivable sales facility, consisting of a Receivables Sales Agreement and a Receivables Purchase Agreement (collectively, the “A/R Facility”) whereby certain U.S. operating subsidiaries of the Company (collectively, the “Originators”), sold or contributed, and will on an ongoing basis continue to sell or contribute, certain of their domestic trade accounts receivables to a wholly-owned, bankruptcy-remote, special purpose entity (the “SPE” or “Seller”). The SPE in turn sells, transfers, conveys and assigns to third-party financial institutions (the “Purchasers”) all the rights, title and interest in and to its pool of eligible receivables. The sale of these receivables qualified for sale accounting treatment in accordance with ASC 860. During the period of this program, cash receipts from the Purchasers at the time of the sale were classified as operating activities in our consolidated statement of cash flows. Subsequent collections on the pledged receivables, which were not sold, will be classified as operating cash flows in our consolidated statement of cash flows at the time of collection.

On July 13, 2021, we entered into the First Amendment to the Receivables Purchase Agreement which extends the term of the A/R Facility by two years, to August 13, 2023. However, the expiration of the agreement could be accelerated to the earlier of (i) December 31, 2022, if by that date the Company’s 2018 Revolving Credit Facility is not amended to extend its termination date to as least October 11, 2024 and immediately after giving effect to such amendment the consolidated cash balance of the company is not at least $220 million or (ii) July 19, 2022, if any of the 5.5% Senior Notes due 2023 of Nabors Delaware remain outstanding as of such date. The amendment also reduced the commitments of the Purchasers from $250 million to $150 million, with the possibility of being increased up to $200 million.

Nabors Delaware and/or another subsidiary of Nabors act as servicers of the sold receivables. The servicers administer, collect and otherwise enforce these receivables and are compensated for doing so on terms that are generally consistent with what would be charged by an unrelated servicer. The servicers initially receive payments made by obligors on the receivables, then remit those payments in accordance with the Receivables Purchase Agreement. The servicers and the Originators have contingent indemnification obligations to the SPE, and the SPE has contingent indemnification obligations to the Purchasers, in each case customary for transactions of this type. These contingent indemnification obligations are guaranteed by the Company pursuant to an Indemnification Guarantee in favor of the Purchasers. The Purchasers have no recourse for receivables that are uncollectible as a result of the insolvency or inability to pay of the account debtors.

The amount available for sale to the Purchasers under the A/R Facility fluctuates over time based on the total amount of eligible receivables generated during the normal course of business after excluding excess concentrations and certain other ineligible receivables. As of June 30, 2021, approximately $84.0 million had been sold to and as yet uncollected by the Purchasers. As of December 31, 2020, the corresponding number was approximately $54.0 million. Trade accounts receivable sold by the SPE to the Purchasers are derecognized from our condensed consolidated balance sheet. The fair value of the sold receivables approximated book value due to the short-term nature of the receivables and, as a result, no gain or loss on the sale of the receivables was recorded. Trade receivables pledged by the SPE as collateral to the Purchasers (excluding receivables sold to the Purchasers) totaled $40.9 million and $63.1 million as of June 30,

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2021 and December 31, 2020, respectively, and are included in accounts receivable, net in our condensed consolidated balance sheet. The assets of the SPE cannot be used by the Company for general corporate purposes. Additionally, creditors of the SPE do not have recourse to assets of the Company (other than assets of the SPE).

Note 5 Debt

Debt consisted of the following:

	June 30,		December 31,
	2021		2020
	(In thousands)
4.625% senior notes due September 2021 (1)	$	82,428	$	86,329
5.50% senior notes due January 2023		24,446		28,443
5.10% senior notes due September 2023		120,141		121,077
0.75% senior exchangeable notes due January 2024		253,733		279,700
5.75% senior notes due February 2025		586,308		610,818
6.50% senior priority guaranteed notes due February 2025		50,485		50,485
9.00% senior priority guaranteed notes due February 2025		218,082		192,032
7.25% senior guaranteed notes due January 2026		559,978		559,978
7.50% senior guaranteed notes due January 2028		389,609		389,609
2018 revolving credit facility		557,500		672,500
		2,842,710		2,990,971
Less: deferred financing costs		19,585		22,270
Long-term debt	$	2,823,125	$	2,968,701

(1) The 4.625% senior notes due September 2021 are classified as long-term because we have the ability and intent to repay this obligation utilizing our 2018 Revolving Credit Facility.

During the six months ended June 30, 2021, we repurchased $30.5 million aggregate principal amount outstanding of our senior unsecured notes for approximately $22.4 million in cash, including principal and $0.6 million in accrued and unpaid interest. In connection with these repurchases, we recognized a net gain of approximately $8.2 million for the six months ended June 30, 2021, which is included in Other, net in our condensed consolidated statement of income (loss).

Exchange Transactions

During the first quarter of 2021, we entered into two private exchange transactions in which Nabors Delaware exchanged 9.0% Senior Priority Guaranteed Notes due 2025 (the “9.0% Exchange Notes”) for various amounts of existing outstanding notes. Nabors Delaware did not receive any cash proceeds from the issuance of the Exchange Notes.

Collectively from the series of exchanges, Nabors Industries, Inc. issued $26.1 million aggregate principal amount of the 9.0% Exchange Notes in exchange for $40.0 million aggregate principal amount of various Nabors Delaware’s outstanding Notes.

We recorded a minimal gain in connection with the exchange transactions, which was accounted for in accordance with ASC 470-60, Troubled Debt Restructuring by Debtors. Under ASC 470-60, a gain is recorded in an amount equal to the sum of the future undiscounted payments (principal and interest) related to the new Exchange Notes plus the costs incurred in connection with the transaction, less the carrying value of the notes that were exchanged. In relation to the transactions, we recorded $9.4 million related to future contractual interest payments on the new Exchange Notes and have included this amount in accrued liabilities and other long-term liabilities.

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The aggregate principal amounts and recognized gain for such transactions were as follows (in thousands):

	Six months ended June 30,
	2021
Exchanged
0.75% senior exchangeable notes due January 2024	$	35,000
5.75% senior notes due February 2025		5,000
Aggregate principal amount exchanged		40,000
Aggregate principal amount of debt issued in exchanges		26,050

0.75% Senior Exchangeable Notes Due January 2024

In January 2017, Nabors Delaware issued $575.0 million in aggregate principal amount of 0.75% exchangeable senior unsecured notes due 2024, which are fully and unconditionally guaranteed by Nabors. The notes bear interest at a rate of 0.75% per year payable semiannually on January 15 and July 15 of each year, beginning on July 15, 2017. As of June 30, 2021, there was approximately $287.3 million in aggregate principal amount that remained outstanding.

The exchangeable notes are currently exchangeable, under certain conditions, at an exchange rate of .8018 common shares of Nabors per $1,000 principal amount of exchangeable notes (equivalent to an exchange price of approximately $1,247.19 per common share). The exchangeable notes were originally bifurcated for accounting purposes into debt and equity components of $411.2 million and $163.8 million, respectively, based on the terms of the notes and the relative fair value at the issuance date. Upon any exchange, as a result of an amendment to the notes, Nabors Delaware will settle its exchange obligation in cash.

2018 Revolving Credit Facility

In October 2018, Nabors Delaware and Nabors Drilling Canada Limited (“Nabors Canada” and together with Nabors Delaware, the “Borrowers”) entered into a credit agreement dated October 11, 2018 by and among the Borrowers, the Guarantors identified therein, HSBC Bank Canada, as the Canadian lender (the “Canadian Lender”) the issuing banks and other lenders party thereto (the “US Lenders” and, together with the Canadian Lender, the “Lenders”) and Citibank, N.A., as administrative agent solely for the U.S. Lenders (as may be amended, restated, supplemented or otherwise modified from time to time, the “2018 Revolving Credit Facility”). The 2018 Revolving Credit Facility originally had a borrowing capacity of $1.267 billion and is fully and unconditionally guaranteed by Nabors and certain of its wholly owned subsidiaries. The 2018 Revolving Credit Facility matures at the earlier of (a) October 11, 2023 and (b) July 19, 2022, if any of Nabors Delaware’s existing 5.50% senior notes due January 2023 remain outstanding as of such date. The 2018 Revolving Credit Facility contains certain affirmative and negative covenants. Amendment No. 1 to the 2018 Revolving Credit Facility provided for additional currencies in which letters of credit could be issued. On December 13, 2019, Amendment No. 2 was entered into which reduced the borrowing capacity to $1.0136 billion ($981.6 million for Nabors Delaware and $32.0 million for Nabors Canada), and replaced the net funded debt to capitalization covenant with a covenant to maintain net funded indebtedness at no greater than 5.5 times EBITDA. Amendment No. 3 to the 2018 Revolving Credit Facility was entered into on March 3, 2020, in order to permit letters of credit from the Canadian Lender on the portion of the facility dedicated to Canadian borrowings.

In September 2020, Amendment No. 4 was entered into in order to revise certain of the covenant and collateral requirements under the 2018 Revolving Credit Facility. Amendment No. 4 provides the Lenders with a first lien security interest in certain drilling rigs located in the U.S. and Canada and replaced the prior covenant to maintain net funded debt at no greater than 5.5 times EBITDA with a new covenant to maintain minimum liquidity of no less than $160.0 million at any time. Minimum liquidity is defined to mean, generally, a consolidated cash balance consisting of (a) the aggregate amount of unrestricted cash and cash equivalents maintained in a deposit account U.S. or Canadian branch of a commercial bank, plus (b) the lesser of $75 million or an amount equal to 75% of the aggregate amount of unrestricted cash and cash equivalents held in deposit account of a commercial bank outside of the U.S. or Canada, plus (c) available commitments under the 2018 Revolving Credit Facility. Additionally, the “asset to debt coverage” ratio was revised such that during any period in which Nabors Delaware fails to maintain an investment grade rating from at least two ratings agencies, the guarantors under the facility and their respective subsidiaries will be required to maintain an asset to debt coverage of at least 4.25:1, which was the case as of the date of this report. On July 29, 2021, in connection with the closing of the sale of substantially all of our Canada Drilling assets, we entered into a Canadian Amending Agreement with the Canadian Lender under which we repaid all outstanding loans owed to the Canadian Lender under

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the 2018 Revolving Credit Facility, the first lien security interest in the Canada assets was released and the commitments of the Canadian Lender under the 2018 Revolving Credit Facility were terminated.

As of June 30, 2021, we had $557.5 million outstanding under our 2018 Revolving Credit Facility and the net book value of the collateralized assets under the 2018 Revolving Credit Facility was $1.26 billion. The weighted average interest rate on borrowings under the 2018 Revolving Credit Facility at June 30, 2021 was 3.62%. In order to make any future borrowings under the 2018 Revolving Credit Facility, Nabors and certain of its wholly owned subsidiaries are subject to compliance with the conditions and covenants contained therein, including compliance with applicable financial ratios.

As of the date of this report, we were in compliance with all covenants under the 2018 Revolving Credit Facility. We expect to remain in compliance with all covenants under the 2018 Revolving Credit Facility during the twelve-month period following the date of this report based on our current operational and financial projections. However, we can make no assurance of continued compliance if our current projections or material underlying assumptions prove to be incorrect. If we fail to comply with the covenants, the revolving credit commitment could be terminated, and any outstanding borrowings under the facility could be declared immediately due and payable.

Note 6 Shareholders’ Equity

Common shares

At a special meeting of shareholders held April 20, 2020, our shareholders authorized a combination of our common shares (the “Reverse Stock Split”) at a ratio of not less than 1-for-15 and not greater than 1-for-50, with the exact ratio to be set within that range at the sole direction of our Board of Directors (the “Board”). On April 20, 2020, the Board set the Reverse Stock Split ratio at 1-for-50. As a result of the Reverse Stock Split, 50 pre-reverse split common shares automatically combined into one new common share, without any action on the part of the shareholders. Nabors’ authorized number of common shares were also proportionally decreased from 800,000,000 to 16,000,000 common shares. Subsequently, the par value of each common share was proportionally increased from $0.001 to $0.05. In addition, at the special meeting, the shareholders authorized an increase in our common share capital by 100% following the Reverse Stock Split, to $1,600,000, resulting in an increase in the number of authorized common shares to 32,000,000. No fractional common shares were issued as a result of the Reverse Stock Split. Any fractional common shares of registered holders resulting from the Reverse Stock Split were rounded up to the nearest whole share. All share and per share information included in the accompanying financial statements has been retrospectively adjusted to reflect this Reverse Stock Split.

Common stock warrants

On May 27, 2021, the Board declared a distribution to holders of the Company’s common shares of warrants to purchase its common shares (the “Warrants”). Holders of Nabors common shares received two-fifths of a warrant per common share held as of the record date (rounded down for any fractional warrant). Nabors issued approximately 3,236,430 warrants on June 11, 2021 to shareholders of record as of June 4, 2021.

Each Warrant represents the right to purchase one common share at an initial exercise price of $166.66667 per Warrant, subject to certain adjustments (the “Exercise Price”). In addition, Warrants submitted for exercise may be eligible to receive an additional one-third common share due to the incentive share component. The incentive share is an extra amount of common shares that Nabors will award when the volume weighted average price of Nabors’ common shares on the day before any Warrant holder exercises its Warrants multiplied by three is at least 6% higher than the sum of the volume weighted average prices of Nabors’ common shares on each of the second, third and fourth days before any Warrant holder exercises its Warrants. Payment for common shares on exercise of Warrants may be in (i) cash or (ii)“Designated Notes,” which the Company initially defines as (a) Nabors Delaware’s (i) 5.10% Notes due 2023, (ii) 0.75% Exchangeable Notes due 2024, (iii) 5.75% Notes due 2025 and (b) the Company’s 7.25% Notes due 2026, subject to compliance with applicable procedures with respect to the delivery of the Warrants and Designated Notes. The Exercise Price and the number of common shares issuable upon exercise are subject to anti-dilution adjustments, including for share dividends, splits, subdivisions, spin-offs, consolidations, reclassifications, combinations, noncash distributions, cash dividends (other than regular quarterly cash dividends not exceeding a permitted threshold amount), certain pro rata shares repurchases, and similar transactions, including certain issuances of common shares (or securities

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exercisable or convertible into or exchangeable for common shares) at a price (or having a conversion price) that is less than 95% of the market price of the common shares.

The common stock warrants are recognized as derivative liabilities in accordance with ASC 815-40. Accordingly, the Company recognizes the warrant instruments as liabilities at fair value and adjusts the instruments to fair value at each reporting period. The liabilities are subject to re-measurement at each balance sheet date until exercised, and any change in fair value is recognized in the Company’s statement of operations. The fair value of the Warrants was initially measured at fair value using a Monte Carlo pricing model and subsequently, the fair value of the Warrants have been estimated using a Monte Carlo pricing model at each measurement date. At distribution, the fair value of the Warrants was $2.7 million. At June 30, 2021, the fair value of the Warrants was $1.0 million and $1.7 million of gain was recognized during Q2 for the decrease in liability.

Convertible Preferred Shares

During 2018, we issued 5.75 million of our 6% Series A Mandatory Convertible Preferred Shares (the “mandatory convertible preferred shares”), par value $0.001 per share, with a liquidation preference of $50 per share. As of December 31, 2020, we had 4.9 million mandatory convertible preferred shares outstanding. The mandatory convertible preferred shares automatically converted into common shares on May 3, 2021 at which time approximately 668,000 common shares were issued.

Shareholder Rights Plan

On May 5, 2020, our Board adopted a shareholder rights plan and declared a dividend of one right (a “Right”) for each outstanding common share to shareholders of record on May 15, 2020. Each Right entitles the holder to purchase from Nabors one one-thousandth of a Series B Junior Participating Preferred Share, par value $0.001 per share (the “Series B Preferred Shares’), of Nabors at a price of $58.08 per one one-thousandth of a Series B Preferred Share, subject to adjustment. The description of the Rights is set forth in a Rights Agreement, dated May 5, 2020 (the “Rights Agreement”), by and between Nabors and Computershare Trust Company, N.A., as Rights Agent. The Rights expired on April 30, 2021.

Initially, the Rights were not be exercisable and would trade with our common shares. Under the Rights Agreement, the Rights would become exercisable only if a person or group or persons acting together (each, an “acquiring person”) acquires beneficial ownership of 4.9% or more of our outstanding common shares. The Rights Agreement was amended on May 27, 2020, to permit the shareholder identified therein, together with affiliates and associates, to beneficially own up to 10% of our outstanding common shares.

If the Rights were triggered, each holder of a Right (other than the acquiring person, whose Rights would become void) would be entitled to purchase additional shares of our common stock at a 50% discount. In addition, if we were acquired in a merger or other business combination after an Acquiring Person acquired more than 4.9% of our outstanding common shares (10% for the shareholder identified in the amendment), each holder of a Right would then be entitled to purchase shares of the acquiring company’s stock at a 50% discount.  Our Board, at its option, could exchange each Right (other than Rights owned by the acquiring person that have become void) in whole or in part, at an exchange ratio of one common share per outstanding Right, subject to adjustment. Except as provided in the Rights Agreement, our Board was entitled to redeem the Rights at $0.01 per Right.

A person or group of persons that beneficially owned our common shares at or above the trigger threshold as of the time of the public announcement of the Rights Agreement generally would not trigger the Rights until such person or group of persons increases its ownership by 0.5% or more.

Note 7 Fair Value Measurements

Fair value is the price that would be received upon sale of an asset or paid upon transfer of a liability in an orderly transaction between market participants at the measurement date (exit price). We utilize market data or assumptions that market participants would use in pricing the asset or liability, including assumptions about risk and the risks inherent in the inputs to the valuation technique. These inputs can be readily observable, market-corroborated, or generally unobservable. We primarily apply the market approach for recurring fair value measurements and endeavor to utilize the best information available. Accordingly, we employ valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs.

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The use of unobservable inputs is intended to allow for fair value determinations in situations where there is little, if any, market activity for the asset or liability at the measurement date. We are able to classify fair value balances utilizing a fair value hierarchy based on the observability of those inputs.

Under the fair value hierarchy:

● Level 1 measurements include unadjusted quoted market prices for identical assets or liabilities in an active market;

● Level 2 measurements include quoted market prices for identical assets or liabilities in an active market that have been adjusted for items such as effects of restrictions for transferability and those that are not quoted but are observable through corroboration with observable market data, including quoted market prices for similar assets; and

● Level 3 measurements include those that are unobservable and of a subjective nature.

Recurring Fair Value Measurements

The fair value of the common stock warrants was initially measured at fair value using a Monte Carlo option pricing model and subsequently, the fair value of the warrants have been estimated using the Monte Carlo pricing model for each measurement date. The estimated fair value of the warrants is determined using Level 3 inputs. Inherent in the option pricing simulation are assumptions related to expected stock-price volatility, expected life and risk-free interest rate. The Company estimates the volatility of its common stock warrants based on implied and historical volatility of the company’s traded common stock. The risk-free interest rate is based on the U.S. Treasury zero-coupon yield curve on the grant date for a maturity similar to the expected remaining life of the warrants. The expected life of the warrants is based on the Company’s ability to initiate expiration, subject to a 20 business day notice period.

Nonrecurring Fair Value Measurements

We applied fair value measurements to our nonfinancial assets and liabilities measured on a nonrecurring basis, which consist of measurements primarily related to assets held for sale, goodwill, intangible assets and other long-lived assets and assets acquired and liabilities assumed in a business combination. Based upon our review of the fair value hierarchy, the inputs used in these fair value measurements were considered Level 3 inputs.

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Fair Value of Financial Instruments

We estimate the fair value of our financial instruments in accordance with U.S. GAAP. The fair value of our long-term debt and revolving credit facilities is estimated based on quoted market prices or prices quoted from third-party financial institutions. The fair value of our debt instruments is determined using Level 2 measurements. The carrying and fair values of these liabilities were as follows:

		June 30, 2021				December 31, 2020
		Carrying		Fair		Carrying		Fair
		Value		Value		Value		Value
	(In thousands)
4.625% senior notes due September 2021		$	82,428	$	82,718	$	86,329	$	78,862
5.50% senior notes due January 2023			24,446		23,683		28,443		18,768
5.10% senior notes due September 2023			120,141		116,524		121,077		78,435
0.75% senior exchangeable notes due January 2024			253,733		257,391		279,700		169,458
5.75% senior notes due February 2025			586,308		540,195		610,818		318,871
6.50% senior priority guaranteed notes due February 2025			50,485		49,156		50,485		44,059
9.00% senior priority guaranteed notes due February 2025			218,082		229,869		192,032		185,221
7.25% senior guaranteed notes due January 2026			559,978		550,240		559,978		396,106
7.50% senior guaranteed notes due January 2028			389,609		376,409		389,609		267,369
2018 revolving credit facility			557,500		557,500		672,500		672,500
		$	2,842,710	$	2,783,685	$	2,990,971	$	2,229,649
Less: deferred financing costs			19,585				22,270
		$	2,823,125			$	2,968,701

The fair values of our cash equivalents, trade receivables and trade payables approximate their carrying values due to the short-term nature of these instruments.

Note 8 Commitments and Contingencies

Contingencies

Income Tax

We operate in a number of countries and our tax returns filed in those jurisdictions are subject to review and examination by tax authorities within those jurisdictions. We do not recognize the benefit of income tax positions we believe are more likely than not to be disallowed upon challenge by a tax authority. If any tax authority successfully challenges our operational structure, intercompany pricing policies or the taxable presence of our subsidiaries in certain countries, if the terms of certain income tax treaties are interpreted in a manner that is adverse to our structure, or if we lose a material tax dispute in any country, our effective tax rate on our worldwide earnings could change substantially.

In certain jurisdictions we have recognized deferred tax assets and liabilities. Judgment and assumptions are required in determining whether deferred tax assets will be fully or partially utilized. When we estimate that all or some portion of certain deferred tax assets such as net operating loss carryforwards will not be utilized, we establish a valuation allowance for the amount we determine to be more likely than not unrealizable. We continually evaluate strategies that could allow for future utilization of our deferred assets. Any change in the ability to utilize such deferred assets will be accounted for in the period of the event affecting the valuation allowance. If facts and circumstances cause us to change our expectations regarding future tax consequences, the resulting adjustments could have a material effect on our financial results or cash flow. At this time, we consider it more likely than not that we will have sufficient taxable income in the future that will allow us to realize the deferred tax assets that we have recognized. However, it is possible that some of our recognized deferred tax assets, relating to net operating loss carryforwards, could expire unused or could carryforward indefinitely without utilization. Therefore, unless we are able to generate sufficient taxable income from our component operations, a substantial valuation allowance to reduce our deferred tax assets may be required, which would materially increase our tax expense in the period the allowance is recognized and materially adversely affect our results of operations and statement of financial condition.

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Litigation

Nabors and its subsidiaries are defendants or otherwise involved in a number of lawsuits in the ordinary course of business. We estimate the range of our liability related to pending litigation when we believe the amount and range of loss can be estimated. We record our best estimate of a loss when the loss is considered probable. When a liability is probable and there is a range of estimated loss with no best estimate in the range, we record the minimum estimated liability related to the lawsuits or claims. As additional information becomes available, we assess the potential liability related to our pending litigation and claims and revise our estimates. Due to uncertainties related to the resolution of lawsuits and claims, the ultimate outcome may differ from our estimates. For matters where an unfavorable outcome is reasonably possible and significant, we disclose the nature of the matter and a range of potential exposure, unless an estimate cannot be made at the time of disclosure. In the opinion of management and based on liability accruals provided, our ultimate exposure with respect to these pending lawsuits and claims is not expected to have a material adverse effect on our consolidated financial position or cash flows, although they could have a material adverse effect on our results of operations for a particular reporting period.

In March 2011, the Court of Ouargla entered a judgment of approximately $21.0 million (at June 30, 2021 exchange rates) against us relating to alleged violations of Algeria’s foreign currency exchange controls, which require that goods and services provided locally be invoiced and paid in local currency. The case relates to certain foreign currency payments made to us by CEPSA, a Spanish operator, for wells drilled in 2006. Approximately $7.5 million of the total contract amount was paid offshore in foreign currency, and approximately $3.2 million was paid in local currency. The judgment includes fines and penalties of approximately four times the amount at issue. We have appealed the ruling based on our understanding that the law in question applies only to resident entities incorporated under Algerian law. An intermediate court of appeals upheld the lower court’s ruling, and we appealed the matter to the Supreme Court. On September 25, 2014, the Supreme Court overturned the verdict against us, and the case was reheard by the Ouargla Court of Appeals on March 22, 2015 in light of the Supreme Court’s opinion. On March 29, 2015, the Ouargla Court of Appeals reinstated the initial judgment against us. We appealed this decision again to the Supreme Court and the Court has annulled the decision of the Ouargla Court of Appeals.  Accordingly, the case is being sent back to the Court of Ouargla for further proceedings on October 10, 2021 consistent with the Supreme Court’s ruling. While our payments were consistent with our historical operations in the country, and, we believe, those of other multinational corporations there, as well as interpretations of the law by the Central Bank of Algeria, the ultimate resolution of this matter could result in a loss of up to $13.0 million in excess of amounts accrued.

Following a routine audit conducted in May and June of 2018 by the Atyrau Oblast Ecology Department (the “AOED”), our joint venture in Kazakhstan, KMG Nabors Drilling Company (“KNDC”), was administratively fined for not having emissions permits for KNDC owned or leased equipment.  Prior to this audit, the AOED had always accepted the operator’s permits for all their subcontractors. However, because of major personnel changes, AOED changed their position and is now requiring that the owner/lessor of the equipment that emits the pollutants must have its own permits.  Administrative fines have been issued to KNDC and were paid in the amount of $0.8 million for violations regarding the failure to have proper permits. AOED had also assessed additional “environmental damages” in the amount of $3.4 million for the period while KNDC did not hold its’ own emissions permit. However, KNDC appealed this fine and the AOED Economic Court ruled in KNDC’s favor. AOED appealed this decision, which was reversed on February 21, 2020.  KNDC has further appealed and is awaiting rulings. Additional damages in the form of later year audits and taxes were assumed exposing KNDC to possible penalties and fines. KNDC and the operator have executed an agreement (SLA) formalizing the operator’s obligation to reimburse KNDC for many of the financial expenses related to this case as well as penalties and expenses related to future audit periods.  Since 2019 KNDC holds its own permits. Another audit by AOED was performed for the second half of 2018, and KNDC is awaiting final rulings.  Meanwhile, KNDC has received notice from government officials that certain of our employees may be held personally responsible. We continue to be engaged and are monitoring the situation.

Off-Balance Sheet Arrangements (Including Guarantees)

We are a party to some transactions, agreements or other contractual arrangements defined as “off-balance sheet arrangements” that could have a material future effect on our financial position, results of operations, liquidity and capital resources. The most significant of these off-balance sheet arrangements include the A/R Facility (see Note 4—Accounts Receivable Sales Agreement) and certain agreements and obligations under which we provide financial or performance assurance to third parties. Certain of these financial or performance assurances serve as guarantees, including standby letters of credit issued on behalf of insurance carriers in conjunction with our workers’ compensation

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insurance program and other financial surety instruments such as bonds. In addition, we have provided indemnifications, which serve as guarantees, to some third parties. These guarantees include indemnification provided by Nabors to our share transfer agent and our insurance carriers. We are not able to estimate the potential future maximum payments that might be due under our indemnification guarantees.

Management believes the likelihood that we would be required to perform or otherwise incur any material losses associated with any of these guarantees is remote. The following table summarizes the total maximum amount of financial guarantees issued by Nabors:

	Maximum Amount
	2021		2022	2023	Thereafter	Total
	(In thousands)
Financial standby letters of credit and other financial surety instruments	$	46,462	140,828	112	50	$	187,452

Note 9 Earnings (Losses) Per Share

ASC 260, Earnings per Share, requires companies to treat unvested share-based payment awards that have nonforfeitable rights to dividends or dividend equivalents as a separate class of securities in calculating earnings (losses) per share. We have granted and expect to continue to grant to employees restricted stock grants that contain nonforfeitable rights to dividends. Such grants are considered participating securities under ASC 260. As such, we are required to include these grants in the calculation of our basic earnings (losses) per share and calculate basic earnings (losses) per share using the two-class method. The two-class method of computing earnings per share is an earnings allocation formula that determines earnings per share for each class of common stock and participating security according to dividends declared and participation rights in undistributed earnings. The participating security holders are not contractually obligated to share in losses. Therefore, losses are not allocated to the participating security holders.

Basic earnings (losses) per share is computed utilizing the two-class method and is calculated based on the weighted-average number of common shares outstanding during the periods presented.

Diluted earnings (losses) per share is computed using the weighted-average number of common and common equivalent shares outstanding during the periods utilizing the two-class method for stock options and unvested restricted shares.

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A reconciliation of the numerators and denominators of the basic and diluted earnings (losses) per share computations is as follows:

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2021		2020		2021		2020
	(In thousands, except per share amounts)
BASIC EPS:
Net income (loss) (numerator):
Income (loss) from continuing operations, net of tax		$	(190,403)	$	(137,968)	$	(318,732)	$	(512,237)
Less: net (income) loss attributable to noncontrolling interest			(5,614)		(10,167)		(14,390)		(27,632)
Less: preferred stock dividends			—		(3,653)		(3,653)		(7,305)
Less: accrued distribution on redeemable noncontrolling interest in subsidiary			(2,330)		(4,307)		(4,732)		(8,739)
Less: distributed and undistributed earnings allocated to unvested shareholders			—		—		—		(125)
Numerator for basic earnings per share:
Adjusted income (loss) from continuing operations, net of tax - basic		$	(198,347)	$	(156,095)	$	(341,507)	$	(556,038)
Income (loss) from discontinued operations, net of tax		$	8	$	23	$	27	$	(70)
Weighted-average number of shares outstanding - basic			7,460		7,052		7,281		7,052
Earnings (losses) per share:
Basic from continuing operations		$	(26.59)	$	(22.13)	$	(46.90)	$	(78.85)
Basic from discontinued operations			—		—		—		(0.01)
Total Basic		$	(26.59)	$	(22.13)	$	(46.90)	$	(78.86)
DILUTED EPS:
Adjusted income (loss) from continuing operations, net of tax - basic		$	(198,347)	$	(156,095)	$	(341,507)	$	(556,038)
Add: effect of reallocating undistributed earnings of unvested shareholders			—		—		—		—
Adjusted income (loss) from continuing operations, net of tax - diluted		$	(198,347)	$	(156,095)	$	(341,507)	$	(556,038)
Income (loss) from discontinued operations, net of tax		$	8	$	23	$	27	$	(70)
Weighted-average number of shares outstanding - basic			7,460		7,052		7,281		7,052
Add: dilutive effect of potential common shares			—		—		—		—
Weighted-average number of shares outstanding - diluted			7,460		7,052		7,281		7,052
Earnings (losses) per share:
Diluted from continuing operations		$	(26.59)	$	(22.13)	$	(46.90)	$	(78.85)
Diluted from discontinued operations			—		—		—		(0.01)
Total Diluted		$	(26.59)	$	(22.13)	$	(46.90)	$	(78.86)

For all periods presented, the computation of diluted earnings (losses) per share excludes outstanding stock options with exercise prices greater than the average market price of Nabors’ common shares, because their inclusion would be anti-dilutive and because they are not considered participating securities. In any period during which the average market price of Nabors’ common shares exceeds the exercise prices of these stock options, such stock options will be included in our diluted earnings (losses) per share computation using the if-converted method of accounting. Restricted stock is included in our basic and diluted earnings (losses) per share computation using the two-class method of accounting in all periods because such stock is considered participating securities. For periods in which we experience a net loss from continuing operations, all potential common shares have been excluded from the calculation of weighted-average shares outstanding, because their inclusion would be anti-dilutive. The average number of shares from options that were excluded from diluted earnings (losses) per share that would potentially dilute earnings per share in the future were as follows:

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		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2021		2020		2021		2020
	(In thousands)
Potentially dilutive securities excluded as anti-dilutive			75		67		74		67

Additionally, through the first quarter of 2021, we excluded 0.79 million common shares from the computation of diluted shares issuable upon the conversion of mandatory convertible preferred shares, because their effect would be anti-dilutive under the if-converted method. Starting in the second quarter of 2021, we excluded 5.0 million shares from the computation of diluted shares related to the warrants issued because their effect would be anti-dilutive under the if-converted method.

Note 10 Impairments and Other Charges

The components of impairments and other charges are provided below:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2021		2020		2021		2020
	(in thousands)
Goodwill impairments	$	—	$	—	$	—	$	27,798
Intangible asset impairment		—		1		—		83,625
US Drilling		—		4,961		—		87,333
Canada Drilling		58,000		—		58,000		—
International Drilling		—		32,591		215		63,076
Drilling Solutions		—		8,832		—		28,641
Rig Technologies		—		(90)		418		2,708
Oil and gas related assets		—		—		—		12,286
Severance and transaction related costs		1,513		11,176		2,592		11,835
Other assets		355		381		1,126		16,984
Total	$	59,868	$	57,852	$	62,351		334,286

We review our assets for impairment when events or changes in circumstances indicate that their carrying amounts may not be recoverable. If the estimated undiscounted future cash flows are not sufficient to support the asset’s recorded value, an impairment charge is recognized to the extent the carrying amount of the long-lived asset exceeds its estimated fair value. Management considers a number of factors such as estimated future cash flows from the assets, appraisals and current market value analysis in determining fair value. The determination of future cash flows requires the estimation of utilization, dayrates, operating margins, sustaining capital and remaining economic life. Such estimates can change based on market conditions, technological advances in the industry or changes in regulations governing the industry. A significantly prolonged period of lower oil and natural gas prices could continue to adversely affect the demand for and prices of our services, which could result in future impairment charges.

For the three and six months ended June 30, 2021

Canada Drilling

During the three months ended June 30, 2021, we recognized an impairment of $58.0 million related to the reclassification of the Canada Drilling assets to assets held for sale.

Rig Technologies

As a result of our periodic analysis on inventories for our Rig Technologies segment, we recorded a $0.4 million provision for obsolescence.

Severance and transaction related costs

During the six months ended June 30, 2021, we recognized charges of $2.6 million due to severance and other related costs incurred to right-size our cost structure.

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Other assets

We wrote down or provided for $1.1 million of certain other assets including receivables related to our operations. The charges were primarily attributable to markets which have been adversely impacted by foreign sanctions or other political risk issues as well as bankruptcies or other financial problems.

For the three and six months ended June 30, 2020

Goodwill impairments

We have historically performed our annual goodwill impairment test during the second quarter of each year. In addition to our annual impairment test, we are required to regularly assess whether a triggering event has occurred which would require interim impairment testing. Due to industry conditions during the first quarter of 2020 and the corresponding impact on future expectations of demand for our products and services, including the effect on our stock price, we determined a triggering event had occurred and performed a quantitative impairment assessment of our goodwill. Based on the results of our goodwill test performed, we recognized impairment charges to write off the remaining goodwill balances attributable to our Drilling Solutions and Rig Technologies operating segments of $11.4 million and $16.4 million, respectively.

Intangible asset impairments

We also reviewed our intangible assets for impairment in the first quarter of 2020 as a result of the industry conditions. The fair value of our intangible assets is determined using discounted cash flow models. Based on our updated projections of future cash flows, the fair value of our intangible assets did not support the carrying value. As such, we recognized an impairment of $83.6 million to write off all remaining intangible assets attributable to our Drilling Solutions and Rig Technologies operating segments.

US Drilling

Due to the sharp decline in activity as a result of industry conditions in the US in the first part of the year relative to the same period in the prior year, we recorded impairments of $33.3 million and functionally retired $54.0 million of our lower specification rigs in the Lower 48 and Alaska markets totaling approximately $87.3 million. We determined that the assets were either functionally obsolete, would be no longer used, or the carrying value was not fully recoverable and was in excess of its fair value.

International Drilling

We impaired $30.5 million during the three months ended March 31, 2020, which represented rig and drilling-related equipment in international markets which have been impacted by market conditions and other factors.

During the second quarter of 2020, we wrote off all the remaining value on our rig and drilling-related equipment in Venezuela due to our lack of work in the country and limited visibility to any possibility of further work.

Drilling Solutions

We impaired or retired $28.6 million of fixed assets, equipment and inventory in our Drilling Solutions segment as a result of the significant decline in utilization experienced over the first half of the year due to industry conditions. We determined that the assets were either functionally obsolete, would be no longer used, or the carrying value was not fully recoverable and was in excess of its fair value.

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Rig Technologies

As a result of our periodic analysis on inventories for our Rig Technologies segment, we recorded a $2.7 million provision for obsolescence.

Oil & gas related assets

In the first quarter of 2020, we recognized an impairment of $12.3 million to various assets related to our retained interest in the oil and gas properties located on the North Slope of Alaska.

Severance and transaction related costs

During the six months ended June 30, 2020, we recognized charges of $11.8 million due to severance and other related costs incurred to right-size our cost structure.

Other assets

We wrote down or provided for $17.0 million of certain other assets including receivables related to our operations. The charges were primarily attributable to markets which have been adversely impacted by foreign sanctions or other political risk issues as well as bankruptcies or other financial problems.

Note 11 Supplemental Balance Sheet and Income Statement Information

Accrued liabilities included the following:

	June 30,		December 31,
	2021		2020
	(In thousands)
Accrued compensation	$	71,278	$	82,462
Deferred revenue and proceeds on insurance and asset sales		69,654		61,473
Other taxes payable		29,027		28,602
Workers’ compensation liabilities		7,788		7,788
Interest payable		70,245		62,935
Litigation reserves		14,621		13,976
Dividends declared and payable		—		3,653
Other accrued liabilities		8,277		15,196
	$	270,890	$	276,085

Investment income (loss) includes the following:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2021		2020		2021		2020
	(In thousands)
Interest and dividend income	$	(290)	$	1,230	$	1,003	$	3,603
Gains (losses) on marketable securities		228		806		198		(4,765)
	$	(62)	$	2,036	$	1,201	$	(1,162)

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Other, net included the following:

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2021		2020		2021		2020
	(In thousands)
Losses (gains) on sales, disposals and involuntary conversions of long-lived assets		$	8,965	$	1,037	$	17,488	$	2,428
Litigation expenses and reserves			1,847		1,412		3,341		2,112
Foreign currency transaction losses (gains)			148		2,727		2,527		2,082
(Gain) loss on debt buyback			(123)		(35,936)		(8,185)		(51,678)
Other losses (gains)			(4,250)		(35)		(3,721)		(2,849)
		$	6,587	$	(30,795)	$	11,450	$	(47,905)

The changes in accumulated other comprehensive income (loss), by component, included the following:

	Gains		Defined
	(losses) on		benefit		Foreign
	cash flow		pension plan		currency
	hedges		items		items		Total
	(In thousands (1) )
As of January 1, 2020	$	(65)	$	(3,778)	$	(7,945)	$	(11,788)
Other comprehensive income (loss) before reclassifications		—		—		(10,694)		(10,694)
Amounts reclassified from accumulated other comprehensive income (loss)		214		80		—		294
Net other comprehensive income (loss)		214		80		(10,694)		(10,400)
As of June 30, 2020	$	149	$	(3,698)	$	(18,639)	$	(22,188)

(1) All amounts are net of tax.

	Gains		Defined
	(losses) on		benefit		Foreign
	cash flow		pension plan		currency
	hedges		items		items		Total
	(In thousands (1) )
As of January 1, 2021	$	2	$	(3,616)	$	(7,510)	$	(11,124)
Other comprehensive income (loss) before reclassifications		—		(1,900)		4,320		2,420
Amounts reclassified from accumulated other comprehensive income (loss)		—		80		—		80
Net other comprehensive income (loss)		—		(1,820)		4,320		2,500
As of June 30, 2021	$	2	$	(5,436)	$	(3,190)	$	(8,624)

(1) All amounts are net of tax.

The line items that were reclassified to net income included the following:

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2021		2020		2021		2020
	(In thousands)
Interest expense		$	—	$	142	$	—	$	284
General and administrative expenses			52		52		104		104
Total income (loss) from continuing operations before income tax			(52)		(194)		(104)		(388)
Tax expense (benefit)			(12)		(47)		(24)		(94)
Reclassification adjustment for (gains)/ losses included in net income (loss)		$	(40)	$	(147)	$	(80)	$	(294)

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Note 12 Segment Information

The following table sets forth financial information with respect to our reportable operating segments:

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2021		2020		2021		2020
	(In thousands)
Operating revenues:
U.S. Drilling		$	161,606	$	173,784	$	303,905	$	448,685
Canada Drilling			12,313		3,564		33,302		29,155
International Drilling			255,282		301,078		502,120		638,188
Drilling Solutions			39,111		33,129		74,817		88,513
Rig Technologies			34,552		33,582		60,300		75,732
Other reconciling items (1)			(13,531)		(11,206)		(24,600)		(27,978)
Total		$	489,333	$	533,931	$	949,844	$	1,252,295

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2021		2020		2021		2020
	(In thousands)
Adjusted operating income (loss): (2)
U.S. Drilling		$	(20,869)	$	(23,395)	$	(44,205)	$	(30,799)
Canada Drilling			(2,608)		(5,795)		1,299		(5,758)
International Drilling			(8,439)		276		(27,071)		(3,871)
Drilling Solutions			6,524		1,733		11,234		12,282
Rig Technologies			(692)		(1,492)		(3,261)		(9,643)
Total segment adjusted operating income (loss)		$	(26,084)	$	(28,673)	$	(62,004)	$	(37,789)

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2021		2020		2021		2020
	(In thousands)
Reconciliation of segment adjusted operating income (loss) to net income (loss) from continuing operations before income taxes:
Total segment adjusted operating income (loss) (2)		$	(26,084)	$	(28,673)	$	(62,004)	$	(37,789)
Other reconciling items (3)			(31,369)		(28,622)		(64,995)		(58,838)
Investment income (loss)			(62)		2,036		1,201		(1,162)
Interest expense			(41,714)		(51,206)		(84,689)		(105,928)
Impairments and other charges			(59,868)		(57,852)		(62,351)		(334,286)
Other, net			(6,587)		30,795		(11,450)		47,905
Income (loss) from continuing operations before income taxes		$	(165,684)	$	(133,522)	$	(284,288)	$	(490,098)

	June 30,		December 31,
	2021		2020
	(In thousands)
Total assets:
U.S. Drilling	$	1,724,672	$	1,871,008
Canada Drilling		109,437		174,123
International Drilling		2,493,823		2,688,912
Drilling Solutions		82,705		100,278
Rig Technologies		208,611		225,954
Other reconciling items (3)		423,070		443,153
Total	$	5,042,318	$	5,503,428

(1) Represents the elimination of inter-segment transactions related to our Rig Technologies operating segment.

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(2) Adjusted operating income (loss) represents income (loss) from continuing operations before income taxes, interest expense, earnings (losses) from unconsolidated affiliates, investment income (loss), impairments and other charges and other, net. Management evaluates the performance of our operating segments using adjusted operating income (loss), which is a segment performance measure, because it believes that this financial measure reflects our ongoing profitability and performance. In addition, securities analysts and investors use this measure as one of the metrics on which they analyze our performance. A reconciliation to income (loss) from continuing operations before income taxes is provided in the above table.

(3) Represents the elimination of inter-segment transactions and unallocated corporate expenses and assets.

Note 13 Revenue Recognition

We recognize revenue when control of a good or service promised in a contract (i.e., performance obligation) is transferred to a customer. Control is obtained when a customer has the ability to direct the use of and obtain substantially all of the remaining benefits from that good or service. Contract drilling revenues are recorded over time utilizing the input method based on time elapsed. The measurement of progress considers the transfer of the service to the customer as we provide daily drilling services. We receive payment after the services have been performed by billing customers periodically (typically monthly). However, a portion of our revenues are recognized at a point-in-time as control is transferred at a distinct point in time such as with the sale of our top drives and other capital equipment. Within our drilling contracts, we have identified one performance obligation in which the transaction price is allocated.

Disaggregation of revenue

In the following table, revenue is disaggregated by geographical region. The table also includes a reconciliation of the disaggregated revenue with the reportable segments:

	Three Months Ended
	June 30, 2021
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	121,360	$	—	$	—	$	21,436	$	15,448	$	—	$	158,244
U.S. Offshore Gulf of Mexico		32,967		—		—		1,822		—		—		34,789
Alaska		7,279		—		—		185		14		—		7,478
Canada		—		12,313		—		204		1,383		—		13,900
Middle East & Asia		—		—		174,339		9,457		13,575		—		197,371
Latin America		—		—		57,931		5,658		163		—		63,752
Europe, Africa & CIS		—		—		23,012		349		3,969		—		27,330
Eliminations & other		—		—		—		—		—		(13,531)		(13,531)
Total	$	161,606	$	12,313	$	255,282	$	39,111	$	34,552	$	(13,531)	$	489,333

	Six Months Ended
	June 30, 2021
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	230,896	$	—	$	—	$	39,884	$	27,985	$	—	$	298,765
U.S. Offshore Gulf of Mexico		60,159		—		—		4,558		—		—		64,717
Alaska		12,850		—		—		322		14		—		13,186
Canada		—		33,302		—		658		2,283		—		36,243
Middle East & Asia		—		—		342,525		18,448		22,655		—		383,628
Latin America		—		—		113,839		10,224		176		—		124,239
Europe, Africa & CIS		—		—		45,756		723		7,187		—		53,666
Eliminations & other		—		—		—		—		—		(24,600)		(24,600)
Total	$	303,905	$	33,302	$	502,120	$	74,817	$	60,300	$	(24,600)	$	949,844

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	Three Months Ended
	June 30, 2020
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	128,814	$	—	$	—	$	19,325	$	12,108	$	—	$	160,247
U.S. Offshore Gulf of Mexico		36,682		—		—		1,867		—		—		38,549
Alaska		8,288		—		—		244		27		—		8,559
Canada		—		3,564		—		78		584		—		4,226
Middle East & Asia		—		—		193,313		10,496		16,581		—		220,390
Latin America		—		—		49,700		555		(30)		—		50,225
Europe, Africa & CIS		—		—		58,065		564		4,312		—		62,941
Eliminations & other		—		—		—		—		—		(11,206)		(11,206)
Total	$	173,784	$	3,564	$	301,078	$	33,129	$	33,582	$	(11,206)	$	533,931

	Six Months Ended
	June 30, 2020
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	349,043	$	—	$	—	$	55,037	$	32,640	$	—	$	436,720
U.S. Offshore Gulf of Mexico		75,738		—		—		5,033		—		—		80,771
Alaska		23,904		—		—		1,230		18		—		25,152
Canada		—		29,155		—		808		2,196		—		32,159
Middle East & Asia		—		—		394,490		21,534		32,134		—		448,158
Latin America		—		—		133,919		3,382		122		—		137,423
Europe, Africa & CIS		—		—		109,779		1,489		8,622		—		119,890
Eliminations & other		—		—		—		—		—		(27,978)		(27,978)
Total	$	448,685	$	29,155	$	638,188	$	88,513	$	75,732	$	(27,978)	$	1,252,295

Contract balances

We perform our obligations under a contract with a customer by transferring goods or services in exchange for consideration from the customer. We recognize a contract asset or liability when we transfer goods or services to a customer and bill an amount which differs from the revenue allocated to the related performance obligations.

The timing of revenue recognition may differ from the timing of invoicing to customers and these timing differences result in receivables, contract assets, or contract liabilities (deferred revenue) on our condensed consolidated balance sheet. In general, we receive payments from customers based on dayrates as stipulated in our contracts (i.e. operating rate, standby rate). The invoices billed to the customer are based on the varying rates applicable to the operating status on each rig. Accounts receivable are recorded when the right to consideration becomes unconditional.

Dayrate contracts also may contain fees charged to the customer for up-front rig modifications, mobilization and demobilization of equipment and personnel. These fees are associated with contract fulfillment activities, and the related revenue (subject to any constraint on estimates of variable consideration) is allocated to a single performance obligation and recognized ratably over the initial term of the contract. Mobilization fees are generally billable to the customer in the initial phase of a contract and generate contract liabilities until they are recognized as revenue. Demobilization fees are generally received at the end of the contract and generate contract assets when they are recognized as revenue prior to becoming receivables from the customer.

We receive reimbursements from our customers for the purchase of supplies, equipment, personnel services and other services provided at their request. Reimbursable revenues are variable and subject to uncertainty as the amounts received and timing thereof are dependent on factors outside of our influence. Accordingly, these revenues are constrained and not recognized until the uncertainty is resolved, which typically occurs when the related costs are incurred on behalf of the customer. We are generally considered a principal in these transactions and record the associated revenues at the gross amounts billed to the customer.

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The opening and closing balances of our receivables, contract assets and current and long-term contract liabilities are as follows:

			Contract		Contract		Contract		Contract
	Contract		Assets		Assets		Liabilities		Liabilities
	Receivables		(Current)		(Long-term)		(Current)		(Long-term)
	(In millions)
As of December 31, 2020	$	427.2	$	23.5	$	6.8	$	42.8	$	44.2
As of June 30, 2021	$	379.8	$	26.6	$	5.3	$	46.9	$	35.6

Approximately 39% of the contract liability balance at the beginning of the period is expected to be recognized as revenue during 2021, of which 13% was recognized during the six months ended June 30, 2021, and 20% is expected to be recognized during 2022. The remaining 41% of the contract liability balance at the beginning of the period is expected to be recognized as revenue during 2023 or thereafter.

Additionally, 68% of the contract asset balance at the beginning of the period is expected to be recognized as expense during 2021, of which 35% was recognized during the six months ended June 30, 2021, and 26% is expected to be recognized during 2022. The remaining 6% of the contract asset balance at the beginning of the period is expected to be recognized as expense during 2023 or thereafter. This disclosure does not include variable consideration allocated entirely to a wholly unsatisfied performance obligation or promise to transfer a distinct good or service that forms part of a single performance obligation.

Note 14 Assets Held for Sale

Assets held for sale as of June 30, 2021 and December 31, 2020 was $111.7 million and $16.6 million, respectively. At June 30, 2021, $95.0 million of the assets consisted of our Canada Drilling segment assets. These assets include our fleet of 35 land-based drilling rigs and related equipment and property which the company has entered into an agreement to sell. The sale closed during July 2021. The remainder of the assets held for sale represent rigs located in Algeria.

The carrying value of the assets held for sale represents the lower of carrying value or fair value less costs to sell.

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ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

We often discuss expectations regarding our future markets, demand for our products and services, and our performance in our annual, quarterly and current reports, press releases, and other written and oral statements. Statements relating to matters that are not historical facts are “forward-looking statements” within the meaning of the safe harbor provisions of Section 27A of the Securities Act of 1933, as amended (the “Securities Act”) and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). These “forward-looking statements” are based on an analysis of currently available competitive, financial and economic data and our operating plans. They are inherently uncertain and investors should recognize that events and actual results could turn out to be significantly different from our expectations. By way of illustration, when used in this document, words such as “anticipate,” “believe,” “expect,” “plan,” “intend,” “estimate,” “project,” “will,” “should,” “could,” “may,” “predict” and similar expressions are intended to identify forward-looking statements.

You should consider the following key factors when evaluating these forward-looking statements:

● the novel coronavirus (“COVID-19”) pandemic and its impact on our operations as well as oil and gas markets and prices;

● fluctuations and volatility in worldwide prices of and demand for oil and natural gas;

● fluctuations in levels of oil and natural gas exploration and development activities;

● fluctuations in the demand for our services;

● competitive and technological changes and other developments in the oil and gas and oilfield services industries;

● our ability to renew customer contracts in order to maintain competitiveness;

● the existence of operating risks inherent in the oil and gas and oilfield services industries;

● the possibility of the loss of one or a number of our large customers;

● the impact of long-term indebtedness and other financial commitments on our financial and operating flexibility;

● our access to and the cost of capital, including the impact of a downgrade in our credit rating, covenant restrictions, availability under our revolving credit facility, and future issuances of debt or equity securities;

● our dependence on our operating subsidiaries and investments to meet our financial obligations;

● our ability to retain skilled employees;

● our ability to complete, and realize the expected benefits of, strategic transactions;

● changes in tax laws and the possibility of changes in other laws and regulations;

● the possibility of political or economic instability, civil disturbance, war or acts of terrorism in any of the countries in which we do business;

● the possibility of changes to U.S. trade policies and regulations including the imposition of trade embargoes or sanctions; and

● general economic conditions, including the capital and credit markets.

Our business depends, to a large degree, on the level of spending by oil and gas companies for exploration, development and production activities. Therefore, a sustained increase or decrease in the price of oil or natural gas, that

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has a material impact on exploration, development and production activities, could also materially affect our financial position, results of operations and cash flows.

The above description of risks and uncertainties is by no means all-inclusive but highlights certain factors that we believe are important for your consideration. For a more detailed description of risk factors that may affect us or our industry, please refer to Item 1A. — Risk Factors in our 2020 Annual Report and Part II, Item 1A. — Risk Factors in this report.

Management Overview

This section is intended to help you understand our results of operations and our financial condition. This information is provided as a supplement to, and should be read in conjunction with, our condensed consolidated financial statements and the accompanying notes thereto.

We own and operate one of the world’s largest land-based drilling rig fleets and provide offshore rigs in the United States and numerous international markets. Our business is comprised of our global land-based and offshore drilling rig operations and other rig related services and technologies, consisting of equipment manufacturing, rig instrumentation and optimization software. We also specialize in tubular running services, wellbore placement solutions and are a leading provider of directional drilling and measurement-while-drilling systems and services.

Outlook

The demand for our products and services is a function of the level of spending by oil and gas companies for exploration, development and production activities. The level of exploration, development and production activities is to a large extent tied to the prices of oil and natural gas, which can fluctuate significantly, are highly volatile and tend to be highly sensitive to supply and demand cycles. Additionally, some oil and gas companies may intentionally limit their capital spending to a percentage of their operating cash flows that may be different than what they have used historically, in order to increase returns to their shareholders.

During 2020, the oil markets experienced unprecedented volatility. The COVID-19 outbreak, and its development into a pandemic, along with policies and actions taken by governments and companies and behaviors of customers around the world, had a significant negative impact on demand for oil. The Lower-48 drilling rig market began to stabilize during the second half of 2020. We expect measured but steady increases in activity throughout 2021 for the Lower-48 market. Our International markets have also experienced factors and conditions that have led to similar reductions in activity throughout 2020, but the impact has varied considerably from country to country. As government-imposed restrictions continue to ease, we expect our international activity to generally increase through the remainder of the year.

Recent Developments

Common stock warrants

On May 27, 2021, the Board declared a distribution to holders of the Company’s common shares of warrants to purchase its common shares (the “Warrants”). Holders of Nabors common shares received two-fifths of a warrant per common share held as of the record date (rounded down for any fractional warrant). Nabors issued approximately 3,236,430 warrants on June 11, 2021 to shareholders of record as of June 4, 2021.

Each Warrant will represent the right to purchase one common share at an initial exercise price of $166.66667 per Warrant, subject to certain adjustments (the “Exercise Price”). In addition, Warrants submitted for exercise may be eligible to receive an additional one-third common share due to the incentive share component. The incentive share is an extra amount of common shares that Nabors will award when the volume weighted average price of Nabors’ common shares on the day before any Warrant holder exercises its Warrants multiplied by three is at least 6% higher than the sum of the volume weighted average prices of Nabors’ common shares on each of the second, third and fourth days before any Warrant holder exercises its Warrants. Payment for common shares on exercise of Warrants may be in (i) cash or (ii) “Designated Notes,” which the Company initially defines as (a) Nabors Delaware’s (i) 5.10% Notes due 2023, (ii) 0.75% Exchangeable Notes due 2024, (iii) 5.75% Notes due 2025 and (b) the Company’s 7.25% Notes due 2026, subject to compliance with applicable procedures with respect to the delivery of the Warrants and Designated Notes. The

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Exercise Price and the number of common shares issuable upon exercise are subject to anti-dilution adjustments, including for share dividends, splits, subdivisions, spin-offs, consolidations, reclassifications, combinations, noncash distributions, cash dividends (other than regular quarterly cash dividends not exceeding a permitted threshold amount), certain pro rata repurchases and similar transactions, including certain issuances of common shares (or securities exercisable or convertible into or exchangeable for common shares) at a price (or having a conversion price) that is less than 95% of the market price of the common shares. The Warrants may be exercised up to 5:00 p.m. New York City time on the expiration date, which is currently June 11, 2026, but may be accelerated at any time by the Company upon 20-days’ prior notice. The Company has listed the Warrants on the over-the-counter market.

Canada Asset Sale

During the second quarter of 2021, Nabors entered into an agreement to sell the assets of its Canada Drilling segment for $117.5 million CAD (or approximately $95.5 million USD). The sale closed during July 2021.

Financial Results

Comparison of the three months ended June 30, 2021 and 2020

Operating revenues for the three months ended June 30, 2021 totaled $489.3 million, representing a decrease of $44.6 million, or 8%, compared to the three months ended June 30, 2020. Revenues declined due to the impact on our businesses brought on by the COVID-19 outbreak.  Our International Drilling segment experienced a decline in activity as evidenced by the 17% decline in average rigs working. For a more detailed description of operating results see Segment Results of Operations, below.

Net loss from continuing operations attributable to Nabors common shareholders totaled $196.0 million ($26.59 per diluted share) for the three months ended June 30, 2021 compared to a net loss from continuing operations attributable to Nabors common shareholders of $151.8 million ($22.13 per diluted share) for the three months ended June 30, 2020, or a $44.2 million increase in the net loss. The majority of the increase in net loss is attributable to $35.9 million in gains in debt buybacks recognized during the three months ended June 30, 2020.

General and administrative expenses for the three months ended June 30, 2021 totaled $51.6 million, representing an increase of $5.3 million, or 12%, compared to the three months ended June 30, 2020. This is reflective of workforce cost reductions taken in the quarter ending June 30, 2020 due to industry market conditions.

Research and engineering expenses for the three months ended June 30, 2021 totaled $8.0 million, representing an increase of $0.7 million, or 9%, compared to the three months ended June 30, 2020. The increase is attributable to work force cost reductions taken in the quarter ending June 30, 2020 due to industry market conditions.

Depreciation and amortization expense for the three months ended June 30, 2021 was $174.8 million, representing a decrease of $36.3 million, or 17%, compared to the three months ended June 30, 2020. The decrease is partially attributable to the reduction in rig activity in the current year as compared to the prior year. Impairment charges recorded throughout 2020 also contributed to the decrease in the current period, along with the combination of many assets recently reaching the ends of their useful lives and limited capital expenditures over recent years.

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Segment Results of Operations

The following tables set forth certain information with respect to our reportable segments and rig activity:

	Three Months Ended
	June 30,
	2021		2020		Increase/(Decrease)
U.S. Drilling
Operating revenues	$	161,606	$	173,784	$	(12,178)	(7)	%
Adjusted operating income (loss) (1)	$	(20,869)	$	(23,395)	$	2,526	11	%
Average rigs working (2)		69.2		63.8		5.4	8	%
Canada Drilling
Operating revenues	$	12,313	$	3,564	$	8,749	245	%
Adjusted operating income (loss) (1)	$	(2,608)	$	(5,795)	$	3,187	55	%
Average rigs working (2)		8.2		2.2		6.0	273	%
International Drilling
Operating revenues	$	255,282	$	301,078	$	(45,796)	(15)	%
Adjusted operating income (loss) (1)	$	(8,439)	$	276	$	(8,715)	(3,158)	%
Average rigs working (2)		68.3		82.4		(14.1)	(17)	%
Drilling Solutions
Operating revenues	$	39,111	$	33,129	$	5,982	18	%
Adjusted operating income (loss) (1)	$	6,524	$	1,733	$	4,791	276	%
Rig Technologies
Operating revenues	$	34,552	$	33,582	$	970	3	%
Adjusted operating income (loss) (1)	$	(692)	$	(1,492)	$	800	54	%

(1) Adjusted operating income (loss) is our measure of segment profit and loss. See Note 12—Segment Information to the consolidated financial statements included in Item 1 of the report.

(2) Represents a measure of the average number of rigs operating during a given period. For example, one rig operating 45 days during a quarter represents approximately 0.5 average rigs working for the quarter. On an annual period, one rig operating 182.5 days represents approximately 0.5 average rigs working for the year.

U.S. Drilling

Operating revenues for our U.S. Drilling segment decreased by $12.2 million or 7% during the three months ended June 30, 2021 compared to the corresponding period in 2020. The increase of average rigs working of 8% was more than offset by pricing decreases for our services. This reduction in revenues was partially offset by significant cost reductions related to the drop in activity.

Canada Drilling

Operating revenues increased by $8.8 million during the three months ended June 30, 2021 compared to the corresponding prior year period primarily due to an increase in activity in average rigs working.

International Drilling

Operating revenues for our International Drilling segment decreased by $45.8 million or 15% compared to the corresponding prior year period primarily due to reduced activity, as reflected by the 17% decrease in the average number of rigs working. This reduction in revenues was partially offset by cost reductions related to the drop in activity.

Drilling Solutions

Operating revenues for this segment increased by $6.0 million or 18% during the three months ended June 30, 2021 compared to the corresponding period in 2020 primarily due to increased activity due to improved market conditions for this segment from the prior year related to the COVID-19 pandemic.

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Rig Technologies

Operating revenues for our Rig Technologies segment increased by $1.0 million or 3% during the three months ended June 30, 2021 compared to the corresponding period due to increased activity due to improved market conditions for this segment from the prior year related to the COVID-19 pandemic.

Other Financial Information

Interest expense

Interest expense for the three months ended June 30, 2021 was $41.7 million, representing a decrease of $9.5 million, or 19%, compared to the three months ended June 30, 2020. The decrease was primarily due to debt restructuring in Q4 2020 resulting in reduced interest expense.

Impairments and other charges

During the three months ended June 30, 2021, we recognized impairments and other charges of approximately $59.9 million, which primarily consisted of impairment of Canada Drilling assets now held for sale for $58.0 million. Also included in this amount is severance and reorganization costs of $1.5 million due to cost cutting measures that we enacted in response to the current industry environment, as well as write downs and provisions for $0.4 million of certain other assets including receivables related to our operations.

During the three months ended June 30, 2020, we recognized impairments and other charges of approximately $57.9 million, which primarily included impairments of long-lived assets of $46.4 million comprised of underutilized rigs and drilling-related equipment across our U.S. and International Drilling operating segments. Included in this amount was the remaining value on our rig and drilling-related equipment in Venezuela we wrote off due to our lack of work in the country and limited visibility to any possibility of further work We also incurred and recognized severance and reorganization costs of $11.2 million due to significant reductions in our workforce and cost cutting measures that we enacted in response to the current industry environment.

Other, net

Other, net for the three months ended June 30, 2021 was $6.6 million of loss, which included net losses on sales and disposals of assets of approximately $9.0 million and an increase in litigation reserves of $1.8 million.

Other, net for the three months ended June 30, 2020 was $30.8 million of income, which included a net gain on debt buybacks of $35.9 million. This was partially offset by net losses on sales and disposals of assets of approximately $1.0 million, foreign currency loss of $2.7 million and an increase in litigation reserves of $1.4 million.

Income taxes

Our worldwide tax expense for the three months ended June 30, 2021 was $24.7 million compared to $4.4 million for the three months ended June 30, 2020. The increase in tax expense was primarily attributable to a recorded liability for an uncertain tax position of $21.1 million, partially offset by a reduction in tax expense due to the change in amount and geographic mix of our pre-tax earnings (losses).

Comparison of the six months ended June 30, 2021 and 2020

Operating revenues for the six months ended June 30, 2021 totaled $949.8 million, representing a decrease of $302.5 million, or 24%, compared to the six months ended June 30, 2020. Revenues declined across all of our operating segments due to the impact on our businesses brought on by the COVID-19 outbreak.  Our International Drilling segment experienced the largest decline in activity as evidenced by the 21% decline in average rigs working. The US markets declined in activity, as evidenced by the 19% decline in average rigs working within our US Drilling operating segment.  Our Drilling Solutions and Rig Technology segments also are affected by the decline in activity in the US.  For a more detailed description of operating results see Segment Results of Operations, below.

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Net loss from continuing operations attributable to Nabors common shareholders totaled $336.8 million ($46.90 per diluted share) for the six months ended June 30, 2021 compared to a net loss from continuing operations attributable to Nabors common shareholders of $547.2 million ($78.85 per diluted share) for the six months ended June 30, 2020, or a $210.4 million improvement in the net loss. The majority of the decrease in net loss is attributable to $334.3 million in various impairments and other charges recognized during the six months ended June 30, 2020.

General and administrative expenses for the six months ended June 30, 2021 totaled $106.2 million, representing an increase of $2.6 million, or 3%, compared to the six months ended June 30, 2020. This is reflective of workforce cost reductions taken in the quarter ending June 30, 2020 due to industry market conditions.

Research and engineering expenses for the six months ended June 30, 2021 totaled $15.4 million, representing a decrease of $3.3 million, or 18%, compared to the six months ended June 30, 2020. The decrease is attributable to reductions in staffing levels and other cost control efforts across many of our research and engineering projects and initiatives due to current industry market conditions.

Depreciation and amortization expense for the six months ended June 30, 2021 was $352.1 million, representing a decrease of $86.1 million, or 20%, compared to the six months ended June 30, 2020. The decrease is partially attributable to the reduction in rig activity in the current year as compared to the prior year. Impairment charges recorded throughout 2020 also contributed to the decrease in the current period, along with the combination of many assets recently reaching the ends of their useful lives and limited capital expenditures over recent years.

Segment Results of Operations

The following tables set forth certain information with respect to our reportable segments and rig activity:

	Six Months Ended
	June 30,
	2021		2020		Increase/(Decrease)
	(In thousands, except percentages and rig activity)
U.S. Drilling
Operating revenues	$	303,905	$	448,685	$	(144,780)	(32)	%
Adjusted operating income (loss) (1)	$	(44,205)	$	(30,799)	$	(13,406)	(44)	%
Average rigs working (2)		64.9		80.1		(15.2)	(19)	%
Canada Drilling
Operating revenues	$	33,302	$	29,155	$	4,147	14	%
Adjusted operating income (loss) (1)	$	1,299	$	(5,758)	$	7,057	123	%
Average rigs working (2)		10.9		9.5		1.4	15	%
International Drilling
Operating revenues	$	502,120	$	638,188	$	(136,068)	(21)	%
Adjusted operating income (loss) (1)	$	(27,071)	$	(3,871)	$	(23,200)	(599)	%
Average rigs working (2)		66.5		84.6		(18.1)	(21)	%
Drilling Solutions
Operating revenues	$	74,817	$	88,513	$	(13,696)	(15)	%
Adjusted operating income (loss) (1)	$	11,234	$	12,282	$	(1,048)	(9)	%
Rig Technologies
Operating revenues	$	60,300	$	75,732	$	(15,432)	(20)	%
Adjusted operating income (loss) (1)	$	(3,261)	$	(9,643)	$	6,382	66	%

(1) Adjusted operating income (loss) is our measure of segment profit and loss. See Note 12—Segment Information to the consolidated financial statements included in Item 1 of the report.

(2) Represents a measure of the average number of rigs operating during a given period. For example, one rig operating 45 days during a quarter represents approximately 0.5 average rigs working for the quarter. On an annual period, one rig operating 182.5 days represents approximately 0.5 average rigs working for the year.

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U.S. Drilling

Operating revenues for our U.S. Drilling segment decreased by $144.8 million or 32% during the six months ended June 30, 2021 compared to the corresponding period in 2020 primarily due to a decrease in activity as reflected by a 19% decrease in the average number of rigs working. To a lesser degree, pricing for our services has also been negatively affected by the decline in activity.

Canada Drilling

Operating revenues increased by $4.1 million or 14% during the six months ended June 30, 2021 compared to the corresponding prior year period primarily due to an increase in activity as evidenced by the 15% increase in average rigs working.

International Drilling

Operating revenues for our International Drilling segment decreased by $136.1 million or 21% compared to the corresponding prior year period primarily due to reduced activity, as reflected by the 21% decrease in the average number of rigs working.

Drilling Solutions

Operating revenues for this segment decreased by $13.7 million or 15% during the six months ended June 30, 2021 compared to the corresponding period in 2020 primarily due to the reduced activity across the U.S. as the market softened in response to reduced oil prices and COVID-19. The reduction in activity and operating revenues was partially offset by cost management initiatives mainly focusing on labor as well as an overall reduction in administrative expenses.

Rig Technologies

Operating revenues for our Rig Technologies segment decreased by $15.4 million or 20% during the six months ended June 30, 2021 compared to the corresponding period due to the overall decline in activity in the U.S. as mentioned previously. Despite a significant drop in revenues, this segment implemented significant cost reduction measures to mitigate the impact of the decline in revenue, such that adjusted operating income was up by $6.4 million.

Other Financial Information

Interest expense

Interest expense for the six months ended June 30, 2021 was $84.7 million, representing a decrease of $21.2 million, or 20%, compared to the six months ended June 30, 2020. The decrease was primarily due to debt restructuring in Q4 2020 resulting in reduced interest expense.

Impairments and other charges

During the six months ended June 30, 2021, we recognized impairments and other charges of approximately $62.4 million, which primarily consisted of impairment of Canada Drilling assets now held for sale for $58.0 million. Also included in the amount is severance and reorganization costs of $2.6 million due to cost cutting measures that we enacted in response to the current industry environment, as well as write downs and provisions for $1.1 million of certain other assets including receivables related to our operations.

During the six months ended June 30, 2020, we recognized impairments and other charges of approximately $334.3 million, which primarily included impairments and write offs of long-lived assets of $194.0 million comprised of underutilized rigs and drilling-related equipment across all of our operating segments. We recognized impairments of $16.4 million for the remaining goodwill balance attributable to our Rig Technologies operating segment and $11.4 million for the remaining goodwill balance attributable to our Drilling Solutions operating segment. Additionally, we recognized an impairment of $83.6 million to write off our remaining intangible assets.

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Other, net

Other, net for the six months ended June 30, 2021 was $11.5 million of loss, which included net losses on sales and disposals of assets of approximately $17.5 million, foreign currency loss of $2.5 million and an increase in litigation reserves of $3.3 million. This was offset by a net gain on debt buybacks of $8.2 million.

Other, net for the six months ended June 30, 2020 was $47.9 million of income, which included a net gain on debt buybacks of $51.7 million and release of contingent consideration reserves in connection with a previous acquisition of $8.6 million. This was partially offset by net losses on sales and disposals of assets of approximately $2.4 million, an increase in litigation reserves of $2.1 million and foreign currency exchange loss of $2.1 million.

Income taxes

Our worldwide tax expense for the six months ended June 30, 2021 was $34.4 million compared to $22.1 million for the six months ended June 30, 2020. The increase in tax expense was primarily attributable to a recorded liability for an uncertain tax position of $21.1 million in the six months ended June 30, 2021, offset by a discrete accrual of a valuation allowance on deferred tax assets of $7.4 million in the six months ended June 30, 2020. The increase was partially offset by a reduction in tax expense due to the change in amount and geographic mix of our pre-tax earnings (losses).

Liquidity and Capital Resources

Financial Condition and Sources of Liquidity

Our primary sources of liquidity are cash and investments, availability under our revolving credit facility and cash generated from operations. As of June 30, 2021, we had cash and short-term investments of $399.9 million and working capital of $465.5 million. As of December 31, 2020, we had cash and short-term investments of $481.7 million and working capital of $616.0 million.

At June 30, 2021, we had $557.5 million of borrowings outstanding under the 2018 Revolving Credit Facility, which has a total borrowing capacity of $1.014 billion. The 2018 Revolving Credit Facility requires us to maintain “minimum liquidity” of no less than $160.0 million at all times, and an asset to debt coverage ratio of at least 4.25:1 as of the end of each calendar quarter. Minimum liquidity is defined to mean, generally, a consolidated cash balance consisting of (a) the aggregate amount of unrestricted cash and cash equivalents maintained in a deposit account U.S. or Canadian branch of a commercial bank, plus (b) the lesser of $75 million or an amount equal to 75% of the aggregate amount of unrestricted cash and cash equivalents held in deposit account of a commercial bank outside of the U.S. or Canada, plus (c) available commitments under the 2018 Revolving Credit Facility. The asset to debt coverage ratio applies only during the period which Nabors Delaware fails to maintain an investment grade rating from at least two rating agencies, which was the case as of the date of this report. As of June 30, 2021 we were in compliance with both the minimum liquidity and asset to debt coverage ratio requirements under the 2018 Revolving Credit Facility. We also had $53.9 million of letters of credit outstanding under the 2018 Revolving Credit Facility.

As of the date of this report, we were in compliance with all covenants under the 2018 Revolving Credit Facility. If we fail to perform our obligations under the covenants, the revolving credit commitments under the 2018 Revolving Credit Facility could be terminated, and any outstanding borrowings under the facilities could be declared immediately due and payable. If necessary, we have the ability to manage our covenant compliance by taking certain actions including reductions in discretionary capital or other types of controllable expenditures, monetization of assets, amending or renegotiating the revolving credit agreement, accessing capital markets through a variety of alternative methods, or any combination of these alternatives. We expect to remain in compliance with all covenants under the 2018 Revolving Credit Facility during the twelve month period following the date of this report based on our current operational and financial projections. However, we can make no assurance of continued compliance if our current projections or material underlying assumptions prove to be incorrect. If we fail to comply with the covenants, the revolving credit commitment could be terminated, and any outstanding borrowings under the facility could be declared immediately due and payable.

Our ability to access capital markets or to otherwise obtain sufficient financing may be affected by our senior unsecured debt ratings as provided by the major credit rating agencies in the United States and our historical ability to

36

access these markets as needed. While there can be no assurances that we will be able to access these markets in the future, we believe that we will be able to access capital markets or otherwise obtain financing in order to satisfy any payment obligation that might arise upon maturity, exchange or purchase of our notes and our debt facilities, loss of availability of our revolving credit facilities and our A/R Facility (see—Accounts Receivable Sales Agreement, below), and that any cash payment due, in addition to our other cash obligations, would not ultimately have a material adverse impact on our liquidity or financial position. The major U.S. credit rating agencies have previously downgraded our senior unsecured debt rating to non-investment grade. These and any further ratings downgrades could adversely impact our ability to access debt markets in the future, increase the cost of future debt, and potentially require us to post letters of credit for certain obligations.

We had 18 letter-of-credit facilities with various banks as of June 30, 2021. Availability under these facilities as of June 30, 2021 was as follows:

	June 30,
	2021
	(In thousands)
Credit available	$	620,552
Less: Letters of credit outstanding, inclusive of financial and performance guarantees		99,423
Remaining availability	$	521,129

Accounts Receivable Sales Agreement

On September 13, 2019, we entered into the $250 million A/R Facility consisting of a Receivables Sales Agreement and a Receivables Purchase Agreement, whereby the Originators sold or contributed, and will on an ongoing basis continue to sell or contribute, certain of their domestic trade accounts receivables to a wholly-owned, bankruptcy-remote, SPE. The SPE would in turn, sell, transfer, convey and assign to third-party Purchasers, all the rights, title and interest in and to its pool of eligible receivables.

On July 13, 2021, we entered into the First Amendment to the Receivables Purchase Agreement which extends the term of the A/R Facility by two years, to August 13, 2023. However, the expiration of the agreement could be accelerated to the earlier of (i) December 31, 2022, if by that date the Company’s 2018 Revolving Credit Facility is not amended to extend its termination date to as least October 11, 2024 and immediately after giving effect to such amendment the consolidated cash balance of the company is not at least $220 million or (ii) July 19, 2022, if any of the 5.5% Senior Notes due 2023 of Nabors Delaware remain outstanding as of such date. The amendment also reduced the commitments of the Purchasers from $250 million to $150 million, with the possibility of being increased up to $200 million.

The amount available for purchase under the A/R Facility fluctuates over time based on the total amount of eligible receivables generated during the normal course of business after excluding excess concentrations and certain other ineligible receivables. The maximum purchase commitment of the Purchasers under the A/R Facility is approximately $250.0 million and the amount of receivables purchased by the Purchasers as of June 30, 2021 was $84.0 million.

The Originators, Nabors Delaware, the SPE, and the Company provide representations, warranties, covenants and indemnities under the A/R Facility and the Indemnification Guarantee. See further details at Note 4—Accounts Receivable Sales Agreement.

Future Cash Requirements

Our current cash and investments, projected cash flows from operations, proceeds from equity or debt issuances and our revolving credit facility are expected to adequately finance our purchase commitments, capital expenditures, acquisitions, scheduled debt service requirements, and all other expected cash requirements for at least the next 12 months. However, we can make no assurances that our current operational and financial projections will prove to be correct, especially in light of the effects the COVID-19 pandemic has on oil and natural gas prices and, in turn, our business. A sustained period of highly depressed oil and natural gas prices could have a significant effect on our customers’ capital expenditure spending and therefore our operations, cash flows and liquidity.

Purchase commitments outstanding at June 30, 2021 totaled approximately $244.4 million, primarily for capital expenditures, other operating expenses and purchases of inventory. We can reduce planned expenditures if necessary or increase them if market conditions and new business opportunities warrant it. The level of our outstanding purchase

37

commitments and our expected level of capital expenditures over the next 12 months represent a number of capital programs that are currently underway or planned.

See our discussion of guarantees issued by Nabors that could have a potential impact on our financial position, results of operations or cash flows in future periods included below under “Off-Balance Sheet Arrangements (Including Guarantees).”

There have been no material changes to the contractual cash obligations table that was included in our 2020 Annual Report.

On August 25, 2015, our Board authorized a share repurchase program (the “program”) under which we may repurchase, from time to time, up to $400.0 million of our common shares by various means, including in the open market or in privately negotiated transactions. Authorization for the program, which was renewed in February 2019, does not have an expiration date and does not obligate us to repurchase any of our common shares. Since establishing the program, we have repurchased 0.3 million of our common shares for an aggregate purchase price of approximately $121.1 million under this program. The repurchased shares, which are held by our subsidiaries, are registered and tradable subject to applicable securities law limitations and have the same voting and other rights as other outstanding shares. As of June 30, 2021, the remaining amount authorized under the program that may be used to purchase shares was $278.9 million. As of June 30, 2021, our subsidiaries held 1.1 million of our common shares.

We may from time to time seek to retire or purchase our outstanding debt through cash purchases and/or exchanges for equity securities, both in open-market purchases, privately negotiated transactions or otherwise. Such repurchases or exchanges, if any, will depend on prevailing market conditions, our liquidity requirements, contractual restrictions and other factors and may involve material amounts.

Cash Flows

Our cash flows depend, to a large degree, on the level of spending by oil and gas companies for exploration, development and production activities. Sustained decreases in the price of oil or natural gas could have a material impact on these activities and could also materially affect our cash flows. Certain sources and uses of cash, such as the level of discretionary capital expenditures or acquisitions, purchases and sales of investments, dividends, loans, issuances and repurchases of debt and of our common shares are within our control and are adjusted as necessary based on market conditions. We discuss our cash flows for the six months ended June 30, 2021 and 2020 below.

Operating Activities. Net cash provided by operating activities totaled $213.2 million during the six months ended June 30, 2021, compared to net cash provided of $201.8 million during the corresponding 2020 period. Operating cash flows are our primary source of capital and liquidity.  Cash from operating results (before working capital changes) was $107.3 million for the six months ended June 30, 2021, a decrease of $131.0 million when compared to $238.3 million in the corresponding 2020 period.  Changes in working capital items such as collection of receivables, other deferred revenue arrangements and payments of operating payables are also significant factors affecting operating cash flows and can be highly volatile in periods of increasing or decreasing activity levels. Changes in working capital items provided $105.9 million in cash flows during the six months ended June 30, 2021, a $142.4 million improvement as compared to the negative $36.6 million in cash flows from working capital in the corresponding 2020 period.  The positive impact from working capital more than offset the negative impact from operating results.

Investing Activities. Net cash used for investing activities totaled $84.9 million during the six months ended June 30, 2021 compared to net cash used of $92.1 million during the corresponding 2020 period. Our primary use of cash for investing activities is capital expenditures for rig-related enhancements, new construction and equipment, as well as sustaining capital expenditures. During the six months ended June 30, 2021 and 2020, we used cash for capital expenditures totaling $117.8 million and $106.8 million, respectively.

We received $21.5 million in proceeds from sales of assets and insurance claims during the six months ended June 30, 2021 compared to $12.8 million for the corresponding 2020 period. We also received $11.4 million in sales and maturities of investments for the six months ended June 30, 2021 compared to $1.9 million for the corresponding 2020 period.

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Financing Activities. Net cash used for financing activities totaled $199.4 million during the six months ended June 30, 2021. During the six months ended June 30, 2021, we used $50.9 million for a redeemable non-controlling interest distribution, $115.0 million in net amounts repaid under our revolving credit facility and by a $21.8 million repayment on our senior notes. Additionally, we paid dividends totaling $7.3 million to our preferred shareholders.

Net cash used for financing activities totaled $61.3 million during the six months ended June 30, 2020. During the six months ended June 30, 2020, we received net proceeds of $1.0 billion from the issuance of new long-term debt as well as $205.0 million in net amounts borrowed under our revolving credit facility. This was partially offset by a $1.2 billion repayment on our senior notes. Additionally, we paid dividends totaling $15.2 million to our common and preferred shareholders.

Summarized Combined Financial Information for Guarantee of Securities of Subsidiaries

Nabors Delaware is an indirect, wholly owned subsidiary of Nabors. Nabors fully and unconditionally guarantees the due and punctual payment of the principal of, premium, if any, and interest on Nabors Delaware’s registered notes, which are its (i) 4.625% Senior Notes due 2021 (the “2021 Notes”), (ii) 5.10% Senior Notes due 2023 (the “2023 Notes”), (iii) 5.50% Senior Notes due 2023 (the “5.50% 2023 Notes”) and (iv) 5.75% Senior Notes due 2025 (the “2025 Notes” and, together with the 2021 Notes, the 2023 Notes, the 5.50% 2023 Notes and the 2025 Notes, the “Registered Notes”), and any other obligations of Nabors Delaware under the Registered Notes when and as they become due and payable, whether at maturity, upon redemption, by acceleration or otherwise, if Nabors Delaware is unable to satisfy these obligations. Nabors' guarantee of Nabors Delaware's obligations under the Registered Notes are its unsecured and unsubordinated obligation and have the same ranking with respect to Nabors' indebtedness as the Registered Notes have with respect to Nabors Delaware's indebtedness. In the event that Nabors is required to withhold or deduct on account of any Bermudian taxes due from any payment made under or with respect to its guarantees, subject to certain exceptions, Nabors will pay additional amounts so that the net amount received by each holder of Registered Notes will equal the amount that such holder would have received if the Bermudian taxes had not been required to be withheld or deducted.

The following summarized financial information is included so that separate financial statements of Nabors Delaware are not required to be filed with the SEC. The condensed consolidating financial statements present investments in both consolidated and unconsolidated affiliates using the equity method of accounting.

In lieu of providing separate financial statements for issuers and guarantors (the “Obligated Group”), we have presented the accompanying supplemental summarized combined balance sheet and income statement information for the Obligated Group based on Rule 13-01 of the SEC’s Regulation S-X that we early adopted effective April 1, 2020.

All significant intercompany items among the Obligated Group have been eliminated in the supplemental summarized combined financial information. The Obligated Group’s investment balances in Subsidiary Non-Guarantors have been excluded from the supplemental combined financial information. Significant intercompany balances and activity for the Obligated Group with other related parties, including Subsidiary Non-Guarantors (referred to as “affiliates”), are presented separately in the accompanying supplemental summarized financial information.

39

Summarized combined Balance Sheet and Income Statement information for the Obligated Group follows (in thousands):

	June 30,		December 31,
Summarized Combined Balance Sheet Information	2021		2020
Assets
Current Assets	$	2,275	$	27,432
Non-Current Assets		422,185		415,768
Noncurrent assets - affiliates		6,941,495		7,226,211
Total Assets		7,365,955		7,669,411
Liabilities and Stockholders' Equity
Current liabilities		74,577		71,605
Noncurrent liabilities		2,918,713		3,086,794
Noncurrent liabilities - affiliates		679,588		494,589
Total Liabilities		3,672,878		3,652,988
Stockholders' Equity		3,693,077		4,016,423
Total Liabilities and Stockholders' Equity		7,365,955		7,669,411

	Six Months Ended		Year Ended
	June 30,		December 31,
Summarized Combined Income Statement Information	2021		2020
Total revenues, earnings (loss) from consolidated affiliates and other income	$	(242,125)	$	(554,953)
Income from continuing operations, net of tax		(322,151)		(581,521)
Dividends on preferred stock		(3,653)		(14,611)
Net income (loss) attributable to Nabors common shareholders		(325,804)		(596,132)

Other Matters

Recent Accounting Pronouncements

See Note 2—Summary of Significant Accounting Policies.

Off-Balance Sheet Arrangements (Including Guarantees)

We are a party to transactions, agreements or other contractual arrangements defined as “off-balance sheet arrangements” that could have a material future effect on our financial position, results of operations, liquidity and capital resources. The most significant of these off-balance sheet arrangements include the A/R Facility (see —Accounts Receivable Sales Agreement, above) and certain agreements and obligations under which we provide financial or performance assurance to third parties. Certain of these financial or performance assurances serve as guarantees, including standby letters of credit issued on behalf of insurance carriers in conjunction with our workers’ compensation insurance program and other financial surety instruments such as bonds. In addition, we have provided indemnifications, which serve as guarantees, to some third parties. These guarantees include indemnification provided by us to our share transfer agent and our insurance carriers. We are not able to estimate the potential future maximum payments that might be due under our indemnification guarantees. Management believes the likelihood that we would be required to perform or otherwise incur any material losses associated with any of these guarantees is remote.

The following table summarizes the total maximum amount of financial guarantees issued by Nabors:

	Maximum Amount
	2021		2022	2023	Thereafter	Total
	(In thousands)
Financial standby letters of credit and other financial surety instruments	$	46,462	140,828	112	50	$	187,452

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ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

We may be exposed to market risks arising from the use of financial instruments in the ordinary course of business as discussed in our 2020 Annual Report. There were no material changes in our exposure to market risk during the six months ended June 30, 2021 from those disclosed in our 2020 Annual Report.

ITEM 4. CONTROLS AND PROCEDURES

We maintain a set of disclosure controls and procedures (as such term is defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act) designed to provide reasonable assurance that information required to be disclosed in our reports filed 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 management as appropriate to allow timely decisions regarding required disclosure. We have investments in certain unconsolidated entities that we do not control or manage. Because we do not control or manage these entities, our disclosure controls and procedures with respect to these entities are necessarily more limited than those we maintain with respect to our consolidated subsidiaries.

The Company’s management, with the participation of the Chief Executive Officer and the Chief Financial Officer, has evaluated the effectiveness of the Company’s disclosure controls and procedures as of the end of the period covered by this report. Based on this evaluation, the Chief Executive Officer and the Chief Financial Officer have concluded that the Company’s disclosure controls and procedures were effective as of the end of the period covered by this report.

There were no changes in our internal control over financial reporting during the quarter ended June 30, 2021 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

PART II OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

See Note 8 — Commitments and Contingencies — Litigation for information regarding our legal proceedings.

ITEM 1A. RISK FACTORS

Except as set forth below, there have been no material changes from the risk factors previously disclosed in Part 1, Item 1A, of our 2020 Annual Report, which in addition to the information set forth elsewhere in this report and the 2020 Annual Report, should be carefully considered when evaluating us. These risks are not the only risks we face. Additional risks not presently known to us or that we currently deem immaterial may also impair our business.

We will be subject to a number of uncertainties while we pursue the initial public offering of Nabors Energy Transition Corp. (“NETC”), and during the timeframe when NETC pursues a business combination, which could adversely affect our business, financial condition, results of operations, cash flows and share price.

While we have announced our intention to pursue an initial public offering of NETC, a newly formed special purpose acquisition company (“SPAC”) co-sponsored by us, there has recently been heightened regulatory focus on SPACs resulting in substantial uncertainty in the SPAC markets. Pursuing the initial public offering of a SPAC in this uncertain environment may result in additional costs, delays in the SPAC initial public offering process and attention from our management and employees. There is no assurance that we will be able to consummate NETC’s initial public offering on favorable terms or at all.

If we are unable to consummate NETC’s initial public offering on favorable terms or at all, or if we complete the initial public offering and NETC is unable to consummate a suitable business transaction during the prescribed two-year time period set forth in the terms of the initial public offering, we may experience negative reactions from the financial markets and from our shareholders. In addition, in the event that NETC is able to find a suitable business combination, or if the business combination is unsuccessful, there is no assurance that we will realize the anticipated value from such transaction.

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ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

We withheld the following shares of our common stock to satisfy tax withholding obligations in connection with grants of stock awards during the three months ended June 30, 2021 from the distributions described below. These shares may be deemed to be “issuer purchases” of shares that are required to be disclosed pursuant to this Item, but were not purchased as part of a publicly announced program to purchase common shares:

					Approximated
				Total Number	Dollar Value of
				of Shares	Shares that May
	Total	Average		Purchased as	Yet Be
	Number of	Price		Part of Publicly	Purchased
Period	Shares	Paid per		Announced	Under the
(In thousands, except per share amounts)	Repurchased	Share (1)		Program	Program (2)
April 1 - April 30	—	$	94.10	—	278,914
May 1 - May 31	1	$	92.15	—	278,914
June 1 - June 30	—	$	100.36	—	278,914

(1) Shares were withheld from employees and directors to satisfy certain tax withholding obligations due in connection with grants of shares under our 2013 Stock Plan and 2016 Stock Plan. Each of the 2016 Stock Plan, the 2013 Stock Plan, the 2003 Employee Stock Plan and the 1999 Stock Option Plan for Non-Employee Directors provide for the withholding of shares to satisfy tax obligations, but do not specify a maximum number of shares that can be withheld for this purpose. These shares were not purchased as part of a publicly announced program to purchase common shares.

(2) In August 2015, our Board authorized a share repurchase program under which we may repurchase up to $400.0 million of our common shares in the open market or in privately negotiated transactions. The program was renewed by the Board in February 2019. Through June 30, 2021, we repurchased 0.3 million of our common shares for an aggregate purchase price of approximately $121.1 million under this program. As of June 30, 2021, we had $278.9 million that remained authorized under the program that may be used to repurchase shares. The repurchased shares, which are held by our subsidiaries, are registered and tradable subject to applicable securities law limitations and have the same voting, dividend and other rights as other outstanding shares. As of June 30, 2021, our subsidiaries held 1.1 million of our common shares.

ITEM 3. DEFAULTS UPON SENIOR SECURITIES

None.

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

ITEM 5. OTHER INFORMATION

None.

ITEM 6. EXHIBITS

Exhibit No.	Description
10.1	Warrant Agreement (including Form of Warrant), dated June 10, 2021, between the Company and Computershare Trust Company, N.A., as Warrant Agent (incorporated by reference to our Current Report on Form 8-K (File No. 001-32657) filed with the Commission on June 11, 2021).
10.2	Amendment No.1 to Amended and Restated 2016 Stock Plan (incorporated by reference to Annex B to our Definitive Proxy Statement (File No. 001-32657) filed with the Commission on April 22, 2021).
10.3	Asset Purchase Agreement, dated June 23, 2021, by and among Nabors Drilling Canada Limited, Nabors Global Holdings II Limited, and Ensign Drilling Inc. (incorporated by reference to Exhibit 10.1 to our Current Report on Form 8-K (File No. 001-32657) filed with the SEC on June 29, 2021). [Names

42

	of certain individuals to whom the knowledge of Nabors Canada is attributed for purposes of the Agreement have been redacted.]
10.4	First Amendment to the Receivables Purchase Agreement, dated as of July 13, 2021, by and among Nabors A.R.F., LLC, Nabors Industries, Inc., Arab Banking Corporation B.S.C. New York Branch, and Well Fargo Bank, N.A. (incorporated by reference to Exhibit 10.1 to our Current Report on Form 8-K (File No. 001-32657) filed with the SEC on July 16, 2021).
10.5	Amending Agreement, dated July 29, 2021, by and among Nabors Drilling Canada Limited, Nabors Industries Ltd., and HSBC Canada Bank.*
31.1	Rule 13a-14(a)/15d-14(a) Certification of Anthony G. Petrello, Chairman, President and Chief Executive Officer*
31.2	Rule 13a-14(a)/15d-14(a) Certification of William Restrepo, Chief Financial Officer*
32.1	Certifications required by Rule 13a-14(b) or Rule 15d-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code (18 U.S.C. 1350), executed by Anthony G. Petrello, Chairman, President and Chief Executive Officer and William Restrepo, Chief Financial Officer.*
101.INS	Inline XBRL Instance Document*
101.SCH	Inline XBRL Schema Document*
101.CAL	Inline XBRL Calculation Linkbase Document*
101.LAB	Inline XBRL Label Linkbase Document*
101.PRE	Inline XBRL Presentation Linkbase Document*
101.DEF	Inline XBRL Definition Linkbase Document*
104	Cover Page Interactive Data File (the cover page XBRL tags are embedded in the Inline XBRL document)

*Filed herewith.

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SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) 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.

NABORS INDUSTRIES LTD.
By:	/s/ ANTHONY G. PETRELLO
	Anthony G. Petrello
	Chairman, President and
	Chief Executive Officer
	(Principal Executive Officer)
By:	/s/ WILLIAM RESTREPO
	William Restrepo
	Chief Financial Officer (Principal Financial Officer and Accounting Officer)
Date:	August 2, 2021

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EX-10.5

CANADIAN AMENDING AGREEMENT

This CANADIAN AMENDING AGREEMENT (this “Canadian Amendment”) is dated as of July 29, 2021, among NABORS INDUSTRIES LTD., a Bermuda exempted company (“Holdings”), NABORS DRILLING CANADA LIMITED, an Alberta Corporation (“Canadian Borrower”), and HSBC BANK CANADA, as the Canadian Lender (the “Canadian Lender”) and as the Canadian Issuing Bank (the “Canadian Issuing Bank”).

RECITALS:

WHEREAS the Canadian Borrower, Holdings and the Canadian Lender, among others, are parties to that certain Credit Agreement dated as of October 11, 2018 (as amended by Amendment No. 1 to Credit Agreement, dated as of October 25, 2019, as amended by Amendment No. 2 to Credit Agreement, dated as of December 13, 2019, as amended by Amendment No. 3 to Credit Agreement and Canadian Issuing Bank Joinder, dated as of March 3, 2020, as amended by Amendment No. 4 to Credit Agreement, dated as of September 24, 2020 and as further amended, supplemented or otherwise modified prior to the date hereof, the “Credit Agreement”); and

WHEREAS the Canadian Borrower has requested that the Canadian Lender and the Canadian Issuing Bank amend certain terms of the Credit Agreement as set forth herein; and

WHEREAS, the Canadian Borrower has provided written notice to the Canadian Lender of its election to terminate and permanently reduce the Canadian Commitments in accordance with Sections 2.08(b)(ii) and 2.08(c) of the Credit Agreement; and

WHEREAS, the Canadian Borrower has provided written notice to the Canadian Issuing Bank of its election to terminate its rights to request the issuance of Canadian Letters of Credit; and

WHEREAS Section 14.02(d) of the Credit Agreement permits an amendment to any Existing Canadian Provision with the consent of Holdings, the Canadian Borrower and the Canadian Lender.

NOW, THEREFORE, the parties hereto agree as follows:

1.Defined Terms

.  Capitalized terms used but not otherwise defined in this Canadian Amendment shall have the meaning given to such terms in the Credit Agreement, as amended hereby (the “Amended Credit Agreement”).

2.Exiting Lender.

The parties hereto hereby acknowledge and agree that HSBC Bank Canada as Canadian Lender and Canadian Issuing Bank (collectively, the “Exiting Lender”) is a party to and is executing this Canadian Amendment solely in its capacity as exiting Canadian Lender and exiting Canadian Issuing Bank (for the purposes of this sentence only, as such terms are defined in the Credit Agreement prior to giving effect to the provisions of this Canadian Amendment) and that the Exiting Lender is released and forever discharged in full from all of its liabilities and obligations as the Canadian Lender and Canadian Issuing Bank (as defined in the Credit Agreement prior to giving effect to the provisions of this Canadian Amendment) except for any such liabilities or obligations that expressly survive the repayment of the Canadian Obligations or termination of the Credit Agreement. Each of the parties hereto acknowledges that the Exiting Lender will no longer be a Canadian Lender or Canadian Issuing Bank under the

Amended Credit Agreement and each of the parties hereto agrees that notwithstanding any term or condition contained in any Loan Document, but subject to the first sentence of this Section 2, the Exiting Lender shall not be required to execute any further amendments, waivers, acceptances or consents to this Canadian Amendment or any other Loan Documents.

3.Amendment

4..  In reliance on the representations, warranties, covenants and agreements contained in this Canadian Amendment, and subject to the satisfaction of the conditions precedent set forth in Section 4 hereof, effective as of the Canadian Amendment Effective Date, and in order to give effect to the provisions of Section 2 hereof, the Credit Agreement is hereby amended by deleting all references to the “Canadian Lender”, “Canadian Issuing Bank”, “Canadian Commitment” and “Canadian Letter of Credit” and all other terms, provisions and definitions in the Credit Agreement related thereto and required in order to give effect to the foregoing; provided that, to the extent that such amended terms, provisions and definitions also impact the US Loans, then such amended terms, provisions and definitions shall, solely as they relate to the US Loans, the US Lenders, Administrative Agent and US Borrower, remain as they exist prior to the Canadian Amendment Effective Date (it being understood however, for the avoidance of doubt, that in any event the Exiting Lender shall no longer be deemed to be the Canadian Lender and the Canadian Commitments shall be $0 as of the Canadian Amendment Effective Date). As of the Canadian Amendment Effective Date, all Canadian Commitments shall be hereby automatically and irrevocably terminated and reduced to $0.

4.Conditions Precedent.

This Canadian Amendment shall become effective upon satisfaction of all of the following conditions precedent (the date of such satisfaction, the “Canadian Amendment Effective Date”):

(a)receipt by the Canadian Lender of counterparts of this Canadian Amendment duly executed by Holdings and the Canadian Borrower;

(b)subject to subparagraph (c) hereof, the Canadian Lender shall have received payment in full of all Canadian Obligations on or prior to the Canadian Amendment Effective Date;

(c) the Canadian Issuing Bank shall have received (i) reimbursement in full of all Canadian L/C Obligations by paying to and depositing with the Canadian Issuing Bank the cash collateral amount equal to 105% of the Canadian L/C Exposure as of the date hereof pursuant to Section 2.10(b)(i)(B) of the Credit Agreement and (ii) any documents that may be required by HSBC Bank Canada relating thereto; and

(d)the Exiting Lender shall have received payment of all fees, costs and expenses required to be paid or reimbursed hereunder or under the other Loan Documents on or prior to the Canadian Amendment Effective Date (including, to the extent invoiced at least one Business Day prior to the Canadian Amendment Effective Date, the legal fees and expenses of Borden Ladner Gervais LLP, counsel to the Canadian Lender reasonably incurred, and the reasonable fees and expenses of any consultants and other advisors).

5.Representations and Warranties.

(a)Each of Holdings and the Canadian Borrower represents and warrants to the Canadian Lender that, as of the date hereof (i) all of its representations and warranties set forth in the Loan Documents are true and correct in all material respects (except that any representation or warranty that is

qualified as to “materiality” or “Canadian Material Adverse Effect” shall be true and correct in all respects), except that any representation or warranty which by its terms is made as of a specified date shall be true and correct only as of such specified dates, (ii) the execution, delivery and performance of this Canadian Amendment by it are within its corporate power and authority and has been duly authorized by appropriate corporate action, (iii) this Canadian Amendment constitutes the legal, valid and binding obligation of it 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 (iv) other than those already obtained in connection herewith, there are no governmental or other third party consents, licenses and approvals required in connection with the execution, delivery, performance validity and enforceability of this Canadian Amendment.

6.Reaffirmation

.  Each of Holdings and the Canadian Borrower hereby ratifies, confirms, acknowledges and agrees that its obligations under the Amended Credit Agreement, as applicable, are and remain in full force and effect, including its obligations under Section 14.03 thereof.  

7.Confirmation and Effect; No Waiver.

(a)Other than as amended hereby, the provisions of the Credit Agreement shall remain in full force and effect in accordance with its terms following the Canadian Amendment Effective Date, and this Canadian Amendment shall not constitute a waiver of any provision of the Credit Agreement or any other Loan Document, except as expressly provided for herein.  Each reference in the Credit Agreement to “this Agreement”, “hereunder”, “hereof”, “herein”, or words of like import shall mean and be a reference to the Credit Agreement as amended hereby, and each reference to the Credit Agreement in any other document, instrument or agreement executed and/or delivered in connection with the Credit Agreement shall mean and be a reference to the Credit Agreement as amended hereby.

(b)Neither the execution by the Exiting Lender of this Canadian Amendment, nor any other act or omission by the Exiting Lender or their officers in connection herewith, shall be deemed a waiver of any Defaults or Events of Default which may exist, which may have occurred prior to the date of the effectiveness of this Canadian Amendment or which may occur in the future under the Amended Credit Agreement and/or the other Loan Documents.  Similarly, nothing contained in this Canadian Amendment shall directly or indirectly in any way whatsoever either: (i) impair, prejudice or otherwise adversely affect the Canadian Lender’s right at any time to exercise any right, privilege or remedy in connection with the Loan Documents with respect to any Default or Event of Default, (ii) except as expressly provided herein, amend or alter any provision of the Credit Agreement, the other Loan Documents, or any other contract or instrument, or (iii) constitute any course of dealing or other basis for altering any obligation of the Loan Parties or any right, privilege or remedy of the Beneficiaries under the Credit Agreement, the other Loan Documents, or any other contract or instrument.

8.Miscellaneous.

(a)HSBC Bank Canada confirms and agrees that it is executing this Canadian Amendment solely as the exiting Canadian Lender and Canadian Issuing Bank and, upon satisfaction of the conditions precedent set forth in Section 4 hereof, shall cease to be the Canadian Lender and Canadian Issuing Bank under the Amended Credit Agreement and shall not have any Canadian Commitments or any obligation to issue any future Canadian Letters of Credit.

(b)This Canadian Amendment may be executed in counterparts (and by different parties hereto in different counterparts), each of which shall constitute an original, but all of which when

taken together shall constitute a single contract.  The words “execution,” “signed,” “signature,” and words of like import herein or any other Loan Document shall be deemed to include electronic signatures or the keeping of records in electronic form, each of which shall be of the same legal effect, validity or enforceability as a manually executed signature or the use of a paper-based recordkeeping system, as the case may be, to the extent and as provided for in any applicable Requirement of Law, including the Federal Electronic Signatures in Global and National Commerce Act, the New York State Electronic Signatures and Records Act, or any other similar state laws based on the Uniform Electronic Transactions Act.

(c)Any provision of this Canadian Amendment held to be invalid, illegal or unenforceable in any jurisdiction shall, as to such jurisdiction, be ineffective to the extent of such invalidity, illegality or unenforceability without affecting the validity, legality and enforceability of the remaining provisions hereof; and the invalidity of a particular provision in a particular jurisdiction shall not invalidate such provision in any other jurisdiction.

(d)This Canadian Amendment is a “Loan Document” as defined in and under the Credit Agreement and the provisions of Section 14.03 of the Credit Agreement, including as amended hereby shall apply with like force to this Canadian Amendment and the transactions contemplated hereby, including as may arise after the date hereof.

(e)This Canadian Amendment and the transactions contemplated hereby, and all disputes between the parties under or relating to this Canadian Amendment or the facts or circumstances leading to its execution, whether in contract, tort or otherwise, shall be construed in accordance with and governed by the laws (including statutes of limitation) of the State of New York, without regard to conflicts of law principles that would require the application of the laws of another jurisdiction.  Each party hereto hereby irrevocably and unconditionally submits, for itself and its property, to the non-exclusive jurisdiction of the Supreme Court of the State of New York sitting in New York County and of the United States District Court of the Southern District of New York, and any appellate court from any thereof, in any action or proceeding arising out of or relating to this Canadian Amendment.

(f)EACH PARTY HERETO HEREBY WAIVES, TO THE FULLEST EXTENT PERMITTED BY APPLICABLE REQUIREMENTS OF LAW, ANY RIGHT IT MAY HAVE TO A TRIAL BY JURY IN ANY LEGAL PROCEEDING DIRECTLY OR INDIRECTLY ARISING OUT OF OR RELATING TO THIS CANADIAN AMENDMENT.

[Signature Pages Follow]

IN WITNESS WHEREOF, the parties hereto have caused this Canadian Amendment to be duly executed by their respective authorized officers as of the day and year first above written.

NABORS DRILLING CANADA LIMITED, as Canadian Borrower

By:/s/Michael Niedermaier​ ​

Name:Michael Niedermaier

Title:Director

NABORS INDUSTRIES LTD., as Holdings

By:/s/Mark D. Andrews​ ​

Name:Mark D. Andrews

Title:Corporate Secretary

HSBC BANK CANADA, as the Exiting Lender

By:/s/Bruce Robinson​ ​

Name:Bruce Robinson

Title:Vice President, Energy Financing

By:/s/Ryan Smith​ ​

Name:Ryan Smith

Title:AVP, Energy Finance

EX-31.1

Exhibit 31.1

Certification of Chief Executive Officer

Pursuant to Exchange Act Rule 13a-14(a) or 15d-14(a)

I, Anthony G. Petrello, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Nabors Industries Ltd.;

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.

Date:     August 2, 2021	/s/ ANTHONY G. PETRELLO
	Anthony G. Petrello
	Chairman, President and Chief Executive Officer

EX-31.2

Exhibit 31.2

Certification of Chief Financial Officer

Pursuant to Exchange Act Rule 13a-14(a) or 15d-14(a)

I, William Restrepo, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Nabors Industries Ltd.;

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.

Date: August 2, 2021	/s/ WILLIAM RESTREPO
	William Restrepo
	Chief Financial Officer

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

In connection with the Quarterly Report on Form 10-Q of Nabors Industries Ltd. (the “Company”) for the quarter ended June 30, 2021 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Anthony G. Petrello, Chairman, President and Chief Executive Officer of the Company, and I, William Restrepo, Chief Financial Officer of the Company, each certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that to the best of my 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.

/s/ ANTHONY G. PETRELLO

Anthony G. Petrello

Chairman, President and Chief Executive Officer

/s/ WILLIAM RESTREPO

William Restrepo

Chief Financial Officer

Date: August 2, 2021

XML

Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2021	Jul. 30, 2021
Document and Entity Information
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Jun. 30, 2021
Entity File Number	001-32657
Entity Registrant Name	NABORS INDUSTRIES LTD.
Entity Incorporation, State or Country Code	D0
Entity Tax Identification Number	98-0363970
Entity Address, Address Line One	Crown House
Entity Address, Address Line Two	Second Floor
Entity Address, Address Line Three	4 Par-la-Ville Road
Entity Address, City or Town	Hamilton
Entity Address, Country	BM
Entity Address, Postal Zip Code	HM08
City Area Code	441
Local Phone Number	292-1510
Title of 12(b) Security	Common shares, $.05 par value per share
Trading Symbol	NBR
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		8,241,552
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q2
Entity Central Index Key	0001163739
Amendment Flag	false

XML

CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 399,881	$ 472,246
Short-term investments	16	9,500
Accounts receivable, net of allowance of $70,047 and $69,807, respectively	312,136	362,977
Inventory, net	147,362	160,585
Assets held for sale	111,682	16,562
Other current assets	116,062	109,595
Total current assets	1,087,139	1,131,465
Property, plant and equipment, net	3,562,350	3,985,707
Deferred income taxes	251,108	247,171
Other long-term assets	141,721	139,085
Total assets	5,042,318	5,503,428
Current liabilities:
Trade accounts payable	232,543	220,922
Accrued liabilities	270,890	276,085
Income taxes payable	19,070	10,157
Current lease liabilities	6,613	8,305
Total current liabilities	529,116	515,469
Long-term debt	2,823,125	2,968,701
Other long-term liabilities	352,348	318,034
Deferred income taxes	2,289	1,576
Total liabilities	3,706,878	3,803,780
Commitments and contingencies (Note 8)
Redeemable noncontrolling interest in subsidiary (Note 3)	398,497	442,840
Shareholders' equity:
Preferred shares, par value $0.001 per share: Series A 6% Cumulative Mandatory Convertible; $50 per share liquidation preference; outstanding 0 and 4,870, respectively		5
Common shares, par value $0.05 per share: Authorized common shares 32,000; issued 9,181 and 8,383, respectively	459	419
Capital in excess of par value	3,433,144	3,423,935
Accumulated other comprehensive income (loss)	(8,624)	(11,124)
Retained earnings (accumulated deficit)	(1,290,309)	(946,100)
Less: treasury shares, at cost, 1,090 and 1,090 common shares, respectively	(1,315,751)	(1,315,751)
Total shareholders' equity	818,919	1,151,384
Noncontrolling interest	118,024	105,424
Total equity	936,943	1,256,808
Total liabilities and equity	$ 5,042,318	$ 5,503,428

XML

CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2021	Dec. 31, 2020
CONDENSED CONSOLIDATED BALANCE SHEETS
Accounts receivable, net of allowance	$ 70,047	$ 69,807
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, rate (as a percent)	6.00%	6.00%
Preferred stock, liquidation preference (in dollars per share)	$ 50	$ 50
Preferred stock, shares outstanding	0	4,870,000
Common shares, par value (in dollars per share)	$ 0.05	$ 0.05
Common shares, shares authorized	32,000,000	32,000,000
Common shares, shares issued	9,181,000	8,383,000
Treasury shares, at cost	1,090,000	1,090,000

XML

CONDENSED CONSOLIDATED STATEMENTS OF INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues and other income:
Operating revenues	$ 489,333	$ 533,931	$ 949,844	$ 1,252,295
Investment income (loss)	(62)	2,036	1,201	(1,162)
Total revenues and other income	489,271	535,967	951,045	1,251,133
Costs and other deductions:
Direct costs	312,466	326,557	603,120	788,397
General and administrative expenses	51,580	46,244	106,240	103,628
Research and engineering	7,965	7,305	15,432	18,714
Depreciation and amortization	174,775	211,120	352,051	438,183
Interest expense	41,714	51,206	84,689	105,928
Impairments and other charges	59,868	57,852	62,351	334,286
Other, net	6,587	(30,795)	11,450	(47,905)
Total costs and other deductions	654,955	669,489	1,235,333	1,741,231
Income (loss) from continuing operations before income taxes	(165,684)	(133,522)	(284,288)	(490,098)
Income tax expense (benefit):
Current	27,195	(336)	38,098	(7,539)
Deferred	(2,476)	4,782	(3,654)	29,678
Total income tax expense (benefit)	24,719	4,446	34,444	22,139
Income (loss) from continuing operations, net of tax	(190,403)	(137,968)	(318,732)	(512,237)
Income (loss) from discontinued operations, net of tax	8	23	27	(70)
Net income (loss)	(190,395)	(137,945)	(318,705)	(512,307)
Less: Net (income) loss attributable to noncontrolling interest	(5,614)	(10,167)	(14,390)	(27,632)
Net income (loss) attributable to Nabors	(196,009)	(148,112)	(333,095)	(539,939)
Less: Preferred stock dividend		(3,653)	(3,653)	(7,305)
Net income (loss) attributable to Nabors common shareholders	(196,009)	(151,765)	(336,748)	(547,244)
Amounts attributable to Nabors common shareholders:
Net income (loss) from continuing operations	(196,017)	(151,788)	(336,775)	(547,174)
Net income (loss) from discontinued operations	8	23	27	(70)
Net income (loss) attributable to Nabors common shareholders	$ (196,009)	$ (151,765)	$ (336,748)	$ (547,244)
Earnings (losses) per share:
Basic from continuing operations (in dollars per share)	$ (26.59)	$ (22.13)	$ (46.90)	$ (78.85)
Basic from discontinued operations (in dollars per share)				(0.01)
Total Basic (in dollars per share)	(26.59)	(22.13)	(46.90)	(78.86)
Diluted from continuing operations (in dollars per share)	(26.59)	(22.13)	(46.90)	(78.85)
Diluted from discontinued operations (in dollars per share)				(0.01)
Total Diluted (in dollars per share)	$ (26.59)	$ (22.13)	$ (46.90)	$ (78.86)
Weighted-average number of common shares outstanding:
Basic (in shares)	7,460	7,052	7,281	7,052
Diluted (in shares)	7,460	7,052	7,281	7,052

XML

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income (loss) attributable to Nabors	$ (196,009)	$ (148,112)	$ (333,095)	$ (539,939)
Other comprehensive income (loss), before tax:
Translation adjustment attributable to Nabors	2,092	6,671	4,320	(10,694)
Pension liability amortization and adjustment	52	52	(1,796)	104
Unrealized gains (losses) and amortization on cash flow hedges		142		284
Other comprehensive income (loss), before tax	2,144	6,865	2,524	(10,306)
Income tax expense (benefit) related to items of other comprehensive income (loss)	12	47	24	94
Other comprehensive income (loss), net of tax	2,132	6,818	2,500	(10,400)
Comprehensive income (loss) attributable to Nabors	(193,877)	(141,294)	(330,595)	(550,339)
Net income (loss) attributable to noncontrolling interest	5,614	10,167	14,390	27,632
Comprehensive income (loss) attributable to noncontrolling interest	5,614	10,167	14,390	27,632
Comprehensive income (loss)	$ (188,263)	$ (131,127)	$ (316,205)	$ (522,707)

XML

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities:
Net income (loss)	$ (318,705)	$ (512,307)
Adjustments to net income (loss):
Depreciation and amortization	352,052	438,182
Deferred income tax expense (benefit)	(3,649)	29,682
Impairments and other charges	58,710	310,296
Amortization of debt discount and deferred financing costs	10,592	16,208
Losses (gains) on debt buyback	(8,185)	(51,678)
Losses (gains) on long-lived assets, net	17,488	2,428
Losses (gains) on investments, net	(775)	4,733
Provision (recovery) of bad debt	240	10,164
Share-based compensation	10,741	15,756
Foreign currency transaction losses (gains), net	2,499	2,130
Noncontrolling interest	(14,390)	(27,632)
Other	684	352
Changes in operating assets and liabilities, net of effects from acquisitions:
Accounts receivable	45,385	89,981
Inventory	12,685	(724)
Other current assets	(6,624)	7,926
Other long-term assets	(3,643)	10,273
Trade accounts payable and accrued liabilities	28,324	(127,830)
Income taxes payable	8,697	8,823
Other long-term liabilities	21,077	(24,991)
Net cash provided by (used for) operating activities	213,203	201,772
Cash flows from investing activities:
Purchases of investments	(28)	(16)
Sales and maturities of investments	11,369	1,861
Capital expenditures	(117,785)	(106,766)
Proceeds from sales of assets and insurance claims	21,525	12,772
Net cash (used for) provided by investing activities	(84,919)	(92,149)
Cash flows from financing activities:
Proceeds from issuance of long-term debt		1,000,000
Reduction in long-term debt	(21,800)	(1,218,622)
Debt issuance costs	(2,421)	(16,023)
Proceeds from revolving credit facilities	110,000	1,240,000
Reduction in revolving credit facilities	(225,000)	(1,035,000)
Repurchase of common and preferred shares		(13,858)
Dividends to common and preferred shareholders	(7,315)	(15,232)
Distributions to noncontrolling interest	(50,867)	(1,005)
Other	(1,990)	(1,576)
Net cash (used for) provided by financing activities	(199,393)	(61,316)
Effect of exchange rate changes on cash and cash equivalents	(1,349)	(3,336)
Net increase (decrease) in cash and cash equivalents and restricted cash	(72,458)	44,971
Cash and cash equivalents and restricted cash, beginning of period	475,280	442,038
Cash and cash equivalents and restricted cash, end of period	402,822	487,009
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH
Cash and cash equivalents, beginning of period	472,246	435,990
Restricted cash, beginning of period	3,034	6,048
Cash and cash equivalents and restricted cash, beginning of period	475,280	442,038
Cash and cash equivalents, end of period	399,881	484,336
Restricted cash, end of period	2,941	2,673
Cash and cash equivalents and restricted cash, end of period	$ 402,822	$ 487,009

XML

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands	Mandatory Convertible Preferred Shares Preferred Stock	Common Stock	Capital in Excess of Par Value	Accumulated Other Comprehensive Income	Retained Earnings (Accumulated Deficit)	Treasury Shares	Non-controlling Interest	Total
Balance at the beginning of the period at Dec. 31, 2019	$ 6	$ 416	$ 3,412,972	$ (11,788)	$ (104,775)	$ (1,314,020)	$ 67,354	$ 2,050,165
Balance (in shares) at Dec. 31, 2019	5,613	416,198
Increase (Decrease) in Equity
Net income (loss)					(539,939)		27,632	(512,307)
Dividends declared to common shareholders					(3,633)			(3,633)
Dividends declared to preferred shareholders					(7,305)			(7,305)
Repurchase of shares	$ (1)		(12,127)			(1,731)		(13,859)
Repurchase of shares (in shares)	(743)
Other comprehensive income (loss), net of tax				(10,400)				(10,400)
Share-based compensation			15,757					15,757
Noncontrolling interest contributions (distributions)							(1,004)	(1,004)
Accrued distribution on redeemable noncontrolling interest in subsidiary					(8,739)			(8,739)
Other		$ 3	(1,549)				357	(1,189)
Other (in shares)		(407,809)
Balance at the end of the period at Jun. 30, 2020	$ 5	$ 419	3,415,053	(22,188)	(664,391)	(1,315,751)	94,339	1,507,486
Balance (in shares) at Jun. 30, 2020	4,870	8,389
Balance at the beginning of the period at Mar. 31, 2020	$ 5	$ 419	3,408,454	(29,006)	(508,200)	(1,315,751)	85,177	1,641,098
Balance (in shares) at Mar. 31, 2020	4,870	419,466
Increase (Decrease) in Equity
Net income (loss)					(148,112)		10,167	(137,945)
Dividends declared to common shareholders					(119)			(119)
Dividends declared to preferred shareholders					(3,653)			(3,653)
Other comprehensive income (loss), net of tax				6,818				6,818
Accrued distribution on redeemable noncontrolling interest in subsidiary					(4,307)			(4,307)
Other			6,599				(1,005)	5,594
Other (in shares)		(411,077)
Balance at the end of the period at Jun. 30, 2020	$ 5	$ 419	3,415,053	(22,188)	(664,391)	(1,315,751)	94,339	1,507,486
Balance (in shares) at Jun. 30, 2020	4,870	8,389
Balance at the beginning of the period at Dec. 31, 2020	$ 5	$ 419	3,423,935	(11,124)	(946,100)	(1,315,751)	105,424	1,256,808
Balance (in shares) at Dec. 31, 2020	4,870	8,383
Increase (Decrease) in Equity
Net income (loss)					(333,095)		14,390	(318,705)
Deferred dividends for earned PSUs					(10)			(10)
Dividends declared to preferred shareholders					(3,653)			(3,653)
Conversion of preferred shares	$ (5)	$ 34	(34)					(5)
Conversion of preferred shares (in shares)	(4,870)	668
Issuance of warrants on common shares					(2,719)			(2,719)
Other comprehensive income (loss), net of tax				2,500				2,500
Share-based compensation			10,740					10,740
Noncontrolling interest contributions (distributions)							(1,790)	(1,790)
Accrued distribution on redeemable noncontrolling interest in subsidiary					(4,732)			(4,732)
Other		$ 6	(1,497)					(1,491)
Other (in shares)		130
Balance at the end of the period at Jun. 30, 2021		$ 459	3,433,144	(8,624)	(1,290,309)	(1,315,751)	118,024	936,943
Balance (in shares) at Jun. 30, 2021		9,181
Balance at the beginning of the period at Mar. 31, 2021	$ 5	$ 417	3,429,089	(10,756)	(1,089,251)	(1,315,751)	114,201	1,127,954
Balance (in shares) at Mar. 31, 2021	4,870	8,503
Increase (Decrease) in Equity
Net income (loss)					(196,009)		5,614	(190,395)
Conversion of preferred shares	$ (5)	$ 34	(34)					(5)
Conversion of preferred shares (in shares)	(4,870)	668
Issuance of warrants on common shares					(2,719)			(2,719)
Other comprehensive income (loss), net of tax				2,132				2,132
Share-based compensation			3,965					3,965
Noncontrolling interest contributions (distributions)							(1,791)	(1,791)
Accrued distribution on redeemable noncontrolling interest in subsidiary					(2,330)			(2,330)
Other		$ 8	124					132
Other (in shares)		10
Balance at the end of the period at Jun. 30, 2021		$ 459	$ 3,433,144	$ (8,624)	$ (1,290,309)	$ (1,315,751)	$ 118,024	$ 936,943
Balance (in shares) at Jun. 30, 2021		9,181

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CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) - $ / shares	3 Months Ended	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2020
CONDENSED CONSOLIDATED BALANCE SHEETS
Dividends declared to common shareholders (in dollars per share)	$ 0.01	$ 0.01
Dividends declared to preferred shareholders (in dollars per share)	$ 0.75	$ 1.50

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General

6 Months Ended

Jun. 30, 2021

General.

General

Note 1 General

Unless the context requires otherwise, references in this report to “we,” “us,” “our,” “the Company,” or “Nabors” mean Nabors Industries Ltd., together with our subsidiaries where the context requires. References in this report to “Nabors Delaware” mean Nabors Industries, Inc., a wholly owned subsidiary of Nabors.

Our business is comprised of our global land-based and offshore drilling rig operations and other rig related services and technologies. These services and technologies include tubular running services, wellbore placement solutions, directional drilling, measurement-while-drilling (“MWD”), logging-while-drilling (“LWD”) systems and services, equipment manufacturing, rig instrumentation and drilling optimization software.

With operations in approximately 20 countries, we are a global provider of drilling and drilling-related services for land-based and offshore oil and natural gas wells, with a fleet of rigs and drilling-related equipment which, as of June 30, 2021 included:

● 354 actively marketed rigs for land-based drilling operations in the United States, Canada and approximately 14 other countries throughout the world; and

● 29 actively marketed rigs for offshore drilling operations in the United States and multiple international markets.

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Summary of Significant Accounting Policies

6 Months Ended

Jun. 30, 2021

Summary of Significant Accounting Policies

Summary of Significant Accounting Policies

Note 2 Summary of Significant Accounting Policies

Interim Financial Information

The accompanying unaudited condensed consolidated financial statements of Nabors have been prepared in conformity with generally accepted accounting principles in the United States (“U.S. GAAP”). Pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC” or “Commission”), certain information and footnote disclosures normally included in annual financial statements prepared in accordance with U.S. GAAP have been omitted. Therefore, these financial statements should be read together with our annual report on Form 10-K for the year ended December 31, 2020 (“2020 Annual Report”). In management’s opinion, the unaudited condensed consolidated financial statements contain all adjustments (consisting of normal recurring adjustments) necessary to state fairly our financial position as of June 30, 2021 and the results of operations, comprehensive income (loss), cash flows and changes in equity for the periods presented herein. Interim results for the six months ended June 30, 2021 may not be indicative of results that will be realized for the full year ending December 31, 2021.

Principles of Consolidation

Our condensed consolidated financial statements include the accounts of Nabors, as well as all majority owned and non-majority owned subsidiaries consolidated in accordance with U.S. GAAP. All significant intercompany accounts and transactions are eliminated in consolidation.

In addition to the consolidation of our majority owned subsidiaries, we also consolidate variable interest entities (“VIE”) when we are determined to be the primary beneficiary of a VIE. Determination of the primary beneficiary of a VIE is based on whether an entity has (1) the power to direct activities that most significantly impact the economic performance of the VIE and (2) the obligation to absorb losses or the right to receive benefits of the VIE that could potentially be significant to the VIE. Our joint venture, SANAD, which is equally owned by Saudi Aramco and Nabors, has been consolidated. As we have the power to direct activities that most significantly impact SANAD’s economic performance, including operations, maintenance and certain sourcing and procurement, we have determined Nabors to be the primary beneficiary. See Note 3—Joint Ventures.

Inventory

Inventory is stated at the lower of cost or net realizable value. Cost is determined using the first-in, first-out or weighted-average cost methods and includes the cost of materials, labor and manufacturing overhead. Inventory included the following:

	June 30,		December 31,
	2021		2020
	(In thousands)
Raw materials	$	118,150	$	133,424
Work-in-progress		2,881		3,452
Finished goods		26,331		23,709
	$	147,362	$	160,585

Recently Adopted Accounting Pronouncements

In June 2016, the FASB issued ASU 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, which changes accounting requirements for the recognition of credit losses from an incurred or probable impairment methodology to a current expected credit losses (CECL) methodology. The guidance is effective for interim and annual periods beginning after December 15, 2019. The guidance has been applied using the modified retrospective method with a cumulative effect adjustment to beginning retained earnings. Trade receivables (including the allowance for credit losses) are the only financial instrument in scope for ASU 2016-13 currently held by the Company. The adoption of this guidance did not have a material impact on our condensed consolidated financial statements.

In December 2019, the FASB issued ASU 2019-12, Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes, which removes certain exceptions for intraperiod allocations and interim tax calculations and adds guidance to simplify accounting for income taxes. The guidance is effective for interim and annual periods beginning after December 15, 2020. The adoption of this guidance did not have a material impact on our condensed consolidated financial statements.

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Joint Ventures

6 Months Ended

Jun. 30, 2021

Joint Ventures

Joint Ventures

Note 3 Joint Ventures

During 2016, we entered into an agreement with Saudi Aramco to form a joint venture known as SANAD to own, manage and operate onshore drilling rigs in the Kingdom of Saudi Arabia. SANAD is equally owned by Saudi Aramco and Nabors.

During 2017, Nabors and Saudi Aramco each contributed $20 million in cash for the purpose of capitalizing the joint venture upon formation. In addition, since inception Nabors and Saudi Aramco have each contributed a combination of drilling rigs, drilling rig equipment and other assets, including cash, each with a value of approximately $394 million to the joint venture. The contributions were received in exchange for redeemable ownership interests which accrue interest annually, have a twenty-five year maturity and are required to be converted to authorized capital should certain events occur, including the accumulation of specified losses. In the accompanying condensed consolidated balance sheet, Nabors has reported Saudi Aramco’s share of authorized capital as a component of noncontrolling interest in equity and Saudi Aramco’s share of the redeemable ownership interests as redeemable noncontrolling interest in subsidiary, classified as mezzanine equity. The accrued interest on the redeemable ownership interest is a non-cash financing activity and is reported as an increase in the redeemable noncontrolling interest in subsidiary line in our condensed consolidated balance sheet. In January 2021, SANAD settled approximately $100 million of the accrued interest from inception to December 31, 2020, by making a cash payment to each partner for their respective amounts. The assets and liabilities included in the condensed balance sheet below are (1) assets that can either be used to settle obligations of the VIE or be made available in the future to the equity owners through dividends, distributions or in exchange of the redeemable ownership interests (upon mutual agreement of the owners) or (2) liabilities for which creditors do not have recourse to other assets of Nabors.

The condensed balance sheet of SANAD, as included in our condensed consolidated balance sheet, is presented below.

	June 30,		December 31,
	2021		2020
	(In thousands)
Assets:
Cash and cash equivalents	$	304,924	$	368,981
Accounts receivable		70,273		79,711
Other current assets		11,105		17,148
Property, plant and equipment, net		456,050		428,331
Other long-term assets		20,223		2,590
Total assets	$	862,575	$	896,761
Liabilities:
Accounts payable	$	60,269	$	61,808
Accrued liabilities		29,792		18,791
Total liabilities	$	90,061	$	80,599

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Accounts Receivable Sales Agreement

6 Months Ended

Jun. 30, 2021

Accounts Receivable Sales Agreement

Accounts Receivable Sales Agreement

Note 4 Accounts Receivable Sales Agreement

On September 13, 2019, we entered into a $250 million accounts receivable sales facility, consisting of a Receivables Sales Agreement and a Receivables Purchase Agreement (collectively, the “A/R Facility”) whereby certain U.S. operating subsidiaries of the Company (collectively, the “Originators”), sold or contributed, and will on an ongoing basis continue to sell or contribute, certain of their domestic trade accounts receivables to a wholly-owned, bankruptcy-remote, special purpose entity (the “SPE” or “Seller”). The SPE in turn sells, transfers, conveys and assigns to third-party financial institutions (the “Purchasers”) all the rights, title and interest in and to its pool of eligible receivables. The sale of these receivables qualified for sale accounting treatment in accordance with ASC 860. During the period of this program, cash receipts from the Purchasers at the time of the sale were classified as operating activities in our consolidated statement of cash flows. Subsequent collections on the pledged receivables, which were not sold, will be classified as operating cash flows in our consolidated statement of cash flows at the time of collection.

On July 13, 2021, we entered into the First Amendment to the Receivables Purchase Agreement which extends the term of the A/R Facility by two years, to August 13, 2023. However, the expiration of the agreement could be accelerated to the earlier of (i) December 31, 2022, if by that date the Company’s 2018 Revolving Credit Facility is not amended to extend its termination date to as least October 11, 2024 and immediately after giving effect to such amendment the consolidated cash balance of the company is not at least $220 million or (ii) July 19, 2022, if any of the 5.5% Senior Notes due 2023 of Nabors Delaware remain outstanding as of such date. The amendment also reduced the commitments of the Purchasers from $250 million to $150 million, with the possibility of being increased up to $200 million.

Nabors Delaware and/or another subsidiary of Nabors act as servicers of the sold receivables. The servicers administer, collect and otherwise enforce these receivables and are compensated for doing so on terms that are generally consistent with what would be charged by an unrelated servicer. The servicers initially receive payments made by obligors on the receivables, then remit those payments in accordance with the Receivables Purchase Agreement. The servicers and the Originators have contingent indemnification obligations to the SPE, and the SPE has contingent indemnification obligations to the Purchasers, in each case customary for transactions of this type. These contingent indemnification obligations are guaranteed by the Company pursuant to an Indemnification Guarantee in favor of the Purchasers. The Purchasers have no recourse for receivables that are uncollectible as a result of the insolvency or inability to pay of the account debtors.

The amount available for sale to the Purchasers under the A/R Facility fluctuates over time based on the total amount of eligible receivables generated during the normal course of business after excluding excess concentrations and certain other ineligible receivables. As of June 30, 2021, approximately $84.0 million had been sold to and as yet uncollected by the Purchasers. As of December 31, 2020, the corresponding number was approximately $54.0 million. Trade accounts receivable sold by the SPE to the Purchasers are derecognized from our condensed consolidated balance sheet. The fair value of the sold receivables approximated book value due to the short-term nature of the receivables and, as a result, no gain or loss on the sale of the receivables was recorded. Trade receivables pledged by the SPE as collateral to the Purchasers (excluding receivables sold to the Purchasers) totaled $40.9 million and $63.1 million as of June 30,

2021 and December 31, 2020, respectively, and are included in accounts receivable, net in our condensed consolidated balance sheet. The assets of the SPE cannot be used by the Company for general corporate purposes. Additionally, creditors of the SPE do not have recourse to assets of the Company (other than assets of the SPE).

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Debt

6 Months Ended

Jun. 30, 2021

Debt

Debt

Note 5 Debt

Debt consisted of the following:

	June 30,		December 31,
	2021		2020
	(In thousands)
4.625% senior notes due September 2021 (1)	$	82,428	$	86,329
5.50% senior notes due January 2023		24,446		28,443
5.10% senior notes due September 2023		120,141		121,077
0.75% senior exchangeable notes due January 2024		253,733		279,700
5.75% senior notes due February 2025		586,308		610,818
6.50% senior priority guaranteed notes due February 2025		50,485		50,485
9.00% senior priority guaranteed notes due February 2025		218,082		192,032
7.25% senior guaranteed notes due January 2026		559,978		559,978
7.50% senior guaranteed notes due January 2028		389,609		389,609
2018 revolving credit facility		557,500		672,500
		2,842,710		2,990,971
Less: deferred financing costs		19,585		22,270
Long-term debt	$	2,823,125	$	2,968,701

(1) The 4.625% senior notes due September 2021 are classified as long-term because we have the ability and intent to repay this obligation utilizing our 2018 Revolving Credit Facility.

During the six months ended June 30, 2021, we repurchased $30.5 million aggregate principal amount outstanding of our senior unsecured notes for approximately $22.4 million in cash, including principal and $0.6 million in accrued and unpaid interest. In connection with these repurchases, we recognized a net gain of approximately $8.2 million for the six months ended June 30, 2021, which is included in Other, net in our condensed consolidated statement of income (loss).

Exchange Transactions

During the first quarter of 2021, we entered into two private exchange transactions in which Nabors Delaware exchanged 9.0% Senior Priority Guaranteed Notes due 2025 (the “9.0% Exchange Notes”) for various amounts of existing outstanding notes. Nabors Delaware did not receive any cash proceeds from the issuance of the Exchange Notes.

Collectively from the series of exchanges, Nabors Industries, Inc. issued $26.1 million aggregate principal amount of the 9.0% Exchange Notes in exchange for $40.0 million aggregate principal amount of various Nabors Delaware’s outstanding Notes.

We recorded a minimal gain in connection with the exchange transactions, which was accounted for in accordance with ASC 470-60, Troubled Debt Restructuring by Debtors. Under ASC 470-60, a gain is recorded in an amount equal to the sum of the future undiscounted payments (principal and interest) related to the new Exchange Notes plus the costs incurred in connection with the transaction, less the carrying value of the notes that were exchanged. In relation to the transactions, we recorded $9.4 million related to future contractual interest payments on the new Exchange Notes and have included this amount in accrued liabilities and other long-term liabilities.

The aggregate principal amounts and recognized gain for such transactions were as follows (in thousands):

	Six months ended June 30,
	2021
Exchanged
0.75% senior exchangeable notes due January 2024	$	35,000
5.75% senior notes due February 2025		5,000
Aggregate principal amount exchanged		40,000
Aggregate principal amount of debt issued in exchanges		26,050

0.75% Senior Exchangeable Notes Due January 2024

In January 2017, Nabors Delaware issued $575.0 million in aggregate principal amount of 0.75% exchangeable senior unsecured notes due 2024, which are fully and unconditionally guaranteed by Nabors. The notes bear interest at a rate of 0.75% per year payable semiannually on January 15 and July 15 of each year, beginning on July 15, 2017. As of June 30, 2021, there was approximately $287.3 million in aggregate principal amount that remained outstanding.

The exchangeable notes are currently exchangeable, under certain conditions, at an exchange rate of .8018 common shares of Nabors per $1,000 principal amount of exchangeable notes (equivalent to an exchange price of approximately $1,247.19 per common share). The exchangeable notes were originally bifurcated for accounting purposes into debt and equity components of $411.2 million and $163.8 million, respectively, based on the terms of the notes and the relative fair value at the issuance date. Upon any exchange, as a result of an amendment to the notes, Nabors Delaware will settle its exchange obligation in cash.

2018 Revolving Credit Facility

In October 2018, Nabors Delaware and Nabors Drilling Canada Limited (“Nabors Canada” and together with Nabors Delaware, the “Borrowers”) entered into a credit agreement dated October 11, 2018 by and among the Borrowers, the Guarantors identified therein, HSBC Bank Canada, as the Canadian lender (the “Canadian Lender”) the issuing banks and other lenders party thereto (the “US Lenders” and, together with the Canadian Lender, the “Lenders”) and Citibank, N.A., as administrative agent solely for the U.S. Lenders (as may be amended, restated, supplemented or otherwise modified from time to time, the “2018 Revolving Credit Facility”). The 2018 Revolving Credit Facility originally had a borrowing capacity of $1.267 billion and is fully and unconditionally guaranteed by Nabors and certain of its wholly owned subsidiaries. The 2018 Revolving Credit Facility matures at the earlier of (a) October 11, 2023 and (b) July 19, 2022, if any of Nabors Delaware’s existing 5.50% senior notes due January 2023 remain outstanding as of such date. The 2018 Revolving Credit Facility contains certain affirmative and negative covenants. Amendment No. 1 to the 2018 Revolving Credit Facility provided for additional currencies in which letters of credit could be issued. On December 13, 2019, Amendment No. 2 was entered into which reduced the borrowing capacity to $1.0136 billion ($981.6 million for Nabors Delaware and $32.0 million for Nabors Canada), and replaced the net funded debt to capitalization covenant with a covenant to maintain net funded indebtedness at no greater than 5.5 times EBITDA. Amendment No. 3 to the 2018 Revolving Credit Facility was entered into on March 3, 2020, in order to permit letters of credit from the Canadian Lender on the portion of the facility dedicated to Canadian borrowings.

In September 2020, Amendment No. 4 was entered into in order to revise certain of the covenant and collateral requirements under the 2018 Revolving Credit Facility. Amendment No. 4 provides the Lenders with a first lien security interest in certain drilling rigs located in the U.S. and Canada and replaced the prior covenant to maintain net funded debt at no greater than 5.5 times EBITDA with a new covenant to maintain minimum liquidity of no less than $160.0 million at any time. Minimum liquidity is defined to mean, generally, a consolidated cash balance consisting of (a) the aggregate amount of unrestricted cash and cash equivalents maintained in a deposit account U.S. or Canadian branch of a commercial bank, plus (b) the lesser of $75 million or an amount equal to 75% of the aggregate amount of unrestricted cash and cash equivalents held in deposit account of a commercial bank outside of the U.S. or Canada, plus (c) available commitments under the 2018 Revolving Credit Facility. Additionally, the “asset to debt coverage” ratio was revised such that during any period in which Nabors Delaware fails to maintain an investment grade rating from at least two ratings agencies, the guarantors under the facility and their respective subsidiaries will be required to maintain an asset to debt coverage of at least 4.25:1, which was the case as of the date of this report. On July 29, 2021, in connection with the closing of the sale of substantially all of our Canada Drilling assets, we entered into a Canadian Amending Agreement with the Canadian Lender under which we repaid all outstanding loans owed to the Canadian Lender under

the 2018 Revolving Credit Facility, the first lien security interest in the Canada assets was released and the commitments of the Canadian Lender under the 2018 Revolving Credit Facility were terminated.

As of June 30, 2021, we had $557.5 million outstanding under our 2018 Revolving Credit Facility and the net book value of the collateralized assets under the 2018 Revolving Credit Facility was $1.26 billion. The weighted average interest rate on borrowings under the 2018 Revolving Credit Facility at June 30, 2021 was 3.62%. In order to make any future borrowings under the 2018 Revolving Credit Facility, Nabors and certain of its wholly owned subsidiaries are subject to compliance with the conditions and covenants contained therein, including compliance with applicable financial ratios.

As of the date of this report, we were in compliance with all covenants under the 2018 Revolving Credit Facility. We expect to remain in compliance with all covenants under the 2018 Revolving Credit Facility during the twelve-month period following the date of this report based on our current operational and financial projections. However, we can make no assurance of continued compliance if our current projections or material underlying assumptions prove to be incorrect. If we fail to comply with the covenants, the revolving credit commitment could be terminated, and any outstanding borrowings under the facility could be declared immediately due and payable.

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Shareholders' Equity

6 Months Ended

Jun. 30, 2021

Shareholders' Equity

Shareholders' Equity

Note 6 Shareholders’ Equity

Common shares

At a special meeting of shareholders held April 20, 2020, our shareholders authorized a combination of our common shares (the “Reverse Stock Split”) at a ratio of not less than 1-for-15 and not greater than 1-for-50, with the exact ratio to be set within that range at the sole direction of our Board of Directors (the “Board”). On April 20, 2020, the Board set the Reverse Stock Split ratio at 1-for-50. As a result of the Reverse Stock Split, 50 pre-reverse split common shares automatically combined into one new common share, without any action on the part of the shareholders. Nabors’ authorized number of common shares were also proportionally decreased from 800,000,000 to 16,000,000 common shares. Subsequently, the par value of each common share was proportionally increased from $0.001 to $0.05. In addition, at the special meeting, the shareholders authorized an increase in our common share capital by 100% following the Reverse Stock Split, to $1,600,000, resulting in an increase in the number of authorized common shares to 32,000,000. No fractional common shares were issued as a result of the Reverse Stock Split. Any fractional common shares of registered holders resulting from the Reverse Stock Split were rounded up to the nearest whole share. All share and per share information included in the accompanying financial statements has been retrospectively adjusted to reflect this Reverse Stock Split.

Common stock warrants

On May 27, 2021, the Board declared a distribution to holders of the Company’s common shares of warrants to purchase its common shares (the “Warrants”). Holders of Nabors common shares received two-fifths of a warrant per common share held as of the record date (rounded down for any fractional warrant). Nabors issued approximately 3,236,430 warrants on June 11, 2021 to shareholders of record as of June 4, 2021.

Each Warrant represents the right to purchase one common share at an initial exercise price of $166.66667 per Warrant, subject to certain adjustments (the “Exercise Price”). In addition, Warrants submitted for exercise may be eligible to receive an additional one-third common share due to the incentive share component. The incentive share is an extra amount of common shares that Nabors will award when the volume weighted average price of Nabors’ common shares on the day before any Warrant holder exercises its Warrants multiplied by three is at least 6% higher than the sum of the volume weighted average prices of Nabors’ common shares on each of the second, third and fourth days before any Warrant holder exercises its Warrants. Payment for common shares on exercise of Warrants may be in (i) cash or (ii)“Designated Notes,” which the Company initially defines as (a) Nabors Delaware’s (i) 5.10% Notes due 2023, (ii) 0.75% Exchangeable Notes due 2024, (iii) 5.75% Notes due 2025 and (b) the Company’s 7.25% Notes due 2026, subject to compliance with applicable procedures with respect to the delivery of the Warrants and Designated Notes. The Exercise Price and the number of common shares issuable upon exercise are subject to anti-dilution adjustments, including for share dividends, splits, subdivisions, spin-offs, consolidations, reclassifications, combinations, noncash distributions, cash dividends (other than regular quarterly cash dividends not exceeding a permitted threshold amount), certain pro rata shares repurchases, and similar transactions, including certain issuances of common shares (or securities

exercisable or convertible into or exchangeable for common shares) at a price (or having a conversion price) that is less than 95% of the market price of the common shares.

The common stock warrants are recognized as derivative liabilities in accordance with ASC 815-40. Accordingly, the Company recognizes the warrant instruments as liabilities at fair value and adjusts the instruments to fair value at each reporting period. The liabilities are subject to re-measurement at each balance sheet date until exercised, and any change in fair value is recognized in the Company’s statement of operations. The fair value of the Warrants was initially measured at fair value using a Monte Carlo pricing model and subsequently, the fair value of the Warrants have been estimated using a Monte Carlo pricing model at each measurement date. At distribution, the fair value of the Warrants was $2.7 million. At June 30, 2021, the fair value of the Warrants was $1.0 million and $1.7 million of gain was recognized during Q2 for the decrease in liability.

Convertible Preferred Shares

During 2018, we issued 5.75 million of our 6% Series A Mandatory Convertible Preferred Shares (the “mandatory convertible preferred shares”), par value $0.001 per share, with a liquidation preference of $50 per share. As of December 31, 2020, we had 4.9 million mandatory convertible preferred shares outstanding. The mandatory convertible preferred shares automatically converted into common shares on May 3, 2021 at which time approximately 668,000 common shares were issued.

Shareholder Rights Plan

On May 5, 2020, our Board adopted a shareholder rights plan and declared a dividend of one right (a “Right”) for each outstanding common share to shareholders of record on May 15, 2020. Each Right entitles the holder to purchase from Nabors one one-thousandth of a Series B Junior Participating Preferred Share, par value $0.001 per share (the “Series B Preferred Shares’), of Nabors at a price of $58.08 per one one-thousandth of a Series B Preferred Share, subject to adjustment. The description of the Rights is set forth in a Rights Agreement, dated May 5, 2020 (the “Rights Agreement”), by and between Nabors and Computershare Trust Company, N.A., as Rights Agent. The Rights expired on April 30, 2021.

Initially, the Rights were not be exercisable and would trade with our common shares. Under the Rights Agreement, the Rights would become exercisable only if a person or group or persons acting together (each, an “acquiring person”) acquires beneficial ownership of 4.9% or more of our outstanding common shares. The Rights Agreement was amended on May 27, 2020, to permit the shareholder identified therein, together with affiliates and associates, to beneficially own up to 10% of our outstanding common shares.

If the Rights were triggered, each holder of a Right (other than the acquiring person, whose Rights would become void) would be entitled to purchase additional shares of our common stock at a 50% discount. In addition, if we were acquired in a merger or other business combination after an Acquiring Person acquired more than 4.9% of our outstanding common shares (10% for the shareholder identified in the amendment), each holder of a Right would then be entitled to purchase shares of the acquiring company’s stock at a 50% discount.  Our Board, at its option, could exchange each Right (other than Rights owned by the acquiring person that have become void) in whole or in part, at an exchange ratio of one common share per outstanding Right, subject to adjustment. Except as provided in the Rights Agreement, our Board was entitled to redeem the Rights at $0.01 per Right.

A person or group of persons that beneficially owned our common shares at or above the trigger threshold as of the time of the public announcement of the Rights Agreement generally would not trigger the Rights until such person or group of persons increases its ownership by 0.5% or more.

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Fair Value Measurements

6 Months Ended

Jun. 30, 2021

Fair Value Measurements

Fair Value Measurements

Note 7 Fair Value Measurements

Fair value is the price that would be received upon sale of an asset or paid upon transfer of a liability in an orderly transaction between market participants at the measurement date (exit price). We utilize market data or assumptions that market participants would use in pricing the asset or liability, including assumptions about risk and the risks inherent in the inputs to the valuation technique. These inputs can be readily observable, market-corroborated, or generally unobservable. We primarily apply the market approach for recurring fair value measurements and endeavor to utilize the best information available. Accordingly, we employ valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs.

The use of unobservable inputs is intended to allow for fair value determinations in situations where there is little, if any, market activity for the asset or liability at the measurement date. We are able to classify fair value balances utilizing a fair value hierarchy based on the observability of those inputs.

Under the fair value hierarchy:

● Level 1 measurements include unadjusted quoted market prices for identical assets or liabilities in an active market;

● Level 2 measurements include quoted market prices for identical assets or liabilities in an active market that have been adjusted for items such as effects of restrictions for transferability and those that are not quoted but are observable through corroboration with observable market data, including quoted market prices for similar assets; and

● Level 3 measurements include those that are unobservable and of a subjective nature.

Recurring Fair Value Measurements

The fair value of the common stock warrants was initially measured at fair value using a Monte Carlo option pricing model and subsequently, the fair value of the warrants have been estimated using the Monte Carlo pricing model for each measurement date. The estimated fair value of the warrants is determined using Level 3 inputs. Inherent in the option pricing simulation are assumptions related to expected stock-price volatility, expected life and risk-free interest rate. The Company estimates the volatility of its common stock warrants based on implied and historical volatility of the company’s traded common stock. The risk-free interest rate is based on the U.S. Treasury zero-coupon yield curve on the grant date for a maturity similar to the expected remaining life of the warrants. The expected life of the warrants is based on the Company’s ability to initiate expiration, subject to a 20 business day notice period.

Nonrecurring Fair Value Measurements

We applied fair value measurements to our nonfinancial assets and liabilities measured on a nonrecurring basis, which consist of measurements primarily related to assets held for sale, goodwill, intangible assets and other long-lived assets and assets acquired and liabilities assumed in a business combination. Based upon our review of the fair value hierarchy, the inputs used in these fair value measurements were considered Level 3 inputs.

Fair Value of Financial Instruments

We estimate the fair value of our financial instruments in accordance with U.S. GAAP. The fair value of our long-term debt and revolving credit facilities is estimated based on quoted market prices or prices quoted from third-party financial institutions. The fair value of our debt instruments is determined using Level 2 measurements. The carrying and fair values of these liabilities were as follows:

		June 30, 2021				December 31, 2020
		Carrying		Fair		Carrying		Fair
		Value		Value		Value		Value
	(In thousands)
4.625% senior notes due September 2021		$	82,428	$	82,718	$	86,329	$	78,862
5.50% senior notes due January 2023			24,446		23,683		28,443		18,768
5.10% senior notes due September 2023			120,141		116,524		121,077		78,435
0.75% senior exchangeable notes due January 2024			253,733		257,391		279,700		169,458
5.75% senior notes due February 2025			586,308		540,195		610,818		318,871
6.50% senior priority guaranteed notes due February 2025			50,485		49,156		50,485		44,059
9.00% senior priority guaranteed notes due February 2025			218,082		229,869		192,032		185,221
7.25% senior guaranteed notes due January 2026			559,978		550,240		559,978		396,106
7.50% senior guaranteed notes due January 2028			389,609		376,409		389,609		267,369
2018 revolving credit facility			557,500		557,500		672,500		672,500
		$	2,842,710	$	2,783,685	$	2,990,971	$	2,229,649
Less: deferred financing costs			19,585				22,270
		$	2,823,125			$	2,968,701

The fair values of our cash equivalents, trade receivables and trade payables approximate their carrying values due to the short-term nature of these instruments.

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Commitments and Contingencies

6 Months Ended

Jun. 30, 2021

Commitments and Contingencies

Commitments and Contingencies

Note 8 Commitments and Contingencies

Contingencies

Income Tax

We operate in a number of countries and our tax returns filed in those jurisdictions are subject to review and examination by tax authorities within those jurisdictions. We do not recognize the benefit of income tax positions we believe are more likely than not to be disallowed upon challenge by a tax authority. If any tax authority successfully challenges our operational structure, intercompany pricing policies or the taxable presence of our subsidiaries in certain countries, if the terms of certain income tax treaties are interpreted in a manner that is adverse to our structure, or if we lose a material tax dispute in any country, our effective tax rate on our worldwide earnings could change substantially.

In certain jurisdictions we have recognized deferred tax assets and liabilities. Judgment and assumptions are required in determining whether deferred tax assets will be fully or partially utilized. When we estimate that all or some portion of certain deferred tax assets such as net operating loss carryforwards will not be utilized, we establish a valuation allowance for the amount we determine to be more likely than not unrealizable. We continually evaluate strategies that could allow for future utilization of our deferred assets. Any change in the ability to utilize such deferred assets will be accounted for in the period of the event affecting the valuation allowance. If facts and circumstances cause us to change our expectations regarding future tax consequences, the resulting adjustments could have a material effect on our financial results or cash flow. At this time, we consider it more likely than not that we will have sufficient taxable income in the future that will allow us to realize the deferred tax assets that we have recognized. However, it is possible that some of our recognized deferred tax assets, relating to net operating loss carryforwards, could expire unused or could carryforward indefinitely without utilization. Therefore, unless we are able to generate sufficient taxable income from our component operations, a substantial valuation allowance to reduce our deferred tax assets may be required, which would materially increase our tax expense in the period the allowance is recognized and materially adversely affect our results of operations and statement of financial condition.

Litigation

Nabors and its subsidiaries are defendants or otherwise involved in a number of lawsuits in the ordinary course of business. We estimate the range of our liability related to pending litigation when we believe the amount and range of loss can be estimated. We record our best estimate of a loss when the loss is considered probable. When a liability is probable and there is a range of estimated loss with no best estimate in the range, we record the minimum estimated liability related to the lawsuits or claims. As additional information becomes available, we assess the potential liability related to our pending litigation and claims and revise our estimates. Due to uncertainties related to the resolution of lawsuits and claims, the ultimate outcome may differ from our estimates. For matters where an unfavorable outcome is reasonably possible and significant, we disclose the nature of the matter and a range of potential exposure, unless an estimate cannot be made at the time of disclosure. In the opinion of management and based on liability accruals provided, our ultimate exposure with respect to these pending lawsuits and claims is not expected to have a material adverse effect on our consolidated financial position or cash flows, although they could have a material adverse effect on our results of operations for a particular reporting period.

In March 2011, the Court of Ouargla entered a judgment of approximately $21.0 million (at June 30, 2021 exchange rates) against us relating to alleged violations of Algeria’s foreign currency exchange controls, which require that goods and services provided locally be invoiced and paid in local currency. The case relates to certain foreign currency payments made to us by CEPSA, a Spanish operator, for wells drilled in 2006. Approximately $7.5 million of the total contract amount was paid offshore in foreign currency, and approximately $3.2 million was paid in local currency. The judgment includes fines and penalties of approximately four times the amount at issue. We have appealed the ruling based on our understanding that the law in question applies only to resident entities incorporated under Algerian law. An intermediate court of appeals upheld the lower court’s ruling, and we appealed the matter to the Supreme Court. On September 25, 2014, the Supreme Court overturned the verdict against us, and the case was reheard by the Ouargla Court of Appeals on March 22, 2015 in light of the Supreme Court’s opinion. On March 29, 2015, the Ouargla Court of Appeals reinstated the initial judgment against us. We appealed this decision again to the Supreme Court and the Court has annulled the decision of the Ouargla Court of Appeals.  Accordingly, the case is being sent back to the Court of Ouargla for further proceedings on October 10, 2021 consistent with the Supreme Court’s ruling. While our payments were consistent with our historical operations in the country, and, we believe, those of other multinational corporations there, as well as interpretations of the law by the Central Bank of Algeria, the ultimate resolution of this matter could result in a loss of up to $13.0 million in excess of amounts accrued.

Following a routine audit conducted in May and June of 2018 by the Atyrau Oblast Ecology Department (the “AOED”), our joint venture in Kazakhstan, KMG Nabors Drilling Company (“KNDC”), was administratively fined for not having emissions permits for KNDC owned or leased equipment.  Prior to this audit, the AOED had always accepted the operator’s permits for all their subcontractors. However, because of major personnel changes, AOED changed their position and is now requiring that the owner/lessor of the equipment that emits the pollutants must have its own permits.  Administrative fines have been issued to KNDC and were paid in the amount of $0.8 million for violations regarding the failure to have proper permits. AOED had also assessed additional “environmental damages” in the amount of $3.4 million for the period while KNDC did not hold its’ own emissions permit. However, KNDC appealed this fine and the AOED Economic Court ruled in KNDC’s favor. AOED appealed this decision, which was reversed on February 21, 2020.  KNDC has further appealed and is awaiting rulings. Additional damages in the form of later year audits and taxes were assumed exposing KNDC to possible penalties and fines. KNDC and the operator have executed an agreement (SLA) formalizing the operator’s obligation to reimburse KNDC for many of the financial expenses related to this case as well as penalties and expenses related to future audit periods.  Since 2019 KNDC holds its own permits. Another audit by AOED was performed for the second half of 2018, and KNDC is awaiting final rulings.  Meanwhile, KNDC has received notice from government officials that certain of our employees may be held personally responsible. We continue to be engaged and are monitoring the situation.

Off-Balance Sheet Arrangements (Including Guarantees)

We are a party to some transactions, agreements or other contractual arrangements defined as “off-balance sheet arrangements” that could have a material future effect on our financial position, results of operations, liquidity and capital resources. The most significant of these off-balance sheet arrangements include the A/R Facility (see Note 4—Accounts Receivable Sales Agreement) and certain agreements and obligations under which we provide financial or performance assurance to third parties. Certain of these financial or performance assurances serve as guarantees, including standby letters of credit issued on behalf of insurance carriers in conjunction with our workers’ compensation

insurance program and other financial surety instruments such as bonds. In addition, we have provided indemnifications, which serve as guarantees, to some third parties. These guarantees include indemnification provided by Nabors to our share transfer agent and our insurance carriers. We are not able to estimate the potential future maximum payments that might be due under our indemnification guarantees.

Management believes the likelihood that we would be required to perform or otherwise incur any material losses associated with any of these guarantees is remote. The following table summarizes the total maximum amount of financial guarantees issued by Nabors:

	Maximum Amount
	2021		2022	2023	Thereafter	Total
	(In thousands)
Financial standby letters of credit and other financial surety instruments	$	46,462	140,828	112	50	$	187,452

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Earnings (Losses) Per Share

6 Months Ended

Jun. 30, 2021

Earnings (Losses) Per Share

Earnings (Losses) Per Share

Note 9 Earnings (Losses) Per Share

ASC 260, Earnings per Share, requires companies to treat unvested share-based payment awards that have nonforfeitable rights to dividends or dividend equivalents as a separate class of securities in calculating earnings (losses) per share. We have granted and expect to continue to grant to employees restricted stock grants that contain nonforfeitable rights to dividends. Such grants are considered participating securities under ASC 260. As such, we are required to include these grants in the calculation of our basic earnings (losses) per share and calculate basic earnings (losses) per share using the two-class method. The two-class method of computing earnings per share is an earnings allocation formula that determines earnings per share for each class of common stock and participating security according to dividends declared and participation rights in undistributed earnings. The participating security holders are not contractually obligated to share in losses. Therefore, losses are not allocated to the participating security holders.

Basic earnings (losses) per share is computed utilizing the two-class method and is calculated based on the weighted-average number of common shares outstanding during the periods presented.

Diluted earnings (losses) per share is computed using the weighted-average number of common and common equivalent shares outstanding during the periods utilizing the two-class method for stock options and unvested restricted shares.

A reconciliation of the numerators and denominators of the basic and diluted earnings (losses) per share computations is as follows:

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2021		2020		2021		2020
	(In thousands, except per share amounts)
BASIC EPS:
Net income (loss) (numerator):
Income (loss) from continuing operations, net of tax		$	(190,403)	$	(137,968)	$	(318,732)	$	(512,237)
Less: net (income) loss attributable to noncontrolling interest			(5,614)		(10,167)		(14,390)		(27,632)
Less: preferred stock dividends			—		(3,653)		(3,653)		(7,305)
Less: accrued distribution on redeemable noncontrolling interest in subsidiary			(2,330)		(4,307)		(4,732)		(8,739)
Less: distributed and undistributed earnings allocated to unvested shareholders			—		—		—		(125)
Numerator for basic earnings per share:
Adjusted income (loss) from continuing operations, net of tax - basic		$	(198,347)	$	(156,095)	$	(341,507)	$	(556,038)
Income (loss) from discontinued operations, net of tax		$	8	$	23	$	27	$	(70)
Weighted-average number of shares outstanding - basic			7,460		7,052		7,281		7,052
Earnings (losses) per share:
Basic from continuing operations		$	(26.59)	$	(22.13)	$	(46.90)	$	(78.85)
Basic from discontinued operations			—		—		—		(0.01)
Total Basic		$	(26.59)	$	(22.13)	$	(46.90)	$	(78.86)
DILUTED EPS:
Adjusted income (loss) from continuing operations, net of tax - basic		$	(198,347)	$	(156,095)	$	(341,507)	$	(556,038)
Add: effect of reallocating undistributed earnings of unvested shareholders			—		—		—		—
Adjusted income (loss) from continuing operations, net of tax - diluted		$	(198,347)	$	(156,095)	$	(341,507)	$	(556,038)
Income (loss) from discontinued operations, net of tax		$	8	$	23	$	27	$	(70)
Weighted-average number of shares outstanding - basic			7,460		7,052		7,281		7,052
Add: dilutive effect of potential common shares			—		—		—		—
Weighted-average number of shares outstanding - diluted			7,460		7,052		7,281		7,052
Earnings (losses) per share:
Diluted from continuing operations		$	(26.59)	$	(22.13)	$	(46.90)	$	(78.85)
Diluted from discontinued operations			—		—		—		(0.01)
Total Diluted		$	(26.59)	$	(22.13)	$	(46.90)	$	(78.86)

For all periods presented, the computation of diluted earnings (losses) per share excludes outstanding stock options with exercise prices greater than the average market price of Nabors’ common shares, because their inclusion would be anti-dilutive and because they are not considered participating securities. In any period during which the average market price of Nabors’ common shares exceeds the exercise prices of these stock options, such stock options will be included in our diluted earnings (losses) per share computation using the if-converted method of accounting. Restricted stock is included in our basic and diluted earnings (losses) per share computation using the two-class method of accounting in all periods because such stock is considered participating securities. For periods in which we experience a net loss from continuing operations, all potential common shares have been excluded from the calculation of weighted-average shares outstanding, because their inclusion would be anti-dilutive. The average number of shares from options that were excluded from diluted earnings (losses) per share that would potentially dilute earnings per share in the future were as follows:

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2021		2020		2021		2020
	(In thousands)
Potentially dilutive securities excluded as anti-dilutive			75		67		74		67

Additionally, through the first quarter of 2021, we excluded 0.79 million common shares from the computation of diluted shares issuable upon the conversion of mandatory convertible preferred shares, because their effect would be anti-dilutive under the if-converted method. Starting in the second quarter of 2021, we excluded 5.0 million shares from the computation of diluted shares related to the warrants issued because their effect would be anti-dilutive under the if-converted method.

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Impairments and Other Charges

6 Months Ended

Jun. 30, 2021

Impairments and Other Charges

Impairments and Other Charges

Note 10 Impairments and Other Charges

The components of impairments and other charges are provided below:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2021		2020		2021		2020
	(in thousands)
Goodwill impairments	$	—	$	—	$	—	$	27,798
Intangible asset impairment		—		1		—		83,625
US Drilling		—		4,961		—		87,333
Canada Drilling		58,000		—		58,000		—
International Drilling		—		32,591		215		63,076
Drilling Solutions		—		8,832		—		28,641
Rig Technologies		—		(90)		418		2,708
Oil and gas related assets		—		—		—		12,286
Severance and transaction related costs		1,513		11,176		2,592		11,835
Other assets		355		381		1,126		16,984
Total	$	59,868	$	57,852	$	62,351		334,286

We review our assets for impairment when events or changes in circumstances indicate that their carrying amounts may not be recoverable. If the estimated undiscounted future cash flows are not sufficient to support the asset’s recorded value, an impairment charge is recognized to the extent the carrying amount of the long-lived asset exceeds its estimated fair value. Management considers a number of factors such as estimated future cash flows from the assets, appraisals and current market value analysis in determining fair value. The determination of future cash flows requires the estimation of utilization, dayrates, operating margins, sustaining capital and remaining economic life. Such estimates can change based on market conditions, technological advances in the industry or changes in regulations governing the industry. A significantly prolonged period of lower oil and natural gas prices could continue to adversely affect the demand for and prices of our services, which could result in future impairment charges.

For the three and six months ended June 30, 2021

Canada Drilling

During the three months ended June 30, 2021, we recognized an impairment of $58.0 million related to the reclassification of the Canada Drilling assets to assets held for sale.

Rig Technologies

As a result of our periodic analysis on inventories for our Rig Technologies segment, we recorded a $0.4 million provision for obsolescence.

Severance and transaction related costs

During the six months ended June 30, 2021, we recognized charges of $2.6 million due to severance and other related costs incurred to right-size our cost structure.

Other assets

We wrote down or provided for $1.1 million of certain other assets including receivables related to our operations. The charges were primarily attributable to markets which have been adversely impacted by foreign sanctions or other political risk issues as well as bankruptcies or other financial problems.

For the three and six months ended June 30, 2020

Goodwill impairments

We have historically performed our annual goodwill impairment test during the second quarter of each year. In addition to our annual impairment test, we are required to regularly assess whether a triggering event has occurred which would require interim impairment testing. Due to industry conditions during the first quarter of 2020 and the corresponding impact on future expectations of demand for our products and services, including the effect on our stock price, we determined a triggering event had occurred and performed a quantitative impairment assessment of our goodwill. Based on the results of our goodwill test performed, we recognized impairment charges to write off the remaining goodwill balances attributable to our Drilling Solutions and Rig Technologies operating segments of $11.4 million and $16.4 million, respectively.

Intangible asset impairments

We also reviewed our intangible assets for impairment in the first quarter of 2020 as a result of the industry conditions. The fair value of our intangible assets is determined using discounted cash flow models. Based on our updated projections of future cash flows, the fair value of our intangible assets did not support the carrying value. As such, we recognized an impairment of $83.6 million to write off all remaining intangible assets attributable to our Drilling Solutions and Rig Technologies operating segments.

US Drilling

Due to the sharp decline in activity as a result of industry conditions in the US in the first part of the year relative to the same period in the prior year, we recorded impairments of $33.3 million and functionally retired $54.0 million of our lower specification rigs in the Lower 48 and Alaska markets totaling approximately $87.3 million. We determined that the assets were either functionally obsolete, would be no longer used, or the carrying value was not fully recoverable and was in excess of its fair value.

International Drilling

We impaired $30.5 million during the three months ended March 31, 2020, which represented rig and drilling-related equipment in international markets which have been impacted by market conditions and other factors.

During the second quarter of 2020, we wrote off all the remaining value on our rig and drilling-related equipment in Venezuela due to our lack of work in the country and limited visibility to any possibility of further work.

Drilling Solutions

We impaired or retired $28.6 million of fixed assets, equipment and inventory in our Drilling Solutions segment as a result of the significant decline in utilization experienced over the first half of the year due to industry conditions. We determined that the assets were either functionally obsolete, would be no longer used, or the carrying value was not fully recoverable and was in excess of its fair value.

Rig Technologies

As a result of our periodic analysis on inventories for our Rig Technologies segment, we recorded a $2.7 million provision for obsolescence.

Oil & gas related assets

In the first quarter of 2020, we recognized an impairment of $12.3 million to various assets related to our retained interest in the oil and gas properties located on the North Slope of Alaska.

Severance and transaction related costs

During the six months ended June 30, 2020, we recognized charges of $11.8 million due to severance and other related costs incurred to right-size our cost structure.

Other assets

We wrote down or provided for $17.0 million of certain other assets including receivables related to our operations. The charges were primarily attributable to markets which have been adversely impacted by foreign sanctions or other political risk issues as well as bankruptcies or other financial problems.

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Supplemental Balance Sheet and Income Statement Information

6 Months Ended

Jun. 30, 2021

Supplemental Balance Sheet and Income Statement Information

Supplemental Balance Sheet and Income Statement Information

Note 11 Supplemental Balance Sheet and Income Statement Information

Accrued liabilities included the following:

	June 30,		December 31,
	2021		2020
	(In thousands)
Accrued compensation	$	71,278	$	82,462
Deferred revenue and proceeds on insurance and asset sales		69,654		61,473
Other taxes payable		29,027		28,602
Workers’ compensation liabilities		7,788		7,788
Interest payable		70,245		62,935
Litigation reserves		14,621		13,976
Dividends declared and payable		—		3,653
Other accrued liabilities		8,277		15,196
	$	270,890	$	276,085

Investment income (loss) includes the following:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2021		2020		2021		2020
	(In thousands)
Interest and dividend income	$	(290)	$	1,230	$	1,003	$	3,603
Gains (losses) on marketable securities		228		806		198		(4,765)
	$	(62)	$	2,036	$	1,201	$	(1,162)

Other, net included the following:

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2021		2020		2021		2020
	(In thousands)
Losses (gains) on sales, disposals and involuntary conversions of long-lived assets		$	8,965	$	1,037	$	17,488	$	2,428
Litigation expenses and reserves			1,847		1,412		3,341		2,112
Foreign currency transaction losses (gains)			148		2,727		2,527		2,082
(Gain) loss on debt buyback			(123)		(35,936)		(8,185)		(51,678)
Other losses (gains)			(4,250)		(35)		(3,721)		(2,849)
		$	6,587	$	(30,795)	$	11,450	$	(47,905)

The changes in accumulated other comprehensive income (loss), by component, included the following:

	Gains		Defined
	(losses) on		benefit		Foreign
	cash flow		pension plan		currency
	hedges		items		items		Total
	(In thousands (1) )
As of January 1, 2020	$	(65)	$	(3,778)	$	(7,945)	$	(11,788)
Other comprehensive income (loss) before reclassifications		—		—		(10,694)		(10,694)
Amounts reclassified from accumulated other comprehensive income (loss)		214		80		—		294
Net other comprehensive income (loss)		214		80		(10,694)		(10,400)
As of June 30, 2020	$	149	$	(3,698)	$	(18,639)	$	(22,188)

(1) All amounts are net of tax.

	Gains		Defined
	(losses) on		benefit		Foreign
	cash flow		pension plan		currency
	hedges		items		items		Total
	(In thousands (1) )
As of January 1, 2021	$	2	$	(3,616)	$	(7,510)	$	(11,124)
Other comprehensive income (loss) before reclassifications		—		(1,900)		4,320		2,420
Amounts reclassified from accumulated other comprehensive income (loss)		—		80		—		80
Net other comprehensive income (loss)		—		(1,820)		4,320		2,500
As of June 30, 2021	$	2	$	(5,436)	$	(3,190)	$	(8,624)

(1) All amounts are net of tax.

The line items that were reclassified to net income included the following:

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2021		2020		2021		2020
	(In thousands)
Interest expense		$	—	$	142	$	—	$	284
General and administrative expenses			52		52		104		104
Total income (loss) from continuing operations before income tax			(52)		(194)		(104)		(388)
Tax expense (benefit)			(12)		(47)		(24)		(94)
Reclassification adjustment for (gains)/ losses included in net income (loss)		$	(40)	$	(147)	$	(80)	$	(294)

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Segment Information

6 Months Ended

Jun. 30, 2021

Segment Information

Segment Information

Note 12 Segment Information

The following table sets forth financial information with respect to our reportable operating segments:

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2021		2020		2021		2020
	(In thousands)
Operating revenues:
U.S. Drilling		$	161,606	$	173,784	$	303,905	$	448,685
Canada Drilling			12,313		3,564		33,302		29,155
International Drilling			255,282		301,078		502,120		638,188
Drilling Solutions			39,111		33,129		74,817		88,513
Rig Technologies			34,552		33,582		60,300		75,732
Other reconciling items (1)			(13,531)		(11,206)		(24,600)		(27,978)
Total		$	489,333	$	533,931	$	949,844	$	1,252,295

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2021		2020		2021		2020
	(In thousands)
Adjusted operating income (loss): (2)
U.S. Drilling		$	(20,869)	$	(23,395)	$	(44,205)	$	(30,799)
Canada Drilling			(2,608)		(5,795)		1,299		(5,758)
International Drilling			(8,439)		276		(27,071)		(3,871)
Drilling Solutions			6,524		1,733		11,234		12,282
Rig Technologies			(692)		(1,492)		(3,261)		(9,643)
Total segment adjusted operating income (loss)		$	(26,084)	$	(28,673)	$	(62,004)	$	(37,789)

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2021		2020		2021		2020
	(In thousands)
Reconciliation of segment adjusted operating income (loss) to net income (loss) from continuing operations before income taxes:
Total segment adjusted operating income (loss) (2)		$	(26,084)	$	(28,673)	$	(62,004)	$	(37,789)
Other reconciling items (3)			(31,369)		(28,622)		(64,995)		(58,838)
Investment income (loss)			(62)		2,036		1,201		(1,162)
Interest expense			(41,714)		(51,206)		(84,689)		(105,928)
Impairments and other charges			(59,868)		(57,852)		(62,351)		(334,286)
Other, net			(6,587)		30,795		(11,450)		47,905
Income (loss) from continuing operations before income taxes		$	(165,684)	$	(133,522)	$	(284,288)	$	(490,098)

	June 30,		December 31,
	2021		2020
	(In thousands)
Total assets:
U.S. Drilling	$	1,724,672	$	1,871,008
Canada Drilling		109,437		174,123
International Drilling		2,493,823		2,688,912
Drilling Solutions		82,705		100,278
Rig Technologies		208,611		225,954
Other reconciling items (3)		423,070		443,153
Total	$	5,042,318	$	5,503,428

(1) Represents the elimination of inter-segment transactions related to our Rig Technologies operating segment.

(2) Adjusted operating income (loss) represents income (loss) from continuing operations before income taxes, interest expense, earnings (losses) from unconsolidated affiliates, investment income (loss), impairments and other charges and other, net. Management evaluates the performance of our operating segments using adjusted operating income (loss), which is a segment performance measure, because it believes that this financial measure reflects our ongoing profitability and performance. In addition, securities analysts and investors use this measure as one of the metrics on which they analyze our performance. A reconciliation to income (loss) from continuing operations before income taxes is provided in the above table.

(3) Represents the elimination of inter-segment transactions and unallocated corporate expenses and assets.

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Revenue Recognition

6 Months Ended

Jun. 30, 2021

Revenue Recognition

Revenue Recognition

Note 13 Revenue Recognition

We recognize revenue when control of a good or service promised in a contract (i.e., performance obligation) is transferred to a customer. Control is obtained when a customer has the ability to direct the use of and obtain substantially all of the remaining benefits from that good or service. Contract drilling revenues are recorded over time utilizing the input method based on time elapsed. The measurement of progress considers the transfer of the service to the customer as we provide daily drilling services. We receive payment after the services have been performed by billing customers periodically (typically monthly). However, a portion of our revenues are recognized at a point-in-time as control is transferred at a distinct point in time such as with the sale of our top drives and other capital equipment. Within our drilling contracts, we have identified one performance obligation in which the transaction price is allocated.

Disaggregation of revenue

In the following table, revenue is disaggregated by geographical region. The table also includes a reconciliation of the disaggregated revenue with the reportable segments:

	Three Months Ended
	June 30, 2021
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	121,360	$	—	$	—	$	21,436	$	15,448	$	—	$	158,244
U.S. Offshore Gulf of Mexico		32,967		—		—		1,822		—		—		34,789
Alaska		7,279		—		—		185		14		—		7,478
Canada		—		12,313		—		204		1,383		—		13,900
Middle East & Asia		—		—		174,339		9,457		13,575		—		197,371
Latin America		—		—		57,931		5,658		163		—		63,752
Europe, Africa & CIS		—		—		23,012		349		3,969		—		27,330
Eliminations & other		—		—		—		—		—		(13,531)		(13,531)
Total	$	161,606	$	12,313	$	255,282	$	39,111	$	34,552	$	(13,531)	$	489,333

	Six Months Ended
	June 30, 2021
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	230,896	$	—	$	—	$	39,884	$	27,985	$	—	$	298,765
U.S. Offshore Gulf of Mexico		60,159		—		—		4,558		—		—		64,717
Alaska		12,850		—		—		322		14		—		13,186
Canada		—		33,302		—		658		2,283		—		36,243
Middle East & Asia		—		—		342,525		18,448		22,655		—		383,628
Latin America		—		—		113,839		10,224		176		—		124,239
Europe, Africa & CIS		—		—		45,756		723		7,187		—		53,666
Eliminations & other		—		—		—		—		—		(24,600)		(24,600)
Total	$	303,905	$	33,302	$	502,120	$	74,817	$	60,300	$	(24,600)	$	949,844

	Three Months Ended
	June 30, 2020
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	128,814	$	—	$	—	$	19,325	$	12,108	$	—	$	160,247
U.S. Offshore Gulf of Mexico		36,682		—		—		1,867		—		—		38,549
Alaska		8,288		—		—		244		27		—		8,559
Canada		—		3,564		—		78		584		—		4,226
Middle East & Asia		—		—		193,313		10,496		16,581		—		220,390
Latin America		—		—		49,700		555		(30)		—		50,225
Europe, Africa & CIS		—		—		58,065		564		4,312		—		62,941
Eliminations & other		—		—		—		—		—		(11,206)		(11,206)
Total	$	173,784	$	3,564	$	301,078	$	33,129	$	33,582	$	(11,206)	$	533,931

	Six Months Ended
	June 30, 2020
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	349,043	$	—	$	—	$	55,037	$	32,640	$	—	$	436,720
U.S. Offshore Gulf of Mexico		75,738		—		—		5,033		—		—		80,771
Alaska		23,904		—		—		1,230		18		—		25,152
Canada		—		29,155		—		808		2,196		—		32,159
Middle East & Asia		—		—		394,490		21,534		32,134		—		448,158
Latin America		—		—		133,919		3,382		122		—		137,423
Europe, Africa & CIS		—		—		109,779		1,489		8,622		—		119,890
Eliminations & other		—		—		—		—		—		(27,978)		(27,978)
Total	$	448,685	$	29,155	$	638,188	$	88,513	$	75,732	$	(27,978)	$	1,252,295

Contract balances

We perform our obligations under a contract with a customer by transferring goods or services in exchange for consideration from the customer. We recognize a contract asset or liability when we transfer goods or services to a customer and bill an amount which differs from the revenue allocated to the related performance obligations.

The timing of revenue recognition may differ from the timing of invoicing to customers and these timing differences result in receivables, contract assets, or contract liabilities (deferred revenue) on our condensed consolidated balance sheet. In general, we receive payments from customers based on dayrates as stipulated in our contracts (i.e. operating rate, standby rate). The invoices billed to the customer are based on the varying rates applicable to the operating status on each rig. Accounts receivable are recorded when the right to consideration becomes unconditional.

Dayrate contracts also may contain fees charged to the customer for up-front rig modifications, mobilization and demobilization of equipment and personnel. These fees are associated with contract fulfillment activities, and the related revenue (subject to any constraint on estimates of variable consideration) is allocated to a single performance obligation and recognized ratably over the initial term of the contract. Mobilization fees are generally billable to the customer in the initial phase of a contract and generate contract liabilities until they are recognized as revenue. Demobilization fees are generally received at the end of the contract and generate contract assets when they are recognized as revenue prior to becoming receivables from the customer.

We receive reimbursements from our customers for the purchase of supplies, equipment, personnel services and other services provided at their request. Reimbursable revenues are variable and subject to uncertainty as the amounts received and timing thereof are dependent on factors outside of our influence. Accordingly, these revenues are constrained and not recognized until the uncertainty is resolved, which typically occurs when the related costs are incurred on behalf of the customer. We are generally considered a principal in these transactions and record the associated revenues at the gross amounts billed to the customer.

The opening and closing balances of our receivables, contract assets and current and long-term contract liabilities are as follows:

			Contract		Contract		Contract		Contract
	Contract		Assets		Assets		Liabilities		Liabilities
	Receivables		(Current)		(Long-term)		(Current)		(Long-term)
	(In millions)
As of December 31, 2020	$	427.2	$	23.5	$	6.8	$	42.8	$	44.2
As of June 30, 2021	$	379.8	$	26.6	$	5.3	$	46.9	$	35.6

Approximately 39% of the contract liability balance at the beginning of the period is expected to be recognized as revenue during 2021, of which 13% was recognized during the six months ended June 30, 2021, and 20% is expected to be recognized during 2022. The remaining 41% of the contract liability balance at the beginning of the period is expected to be recognized as revenue during 2023 or thereafter.

Additionally, 68% of the contract asset balance at the beginning of the period is expected to be recognized as expense during 2021, of which 35% was recognized during the six months ended June 30, 2021, and 26% is expected to be recognized during 2022. The remaining 6% of the contract asset balance at the beginning of the period is expected to be recognized as expense during 2023 or thereafter. This disclosure does not include variable consideration allocated entirely to a wholly unsatisfied performance obligation or promise to transfer a distinct good or service that forms part of a single performance obligation.

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Assets Held for Sale

6 Months Ended

Jun. 30, 2021

Assets Held for Sale

Assets Held for Sale

Note 14 Assets Held for Sale

Assets held for sale as of June 30, 2021 and December 31, 2020 was $111.7 million and $16.6 million, respectively. At June 30, 2021, $95.0 million of the assets consisted of our Canada Drilling segment assets. These assets include our fleet of 35 land-based drilling rigs and related equipment and property which the company has entered into an agreement to sell. The sale closed during July 2021. The remainder of the assets held for sale represent rigs located in Algeria.

The carrying value of the assets held for sale represents the lower of carrying value or fair value less costs to sell.

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Summary of Significant Accounting Policies (Policies)

6 Months Ended

Jun. 30, 2021

Summary of Significant Accounting Policies

Interim Financial Information

Interim Financial Information

The accompanying unaudited condensed consolidated financial statements of Nabors have been prepared in conformity with generally accepted accounting principles in the United States (“U.S. GAAP”). Pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC” or “Commission”), certain information and footnote disclosures normally included in annual financial statements prepared in accordance with U.S. GAAP have been omitted. Therefore, these financial statements should be read together with our annual report on Form 10-K for the year ended December 31, 2020 (“2020 Annual Report”). In management’s opinion, the unaudited condensed consolidated financial statements contain all adjustments (consisting of normal recurring adjustments) necessary to state fairly our financial position as of June 30, 2021 and the results of operations, comprehensive income (loss), cash flows and changes in equity for the periods presented herein. Interim results for the six months ended June 30, 2021 may not be indicative of results that will be realized for the full year ending December 31, 2021.

Principles of Consolidation

Principles of Consolidation

Our condensed consolidated financial statements include the accounts of Nabors, as well as all majority owned and non-majority owned subsidiaries consolidated in accordance with U.S. GAAP. All significant intercompany accounts and transactions are eliminated in consolidation.

In addition to the consolidation of our majority owned subsidiaries, we also consolidate variable interest entities (“VIE”) when we are determined to be the primary beneficiary of a VIE. Determination of the primary beneficiary of a VIE is based on whether an entity has (1) the power to direct activities that most significantly impact the economic performance of the VIE and (2) the obligation to absorb losses or the right to receive benefits of the VIE that could potentially be significant to the VIE. Our joint venture, SANAD, which is equally owned by Saudi Aramco and Nabors, has been consolidated. As we have the power to direct activities that most significantly impact SANAD’s economic performance, including operations, maintenance and certain sourcing and procurement, we have determined Nabors to be the primary beneficiary. See Note 3—Joint Ventures.

Inventory

Inventory

Inventory is stated at the lower of cost or net realizable value. Cost is determined using the first-in, first-out or weighted-average cost methods and includes the cost of materials, labor and manufacturing overhead. Inventory included the following:

	June 30,		December 31,
	2021		2020
	(In thousands)
Raw materials	$	118,150	$	133,424
Work-in-progress		2,881		3,452
Finished goods		26,331		23,709
	$	147,362	$	160,585

Recently Adopted Accounting Pronouncements

Recently Adopted Accounting Pronouncements

In June 2016, the FASB issued ASU 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, which changes accounting requirements for the recognition of credit losses from an incurred or probable impairment methodology to a current expected credit losses (CECL) methodology. The guidance is effective for interim and annual periods beginning after December 15, 2019. The guidance has been applied using the modified retrospective method with a cumulative effect adjustment to beginning retained earnings. Trade receivables (including the allowance for credit losses) are the only financial instrument in scope for ASU 2016-13 currently held by the Company. The adoption of this guidance did not have a material impact on our condensed consolidated financial statements.

In December 2019, the FASB issued ASU 2019-12, Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes, which removes certain exceptions for intraperiod allocations and interim tax calculations and adds guidance to simplify accounting for income taxes. The guidance is effective for interim and annual periods beginning after December 15, 2020. The adoption of this guidance did not have a material impact on our condensed consolidated financial statements.

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Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2021

Summary of Significant Accounting Policies

Inventory

	June 30,		December 31,
	2021		2020
	(In thousands)
Raw materials	$	118,150	$	133,424
Work-in-progress		2,881		3,452
Finished goods		26,331		23,709
	$	147,362	$	160,585

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Joint Ventures (Tables)

6 Months Ended

Jun. 30, 2021

Joint Ventures

Schedule of condensed balance sheet of SANAD

	June 30,		December 31,
	2021		2020
	(In thousands)
Assets:
Cash and cash equivalents	$	304,924	$	368,981
Accounts receivable		70,273		79,711
Other current assets		11,105		17,148
Property, plant and equipment, net		456,050		428,331
Other long-term assets		20,223		2,590
Total assets	$	862,575	$	896,761
Liabilities:
Accounts payable	$	60,269	$	61,808
Accrued liabilities		29,792		18,791
Total liabilities	$	90,061	$	80,599

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Debt (Tables)

6 Months Ended

Jun. 30, 2021

Debt

Debt

	June 30,		December 31,
	2021		2020
	(In thousands)
4.625% senior notes due September 2021 (1)	$	82,428	$	86,329
5.50% senior notes due January 2023		24,446		28,443
5.10% senior notes due September 2023		120,141		121,077
0.75% senior exchangeable notes due January 2024		253,733		279,700
5.75% senior notes due February 2025		586,308		610,818
6.50% senior priority guaranteed notes due February 2025		50,485		50,485
9.00% senior priority guaranteed notes due February 2025		218,082		192,032
7.25% senior guaranteed notes due January 2026		559,978		559,978
7.50% senior guaranteed notes due January 2028		389,609		389,609
2018 revolving credit facility		557,500		672,500
		2,842,710		2,990,971
Less: deferred financing costs		19,585		22,270
Long-term debt	$	2,823,125	$	2,968,701

(1) The 4.625% senior notes due September 2021 are classified as long-term because we have the ability and intent to repay this obligation utilizing our 2018 Revolving Credit Facility.

The aggregate principal amounts and recognized gain

The aggregate principal amounts and recognized gain for such transactions were as follows (in thousands):

	Six months ended June 30,
	2021
Exchanged
0.75% senior exchangeable notes due January 2024	$	35,000
5.75% senior notes due February 2025		5,000
Aggregate principal amount exchanged		40,000
Aggregate principal amount of debt issued in exchanges		26,050

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Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2021

Fair Value Measurements

Fair value of financial instruments

		June 30, 2021				December 31, 2020
		Carrying		Fair		Carrying		Fair
		Value		Value		Value		Value
	(In thousands)
4.625% senior notes due September 2021		$	82,428	$	82,718	$	86,329	$	78,862
5.50% senior notes due January 2023			24,446		23,683		28,443		18,768
5.10% senior notes due September 2023			120,141		116,524		121,077		78,435
0.75% senior exchangeable notes due January 2024			253,733		257,391		279,700		169,458
5.75% senior notes due February 2025			586,308		540,195		610,818		318,871
6.50% senior priority guaranteed notes due February 2025			50,485		49,156		50,485		44,059
9.00% senior priority guaranteed notes due February 2025			218,082		229,869		192,032		185,221
7.25% senior guaranteed notes due January 2026			559,978		550,240		559,978		396,106
7.50% senior guaranteed notes due January 2028			389,609		376,409		389,609		267,369
2018 revolving credit facility			557,500		557,500		672,500		672,500
		$	2,842,710	$	2,783,685	$	2,990,971	$	2,229,649
Less: deferred financing costs			19,585				22,270
		$	2,823,125			$	2,968,701

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Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2021

Commitments and Contingencies

Summary of total maximum amount of financial guarantees issued

	Maximum Amount
	2021		2022	2023	Thereafter	Total
	(In thousands)
Financial standby letters of credit and other financial surety instruments	$	46,462	140,828	112	50	$	187,452

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Earnings (Losses) Per Share (Tables)

6 Months Ended

Jun. 30, 2021

Earnings (Losses) Per Share

Earnings (losses) per share computations

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2021		2020		2021		2020
	(In thousands, except per share amounts)
BASIC EPS:
Net income (loss) (numerator):
Income (loss) from continuing operations, net of tax		$	(190,403)	$	(137,968)	$	(318,732)	$	(512,237)
Less: net (income) loss attributable to noncontrolling interest			(5,614)		(10,167)		(14,390)		(27,632)
Less: preferred stock dividends			—		(3,653)		(3,653)		(7,305)
Less: accrued distribution on redeemable noncontrolling interest in subsidiary			(2,330)		(4,307)		(4,732)		(8,739)
Less: distributed and undistributed earnings allocated to unvested shareholders			—		—		—		(125)
Numerator for basic earnings per share:
Adjusted income (loss) from continuing operations, net of tax - basic		$	(198,347)	$	(156,095)	$	(341,507)	$	(556,038)
Income (loss) from discontinued operations, net of tax		$	8	$	23	$	27	$	(70)
Weighted-average number of shares outstanding - basic			7,460		7,052		7,281		7,052
Earnings (losses) per share:
Basic from continuing operations		$	(26.59)	$	(22.13)	$	(46.90)	$	(78.85)
Basic from discontinued operations			—		—		—		(0.01)
Total Basic		$	(26.59)	$	(22.13)	$	(46.90)	$	(78.86)
DILUTED EPS:
Adjusted income (loss) from continuing operations, net of tax - basic		$	(198,347)	$	(156,095)	$	(341,507)	$	(556,038)
Add: effect of reallocating undistributed earnings of unvested shareholders			—		—		—		—
Adjusted income (loss) from continuing operations, net of tax - diluted		$	(198,347)	$	(156,095)	$	(341,507)	$	(556,038)
Income (loss) from discontinued operations, net of tax		$	8	$	23	$	27	$	(70)
Weighted-average number of shares outstanding - basic			7,460		7,052		7,281		7,052
Add: dilutive effect of potential common shares			—		—		—		—
Weighted-average number of shares outstanding - diluted			7,460		7,052		7,281		7,052
Earnings (losses) per share:
Diluted from continuing operations		$	(26.59)	$	(22.13)	$	(46.90)	$	(78.85)
Diluted from discontinued operations			—		—		—		(0.01)
Total Diluted		$	(26.59)	$	(22.13)	$	(46.90)	$	(78.86)

Potentially dilutive securities excluded as anti-dilutive

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2021		2020		2021		2020
	(In thousands)
Potentially dilutive securities excluded as anti-dilutive			75		67		74		67

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Impairments and Other Charges (Tables)

6 Months Ended

Jun. 30, 2021

Impairments and Other Charges

Schedule of impairments and other charges

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2021		2020		2021		2020
	(in thousands)
Goodwill impairments	$	—	$	—	$	—	$	27,798
Intangible asset impairment		—		1		—		83,625
US Drilling		—		4,961		—		87,333
Canada Drilling		58,000		—		58,000		—
International Drilling		—		32,591		215		63,076
Drilling Solutions		—		8,832		—		28,641
Rig Technologies		—		(90)		418		2,708
Oil and gas related assets		—		—		—		12,286
Severance and transaction related costs		1,513		11,176		2,592		11,835
Other assets		355		381		1,126		16,984
Total	$	59,868	$	57,852	$	62,351		334,286

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Supplemental Balance Sheet and Income Statement Information (Tables)

6 Months Ended

Jun. 30, 2021

Supplemental Balance Sheet and Income Statement Information

Accrued liabilities

	June 30,		December 31,
	2021		2020
	(In thousands)
Accrued compensation	$	71,278	$	82,462
Deferred revenue and proceeds on insurance and asset sales		69,654		61,473
Other taxes payable		29,027		28,602
Workers’ compensation liabilities		7,788		7,788
Interest payable		70,245		62,935
Litigation reserves		14,621		13,976
Dividends declared and payable		—		3,653
Other accrued liabilities		8,277		15,196
	$	270,890	$	276,085

Schedule of investment income (loss)

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2021		2020		2021		2020
	(In thousands)
Interest and dividend income	$	(290)	$	1,230	$	1,003	$	3,603
Gains (losses) on marketable securities		228		806		198		(4,765)
	$	(62)	$	2,036	$	1,201	$	(1,162)

Other, net

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2021		2020		2021		2020
	(In thousands)
Losses (gains) on sales, disposals and involuntary conversions of long-lived assets		$	8,965	$	1,037	$	17,488	$	2,428
Litigation expenses and reserves			1,847		1,412		3,341		2,112
Foreign currency transaction losses (gains)			148		2,727		2,527		2,082
(Gain) loss on debt buyback			(123)		(35,936)		(8,185)		(51,678)
Other losses (gains)			(4,250)		(35)		(3,721)		(2,849)
		$	6,587	$	(30,795)	$	11,450	$	(47,905)

Schedule of changes in accumulated other comprehensive income (loss)

	Gains		Defined
	(losses) on		benefit		Foreign
	cash flow		pension plan		currency
	hedges		items		items		Total
	(In thousands (1) )
As of January 1, 2020	$	(65)	$	(3,778)	$	(7,945)	$	(11,788)
Other comprehensive income (loss) before reclassifications		—		—		(10,694)		(10,694)
Amounts reclassified from accumulated other comprehensive income (loss)		214		80		—		294
Net other comprehensive income (loss)		214		80		(10,694)		(10,400)
As of June 30, 2020	$	149	$	(3,698)	$	(18,639)	$	(22,188)

(1) All amounts are net of tax.

	Gains		Defined
	(losses) on		benefit		Foreign
	cash flow		pension plan		currency
	hedges		items		items		Total
	(In thousands (1) )
As of January 1, 2021	$	2	$	(3,616)	$	(7,510)	$	(11,124)
Other comprehensive income (loss) before reclassifications		—		(1,900)		4,320		2,420
Amounts reclassified from accumulated other comprehensive income (loss)		—		80		—		80
Net other comprehensive income (loss)		—		(1,820)		4,320		2,500
As of June 30, 2021	$	2	$	(5,436)	$	(3,190)	$	(8,624)

(1) All amounts are net of tax.

Schedule of line items that were reclassified from net income

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2021		2020		2021		2020
	(In thousands)
Interest expense		$	—	$	142	$	—	$	284
General and administrative expenses			52		52		104		104
Total income (loss) from continuing operations before income tax			(52)		(194)		(104)		(388)
Tax expense (benefit)			(12)		(47)		(24)		(94)
Reclassification adjustment for (gains)/ losses included in net income (loss)		$	(40)	$	(147)	$	(80)	$	(294)

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Segment Information (Tables)

6 Months Ended

Jun. 30, 2021

Segment Information

Financial information with respect to operating segments

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2021		2020		2021		2020
	(In thousands)
Operating revenues:
U.S. Drilling		$	161,606	$	173,784	$	303,905	$	448,685
Canada Drilling			12,313		3,564		33,302		29,155
International Drilling			255,282		301,078		502,120		638,188
Drilling Solutions			39,111		33,129		74,817		88,513
Rig Technologies			34,552		33,582		60,300		75,732
Other reconciling items (1)			(13,531)		(11,206)		(24,600)		(27,978)
Total		$	489,333	$	533,931	$	949,844	$	1,252,295

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2021		2020		2021		2020
	(In thousands)
Adjusted operating income (loss): (2)
U.S. Drilling		$	(20,869)	$	(23,395)	$	(44,205)	$	(30,799)
Canada Drilling			(2,608)		(5,795)		1,299		(5,758)
International Drilling			(8,439)		276		(27,071)		(3,871)
Drilling Solutions			6,524		1,733		11,234		12,282
Rig Technologies			(692)		(1,492)		(3,261)		(9,643)
Total segment adjusted operating income (loss)		$	(26,084)	$	(28,673)	$	(62,004)	$	(37,789)

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2021		2020		2021		2020
	(In thousands)
Reconciliation of segment adjusted operating income (loss) to net income (loss) from continuing operations before income taxes:
Total segment adjusted operating income (loss) (2)		$	(26,084)	$	(28,673)	$	(62,004)	$	(37,789)
Other reconciling items (3)			(31,369)		(28,622)		(64,995)		(58,838)
Investment income (loss)			(62)		2,036		1,201		(1,162)
Interest expense			(41,714)		(51,206)		(84,689)		(105,928)
Impairments and other charges			(59,868)		(57,852)		(62,351)		(334,286)
Other, net			(6,587)		30,795		(11,450)		47,905
Income (loss) from continuing operations before income taxes		$	(165,684)	$	(133,522)	$	(284,288)	$	(490,098)

	June 30,		December 31,
	2021		2020
	(In thousands)
Total assets:
U.S. Drilling	$	1,724,672	$	1,871,008
Canada Drilling		109,437		174,123
International Drilling		2,493,823		2,688,912
Drilling Solutions		82,705		100,278
Rig Technologies		208,611		225,954
Other reconciling items (3)		423,070		443,153
Total	$	5,042,318	$	5,503,428

(1) Represents the elimination of inter-segment transactions related to our Rig Technologies operating segment.

(2) Adjusted operating income (loss) represents income (loss) from continuing operations before income taxes, interest expense, earnings (losses) from unconsolidated affiliates, investment income (loss), impairments and other charges and other, net. Management evaluates the performance of our operating segments using adjusted operating income (loss), which is a segment performance measure, because it believes that this financial measure reflects our ongoing profitability and performance. In addition, securities analysts and investors use this measure as one of the metrics on which they analyze our performance. A reconciliation to income (loss) from continuing operations before income taxes is provided in the above table.

(3) Represents the elimination of inter-segment transactions and unallocated corporate expenses and assets.

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Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2021

Revenue Recognition

Summary of revenue is disaggregation by geographical region

	Three Months Ended
	June 30, 2021
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	121,360	$	—	$	—	$	21,436	$	15,448	$	—	$	158,244
U.S. Offshore Gulf of Mexico		32,967		—		—		1,822		—		—		34,789
Alaska		7,279		—		—		185		14		—		7,478
Canada		—		12,313		—		204		1,383		—		13,900
Middle East & Asia		—		—		174,339		9,457		13,575		—		197,371
Latin America		—		—		57,931		5,658		163		—		63,752
Europe, Africa & CIS		—		—		23,012		349		3,969		—		27,330
Eliminations & other		—		—		—		—		—		(13,531)		(13,531)
Total	$	161,606	$	12,313	$	255,282	$	39,111	$	34,552	$	(13,531)	$	489,333

	Six Months Ended
	June 30, 2021
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	230,896	$	—	$	—	$	39,884	$	27,985	$	—	$	298,765
U.S. Offshore Gulf of Mexico		60,159		—		—		4,558		—		—		64,717
Alaska		12,850		—		—		322		14		—		13,186
Canada		—		33,302		—		658		2,283		—		36,243
Middle East & Asia		—		—		342,525		18,448		22,655		—		383,628
Latin America		—		—		113,839		10,224		176		—		124,239
Europe, Africa & CIS		—		—		45,756		723		7,187		—		53,666
Eliminations & other		—		—		—		—		—		(24,600)		(24,600)
Total	$	303,905	$	33,302	$	502,120	$	74,817	$	60,300	$	(24,600)	$	949,844

	Three Months Ended
	June 30, 2020
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	128,814	$	—	$	—	$	19,325	$	12,108	$	—	$	160,247
U.S. Offshore Gulf of Mexico		36,682		—		—		1,867		—		—		38,549
Alaska		8,288		—		—		244		27		—		8,559
Canada		—		3,564		—		78		584		—		4,226
Middle East & Asia		—		—		193,313		10,496		16,581		—		220,390
Latin America		—		—		49,700		555		(30)		—		50,225
Europe, Africa & CIS		—		—		58,065		564		4,312		—		62,941
Eliminations & other		—		—		—		—		—		(11,206)		(11,206)
Total	$	173,784	$	3,564	$	301,078	$	33,129	$	33,582	$	(11,206)	$	533,931

	Six Months Ended
	June 30, 2020
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	349,043	$	—	$	—	$	55,037	$	32,640	$	—	$	436,720
U.S. Offshore Gulf of Mexico		75,738		—		—		5,033		—		—		80,771
Alaska		23,904		—		—		1,230		18		—		25,152
Canada		—		29,155		—		808		2,196		—		32,159
Middle East & Asia		—		—		394,490		21,534		32,134		—		448,158
Latin America		—		—		133,919		3,382		122		—		137,423
Europe, Africa & CIS		—		—		109,779		1,489		8,622		—		119,890
Eliminations & other		—		—		—		—		—		(27,978)		(27,978)
Total	$	448,685	$	29,155	$	638,188	$	88,513	$	75,732	$	(27,978)	$	1,252,295

Summary of contract assets, current and long-term contract liabilities

			Contract		Contract		Contract		Contract
	Contract		Assets		Assets		Liabilities		Liabilities
	Receivables		(Current)		(Long-term)		(Current)		(Long-term)
	(In millions)
As of December 31, 2020	$	427.2	$	23.5	$	6.8	$	42.8	$	44.2
As of June 30, 2021	$	379.8	$	26.6	$	5.3	$	46.9	$	35.6

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General (Details)	6 Months Ended
	Jun. 30, 2021 item country
General
Number of countries company has actively marketed rigs for land based drilling operations | country	20
Actively marketed rigs for offshore based drilling operations	29
United States and Canada
General
Actively marketed rigs for land based drilling operations	354
Countries Other Than United States and Canada
General
Actively marketed rigs for land based drilling operations	14

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Summary of Significant Accounting Policies - Inventory (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Inventory, net
Raw materials	$ 118,150	$ 133,424
Work-in-progress	2,881	3,452
Finished goods	26,331	23,709
Total inventory	$ 147,362	$ 160,585

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Joint Ventures (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Jan. 31, 2021	Dec. 31, 2017	Jun. 30, 2021	Dec. 31, 2020	Jun. 30, 2020	Dec. 31, 2019
Assets:
Cash and cash equivalents			$ 399,881	$ 472,246	$ 484,336	$ 435,990
Accounts receivable			312,136	362,977
Other current assets			116,062	109,595
Property, plant and equipment, net			3,562,350	3,985,707
Other long-term assets			141,721	139,085
Total assets			5,042,318	5,503,428
Liabilities:
Accounts payable			232,543	220,922
Accrued liabilities			270,890	276,085
Total liabilities			3,706,878	3,803,780
SANAD
Joint Ventures
Settled accrued interest	$ 100,000
Assets:
Cash and cash equivalents			304,924	368,981
Accounts receivable			70,273	79,711
Other current assets			11,105	17,148
Property, plant and equipment, net			456,050	428,331
Other long-term assets			20,223	2,590
Total assets			862,575	896,761
Liabilities:
Accounts payable			60,269	61,808
Accrued liabilities			29,792	18,791
Total liabilities			$ 90,061	$ 80,599
SANAD | Saudi Aramco
Joint Ventures
Cash contribution for joint venture		$ 20,000
Additional contribution amount		$ 394,000
Maturity period		25 years

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Accounts Receivable Sales Agreement (Details) - USD ($) $ in Thousands		6 Months Ended
	Jul. 13, 2021	Jun. 30, 2021	Dec. 31, 2020	Jun. 30, 2020	Dec. 31, 2019	Sep. 13, 2019
Accounts Receivable Sales Agreement
Cash and cash equivalents		$ 399,881	$ 472,246	$ 484,336	$ 435,990
5.50% senior notes due January 2023
Accounts Receivable Sales Agreement
Interest rate (as a percent)		5.50%
Accounts Receivable Sales Agreement
Accounts Receivable Sales Agreement
Agreement amount	$ 150,000					$ 250,000
Agreement expiration term extension (in years)	2 years
Accounts receivables sold to purchasers		$ 84,000	54,000
Gain (loss) on sale of receivables		0
Trade receivables pledged as collateral		$ 40,900	$ 63,100
Accounts Receivable Sales Agreement | Maximum | Forecast
Accounts Receivable Sales Agreement
Possible amount that the agreement could be increased	$ 200,000
Acceleration Of Expiration [Member] | 5.50% senior notes due January 2023
Accounts Receivable Sales Agreement
Interest rate (as a percent)		5.50%
Acceleration Of Expiration [Member] | Minimum | Forecast
Accounts Receivable Sales Agreement
Cash and cash equivalents	$ 220,000

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Debt (Details)	1 Months Ended		6 Months Ended
	Sep. 30, 2020 USD ($)	Jan. 31, 2017 USD ($) $ / shares	Jun. 30, 2021 USD ($)	Mar. 31, 2021	Dec. 31, 2020 USD ($)	Dec. 13, 2019 USD ($)	Oct. 11, 2018 USD ($)
Debt
Long-term Debt, Gross			$ 2,842,710,000		$ 2,990,971,000
Less: deferred financing costs			19,585,000		22,270,000
Long-term debt			2,823,125,000		2,968,701,000
Gain (Loss) on debt repurchase			8,200,000
Revolving credit facility			557,500,000		672,500,000
2018 revolving credit facility
Debt
Revolving credit facility			$ 557,500,000
Maximum borrowing capacity						$ 1,013,600,000.0000	$ 1,267,000,000
Weighted average interest rate (as a percent)			3.62%
Debt instrument, covenant, minimum liquidity, amount	$ 160,000,000.0
Debt covenant threshold amount added to restricted cash and cash equivalents for minimum liquidity	75,000,000
Debt covenant threshold percentage	$ 75
Collateralized assets, net value			$ 1,260,000,000
2018 revolving credit facility | Maximum
Debt
Debt to EBITDA ratio	5.5					5.5
2018 revolving credit facility | Guarantor Subsidiaries | Minimum
Debt
Debt instrument, guarantor coverage ratio	4.25
2018 revolving credit facility | Nabors Delaware
Debt
Interest rate on senior notes due (as a percent)							5.50%
Maximum borrowing capacity						$ 981,600,000
2018 revolving credit facility | Nabors Canada
Debt
Maximum borrowing capacity						$ 32,000,000.0
Senior Notes.
Debt
Principal amount redeemed			30,500,000
Repayment of long-term debt including accrued and unpaid interest			22,400,000
Payment of accrued and unpaid interest			600,000
4.625% senior notes due September 2021
Debt
Senior Notes			$ 82,428,000		86,329,000
Interest rate on senior notes due (as a percent)			4.625%
5.50% senior notes due January 2023
Debt
Senior Notes			$ 24,446,000		28,443,000
Interest rate on senior notes due (as a percent)			5.50%
5.10% senior notes due September 2023
Debt
Senior Notes			$ 120,141,000		121,077,000
Interest rate on senior notes due (as a percent)			5.10%
0.75% senior exchangeable notes due January 2024
Debt
Senior Notes			$ 253,733,000		279,700,000
Interest rate on senior notes due (as a percent)		0.75%	0.75%
5.75% senior notes due February 2025
Debt
Senior Notes			$ 586,308,000		610,818,000
Interest rate on senior notes due (as a percent)			5.75%
7.25% senior notes due January 2026
Debt
Interest rate on senior notes due (as a percent)			7.25%
7.50% senior notes due January 2028
Debt
Interest rate on senior notes due (as a percent)			7.50%
6.50% senior priority guaranteed notes due February 2025
Debt
Senior Notes			$ 50,485,000		50,485,000
Interest rate on senior notes due (as a percent)			6.50%
9.00% senior priority guaranteed notes due February 2025
Debt
Senior Notes			$ 218,082,000		192,032,000
Interest rate on senior notes due (as a percent)			9.00%
7.25% senior guaranteed notes due January 2026
Debt
Senior Notes			$ 559,978,000		559,978,000
Interest rate on senior notes due (as a percent)			7.25%
7.50% senior guaranteed notes due January 2028
Debt
Senior Notes			$ 389,609,000		$ 389,609,000
Interest rate on senior notes due (as a percent)			7.50%
Debt Exchange Transactions
Debt
Future contractual interest payments			$ 9,400,000
Aggregate principal amount exchanged			40,000,000
Aggregate principal amount of debt issued in exchanges			26,050,000
Debt Exchange Transactions | Nabors Delaware
Debt
Aggregate principal amount exchanged			40,000,000.0
Debt Exchange Transactions | 0.75% senior exchangeable notes due January 2024
Debt
Long-term Debt			287,300,000
Aggregate amount of senior notes		$ 575,000,000.0
Interest rate on senior notes due (as a percent)		0.75%
Debt exchangeable notes		$ 411,200,000
Equity component		$ 163,800,000
Exchange rate of common shares		0.8018
Principal amount of notes		$ 1,000
Exchange price per common share (in dollars per share) | $ / shares		$ 1,247.19
Aggregate principal amount exchanged			35,000,000
Debt Exchange Transactions | 5.75% senior notes due February 2025
Debt
Aggregate principal amount exchanged			5,000,000
Debt Exchange Transactions | 9.00% senior priority guaranteed notes due February 2025
Debt
Aggregate amount of senior notes			$ 26,100,000
Interest rate on senior notes due (as a percent)			9.00%	9.00%

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Shareholders Equity (Details)						3 Months Ended	6 Months Ended		12 Months Ended
	Jun. 11, 2021 shares	May 03, 2021 shares	May 27, 2020	May 05, 2020 $ / shares shares	Apr. 20, 2020 USD ($) $ / shares shares	Jun. 30, 2020 $ / shares	Jun. 30, 2021 USD ($) $ / shares shares	Jun. 30, 2020 $ / shares	Dec. 31, 2020 $ / shares shares	Dec. 31, 2018 $ / shares shares	May 27, 2021 USD ($) item $ / shares shares	Apr. 24, 2020 shares	Apr. 19, 2020 $ / shares shares	Jan. 31, 2017
Common shares
Reverse stock split ratio					50
Common shares, shares authorized					16,000,000		32,000,000		32,000,000			32,000,000	800,000,000
Fractional common shares issued					0
Common shares, par value (in dollars per share) | $ / shares					$ 0.05		$ 0.05		$ 0.05				$ 0.001
Common stock shares authorized increase percentage					100.00%
Common stock shares authorized amount | $					$ 1,600,000
Preferred stock, rate (as a percent)							6.00%		6.00%
Preferred shares, par value (in dollars per share) | $ / shares							$ 0.001		$ 0.001
Preferred stock, liquidation preference (in dollars per share) | $ / shares							50		$ 50
Preferred Stock, Dividends Per Share, Declared | $ / shares						$ 0.75	$ 0.75	$ 1.50
Number of right share for each outstanding common share											1
Number of warrants received per common share held	0.40
Number of warrants issued	3,236,430
Gain for the decrease in liability | $							$ 1,700,000
Exercise price (in dollars per share) | $ / shares											$ 166.66667
Number of additional securities											0.333
Multiplying factor for exercise of warrants | item											3
Percentage volume weighted average price of stock times factor must exceed sum of volume weighted average prices of second, third and fourth days before exercise											6.00%
Conversion price percentage											95.00%
Fair value of the Warrants | $							$ 1,000,000.0				$ 2,700,000
Minimum percentage beneficial ownership to trigger rights exercise (as a percent)			10.00%	4.90%
Percentage discount that a rights holder is entitled to when purchasing additional shares (as a percent)				50.00%
Price per share at which the Rights may be redeemed				0.01
Exchange ratio after rights trigger				1
Preferred stock, shares outstanding							0		4,870,000
5.10% senior notes due September 2023
Common shares
Interest rate (as a percent)							5.10%
0.75% senior exchangeable notes due January 2024
Common shares
Interest rate (as a percent)							0.75%							0.75%
5.75% senior notes due February 2025
Common shares
Interest rate (as a percent)							5.75%
7.25% senior notes due January 2026
Common shares
Interest rate (as a percent)							7.25%
Specific Shareholder
Common shares
Minimum percentage beneficial ownership to trigger rights exercise (as a percent)				10.00%
Acquiring Company
Common shares
Percentage discount that a rights holder is entitled to when purchasing additional shares (as a percent)				50.00%
Minimum
Common shares
Reverse stock split ratio					15
Additional ownership percentage acquired for right trigger				0.50%
Maximum
Common shares
Reverse stock split ratio					50
Mandatory Convertible Preferred Shares
Common shares
Preferred stock, shares issued										5,750,000
Preferred stock, rate (as a percent)										6.00%
Preferred shares, par value (in dollars per share) | $ / shares										$ 0.001
Preferred stock, liquidation preference (in dollars per share) | $ / shares										$ 50
Preferred stock, shares outstanding									4,900,000
Series B Preferred Stock
Common shares
Preferred shares, par value (in dollars per share) | $ / shares				$ 0.001
Number of right share for each outstanding common share				1
Number of shares each right entitled to purchase				0.001
Exercise price (in dollars per share) | $ / shares				$ 58.08
Common Stock | Mandatory Convertible Preferred Shares
Common shares
Shares issued		668,000

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Fair Value Measurements - Debt (Details) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2021 USD ($) D	Dec. 31, 2020 USD ($)	Jan. 31, 2017
Fair Value of Financial Instruments
Number of business day notice period | D	20
Less: deferred financing costs	$ 19,585	$ 22,270
4.625% senior notes due September 2021
Fair Value of Financial Instruments
Interest rate on senior notes due (as a percent)	4.625%
5.50% senior notes due January 2023
Fair Value of Financial Instruments
Interest rate on senior notes due (as a percent)	5.50%
5.10% senior notes due September 2023
Fair Value of Financial Instruments
Interest rate on senior notes due (as a percent)	5.10%
0.75% senior exchangeable notes due January 2024
Fair Value of Financial Instruments
Interest rate on senior notes due (as a percent)	0.75%		0.75%
5.75% senior notes due February 2025
Fair Value of Financial Instruments
Interest rate on senior notes due (as a percent)	5.75%
6.50% senior priority guaranteed notes due February 2025
Fair Value of Financial Instruments
Interest rate on senior notes due (as a percent)	6.50%
9.00% senior priority guaranteed notes due February 2025
Fair Value of Financial Instruments
Interest rate on senior notes due (as a percent)	9.00%
7.25% senior guaranteed notes due January 2026
Fair Value of Financial Instruments
Interest rate on senior notes due (as a percent)	7.25%
7.50% senior guaranteed notes due January 2028
Fair Value of Financial Instruments
Interest rate on senior notes due (as a percent)	7.50%
Fair Value
Fair Value of Financial Instruments
Debt	$ 2,783,685	2,229,649
Fair Value | 2018 revolving credit facility
Fair Value of Financial Instruments
Debt	557,500	672,500
Fair Value | 4.625% senior notes due September 2021
Fair Value of Financial Instruments
Debt	82,718	78,862
Fair Value | 5.50% senior notes due January 2023
Fair Value of Financial Instruments
Debt	23,683	18,768
Fair Value | 5.10% senior notes due September 2023
Fair Value of Financial Instruments
Debt	116,524	78,435
Fair Value | 0.75% senior exchangeable notes due January 2024
Fair Value of Financial Instruments
Debt	257,391	169,458
Fair Value | 5.75% senior notes due February 2025
Fair Value of Financial Instruments
Debt	540,195	318,871
Fair Value | 6.50% senior priority guaranteed notes due February 2025
Fair Value of Financial Instruments
Debt	49,156	44,059
Fair Value | 9.00% senior priority guaranteed notes due February 2025
Fair Value of Financial Instruments
Debt	229,869	185,221
Fair Value | 7.25% senior guaranteed notes due January 2026
Fair Value of Financial Instruments
Debt	550,240	396,106
Fair Value | 7.50% senior guaranteed notes due January 2028
Fair Value of Financial Instruments
Debt	376,409	267,369
Carrying Value
Fair Value of Financial Instruments
Debt	2,842,710	2,990,971
Less: deferred financing costs	19,585	22,270
Debt, net of financing costs	2,823,125	2,968,701
Carrying Value | 2018 revolving credit facility
Fair Value of Financial Instruments
Debt	557,500	672,500
Carrying Value | 4.625% senior notes due September 2021
Fair Value of Financial Instruments
Debt	82,428	86,329
Carrying Value | 5.50% senior notes due January 2023
Fair Value of Financial Instruments
Debt	24,446	28,443
Carrying Value | 5.10% senior notes due September 2023
Fair Value of Financial Instruments
Debt	120,141	121,077
Carrying Value | 0.75% senior exchangeable notes due January 2024
Fair Value of Financial Instruments
Debt	253,733	279,700
Carrying Value | 5.75% senior notes due February 2025
Fair Value of Financial Instruments
Debt	586,308	610,818
Carrying Value | 6.50% senior priority guaranteed notes due February 2025
Fair Value of Financial Instruments
Debt	50,485	50,485
Carrying Value | 9.00% senior priority guaranteed notes due February 2025
Fair Value of Financial Instruments
Debt	218,082	192,032
Carrying Value | 7.25% senior guaranteed notes due January 2026
Fair Value of Financial Instruments
Debt	559,978	559,978
Carrying Value | 7.50% senior guaranteed notes due January 2028
Fair Value of Financial Instruments
Debt	$ 389,609	$ 389,609

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Commitments and Contingencies - Litigation (Details) $ in Millions	1 Months Ended	6 Months Ended	12 Months Ended
	Mar. 31, 2011 USD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2018 USD ($)
Court of Ouargla Algeria Foreign Currency Controls
Commitments and Contingencies, Disclosure
Litigation amount as per judgment	$ 21.0
Payment of contract amount in foreign currency	7.5
Payment of contract amount in domestic currency	$ 3.2
Approximate multiplier of the amount at issue for fines and penalties		4
Court of Ouargla Algeria Foreign Currency Controls | Maximum
Commitments and Contingencies, Disclosure
Potential judgment in excess of accrual		$ 13.0
KMG Nabors Drilling Company Joint Venture | Atyrau Oblast Ecology Department
Commitments and Contingencies, Disclosure
Administrative fines			$ 0.8
KMG Nabors Drilling Company Joint Venture | Atyrau Oblast Ecology Department | Minimum
Commitments and Contingencies, Disclosure
Environmental damages			$ 3.4

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Commitments and Contingencies - Financial Guarantees (Details) $ in Thousands	Jun. 30, 2021 USD ($)
Summary of total maximum amount of financial guarantees issued
2021	$ 46,462
2022	140,828
2023	112
Thereafter	50
Total	$ 187,452

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Earnings (Losses) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Net income (loss) (numerator):
Income (loss) from continuing operations, net of tax	$ (190,403)	$ (137,968)	$ (318,732)	$ (512,237)
Less: net (income) loss attributable to noncontrolling interest	(5,614)	(10,167)	(14,390)	(27,632)
Less: preferred stock dividends		(3,653)	(3,653)	(7,305)
Less: accrued distribution on redeemable noncontrolling interest in subsidiary	(2,330)	(4,307)	(4,732)	(8,739)
Less: distributed and undistributed earnings allocated to unvested shareholders				(125)
Adjusted income (loss) from continuing operations, net of tax - basic	(198,347)	(156,095)	(341,507)	(556,038)
Income (loss) from discontinued operations, net of tax	$ 8	$ 23	$ 27	$ (70)
Weighted-average number of shares outstanding - basic	7,460	7,052	7,281	7,052
Earnings (losses) Per Share:
Basic from continuing operations (in dollars per share)	$ (26.59)	$ (22.13)	$ (46.90)	$ (78.85)
Basic from discontinued operations (in dollars per share)				(0.01)
Total Basic (in dollars per share)	$ (26.59)	$ (22.13)	$ (46.90)	$ (78.86)
DILUTED EPS:
Adjusted income (loss) from continuing operations, net of tax - basic	$ (198,347)	$ (156,095)	$ (341,507)	$ (556,038)
Adjusted income (loss) from continuing operations, net of tax - diluted	(198,347)	(156,095)	(341,507)	(556,038)
Income (loss) from discontinued operations, net of tax	$ 8	$ 23	$ 27	$ (70)
Weighted-average number of shares outstanding - basic	7,460	7,052	7,281	7,052
Weighted-average number of shares outstanding - diluted	7,460	7,052	7,281	7,052
Earnings (losses) per share:
Diluted from continuing operations (in dollars per share)	$ (26.59)	$ (22.13)	$ (46.90)	$ (78.85)
Diluted from discontinued operations (in dollars per share)				(0.01)
Total Diluted (in dollars per share)	$ (26.59)	$ (22.13)	$ (46.90)	$ (78.86)

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Earnings (Losses) Per Share - Exclusions from Diluted Earnings (Details) - shares shares in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities excluded as anti-dilutive	75		67	74	67
Mandatory Convertible Preferred Shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities excluded as anti-dilutive	5,000	790

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Impairments and Other Charges (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020
Impairments and Other Charges
Goodwill impairments					$ 27,798
Impairment of Intangible Assets (Excluding Goodwill)		$ 1			83,625
Oil and gas related assets			$ 12,300		12,286
Severance and transaction related costs	$ 1,513	11,176		$ 2,592	11,835
Other assets	355	381		1,126	16,984
Total	59,868	57,852		62,351	334,286
Other Machinery and Equipment
Impairments and Other Charges
Intangible asset impairment				28,600
U.S. Drilling
Impairments and Other Charges
Impairment of Long-Lived Assets Held-for-use			33,300
U.S. Drilling | Drilling, workover rigs and related equipment
Impairments and Other Charges
Intangible asset impairment			54,000
Impairment of Long-Lived Assets Held-for-use		4,961		87,300	87,333
Canada Drilling | Other Machinery and Equipment
Impairments and Other Charges
Intangible asset impairment	58,000			58,000
International Drilling | Drilling, workover rigs and related equipment
Impairments and Other Charges
Recorded impairment			30,500
Impairment of Long-Lived Assets Held-for-use		32,591		215	63,076
Drilling Solutions
Impairments and Other Charges
Goodwill impairments			11,400
Rig Technologies
Impairments and Other Charges
Goodwill impairments			$ 16,400
Intangible asset impairment		(90)		418	2,708
Provision for obsolescence	$ 400	2,700		400	2,700
Rig Technologies | Other Machinery and Equipment
Impairments and Other Charges
Impairment of Long-Lived Assets Held-for-use		$ 8,832			$ 28,641
Drilling and Rig Services
Impairments and Other Charges
Impairment of Intangible Assets (Excluding Goodwill)				$ 83,600

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Supplemental Balance Sheet and Income Statement Information - Accrued Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Accrued liabilities
Accrued compensation	$ 71,278	$ 82,462
Deferred revenue and proceeds on insurance and asset sales	69,654	61,473
Other taxes payable	29,027	28,602
Workers' compensation liabilities	7,788	7,788
Interest payable	70,245	62,935
Litigation reserves	14,621	13,976
Dividends declared and payable		3,653
Other accrued liabilities	8,277	15,196
Accrued liabilities	$ 270,890	$ 276,085

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Supplemental Balance Sheet and Income Statement Information - Investment income (loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Investment income (loss)
Interest and dividend income, including correction	$ (290)
Interest and dividend income		$ 1,230	$ 1,003	$ 3,603
Gains (losses) on marketable securities	228	806	198	(4,765)
Investment income (loss)	$ (62)	$ 2,036	$ 1,201	$ (1,162)

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Supplemental Balance Sheet and Income Statement Information - Other Expense (Income) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Other expense (income)
Losses (gains) on sales, disposals and involuntary conversions of long-lived assets	$ 8,965	$ 1,037	$ 17,488	$ 2,428
Litigation expenses and reserves	1,847	1,412	3,341	2,112
Foreign currency transaction losses (gains)	148	2,727	2,527	2,082
(Gain) loss on debt buyback	(123)	(35,936)	(8,185)	(51,678)
Other losses (gains)	(4,250)	(35)	(3,721)	(2,849)
Other, net	$ 6,587	$ (30,795)	$ 11,450	$ (47,905)

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Supplemental Balance Sheet and Income Statement Information - Accumulated Other Comp Inc (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Changes in accumulated other comprehensive income (loss)
Balance at the beginning of the period			$ 1,151,384
Other comprehensive income (loss), net of tax	$ 2,132	$ 6,818	2,500	$ (10,400)
Balance at the end of the period	818,919		818,919
Accumulated Other Comprehensive Income
Changes in accumulated other comprehensive income (loss)
Balance at the beginning of the period			(11,124)	(11,788)
Other comprehensive income (loss) before reclassifications			2,420	(10,694)
Amounts reclassified from accumulated other comprehensive income (loss)			80	294
Other comprehensive income (loss), net of tax			2,500	(10,400)
Balance at the end of the period	(8,624)	(22,188)	(8,624)	(22,188)
Gains (losses) on cash flow hedges
Changes in accumulated other comprehensive income (loss)
Balance at the beginning of the period			2	(65)
Amounts reclassified from accumulated other comprehensive income (loss)				214
Other comprehensive income (loss), net of tax				214
Balance at the end of the period	2	149	2	149
Defined benefit pension plan items
Changes in accumulated other comprehensive income (loss)
Balance at the beginning of the period			(3,616)	(3,778)
Other comprehensive income (loss) before reclassifications			(1,900)
Amounts reclassified from accumulated other comprehensive income (loss)			80	80
Other comprehensive income (loss), net of tax			(1,820)	80
Balance at the end of the period	(5,436)	(3,698)	(5,436)	(3,698)
Foreign currency items
Changes in accumulated other comprehensive income (loss)
Balance at the beginning of the period			(7,510)	(7,945)
Other comprehensive income (loss) before reclassifications			4,320	(10,694)
Other comprehensive income (loss), net of tax			4,320	(10,694)
Balance at the end of the period	$ (3,190)	$ (18,639)	$ (3,190)	$ (18,639)

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Supplemental Balance Sheet and Income Statement Information - Reclass Accumulated Other (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Unrealized (gains) losses on available-for-sale securities that were reclassified from net income
Interest expense	$ 41,714	$ 51,206	$ 84,689	$ 105,928
General and administrative expenses	51,580	46,244	106,240	103,628
Income (loss) from continuing operations before income taxes	(165,684)	(133,522)	(284,288)	(490,098)
Tax expense (benefit)	24,719	4,446	34,444	22,139
Net income (loss)	(190,395)	(137,945)	(318,705)	(512,307)
Reclassification out of Accumulated Other Comprehensive Income
Unrealized (gains) losses on available-for-sale securities that were reclassified from net income
Interest expense		142		284
General and administrative expenses	52	52	104	104
Income (loss) from continuing operations before income taxes	(52)	(194)	(104)	(388)
Tax expense (benefit)	(12)	(47)	(24)	(94)
Net income (loss)	$ (40)	$ (147)	$ (80)	$ (294)

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Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Operating revenues and earnings (losses) from unconsolidated affiliates:
Total operating revenues	$ 489,333	$ 533,931	$ 949,844	$ 1,252,295
Reconciliation of segment adjusted operating income (loss) to net income (loss) from continuing operations before income taxes:
Adjusted operating income (loss)	(26,084)	(28,673)	(62,004)	(37,789)
Investment income (loss)	(62)	2,036	1,201	(1,162)
Interest expense	(41,714)	(51,206)	(84,689)	(105,928)
Impairments and other charges	(59,868)	(57,852)	(62,351)	(334,286)
Other, net	(6,587)	30,795	(11,450)	47,905
Income (loss) from continuing operations before income taxes	(165,684)	(133,522)	(284,288)	(490,098)
ASSETS
Total assets	5,042,318		5,042,318		$ 5,503,428
Operating segment
Reconciliation of segment adjusted operating income (loss) to net income (loss) from continuing operations before income taxes:
Adjusted operating income (loss)	(26,084)	(28,673)	(62,004)	(37,789)
Other reconciling items
Reconciliation of segment adjusted operating income (loss) to net income (loss) from continuing operations before income taxes:
Adjusted operating income (loss)	(31,369)	(28,622)	(64,995)	(58,838)
ASSETS
Total assets	423,070		423,070		443,153
U.S. Drilling
Operating revenues and earnings (losses) from unconsolidated affiliates:
Total operating revenues	161,606	173,784	303,905	448,685
U.S. Drilling | Operating segment
Operating revenues and earnings (losses) from unconsolidated affiliates:
Total operating revenues	161,606	173,784	303,905	448,685
Reconciliation of segment adjusted operating income (loss) to net income (loss) from continuing operations before income taxes:
Adjusted operating income (loss)	(20,869)	(23,395)	(44,205)	(30,799)
ASSETS
Total assets	1,724,672		1,724,672		1,871,008
Canada Drilling
Operating revenues and earnings (losses) from unconsolidated affiliates:
Total operating revenues	12,313	3,564	33,302	29,155
Canada Drilling | Operating segment
Operating revenues and earnings (losses) from unconsolidated affiliates:
Total operating revenues	12,313	3,564	33,302	29,155
Reconciliation of segment adjusted operating income (loss) to net income (loss) from continuing operations before income taxes:
Adjusted operating income (loss)	(2,608)	(5,795)	1,299	(5,758)
ASSETS
Total assets	109,437		109,437		174,123
International Drilling
Operating revenues and earnings (losses) from unconsolidated affiliates:
Total operating revenues	255,282	301,078	502,120	638,188
International Drilling | Operating segment
Operating revenues and earnings (losses) from unconsolidated affiliates:
Total operating revenues	255,282	301,078	502,120	638,188
Reconciliation of segment adjusted operating income (loss) to net income (loss) from continuing operations before income taxes:
Adjusted operating income (loss)	(8,439)	276	(27,071)	(3,871)
ASSETS
Total assets	2,493,823		2,493,823		2,688,912
Drilling Solutions
Operating revenues and earnings (losses) from unconsolidated affiliates:
Total operating revenues	39,111	33,129	74,817	88,513
Drilling Solutions | Operating segment
Operating revenues and earnings (losses) from unconsolidated affiliates:
Total operating revenues	39,111	33,129	74,817	88,513
Reconciliation of segment adjusted operating income (loss) to net income (loss) from continuing operations before income taxes:
Adjusted operating income (loss)	6,524	1,733	11,234	12,282
ASSETS
Total assets	82,705		82,705		100,278
Rig Technologies | Operating segment
Reconciliation of segment adjusted operating income (loss) to net income (loss) from continuing operations before income taxes:
Adjusted operating income (loss)	(692)	$ (1,492)	(3,261)	$ (9,643)
ASSETS
Total assets	$ 208,611		$ 208,611		$ 225,954

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Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Disaggregation of Revenue [Line Items]
Operating revenues	$ 489,333	$ 533,931	$ 949,844	$ 1,252,295
U.S. Drilling
Disaggregation of Revenue [Line Items]
Operating revenues	161,606	173,784	303,905	448,685
Canada Drilling
Disaggregation of Revenue [Line Items]
Operating revenues	12,313	3,564	33,302	29,155
International Drilling
Disaggregation of Revenue [Line Items]
Operating revenues	255,282	301,078	502,120	638,188
Drilling Solutions
Disaggregation of Revenue [Line Items]
Operating revenues	39,111	33,129	74,817	88,513
Rig Technologies
Disaggregation of Revenue [Line Items]
Operating revenues	34,552	33,582	60,300	75,732
Other
Disaggregation of Revenue [Line Items]
Operating revenues	(13,531)	(11,206)	(24,600)	(27,978)
Operating segment | Lower 48
Disaggregation of Revenue [Line Items]
Operating revenues	158,244	160,247	298,765	436,720
Operating segment | U.S. Offshore Gulf Of Mexico
Disaggregation of Revenue [Line Items]
Operating revenues	34,789	38,549	64,717	80,771
Operating segment | Alaska
Disaggregation of Revenue [Line Items]
Operating revenues	7,478	8,559	13,186	25,152
Operating segment | Canada
Disaggregation of Revenue [Line Items]
Operating revenues	13,900	4,226	36,243	32,159
Operating segment | Middle East & Asia
Disaggregation of Revenue [Line Items]
Operating revenues	197,371	220,390	383,628	448,158
Operating segment | Latin America
Disaggregation of Revenue [Line Items]
Operating revenues	63,752	50,225	124,239	137,423
Operating segment | Europe, Africa & CIS
Disaggregation of Revenue [Line Items]
Operating revenues	27,330	62,941	53,666	119,890
Operating segment | U.S. Drilling
Disaggregation of Revenue [Line Items]
Operating revenues	161,606	173,784	303,905	448,685
Operating segment | U.S. Drilling | Lower 48
Disaggregation of Revenue [Line Items]
Operating revenues	121,360	128,814	230,896	349,043
Operating segment | U.S. Drilling | U.S. Offshore Gulf Of Mexico
Disaggregation of Revenue [Line Items]
Operating revenues	32,967	36,682	60,159	75,738
Operating segment | U.S. Drilling | Alaska
Disaggregation of Revenue [Line Items]
Operating revenues	7,279	8,288	12,850	23,904
Operating segment | Canada Drilling
Disaggregation of Revenue [Line Items]
Operating revenues	12,313	3,564	33,302	29,155
Operating segment | Canada Drilling | Canada
Disaggregation of Revenue [Line Items]
Operating revenues	12,313	3,564	33,302	29,155
Operating segment | International Drilling
Disaggregation of Revenue [Line Items]
Operating revenues	255,282	301,078	502,120	638,188
Operating segment | International Drilling | Middle East & Asia
Disaggregation of Revenue [Line Items]
Operating revenues	174,339	193,313	342,525	394,490
Operating segment | International Drilling | Latin America
Disaggregation of Revenue [Line Items]
Operating revenues	57,931	49,700	113,839	133,919
Operating segment | International Drilling | Europe, Africa & CIS
Disaggregation of Revenue [Line Items]
Operating revenues	23,012	58,065	45,756	109,779
Operating segment | Drilling Solutions
Disaggregation of Revenue [Line Items]
Operating revenues	39,111	33,129	74,817	88,513
Operating segment | Drilling Solutions | Lower 48
Disaggregation of Revenue [Line Items]
Operating revenues	21,436	19,325	39,884	55,037
Operating segment | Drilling Solutions | U.S. Offshore Gulf Of Mexico
Disaggregation of Revenue [Line Items]
Operating revenues	1,822	1,867	4,558	5,033
Operating segment | Drilling Solutions | Alaska
Disaggregation of Revenue [Line Items]
Operating revenues	185	244	322	1,230
Operating segment | Drilling Solutions | Canada
Disaggregation of Revenue [Line Items]
Operating revenues	204	78	658	808
Operating segment | Drilling Solutions | Middle East & Asia
Disaggregation of Revenue [Line Items]
Operating revenues	9,457	10,496	18,448	21,534
Operating segment | Drilling Solutions | Latin America
Disaggregation of Revenue [Line Items]
Operating revenues	5,658	555	10,224	3,382
Operating segment | Drilling Solutions | Europe, Africa & CIS
Disaggregation of Revenue [Line Items]
Operating revenues	349	564	723	1,489
Operating segment | Rig Technologies
Disaggregation of Revenue [Line Items]
Operating revenues	34,552	33,582	60,300	75,732
Operating segment | Rig Technologies | Lower 48
Disaggregation of Revenue [Line Items]
Operating revenues	15,448	12,108	27,985	32,640
Operating segment | Rig Technologies | Alaska
Disaggregation of Revenue [Line Items]
Operating revenues	14	27	14	18
Operating segment | Rig Technologies | Canada
Disaggregation of Revenue [Line Items]
Operating revenues	1,383	584	2,283	2,196
Operating segment | Rig Technologies | Middle East & Asia
Disaggregation of Revenue [Line Items]
Operating revenues	13,575	16,581	22,655	32,134
Operating segment | Rig Technologies | Latin America
Disaggregation of Revenue [Line Items]
Operating revenues	163	(30)	176	122
Operating segment | Rig Technologies | Europe, Africa & CIS
Disaggregation of Revenue [Line Items]
Operating revenues	3,969	4,312	7,187	8,622
Other reconciling items | Other
Disaggregation of Revenue [Line Items]
Operating revenues	(13,531)	(11,206)	(24,600)	(27,978)
Other reconciling items | Other | Other
Disaggregation of Revenue [Line Items]
Operating revenues	(13,531)	(11,206)	(24,600)	(27,978)
Other reconciling items (3)
Disaggregation of Revenue [Line Items]
Operating revenues	$ 13,531	$ 11,206	$ 24,600	$ 27,978

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Revenue Recognition - Changes in Contract Assets and Contract Liabilities (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021	Dec. 31, 2020
Accounts receivables current
Contract Receivables	$ 379.8	$ 427.2
Contract with customer assets current
Contract Assets (Current)	26.6	23.5
Contract with customer non-current asset
Contract Assets (Long-term)	5.3	6.8
Contract with customer liability current
Contract Liabilities (Current)	46.9	42.8
Contract with customer liability non-current
Contract Liabilities (Long-term)	$ 35.6	$ 44.2
Contract Asset Balance
2021	68.00%
Contract percentage recognized	35.00%
2022	26.00%
2023 or thereafter	6.00%

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Revenue Recognition - Remaining Performance Obligation (Details)	Jun. 30, 2021
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01
Remaining performance obligations
Percentage of remaining performance obligation expected to be recognized in period	13.00%
Revenue, Remaining performance obligation, expected timing of satisfaction period	6 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-02
Remaining performance obligations
Percentage of remaining performance obligation expected to be recognized in period	39.00%
Revenue, Remaining performance obligation, expected timing of satisfaction period	12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01
Remaining performance obligations
Percentage of remaining performance obligation expected to be recognized in period	20.00%
Revenue, Remaining performance obligation, expected timing of satisfaction period	12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01
Remaining performance obligations
Percentage of remaining performance obligation expected to be recognized in period	41.00%
Revenue, Remaining performance obligation, expected timing of satisfaction period	12 months

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Assets Held for Sale (Details) $ in Thousands	Jun. 30, 2021 USD ($) item	Dec. 31, 2020 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale	$ 111,682	$ 16,562
Canada Drilling segment holdings | Disposal Group, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale	$ 95,000
Number of land based drilling | item	35