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 March 31, 2011

Commission File Number: 001-32657

NABORS INDUSTRIES LTD.

Incorporated in Bermuda
Crown House
Second Floor
4 Par-la-Ville Road

Hamilton, HM08
Bermuda
(441) 292-1510

98-0363970

(I.R.S. Employer Identification No.)

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 þ NO o

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

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

Large Accelerated Filer þ Accelerated Filer o Non-accelerated Filer o Smaller Reporting Company o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).  YES o NO þ

The number of common shares, par value $.001 per share, outstanding as of April 25, 2011 was 287,365,305.

NABORS INDUSTRIES LTD. AND SUBSIDIARIES

Index

PART I FINANCIAL INFORMATION
	Item 1.	Financial Statements
		Consolidated Balance Sheets as of March 31, 2011 and December 31, 2010	3
		Consolidated Statements of Income (Loss) for the Three Months Ended March 31, 2011 and 2010	4
		Consolidated Statements of Cash Flows for the Three Months Ended March 31, 2011 and 2010	5
		Consolidated Statements of Changes in Equity for the Three Months Ended March 31, 2011 and 2010	6
		Notes to Consolidated Financial Statements	8
		Report of Independent Registered Public Accounting Firm	32
	Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	33
	Item 3.	Quantitative and Qualitative Disclosures About Market Risk	45
	Item 4.	Controls and Procedures	45
PART II OTHER INFORMATION
	Item 1.	Legal Proceedings	46
	Item 1A.	Risk Factors	46
	Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	47
	Item 6.	Exhibits	48
Signatures			49
EX-15
EX-31.1
EX-31.2
EX-32.1
EX-101 INSTANCE DOCUMENT
EX-101 SCHEMA DOCUMENT
EX-101 CALCULATION LINKBASE DOCUMENT
EX-101 LABELS LINKBASE DOCUMENT
EX-101 PRESENTATION LINKBASE DOCUMENT
EX-101 DEFINITION LINKBASE DOCUMENT

2

NABORS INDUSTRIES LTD. AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEETS

	March 31,			December 31,
(In thousands, except per share amounts)	2011			2010
	(Unaudited)
ASSETS
Current assets:
Cash and cash equivalents	$	569,736		$	641,702
Short-term investments		160,571			159,488
Assets held for sale		357,516			352,048
Accounts receivable, net		1,242,954			1,116,510
Inventory		195,230			158,836
Deferred income taxes		21,214			31,510
Other current assets		163,909			152,836
Total current assets		2,711,130			2,612,930
Long-term investments and other receivables		43,744			40,300
Property, plant and equipment, net		7,975,957			7,815,419
Goodwill		494,005			494,372
Investment in unconsolidated affiliates		300,425			267,723
Other long-term assets		365,147			415,825
Total assets	$	11,890,408		$	11,646,569
LIABILITIES AND EQUITY
Current liabilities:
Current portion of long-term debt	$	1,391,224		$	1,379,018
Trade accounts payable		433,695			355,282
Accrued liabilities		376,715			394,292
Income taxes payable		28,958			25,788
Total current liabilities		2,230,592			2,154,380
Long-term debt		3,064,035			3,064,126
Other long-term liabilities		262,556			245,765
Deferred income taxes		789,743			770,247
Total liabilities		6,346,926			6,234,518
Commitments and contingencies (Note 9)
Subsidiary preferred stock		69,188			69,188
Equity:
Shareholders’ equity:
Common shares, par value $.001 per share:
Authorized common shares 800,000; issued 316,435 and 315,034, respectively		316			315
Capital in excess of par value		2,266,800			2,255,787
Accumulated other comprehensive income		379,956			342,052
Retained earnings		3,790,706			3,707,881
Less: treasury shares, at cost, 29,414 common shares		(977,873	)		(977,873	)
Total shareholders’ equity		5,459,905			5,328,162
Noncontrolling interest		14,389			14,701
Total equity		5,474,294			5,342,863
Total liabilities and equity	$	11,890,408		$	11,646,569

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

3

NABORS INDUSTRIES LTD. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF INCOME (LOSS)

(Unaudited)

	Three Months Ended March 31,
(In thousands, except per share amounts)	2011			2010
Revenues and other income:
Operating revenues	$	1,381,279		$	891,346
Earnings (losses) from unconsolidated affiliates		16,274			7,642
Investment income (loss)		12,287			(2,557	)
Total revenues and other income		1,409,840			896,431
Costs and other deductions:
Direct costs		858,371			505,197
General and administrative expenses		118,458			75,426
Depreciation and amortization		226,102			171,536
Depletion		3,573			5,027
Interest expense		73,924			66,769
Losses (gains) on sales and retirements of long-lived assets and other expense (income), net		6,029			20,367
Total costs and other deductions		1,286,457			844,322
Income (loss) from continuing operations before income taxes		123,383			52,109
Income tax expense (benefit):
Current		16,653			12,645
Deferred		21,654			(4,055	)
Total income tax expense (benefit)		38,307			8,590
Subsidiary preferred stock dividend		750			—
Income (loss) from continuing operations, net of tax		84,326			43,519
Income (loss) from discontinued operations, net of tax		(2,170	)		(4,421	)
Net income (loss)		82,156			39,098
Less: Net (income) loss attributable to noncontrolling interest		669			1,102
Net income (loss) attributable to Nabors	$	82,825		$	40,200
Earnings (losses) per share:
Basic from continuing operations	$	.30		$	.16
Basic from discontinued operations		(.01	)		(.02	)
Total Basic	$	.29		$	.14
Diluted from continuing operations	$	.29		$	.16
Diluted from discontinued operations		(.01	)		(.02	)
Total Diluted	$	.28		$	.14
Weighted-average number of common shares outstanding:
Basic		286,114			284,672
Diluted		292,689			290,736

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

4

NABORS INDUSTRIES LTD. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

	Three Months Ended March 31,
	2011			2010
	(In thousands)
Cash flows from operating activities:
Net income (loss) attributable to Nabors	$	82,825		$	40,200
Adjustments to net income (loss):
Depreciation and amortization		226,071			172,274
Depletion and other exploratory expenses		16,265			6,755
Deferred income tax expense (benefit)		20,925			(2,701	)
Deferred financing costs amortization		1,586			1,337
Pension liability amortization and adjustments		150			100
Discount amortization on long-term debt		17,515			19,500
Amortization of loss on hedges		231			145
Losses (gains) on long-lived assets, net		1,084			3,108
Losses (gains) on investments, net		(11,082	)		3,110
Losses (gains) on debt retirement, net		58			2,804
Losses (gains) on derivative instruments		83			770
Share-based compensation		3,945			3,461
Foreign currency transaction losses (gains), net		(409	)		9,276
Equity in (earnings) losses of unconsolidated affiliates, net of dividends		(13,776	)		(3,661	)
Changes in operating assets and liabilities:
Accounts receivable		(121,572	)		(8,568	)
Inventory		(35,220	)		1,929
Other current assets		4,554			14,899
Other long-term assets		47,665			(1,080	)
Trade accounts payable and accrued liabilities		44,075			(43,266	)
Income taxes payable		1,096			(1,383	)
Other long-term liabilities		4,855			4,138
Net cash provided by operating activities		290,924			223,147
Cash flows from investing activities:
Purchases of investments		(5,870	)		(4,384	)
Sales and maturities of investments		3,529			12,509
Investment in unconsolidated affiliates		(19,000	)		(995	)
Capital expenditures		(358,574	)		(150,740	)
Proceeds from sales of assets and insurance claims		5,491			8,682
Net cash used for investing activities		(374,424	)		(134,928	)
Cash flows from financing activities:
Increase (decrease) in cash overdrafts		7,565			(3,337	)
Proceeds from issuance of common shares		9,424			2,818
Reduction in long-term debt		(5,560	)		(106,831	)
Repurchase of equity component of convertible debt		(14	)		(2,611	)
Settlement of call options and warrants, net		—			400
Purchase of restricted stock		(2,340	)		(1,866	)
Tax benefit related to share-based awards		(1	)		(67	)
Net cash provided by (used for) financing activities		9,074			(111,494	)
Effect of exchange rate changes on cash and cash equivalents		2,460			(1,931	)
Net (decrease) increase in cash and cash equivalents		(71,966	)		(25,206	)
Cash and cash equivalents, beginning of period		641,702			927,815
Cash and cash equivalents, end of period	$	569,736		$	902,609

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

5

NABORS INDUSTRIES LTD. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY

(Unaudited)

											Accumulated
								Capital in			Other								Non-
				Common Shares				Excess of			Comprehensive			Retained		Treasury			controlling			Total
(In thousands)				Shares		Par Value		Par Value			Income			Earnings		Shares			Interest			Equity
Balances, December 31, 2010					315,034	$	315	$	2,255,787		$	342,052		$	3,707,881	$	(977,873	)	$	14,701		$	5,342,863
Comprehensive income (loss):
Net income (loss) attributable to Nabors	$	82,825													82,825								82,825
Translation adjustment attributable to Nabors		31,439										31,439											31,439
Unrealized gains/(losses) on marketable securities, net of income benefit of $64		6,245										6,245											6,245
Less: Reclassification adjustment for (gains)/losses included in net income (loss), net of income tax benefit of $0		(3	)									(3	)										(3	)
Pension liability amortization, net of income taxes of $59		92										92											92
Unrealized gains/(losses) and amortization of (gains)/losses on cash flow hedges, net of income tax benefit of $60		131										131											131
Comprehensive income (loss) attributable to Nabors	$	120,729
Net income (loss) attributable to noncontrolling interest		(669	)																	(669	)		(669	)
Translation adjustment attributable to noncontrolling interest		357																		357			357
Comprehensive income (loss) attributable to noncontrolling interest		(312	)
Total comprehensive income (loss)	$	120,417
Issuance of common shares for stock options exercised, net of surrender of unexercised stock options					750		1		9,423														9,424
Distributions from noncontrolling interest
Repurchase of equity component of convertible debt									(14	)													(14	)
Tax benefit related to share-based awards									(1	)													(1	)
Restricted stock awards, net					651				(2,340	)													(2,340	)
Share-based compensation									3,945														3,945
Balances, March 31, 2011					316,435	$	316	$	2,266,800		$	379,956		$	3,790,706	$	(977,873	)	$	14,389		$	5,474,294

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

6

NABORS INDUSTRIES LTD. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY

(Unaudited)

											Accumulated
								Capital in			Other								Non-
				Common Shares				Excess of			Comprehensive			Retained		Treasury			controlling			Total
(In thousands)				Shares		Par Value		Par Value			Income			Earnings		Shares			Interest			Equity
Balances, December 31, 2009					313,915	$	314	$	2,239,323		$	292,706		$	3,613,186	$	(977,873	)	$	14,323		$	5,181,979
Comprehensive income (loss):
Net income (loss) attributable to Nabors	$	40,200													40,200								40,200
Translation adjustment attributable to Nabors		35,576										35,576											35,576
Unrealized gains/(losses) on marketable securities, net of income taxes of $7,587		45										45											45
Less: Reclassification adjustment for (gains)/losses included in net income (loss), net of income taxes of $5		(688	)									(688	)										(688	)
Pension liability amortization, net of income taxes of $37		63										63											63
Unrealized gains/(losses) and amortization of (gains)/losses on cash flow hedges, net of income tax benefit of $4		44										44											44
Comprehensive income (loss) attributable to Nabors	$	75,240
Net income (loss) attributable to noncontrolling interest		(1,102	)																	(1,102	)		(1,102	)
Translation adjustment attributable to noncontrolling interest		431																		431			431
Comprehensive income (loss) attributable to noncontrolling interest		(671	)
Total comprehensive income (loss)	$	74,569
Issuance of common shares for stock options exercised, net of surrender of unexercised stock options					201				2,818														2,818
Repurchase of equity component of convertible debt									(2,611	)													(2,611	)
Settlement of call options and warrants, net									400														400
Tax benefit related to share-based awards									(67	)													(67	)
Restricted stock awards, net					313				(1,866	)													(1,866	)
Share-based compensation									3,461														3,461
Balances, March 31, 2010					314,429	$	314	$	2,241,458		$	327,746		$	3,653,386	$	(977,873	)	$	13,652		$	5,258,683

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

7

Nabors Industries Ltd. and Subsidiaries

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Note 1   Nature of Operations

Nabors is the largest land drilling contractor in the world and one of the largest land well-servicing and workover contractors in the United States and Canada:

•  We actively market approximately 551 land drilling rigs for oil and gas land drilling operations in the U.S. Lower 48 states, Alaska, Canada, South America, Mexico, the Caribbean, the Middle East, the Far East, Russia and Africa.

•  We actively market approximately 578 rigs for land well-servicing and workover work in the United States and approximately 172 rigs for land workover and well-servicing work in Canada.

We are also a leading provider of offshore platform workover and drilling rigs, and actively market 38 platform, 13 jackup and three barge rigs in the United States, including the Gulf of Mexico, and multiple international markets.

In addition to the foregoing services:

•  We offer a wide range of ancillary well-site services, including hydraulic fracturing, engineering, transportation and disposal, construction, maintenance, well logging, directional drilling, rig instrumentation, data collection and other support services in select United States and international markets.

•  We manufacture and lease or sell top drives for a broad range of drilling applications, directional drilling systems, rig instrumentation and data collection equipment, pipeline handling equipment and rig reporting software.

•  We invest in oil and gas exploration, development and production activities in the United States, Canada and Colombia through both our wholly owned subsidiaries and our oil and gas joint ventures in which we hold 49-50% ownership interests.

•  We have a 51% ownership interest in a joint venture in Saudi Arabia, which owns and actively markets eight rigs in addition to the rigs we lease to the joint venture.

•  We also provide logistics services for onshore drilling in Canada using helicopters and fixed-wing aircraft.

The majority of our business is conducted through our various Contract Drilling operating segments, which include our drilling, well-servicing, fluid logistics and workover operations, on land and offshore. Our oil and gas exploration, development and production operations are included in our Oil and Gas operating segment. Our operating segments engaged in drilling technology and top drive manufacturing, directional drilling, rig instrumentation and software, and construction and logistics operations are aggregated in our Other Operating Segments.

On September 10, 2010, we acquired Superior Well Services, Inc. (“Superior”). Superior provides a wide range of wellsite solutions to oil and natural gas companies, consisting primarily of technical pumping services, including hydraulic fracturing, a process sometimes used in the completion of oil and gas wells whereby water, sand and chemicals are injected under pressure into subsurface formations to stimulate gas and, to a lesser extent, oil production, and downhole surveying services. The effects of the Superior acquisition and the operating results of Superior are included in the accompanying unaudited consolidated financial statements beginning on the acquisition date, and are reflected in the operating segment titled “Pressure Pumping.”

Unless the context requires otherwise, references in this report to “we,” “us,” “our,” or “Nabors” mean Nabors Industries Ltd., together with our subsidiaries where the context requires, including Nabors Industries, Inc., a Delaware corporation (“Nabors Delaware”).

8

Nabors Industries Ltd. and Subsidiaries

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Note 2   Summary of Significant Accounting Policies

Interim Financial Information

The unaudited consolidated financial statements of Nabors are prepared in conformity with accounting principles generally accepted in the United States (“GAAP”). Certain reclassifications have been made to the prior period to conform to the current-period presentation, with no effect on our consolidated financial position, results of operations or cash flows. Pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”), certain information and footnote disclosures normally included in annual financial statements prepared in accordance with GAAP have been omitted. Therefore, these financial statements should be read along with our annual report on Form 10-K for the year ended December 31, 2010 (“2010 Annual Report”). In management’s opinion, the consolidated financial statements contain all adjustments necessary to present fairly our financial position as of March 31, 2011 and the results of our operations, cash flows and changes in equity for the three months ended March 31, 2011 and 2010, in accordance with GAAP. Interim results for the three months ended March 31, 2011 may not be indicative of results that will be realized for the full year ending December 31, 2011.

Our independent registered public accounting firm has reviewed and issued a report on these consolidated interim financial statements in accordance with standards established by the Public Company Accounting Oversight Board. Pursuant to Rule 436(c) under the Securities Act of 1933, this report should not be considered a part of any registration statement prepared or certified within the meanings of Sections 7 and 11 of such Act.

Principles of Consolidation

Our consolidated financial statements include the accounts of Nabors, as well as all majority owned and non-majority owned subsidiaries required to be consolidated under GAAP. Our consolidated financial statements exclude majority owned entities for which we do not have either (i) the ability to control the operating and financial decisions and policies of that entity or (ii) a controlling financial interest in a variable interest entity. All significant intercompany accounts and transactions are eliminated in consolidation.

Investments in operating entities where we have the ability to exert significant influence, but where we do not control operating and financial policies, are accounted for using the equity method. Our share of the net income (loss) of these entities is recorded as earnings (losses) from unconsolidated affiliates in our consolidated statements of income (loss), and our investment in these entities is included as a single amount in our consolidated balance sheets. Investments in unconsolidated affiliates accounted for using the equity method totaled $298.5 million and $265.8 million and investments in unconsolidated affiliates accounted for using the cost method totaled $1.9 million as of each of March 31, 2011 and December 31, 2010. At March 31, 2011 and December 31, 2010, assets held for sale included investments in unconsolidated affiliates accounted for using the equity method totaling $74.0 million and $79.5 million, respectively. See Note 12 — Discontinued Operations for additional information.

Similarly, we have investments in offshore funds, which are classified as long-term investments and are accounted for using the equity method of accounting based on our ownership interest in each fund.

9

Nabors Industries Ltd. and Subsidiaries

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Note 3   Cash and Cash Equivalents and Investments

Our cash and cash equivalents, short-term and long-term investments and other receivables consisted of the following:

	March 31,		December 31,
	2011		2010
	(In thousands)
Cash and cash equivalents	$	569,736	$	641,702
Short-term investments:
Trading equity securities		16,379		19,630
Available-for-sale equity securities		83,702		79,698
Available-for-sale debt securities		60,490		60,160
Total short-term investments		160,571		159,488
Long-term investments and other receivables		43,744		40,300
Total	$	774,051	$	841,490

Certain information related to our cash and cash equivalents and short-term investments follows:

	March 31, 2011							December 31, 2010
			Gross		Gross					Gross		Gross
			Unrealized		Unrealized					Unrealized		Unrealized
	Fair		Holding		Holding			Fair		Holding		Holding
	Value		Gains		Losses			Value		Gains		Losses
	(In thousands)
Cash and cash equivalents	$	569,736	$	—	$	—		$	641,702	$	—	$	—
Short-term investments:
Trading equity securities		16,379		10,655		—			19,630		13,906		—
Available-for-sale equity securities		83,702		39,941		(35	)		79,698		38,176		(2,274	)
Available-for-sale debt securities:
Commercial paper and CDs		1,173		—		—			1,275		—		—
Corporate debt securities		52,856		17,556		—			52,022		15,274		(18	)
Mortgage-backed debt securities		371		17		—			372		16		—
Mortgage-CMO debt securities		2,792		18		(119	)		3,015		21		(6	)
Asset-backed debt securities		3,298		—		(151	)		3,476		—		(268	)
Total available-for-sale debt securities		60,490		17,591		(270	)		60,160		15,311		(292	)
Total available-for-sale securities		144,192		57,532		(305	)		139,858		53,487		(2,566	)
Total short-term investments		160,571		68,187		(305	)		159,488		67,393		(2,566	)
Total cash, cash equivalents and short-term investments	$	730,307	$	68,187	$	(305	)	$	801,190	$	67,393	$	(2,566	)

10

Nabors Industries Ltd. and Subsidiaries

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Certain information related to the gross unrealized losses of our cash and cash equivalents and short-term investments follows:

	As of March 31, 2011
	Less Than 12 Months				More Than 12 Months
			Gross				Gross
			Unrealized				Unrealized
	Fair Value		Loss		Fair Value		Loss
			(In thousands)
Available-for-sale equity securities	$	—	$	—	$	1,049	$	35
Available-for-sale debt securities:(1)
Corporate debt securities		—		—		—		—
Mortgage-CMO debt securities		2,255		114		135		5
Asset-backed debt securities		—		—		3,298		151
Total available-for-sale debt securities		2,255		114		3,433		156
Total	$	2,255	$	114	$	4,482	$	191

(1) Our unrealized losses on available-for-sale debt securities held for more than one year are comprised of various types of securities. Each of these securities have a rating ranging from “A” to “AAA” from Standard & Poor’s and ranging from “A2” to “Aaa” from Moody’s Investors Service and is considered of high credit quality. In each case, we do not intend to sell these investments, and it is less likely than not that we will be required to sell them to satisfy our own cash flow and working capital requirements. We believe that we will be able to collect all amounts due according to the contractual terms of each investment and, therefore, do not consider the decline in value of these investments to be other-than-temporary at March 31, 2011.

The estimated fair values of our corporate, mortgage-backed, mortgage-CMO and asset-backed debt securities at March 31, 2011, classified by time to contractual maturity, are shown below. Expected maturities differ from contractual maturities because the issuers of the securities may have the right to repay obligations without prepayment penalties and we may elect to sell the securities prior to the contractual maturity date.

	Estimated
	Fair Value
	March 31, 2011
	(In thousands)
Debt securities:
Due in one year or less	$	1,173
Due after one year through five years		—
Due in more than five years		59,317
Total debt securities	$	60,490

Certain information regarding our debt and equity securities is presented below:

	Three Months Ended
	March 31,
	2011			2010
	(In thousands)
Available-for-sale:
Proceeds from sales and maturities	$	503		$	5,496
Realized gains (losses), net		(3,248	)		692

11

Nabors Industries Ltd. and Subsidiaries

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Note 4   Fair Value Measurements

The following table sets forth, by level within the fair value hierarchy, our financial assets and liabilities that are accounted for at fair value on a recurring basis as of March 31, 2011. Our debt securities could transfer into or out of a Level 1 or 2 measure depending on the availability of independent and current pricing at the end of each quarter. During the three months ended March 31, 2011, there were no transfers of our financial assets and liabilities between Level 1 and 2 measures. Our financial assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement.

Recurring Fair Value Measurements

	Fair Value as of March 31, 2011
	Level 1		Level 2		Level 3		Total
			(In thousands)
Assets:
Short-term investments:
Available-for-sale equity securities — energy industry	$	83,702	$	—	$	—	$	83,702
Available-for-sale debt securities
Commercial paper and CDs		1,173		—		—		1,173
Corporate debt securities		—		52,856		—		52,856
Mortgage-backed debt securities		—		371		—		371
Mortgage-CMO debt securities		—		2,792		—		2,792
Asset-backed debt securities		3,298		—		—		3,298
Trading securities — energy industry		16,379		—		—		16,379
Total short-term investments	$	104,552	$	56,019	$	—	$	160,571
Liabilities:
Derivative contract	$	—	$	2,929	$	—	$	2,929

Nonrecurring Fair Value Measurements

Fair value measurements were applied with respect to our nonfinancial assets and liabilities measured on a nonrecurring basis, which consists primarily of goodwill, oil and gas financing receivables, intangible assets and other long-lived assets, assets acquired and liabilities assumed in a business combination, and asset retirement obligations.

Fair Value of Financial Instruments

The fair value of our financial instruments has been estimated in accordance with GAAP. The fair value of our fixed rate long-term debt and subsidiary preferred stock is estimated based on quoted market prices or

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prices quoted from third-party financial institutions. The carrying and fair values of these liabilities were as follows:

	March 31, 2011				December 31, 2010
	Carrying Value		Fair Value		Carrying Value		Fair Value
			(In thousands)
0.94% senior exchangeable notes due May 2011	$	1,390,325	$	1,387,967	$	1,378,178	$	1,403,315
6.15% senior notes due February 2018		966,579		1,076,985		966,276		1,041,008
9.25% senior notes due January 2019		1,125,000		1,414,856		1,125,000		1,393,943
5.00% senior notes due September 2020		697,114		694,799		697,037		678,335
5.375% senior notes due August 2012(1)		274,134		288,750		273,977		291,500
Subsidiary preferred stock		69,188		68,625		69,188		68,625
Other		2,107		2,107		2,676		2,676
	$	4,524,447	$	4,934,089	$	4,512,332	$	4,879,402

(1) Includes $.6 million and $.7 million as of March 31, 2011 and December 31, 2010, respectively, related to the unamortized loss on an interest rate swap that was unwound during the fourth quarter of 2005.

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.

As of March 31, 2011, our short-term investments were carried at fair market value and included $144.2 million and $16.4 million in securities classified as available-for-sale and trading, respectively. As of December 31, 2010, our short-term investments were carried at fair market value and included $139.9 million and $19.6 million in securities classified as available-for-sale and trading, respectively. The carrying values of our long-term investments that are accounted for using the equity method of accounting approximate fair value. The fair value of these long-term investments totaled $7.3 million and $7.4 million as of March 31, 2011 and December 31, 2010, respectively. The carrying value of our oil and gas financing receivables included in long-term investments approximate fair value. The carrying value of our oil and gas financing receivables totaled $36.4 million and $32.9 million as of March 31, 2011 and December 31, 2010, respectively. Income and gains associated with our oil and gas financing receivables are recognized as operating revenues.

Note 5   Share-Based Compensation

We have several share-based employee compensation plans, which are more fully described in Note 6 Share-Based Compensation to the audited financial statements included in our 2010 Annual Report.

Total share-based compensation expense, which includes both stock options and restricted stock, totaled $3.9 million and $3.5 million for the three months ended March 31, 2011 and 2010, respectively, and is included in direct costs and general and administrative expenses in our consolidated statements of income (loss). Share-based compensation expense has been allocated to our various operating segments. See Note 13 — Segment Information.

During the three months ended March 31, 2011 and 2010, we awarded 782,708 and 390,998 shares of restricted stock, respectively, vesting over periods up to four years, to our employees and directors. These awards had an aggregate value at their grant date of $21.2 million and $9.0 million, respectively. The fair value of restricted stock that vested during the three months ended March 31, 2011 and 2010 was $12.4 million and $15.4 million, respectively.

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The total intrinsic value of stock options exercised during the three months ended March 31, 2011 and 2010 was $11.3 million and $1.3 million, respectively. The total fair value of stock options that vested during the three months ended March 31, 2011 and 2010 was $5.1 million and $5.4 million, respectively.

Note 6   Investments in Unconsolidated Affiliates

We have several unconsolidated affiliates that are integral to our operations. For a full description, refer to Note 9 — Investments in Unconsolidated Affiliates in our 2010 Annual Report.

As of March 31, 2011 and December 31, 2010, our investments in unconsolidated affiliates accounted for using the equity method totaled $298.5 million and $265.8 million, respectively, and our investments in unconsolidated affiliates accounted for using the cost method totaled $1.9 million and $1.9 million, respectively. Assets held for sale include investments in unconsolidated affiliates accounted for using the equity method totaling $74.0 and $79.5 million, respectively, at March 31, 2011 and December 31, 2010.

Our unconsolidated U.S. oil and gas joint venture is a significant subsidiary. Accordingly, summarized income statement information for this joint venture follows:

	Three Months Ended
	March 31,
	2011		2010
	(In thousands)
Gross revenues	$	82,203	$	39,671
Gross margin		69,814		33,804
Net income (loss)		30,473		13,507
Nabors’ earnings (losses) from our U.S. oil and gas joint venture		15,160		6,709

Note 7   Debt

Long-term debt consists of the following:

	March 31,		December 31,
	2011		2010
	(In thousands)
0.94% senior exchangeable notes due May 2011	$	1,390,325	$	1,378,178
6.15% senior notes due February 2018		966,579		966,276
9.25% senior notes due January 2019		1,125,000		1,125,000
5.00% senior notes due September 2020		697,114		697,037
5.375% senior notes due August 2012		274,134		273,977
Other		2,107		2,676
		4,455,259		4,443,144
Less: current portion		1,391,224		1,379,018
	$	3,064,035	$	3,064,126

Senior Exchangeable Notes Due May 2011

As of March 31, 2011, the current portion of our long-term debt included $1.4 billion par value of Nabors Delaware’s 0.94% senior exchangeable notes that will mature on May 15, 2011. We intend to use a portion of the $1.35 billion currently available to us under various revolving credit facilities to supplement cash on hand for purposes of meeting this obligation.

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Revolving Credit Facilities

As of March 31, 2011, Nabors Delaware had $750 million available under a senior unsecured revolving credit facility. We have the option to increase the aggregate principal amount of commitments to $850 million by adding new lenders to this facility or by requesting existing lenders under this facility to increase their commitments (in each case with the consent of the new lenders or the increasing lenders). Additionally, one of our subsidiaries had $50 million available under a separate credit facility. We fully and unconditionally guarantee the obligations under both of these credit facilities.

On April 20, 2011, we and Nabors Delaware entered into a new senior unsecured revolving credit facility under which the lenders committed to provide to Nabors Delaware up to $550 million (the “New Facility”). The New Facility also provides Nabors Delaware the option to increase the aggregate principal amount of commitments to $700 million by adding new lenders to this facility or by requesting existing lenders under this facility to increase their commitments (in each case with the consent of the new lenders or the increasing lenders). We fully and unconditionally guarantee the obligations under the New Facility, which matures in September 2014.

Borrowings under this New Facility will bear interest, at Nabors Delaware’s option, at either (x) the “Base Rate” (as defined below) plus the applicable interest margin, calculated on the basis of the actual number of days elapsed in a year of 365 days and payable quarterly in arrears or (y) interest periods of one, two, three or six months at an annual rate equal to the LIBOR for the corresponding deposits of U.S. dollars, plus the applicable interest margin. The “Base Rate” is defined, for any day, as a fluctuating rate per annum equal to the highest of (i) the Federal Funds Rate, as published by the Federal Reserve Bank of New York, plus 1/2 of 1%, (ii) the prime commercial lending rate of Citibank, N.A., as established from time to time and (iii) LIBOR for an interest period of one month beginning on such day plus 1%.

Collectively, our borrowing capacity under these three revolving credit facilities is $1.35 billion.

Short-Term Borrowings

We had seven letter-of-credit facilities with various banks as of March 31, 2011. Availability and borrowings under our letter-of-credit facilities are as follows:

	March 31,
	2011
	(In thousands)
Credit available	$	246,789
Letters of credit outstanding, inclusive of financial and performance guarantees		83,946
Remaining availability	$	162,843

Note 8   Common Shares

During the three months ended March 31, 2011 and 2010, our employees exercised vested options to acquire .8 million and .2 million of our common shares, resulting in proceeds of $9.4 million and $2.8 million, respectively. For each of the three months ended March 31, 2011 and 2010, we withheld .1 million of our common shares with a fair value of $2.3 million and $1.9 million, respectively, to satisfy tax withholding obligations in connection with the vesting of stock awards.

During the three months ended March 31, 2010, our outstanding share count increased by 103,925 due to share settlements of stock options exercised by our Chairman and Chief Executive Officer, Eugene M. Isenberg, and our Deputy Chairman, President and Chief Operating Officer, Anthony G. Petrello. As part of

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these transactions, unexercised vested stock options were surrendered to Nabors with a value of approximately $5.9 million to satisfy the option exercise price and related income taxes.

Note 9   Commitments and Contingencies

Commitments

Employment Contracts

The employment agreements for each of Messrs. Isenberg and Petrello provide for an extension of the employment term through March 30, 2013, with automatic one-year extensions beginning April 1, 2011, unless either party gives notice of nonrenewal.

•  In the event of Mr. Isenberg’s Termination Without Cause (including in the event of a change of control), or his death or disability, either he or his estate would be entitled to receive a payment of $100 million within 30 days thereafter.

•  If Mr. Petrello experienced such a triggering event, he or his estate would be entitled to receive within 30 days thereafter a payment of $50 million; provided that in the event of Termination Without Cause or Constructive Termination Without Cause, a payment equal to three times the average of his base salary and annual bonus (calculated as though the bonus formula under his employment agreement as amended in April 2009 had been in effect) during the three fiscal years preceding the termination. If, by way of example, Mr. Petrello were Terminated Without Cause subsequent to March 31, 2011, his payment would be approximately $34 million. The formula will be further reduced to two times the average stated above effective April 1, 2015.

We do not have insurance to cover, and we have not recorded an expense or accrued a liability relating to, these potential obligations. See Note 17 Commitments and Contingencies to our 2010 Annual Report for additional discussion and description of Messrs. Isenberg and Petrello’s employment agreements.

Contingencies

Income Tax Contingencies

We are subject to income taxes in the United States and numerous other jurisdictions. Significant judgment is required in determining our worldwide provision for income taxes. In the ordinary course of our business, there are many transactions and calculations where the ultimate tax determination is uncertain. We are regularly audited by tax authorities. Although we believe our tax estimates are reasonable, the final determination of tax audits and any related litigation could be materially different than what is reflected in income tax provisions and accruals. An audit or litigation could materially affect our financial position, income tax provision, net income, or cash flows in the period or periods challenged.

It is possible that future changes to tax laws (including tax treaties) could impact our ability to realize the tax savings recorded to date as well as future tax savings, resulting from our 2002 corporate reorganization. See Note 12 — Income Taxes to our 2010 Annual Report for additional discussion.

On September 14, 2006, Nabors Drilling International Limited, one of our wholly owned Bermuda subsidiaries (“NDIL”), received a Notice of Assessment (the “Notice”) from Mexico’s federal tax authorities in connection with the audit of NDIL’s Mexico branch for 2003. The Notice proposes to deny depreciation expense deductions relating to drilling rigs operating in Mexico in 2003. The Notice also proposes to deny a deduction for payments made to an affiliated company for the procurement of labor services in Mexico. The amount assessed was approximately $19.8 million (including interest and penalties). Nabors and its tax advisors previously concluded that the deductions were appropriate and more recently that the government’s position lacks merit. NDIL’s Mexico branch took similar deductions for depreciation and labor expenses from

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2004 to 2008. On June 30, 2009, the government proposed similar assessments against the Mexico branch of another wholly owned Bermuda subsidiary, Nabors Drilling International II Ltd. (“NDIL II”) for 2006. We anticipate that a similar assessment will eventually be proposed against NDIL for 2004 through 2008 and against NDIL II for 2007 to 2010. We believe that the potential assessments will range from $6 million to $26 million per year for the period from 2004 to 2009, and in the aggregate, would be approximately $90 million to $95 million. Although we believe that any assessments related to the 2004 to 2010 years lack merit, a reserve has been recorded in accordance with GAAP. The statute of limitations for NDIL’s 2004 tax year recently expired. Accordingly, during the fourth quarter of 2010, we released $7.4 million from our tax reserves, which represented the reserve recorded for that tax year. If these additional assessments were made and we ultimately did not prevail, we would be required to recognize additional tax for the amount in excess of the current reserve.

Self-Insurance

We estimate the level of our liability related to insurance and record reserves for these amounts in our consolidated financial statements. Our estimates are based on the facts and circumstances specific to existing claims and our past experience with similar claims. These loss estimates and accruals recorded in our financial statements for claims have historically been reasonable in light of the actual amount of claims paid. Although we believe our insurance coverage and reserve estimates are reasonable, a significant accident or other event that is not fully covered by insurance or contractual indemnity could occur and could materially affect our financial position and results of operations for a particular period.

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 reasonably 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. 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.

On July 5, 2007, we received an inquiry from the U.S. Department of Justice relating to its investigation of one of our vendors and compliance with the Foreign Corrupt Practices Act. The inquiry relates to transactions with and involving Panalpina, which provided freight forwarding and customs clearance services to some of our affiliates. To date, the inquiry has focused on transactions in Kazakhstan, Saudi Arabia, Algeria and Nigeria. The Audit Committee of our Board of Directors has engaged outside counsel to review some of our transactions with this vendor, has received periodic updates at its regularly scheduled meetings, and the Chairman of the Audit Committee has received updates between meetings as circumstances warrant. The investigation includes a review of certain amounts paid to and by Panalpina in connection with obtaining permits for the temporary importation of equipment and clearance of goods and materials through customs. Both the SEC and the Department of Justice have been advised of our investigation. The ultimate outcome of this investigation or the effect of implementing any further measures that may be necessary to ensure full compliance with applicable laws cannot be determined at this time.

A court in Algeria entered a judgment of approximately $19.7 million against us related to alleged customs infractions in 2009. We believe we did not receive proper notice of the judicial proceedings, and that

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Nabors Industries Ltd. and Subsidiaries

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the amount of the judgment is excessive. We have asserted the lack of legally required notice as a basis for challenging the judgment on appeal to the Algeria Supreme Court. Based upon our understanding of applicable law and precedent, we believe that this challenge will be successful. We do not believe that a loss is probable and have not accrued any amounts related to this matter. However, the ultimate resolution and the timing thereof are uncertain. If we are ultimately required to pay a fine or judgment related to this matter, the amount of the loss could range from approximately $140,000 to $19.7 million.

In August 2010, Nabors and its wholly owned subsidiary, Diamond Acquisition Corp. (“Diamond”) were sued in three putative shareholder class actions. Two of the cases were dismissed. The remaining case pending, Jordan Denney, Individually and on Behalf of All Others Similarly Situated v. David E. Wallace, et al., Civil Action No. 10-1154, is pending in the United States District Court for the Western District of Pennsylvania. The suits were brought against Superior, the individual members of its board of directors, certain of Superior’s senior officers, Nabors and Diamond. The complaints alleged that Superior’s officers and directors violated various provisions of the Exchange Act and breached their fiduciary duties in connection with the Superior acquisition, and that Nabors and Diamond aided and abetted these violations. The complaints sought injunctive relief, including an injunction against the consummation of the Superior acquisition, monetary damages, and attorney’s fees and costs. The claim against Superior and its directors is covered by insurance after a deductible amount. We anticipate settling the claims in 2011, and that any settlement will be funded by Superior’s insurers to the extent it exceeds our deductible.

In March 2011, the Court of Ouargla (in Algeria), sitting at first instance, entered a judgment of approximately $39.9 million against NDIL 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 NDIL 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, and is not payable pending appeal. We have appealed the ruling based on our understanding that the law in question applies only to resident entities incorporated under Algerian law. Our payments were consistent with our historical operations and those of other multinational corporations there, and interpretations of the law by the Central Bank of Algeria. We do not believe that a loss is probable and have not accrued any amounts related to this matter. However, the timing and ultimate resolution are uncertain.

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 involve agreements and obligations under which we provide financial or performance assurance to third parties. Certain of these agreements 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.

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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
	Remainder
	of 2011		2012		2013		Thereafter		Total
	(In thousands)
Financial standby letters of credit and other financial surety instruments	$	262,875	$	44,075	$	30,271	$	14,313	$	351,534

Note 10   Earnings (Losses) Per Share

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

	Three Months Ended
	March 31,
	2011			2010
	(In thousands, except per share amounts)
Net income (loss) (numerator):
Income (loss) from continuing operations, net of tax	$	84,326		$	43,519
Less: net (income) loss attributable to noncontrolling interest		669			1,102
Income (loss) from continuing operations,net of tax — basic		84,995			44,621
Add: interest expense on assumed conversion of our 0.94% senior exchangeable notes due 2011, net of tax(1)		—			—
Adjusted net income (loss) from continuing operations, net of tax — diluted	$	84,995		$	44,621
Earnings (losses) per share:
Basic from continuing operations	$	.30		$	.16
Diluted from continuing operations	$	.29		$	.16
Income (loss) from discontinued operations, net of tax	$	(2,170	)	$	(4,421	)
Earnings (losses) per share:
Basic from discontinued operations	$	(.01	)	$	(.02	)
Diluted from discontinued operations	$	(.01	)	$	(.02	)
Shares (denominator):
Weighted-average number of shares outstanding — basic		286,114			284,672
Net effect of dilutive stock options, warrants and restricted stock awards based on the if-converted method		6,575			6,064
Assumed conversion of our 0.94% senior exchangeable notes due 2011(1)		—			—
Weighted-average number of shares outstanding — diluted		292,689			290,736

(1) Diluted earnings (losses) per share for the three months ended March 31, 2011 and 2010 exclude any incremental shares issuable upon exchange of the 0.94% senior exchangeable notes due 2011. As of March 31, 2011, we have purchased approximately $1.3 billion par value of these notes in the open market, leaving approximately $1.4 billion par value outstanding. The number of shares that we would be required to issue upon exchange consists of only the incremental shares that would be issued above the principal amount of the notes, as we are required to pay cash up to the principal amount of the notes

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exchanged. We would issue an incremental number of shares only upon exchange of these notes. Such shares are included in the calculation of the weighted-average number of shares outstanding in our diluted earnings per share calculation only when our stock price exceeds $45.83 as of the last trading day of the quarter and the average price of our shares for the ten consecutive trading days beginning on the third business day after the last trading day of the quarter exceeds $45.83, which did not occur during any period for the three months ended March 31, 2011 and 2010.

For all periods presented, the computation of diluted earnings (losses) per share excludes outstanding stock options and warrants with exercise prices greater than the average market price of our common shares, because their inclusion would be anti-dilutive and because they are not considered participating securities. The average number of options and warrants that were excluded from diluted earnings (losses) per share that would potentially dilute earnings per share in the future was 7,269,039 and 10,055,869 shares during the three months ended March 31, 2011 and 2010, respectively. In any period during which the average market price of our common shares exceeds the exercise prices of these stock options and warrants, such stock options and warrants will be included in our diluted earnings (losses) per share computation using the if-converted method of accounting. Restricted stock will be 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.

Note 11   Supplemental Balance Sheet, Income Statement and Cash Flow Information

Accrued liabilities include the following:

	March 31,		December 31,
	2011		2010
	(In thousands)
Accrued compensation	$	134,886	$	116,680
Deferred revenue		107,619		88,389
Other taxes payable		28,984		25,227
Workers’ compensation liabilities		21,489		31,944
Interest payable		38,822		89,276
Due to joint venture partners		6,041		6,030
Warranty accrual		3,384		3,376
Litigation reserves		16,690		12,301
Professional fees		6,287		3,222
Current deferred tax liability		—		1,027
Other accrued liabilities		12,513		16,820
	$	376,715	$	394,292

Investment income (loss) includes the following:

	Three Months Ended
	March 31,
	2011			2010
	(In thousands)
Interest and dividend income	$	1,832		$	1,234
Gains (losses) on marketable and non-marketable securities, net(1)		10,455	(2)		(3,791	)
	$	12,287		$	(2,557	)

(1) Includes unrealized losses of $3.2 million and $4.5 million, respectively, from our trading securities.

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(2) Includes $12.9 million realized gain related to one of our overseas fund investments classified as long-term investments, partially offset by unrealized losses discussed above.

Losses (gains) on sales and retirements of long-lived assets and other expense (income), net includes the following:

	Three Months Ended March 31,
	2011			2010
	(In thousands)
Losses (gains) on sales and retirements of long-lived assets	$	1,084		$	3,515
Litigation expenses		5,919			3,731
Foreign currency transaction losses (gains)		(535	)		9,332	(1)
Losses (gains) on derivative instruments		(511	)		169
Losses (gains) on debt extinguishment		58			2,804
Other losses (gains)		14			816
	$	6,029		$	20,367

(1) Included $8.2 million foreign currency exchange losses for operations in Venezuela related to the Venezuela government’s decision to devalue its currency in January 2010.

Note 12   Discontinued Operations

The operating results from our oil and gas assets in Canada and Colombia that we have classified as held for sale have been retroactively presented as discontinued operations in the accompanying unaudited consolidated statements of income (loss) and the respective accompanying notes to the consolidated financial statements. Our condensed statements of income (loss) from discontinued operations for the three months ended March 31, 2011 and 2010 were as follows:

	Three Months Ended March 31,
Condensed Statements of Income (Loss) from Discontinued Operations	2011			2010
	(In thousands)
Operating revenues and Earnings (losses) from unconsolidated affiliates	$	8,302		$	6,722
Income (loss) from discontinued operations
Income (loss) from discontinued operations	$	(2,898	)	$	(3,067	)
Less: income tax expense (benefit)		728			(1,354	)
Income (loss) from discontinued operations, net of tax	$	(2,170	)	$	(4,421	)

During 2011, we and Remora Energy International, LP, one of our joint ventures, have entered into agreements with unrelated parties to sell the majority of the assets in Colombia. Closings of these transactions are subject to customary closing conditions and are expected to occur during the second quarter of 2011. Our proportionate share of pre-tax gains on these transactions is expected to range from $150 to $200 million.

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Note 13   Segment Information

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

	Three Months Ended
	March 31,
	2011			2010
	(In thousands)
Operating revenues and earnings (losses) from unconsolidated affiliates from continuing operations:(1)
Contract Drilling:(2)
U.S. Lower 48 Land Drilling	$	378,568		$	271,497
U.S. Land Well-servicing		150,256			97,991
Pressure Pumping(3)		257,859			—
U.S. Offshore		30,454			38,198
Alaska		41,315			49,794
Canada		172,443			115,556
International		262,477			245,344
Subtotal Contract Drilling(4)		1,293,372			818,380
Oil and Gas(5)		20,128			10,602
Other Operating Segments(6)(7)		121,383			95,513
Other reconciling items(8)		(37,330	)		(25,507	)
Total	$	1,397,553		$	898,988
Adjusted income (loss) derived from operating activities from continuing operations:(1)(9)
Contract Drilling:
U.S. Lower 48 Land Drilling	$	80,095		$	60,286
U.S. Land Well-servicing		11,123			7,185
Pressure Pumping(3)		43,715			—
U.S. Offshore		(3,977	)		7,373
Alaska		11,019			13,957
Canada		38,992			14,882
International		35,497			53,579
Subtotal Contract Drilling(4)		216,464			157,262
Oil and Gas(5)		(770	)		2,619
Other Operating Segments(6)(7)		6,138			6,890
Other reconciling items(10)		(30,783	)		(24,969	)
Total adjusted income derived from operating activities	$	191,049		$	141,802
Interest expense		(73,924	)		(66,769	)
Investment income (loss)		12,287			(2,557	)
Gains (losses) on sales and retirements of long-lived assets and other income (expense), net		(6,029	)		(20,367	)
Income (loss) from continuing operations before income taxes		123,383			52,109
Income tax expense (benefit)		38,307			8,590
Subsidiary preferred stock dividend		(750	)		—
Income (loss) from continuing operations, net of tax		84,326			43,519
Income (loss) from discontinued operations, net of tax		(2,170	)		(4,421	)
Net income (loss)		82,156			39,098
Less: Net income (loss) attributable to noncontrolling interest		669			1,102
Net income (loss) attributable to Nabors	$	82,825		$	40,200

22

Nabors Industries Ltd. and Subsidiaries

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

	March 31,		December 31,
	2011		2010
	(In thousands)
Total assets:
Contract Drilling:(11)
U.S. Lower 48 Land Drilling	$	2,813,396	$	2,762,362
U.S. Land Well-servicing		708,911		630,518
Pressure Pumping(3)		1,134,282		1,163,236
U.S. Offshore		379,272		379,292
Alaska		301,251		313,123
Canada		1,140,759		1,065,268
International		3,304,662		3,279,763
Subtotal Contract Drilling		9,782,533		9,593,562
Oil and Gas(12)		896,643		805,410
Other Operating Segments(13)		569,401		539,373
Other reconciling items(10)(14)		641,831		708,224
Total assets	$	11,890,408	$	11,646,569

(1)	All information presents the operating activities of oil and gas assets in the Horn River basin in Canada and in the Llanos basin in Colombia as discontinued operations.
(2)	These segments include our drilling, workover and well-servicing and pressure pumping operations, on land and offshore.
(3)	Includes operating results of Superior for the three months ended March 31, 2011.
(4)	Includes earnings (losses), net from unconsolidated affiliates, accounted for using the equity method, of $.2 million and $.1 million for the three months ended March 31, 2011 and 2010, respectively.
(5)	Includes earnings (losses), net from unconsolidated affiliates, accounted for using the equity method, of $15.2 million and $4.5 million for the three months ended March 31, 2011 and 2010, respectively.
(6)	Includes our drilling technology and top drive manufacturing, directional drilling, rig instrumentation and software, and construction and logistics operations.
(7)	Includes earnings (losses), net from unconsolidated affiliates, accounted for using the equity method, of $.9 million and $3.0 million for the three months ended March 31, 2011 and 2010, respectively.
(8)	Represents the elimination of inter-segment transactions.
(9)	Adjusted income (loss) derived from operating activities is computed by subtracting direct costs, general and administrative expenses, depreciation and amortization, and depletion expense from Operating revenues and then adding Earnings (losses) from unconsolidated affiliates. Such amounts should not be used as a substitute for those amounts reported under GAAP. However, management evaluates the performance of our business units and the consolidated company based on several criteria, including adjusted income (loss) derived from operating activities, because it believes that these financial measures are an accurate reflection of our ongoing profitability. A reconciliation of this non-GAAP measure to income (loss) before income taxes, which is a GAAP measure, is provided within the above table.
(10)	Represents the elimination of inter-segment transactions and unallocated corporate expenses, assets and capital expenditures.
(11)	Includes $55.0 million and $54.8 million of investments in unconsolidated affiliates accounted for using the equity method as of March 31, 2011 and December 31, 2010, respectively.
(12)	Includes $178.1 million and $146.5 million investments in unconsolidated affiliates accounted for using the equity method as of March 31, 2011 and December 31, 2010, respectively.
(13)	Includes $65.4 million and $64.5 million of investments in unconsolidated affiliates accounted for using the equity method as of March 31, 2011 and December 31, 2010, respectively.

23

Nabors Industries Ltd. and Subsidiaries

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

(14) Includes $1.9 million of investments in unconsolidated affiliates accounted for using the cost method as of each of March 31, 2011 and December 31, 2010.

Note 14   Condensed Consolidating Financial Information

Nabors has fully and unconditionally guaranteed all of the issued public debt securities of Nabors Delaware. The following condensed consolidating 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.

The following condensed consolidating financial information presents condensed consolidating balance sheets as of March 31, 2011 and December 31, 2010, statements of income (loss) for the three months ended March 31, 2011 and 2010 and the consolidating statements of cash flows for the three months ended March 31, 2011 and 2010 of (a) Nabors, parent/guarantor, (b) Nabors Delaware, issuer of public debt securities guaranteed by Nabors, (c) the non-guarantor subsidiaries, (d) consolidating adjustments necessary to consolidate Nabors and its subsidiaries and (e) Nabors on a consolidated basis.

24

Nabors Industries Ltd. and Subsidiaries

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Condensed Consolidating Balance Sheets

	March 31, 2011
			Nabors		Other
	Nabors		Delaware		Subsidiaries
	(Parent/		(Issuer/		(Non-		Consolidating			Consolidated
	Guarantor)		Guarantor)		Guarantors)		Adjustments			Total
	(In thousands)
ASSETS
Current assets:
Cash and cash equivalents	$	6,443	$	20	$	563,273	$	—		$	569,736
Short-term investments		—		—		160,571		—			160,571
Assets held for sale		—		—		357,516		—			357,516
Accounts receivable, net		—		—		1,242,954		—			1,242,954
Inventory		—		—		195,230		—			195,230
Deferred income taxes		—		—		21,214		—			21,214
Other current assets		50		16,078		147,781		—			163,909
Total current assets		6,493		16,098		2,688,539		—			2,711,130
Long-term investments and other receivables		—		—		43,744		—			43,744
Property, plant and equipment, net		—		43,598		7,932,359		—			7,975,957
Goodwill		—		—		494,005		—			494,005
Intercompany receivables		164,618		—		322,697		(487,315	)		—
Investment in unconsolidated affiliates		5,290,981		5,874,287		1,721,104		(12,585,947	)		300,425
Other long-term assets		—		35,075		330,072		—			365,147
Total assets	$	5,462,092	$	5,969,058	$	13,532,520	$	(13,073,262	)	$	11,890,408
LIABILITIES AND EQUITY
Current liabilities:
Current portion of long-term debt	$	—	$	1,390,324	$	900	$	—		$	1,391,224
Trade accounts payable		15		—		433,680		—			433,695
Accrued liabilities		2,172		39,212		335,331		—			376,715
Income taxes payable		—		5,870		23,088		—			28,958
Total current liabilities		2,187		1,435,406		792,999		—			2,230,592
Long-term debt		—		3,062,827		1,208		—			3,064,035
Other long-term liabilities		—		39,927		222,629		—			262,556
Deferred income taxes		—		67,467		722,276		—			789,743
Intercompany payable		—		351,937		135,378		(487,315	)		—
Total liabilities		2,187		4,957,564		1,874,490		(487,315	)		6,346,926
Subsidiary preferred stock		—		—		69,188		—			69,188
Shareholders’ equity		5,459,905		1,011,494		11,574,453		(12,585,947	)		5,459,905
Noncontrolling interest		—		—		14,389		—			14,389
Total equity		5,459,905		1,011,494		11,588,842		(12,585,947	)		5,474,294
Total liabilities and equity	$	5,462,092	$	5,969,058	$	13,532,520	$	(13,073,262	)	$	11,890,408

25

Nabors Industries Ltd. and Subsidiaries

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

	December 31, 2010
			Nabors		Other
	Nabors		Delaware		Subsidiaries
	(Parent/		(Issuer/		(Non-		Consolidating			Consolidated
	Guarantor)		Guarantor)		Guarantors)		Adjustments			Total
	(In thousands)
ASSETS
Current assets:
Cash and cash equivalents	$	10,847	$	20	$	630,835	$	—		$	641,702
Short-term investments		—		—		159,488		—			159,488
Assets held for sale		—		—		352,048		—			352,048
Accounts receivable, net		—		—		1,116,510		—			1,116,510
Inventory		—		—		158,836		—			158,836
Deferred income taxes		—		—		31,510		—			31,510
Other current assets		50		16,366		136,420		—			152,836
Total current assets		10,897		16,386		2,585,647		—			2,612,930
Long-term investments and other receivables		—		—		40,300		—			40,300
Property, plant and equipment, net		—		44,270		7,771,149		—			7,815,419
Goodwill		—		—		494,372		—			494,372
Intercompany receivables		160,250		—		322,697		(482,947	)		—
Investment in unconsolidated affiliates		5,160,800		5,814,219		1,665,459		(12,372,755	)		267,723
Other long-term assets		—		36,538		379,287		—			415,825
Total assets	$	5,331,947	$	5,911,413	$	13,258,911	$	(12,855,702	)	$	11,646,569
LIABILITIES AND EQUITY
Current liabilities:
Current portion of long-term debt	$	—	$	1,378,178	$	840	$	—		$	1,379,018
Trade accounts payable		—		—		355,282		—			355,282
Accrued liabilities		3,785		89,480		301,027		—			394,292
Income taxes payable		—		6,859		18,929		—			25,788
Total current liabilities		3,785		1,474,517		676,078		—			2,154,380
Long-term debt		—		3,062,291		1,835		—			3,064,126
Other long-term liabilities		—		12,787		232,978		—			245,765
Deferred income taxes		—		71,815		698,432		—			770,247
Intercompany payable		—		301,451		181,496		(482,947	)		—
Total liabilities		3,785		4,922,861		1,790,819		(482,947	)		6,234,518
Subsidiary preferred stock		—		—		69,188		—			69,188
Shareholders’ equity		5,328,162		988,552		11,384,203		(12,372,755	)		5,328,162
Noncontrolling interest		—		—		14,701		—			14,701
Total equity		5,328,162		988,552		11,398,904		(12,372,755	)		5,342,863
Total liabilities and equity	$	5,331,947	$	5,911,413	$	13,258,911	$	(12,855,702	)	$	11,646,569

26

Nabors Industries Ltd. and Subsidiaries

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Condensed Consolidating Statements of Income (Loss)

	Three Months Ended March 31, 2011
			Nabors			Other
	Nabors		Delaware			Subsidiaries
	(Parent/		(Issuer/			(Non-			Consolidating			Consolidated
	Guarantor)		Guarantor)			Guarantors)			Adjustments			Total
	(In thousands)
Revenues and other income:
Operating revenues	$	—	$	—		$	1,381,279		$	—		$	1,381,279
Earnings (losses) from unconsolidated affiliates		—		—			16,274			—			16,274
Earnings (losses) from consolidated affiliates		85,792		59,893			29,660			(175,345	)		—
Investment income (loss)		3		—			12,284			—			12,287
Intercompany interest income		—		18,684			—			(18,684	)		—
Total revenues and other income		85,795		78,577			1,439,497			(194,029	)		1,409,840
Costs and other deductions:
Direct costs		—		—			858,371			—			858,371
General and administrative expenses		2,872		41			115,643			(98	)		118,458
Depreciation and amortization		—		871			225,231			—			226,102
Depletion		—		—			3,573			—			3,573
Interest expense		—		77,349			(3,425	)		—			73,924
Intercompany interest expense		—		—			18,684			(18,684	)		—
Losses (gains) on sales and retirements of long-lived assets and other expense (income), net		98		(464	)		6,297			98			6,029
Total costs and other deductions		2,970		77,797			1,224,374			(18,684	)		1,286,457
Income (loss) from continuing operations before income taxes		82,825		780			215,123			(175,345	)		123,383
Income tax expense (benefit)		—		(21,872	)		60,179			—			38,307
Subsidiary preferred stock dividend		—		—			750			—			750
Income (loss) from continuing operations, net of tax		82,825		22,652			154,194			(175,345	)		84,326
Income (loss) from discontinued operations, net of tax		—		—			(2,170	)		—			(2,170	)
Net income (loss)		82,825		22,652			152,024			(175,345	)		82,156
Less: Net (income) loss attributable to noncontrolling interest		—		—			669			—			669
Net income (loss) attributable to Nabors	$	82,825	$	22,652		$	152,693		$	(175,345	)	$	82,825

27

Nabors Industries Ltd. and Subsidiaries

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

	Three Months Ended March 31, 2010
				Nabors			Other
	Nabors			Delaware			Subsidiaries
	(Parent/			(Issuer/			(Non-			Consolidating			Consolidated
	Guarantor)			Guarantor)			Guarantors)			Adjustments			Total
	(In thousands)
Revenues and other income:
Operating revenues	$	—		$	—		$	891,346		$	—		$	891,346
Earnings (losses) from unconsolidated affiliates		—			—			7,642			—			7,642
Earnings (losses) from consolidated affiliates		33,946			17,776			(15,792	)		(35,930	)		—
Investment income (loss)		4			—			(2,561	)		—			(2,557	)
Intercompany interest income		—			18,115			—			(18,115	)		—
Total revenues and other income		33,950			35,891			880,635			(54,045	)		896,431
Costs and other deductions:
Direct costs		—			—			505,197			—			505,197
General and administrative expenses		2,210			71			73,235			(90	)		75,426
Depreciation and amortization		—			861			170,675			—			171,536
Depletion		—			—			5,027			—			5,027
Interest expense		—			70,199			(3,430	)		—			66,769
Intercompany interest expense		—			—			18,115			(18,115	)		—
Losses (gains) on sales and retirements of long-lived assets and other expense (income), net		(8,460	)		11,511			17,226			90			20,367
Total costs and other deductions		(6,250	)		82,642			786,045			(18,115	)		844,322
Income (loss) from continuing operations before income taxes		40,200			(46,751	)		94,590			(35,930	)		52,109
Income tax expense (benefit)		—			(23,875	)		32,465			—			8,590
Income (loss) from continuing operations, net of tax		40,200			(22,876	)		62,125			(35,930	)		43,519
Income (loss) from discontinued operations, net of tax		—			—			(4,421	)		—			(4,421	)
Net income (loss)		40,200			(22,876	)		57,704			(35,930	)		39,098
Less: Net (income) loss attributable to noncontrolling interest		—			—			1,102			—			1,102
Net income (loss) attributable to Nabors	$	40,200		$	(22,876	)	$	58,806		$	(35,930	)	$	40,200

28

Nabors Industries Ltd. and Subsidiaries

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Condensed Consolidating Statements of Cash Flows

	Three Months Ended March 31, 2011
				Nabors			Other
	Nabors			Delaware			Subsidiaries
	(Parent/			(Issuer/			(Non-			Consolidating			Consolidated
	Guarantor)			Guarantor)			Guarantors)			Adjustments			Total
	(In thousands)
Net cash provided by (used for) operating activities	$	(4,988	)	$	5,003		$	290,909		$	—		$	290,924
Cash flows from investing activities:
Purchases of investments		—			—			(5,870	)		—			(5,870	)
Sales and maturities of investments		—			—			3,529			—			3,529
Cash paid for acquisition of businesses, net		—			—			—			—			—
Investment in unconsolidated affiliates		—			—			(19,000	)		—			(19,000	)
Capital expenditures		—			—			(358,574	)		—			(358,574	)
Proceeds from sales of assets and insurance claims		—			—			5,491			—			5,491
Cash paid for investments in consolidated affiliates		(6,500	)		—			—			6,500			—
Net cash provided by (used for) investing activities		(6,500	)		—			(374,424	)		6,500			(374,424	)
Cash flows from financing activities:
Increase (decrease) in cash overdrafts		—			—			7,565			—			7,565
Proceeds from issuance of common shares		9,424			—			—			—			9,424
Reduction in long-term debt		—			(4,988	)		(572	)		—			(5,560	)
Repurchase of equity component of convertible debt		—			(14	)		—			—			(14	)
Purchase of restricted stock		(2,340	)		—			—			—			(2,340	)
Tax benefit related to share-based awards		—			(1	)					—			(1	)
Proceeds from parent contributions		—			—			6,500			(6,500	)		—
Net cash (used for) provided by financing activities		7,084			(5,003	)		13,493			(6,500	)		9,074
Effect of exchange rate changes on cash and cash equivalents		—			—			2,460			—			2,460
Net (decrease) increase in cash and cash equivalents		(4,404	)		—			(67,562	)		—			(71,966	)
Cash and cash equivalents, beginning of period		10,847			20			630,835			—			641,702
Cash and cash equivalents, end of period	$	6,443		$	20		$	563,273		$	—		$	569,736

29

Nabors Industries Ltd. and Subsidiaries

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

	Three Months Ended March 31, 2010
				Nabors			Other
	Nabors			Delaware			Subsidiaries
	(Parent/			(Issuer/			(Non-			Consolidating			Consolidated
	Guarantor)			Guarantor)			Guarantors)			Adjustments			Total
	(In thousands)
Net cash provided by (used for) operating activities	$	53,002		$	109,255		$	60,890		$	—		$	223,147
Cash flows from investing activities:
Purchases of investments		—			—			(4,384	)		—			(4,384	)
Sales and maturities of investments		—			—			12,509			—			12,509
Investment in unconsolidated affiliates		—			—			(995	)		—			(995	)
Capital expenditures		—			—			(150,740	)		—			(150,740	)
Proceeds from sales of assets and insurance claims		—			—			8,682			—			8,682
Cash paid for investments in consolidated affiliates		(64,000	)		—			—			64,000			—
Net cash provided by (used for) investing activities		(64,000	)		—			(134,928	)		64,000			(134,928	)
Cash flows from financing activities:
Increase (decrease) in cash overdrafts		—			—			(3,337	)		—			(3,337	)
Proceeds from issuance of common shares		2,818			—			—			—			2,818
Reduction in long-term debt		—			(106,759	)		(72	)		—			(106,831	)
Repurchase of equity component of convertible debt		—			(2,611	)		—			—			(2,611	)
Settlement of call options and warrants, net		—			400			—			—			400
Purchase of restricted stock		(1,866	)		—			—			—			(1,866	)
Tax benefit related to share-based awards		—			—			(67	)		—			(67	)
Proceeds from parent contributions		—			—			64,000			(64,000	)		—
Net cash (used for) provided by financing activities		952			(108,970	)		60,524			(64,000	)		(111,494	)
Effect of exchange rate changes on cash and cash equivalents		—			—			(1,931	)		—			(1,931	)
Net (decrease) increase in cash and cash equivalents		(10,046	)		285			(15,445	)		—			(25,206	)
Cash and cash equivalents, beginning of period		11,702			135			915,978			—			927,815
Cash and cash equivalents, end of period	$	1,656		$	420		$	900,533		$	—		$	902,609

30

Nabors Industries Ltd. and Subsidiaries

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Note 15   Subsequent Events

On April 20, 2011, we and Nabors Delaware entered into a new credit agreement under which the lenders committed to provide up to $550 million under an unsecured revolving credit facility. Refer to Note 7 Debt for additional information.

31

Report of Independent Registered Public Accounting Firm

To the Board of Directors and Shareholders

of Nabors Industries Ltd.:

We have reviewed the accompanying consolidated balance sheet of Nabors Industries Ltd. and its subsidiaries (the “Company”) as of March 31, 2011, and the related consolidated statements of income (loss) for the three-month periods ended March 31, 2011 and 2010, and the consolidated statements of cash flows and of changes in equity for the three-month periods ended March 31, 2011 and 2010. This interim financial information is the responsibility of the Company’s management.

We conducted our review in accordance with the standards of the Public Company Accounting Oversight Board (United States). A review of interim financial information consists principally of applying analytical procedures and making inquiries of persons responsible for financial and accounting matters. It is substantially less in scope than an audit conducted in accordance with the standards of the Public Company Accounting Oversight Board (United States), the objective of which is the expression of an opinion regarding the financial statements taken as a whole. Accordingly, we do not express such an opinion.

Based on our review, we are not aware of any material modifications that should be made to the accompanying consolidated interim financial information for it to be in conformity with accounting principles generally accepted in the United States of America.

We previously audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the consolidated balance sheet as of December 31, 2010, and the related consolidated statements of income, changes in equity and of cash flows for the year then ended (not presented herein), and in our report dated March 1, 2011, we expressed an unqualified opinion on those consolidated financial statements. In our opinion, the information set forth in the accompanying consolidated balance sheet information as of December 31, 2010, is fairly stated in all material respects in relation to the consolidated balance sheet from which it has been derived.

/s/  PricewaterhouseCoopers LLP

Houston, Texas

May 3, 2011

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

FORWARD-LOOKING STATEMENTS

We often discuss expectations regarding our future markets, demand for our products and services, and our performance in our annual and quarterly 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, 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:

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

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

•  fluctuations in the demand for our services;

•  the existence of competitors, technological changes and developments in the oilfield services industry;

•  the existence of operating risks inherent in the oilfield services industry;

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

•  the possibility of political instability, war or acts of terrorism in any of the countries where we operate; and

•  general economic conditions including the capital and credit markets.

Our businesses depend 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 natural gas or oil that has a material impact on exploration, development or 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 is designed to highlight what we believe are important factors to consider. For a more detailed description of risk factors, please refer to Part I, Item 1A. — Risk Factors in our 2010 Annual Report.

Unless the context requires otherwise, references in this report to “we,” “us,” “our,” or “Nabors” mean Nabors Industries Ltd., together with our subsidiaries where the context requires, including Nabors Industries, Inc., a Delaware corporation (“Nabors Delaware”).

Management Overview

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

The majority of our business is conducted through our various Contract Drilling operating segments, which include our drilling, well-servicing and workover operations and pressure pumping, on land and offshore. Our oil and gas exploration, development and production operations are included in our Oil and Gas operating segment. Our operating segments engaged in drilling technology and top drive manufacturing, directional drilling, rig instrumentation and software, and construction and logistics operations are aggregated in our Other Operating Segments.

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The magnitude of customer spending on new and existing wells is the primary driver of our business. The primary determinant of customer spending is their cash flow and earnings, which (i) in our U.S. Lower 48 Land Drilling and Canadian Drilling operations are largely driven by natural gas prices, and (ii) in our Alaskan, International, U.S. Offshore (Gulf of Mexico), Canadian Well-servicing and U.S. Land Well-servicing operations by oil prices. Both natural gas and oil prices impact our customers’ activity levels and spending for our Pressure Pumping operations. Oil and natural gas liquids prices are beginning to be more significant factors in some of the traditionally natural-gas-driven operating segments. The Henry Hub natural gas spot price (per Bloomberg) averaged $4.15 per thousand cubic feet (mcf) during the 12-month period ended March 31, 2011, slightly up from a $4.07 per mcf average during the prior 12 months. West Texas intermediate spot oil prices (per Bloomberg) averaged $83.33 per barrel for the 12 months ended March 31, 2011, up from a $70.62 per barrel average during the preceding 12 months.

Operating revenues and Earnings (losses) from unconsolidated affiliates for the three months ended March 31, 2011 totaled $1.4 billion, representing an increase of $498.6 million, or 55% as compared to the three months ended March 31, 2010. Adjusted income derived from operating activities and net income (loss) attributable to Nabors for the three months ended March 31, 2011 totaled $191.0 million and $82.8 million ($.28 per diluted share), respectively, representing increases of 35% and 106%, respectively, compared to the three months ended March 31, 2010.

During the three months ended March 31, 2011, operating results improved as compared to the prior year period primarily due to the incremental revenue and positive operating results from our Pressure Pumping operating segment and increased drilling activity in oil and the liquids-oil shale plays in our U.S. Lower 48 Land Drilling and Well-servicing operations. However, our operating results and activity levels continued to be negatively impacted in our U.S. Offshore operations in response to uncertainty in the regulatory environment in the Gulf of Mexico; our Alaskan operations due to key customers’ spending constraints; and in Saudi Arabia due to downtime and reduced rates on several jackup rigs.

Our U.S. Offshore operations were improving during the first half of 2010 until the Gulf of Mexico explosion and oil spill occurred mid-year, which resulted in temporary suspension of offshore drilling and further delays in our customers’ ability to obtain permits, which has limited the use of our assets. Specifically, operating results have been impacted because our customers have suspended most of their operations in the Gulf of Mexico, largely as a result of their inability to obtain government permits. Although the previously issued U.S. deepwater drilling moratorium has been lifted and some drilling permits have been issued in March 2011, it is uncertain whether our customers’ ability to obtain government permits will improve in the near term. Our Alaska operating segment has been negatively impacted because the largest operator in the area has curtailed and suspended drilling operations, creating a surplus of rigs in the market and causing price competition. We expect that these conditions will persist and continue to adversely impact our Alaska operating results through 2011. We expect our International results to remain flat in 2011 as the increase of land rig activity is expected to be essentially offset by significantly lower average dayrates on our jackup rigs.

Our operating results for 2011 are expected to increase significantly from levels realized during 2010, driven by an expectation of sustaining higher oil prices and the related impact on drilling and well-servicing activity and dayrates. The major factors that support our expectations of an improved year are:

•  An increase in drilling in oil- and liquids-rich areas incremental to traditional dry gas regions by our U.S. Lower 48 Land Drilling and Well-servicing operations,

•  An expected incremental increase from ancillary well-site services, primarily technical pumping services and down-hole surveying services, resulting from the Superior acquisition in the third quarter of 2010, and

•  The anticipated positive impact on our overall level of drilling and well-servicing activity and margins resulting from the new and upgraded rigs added to our fleet over the past five years, which we expect will enhance our competitive position as market conditions improve.

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

	Three Months Ended
	March 31,
	2011			2010			Increase (Decrease)
	(In thousands, except percentages and rig activity)
Reportable segments:
Operating revenues and Earnings (losses) from unconsolidated affiliates from continuing operations:(1)
Contract Drilling:(2)
U.S. Lower 48 Land Drilling	$	378,568		$	271,497		$	107,071		39	%
U.S. Land Well-servicing		150,256			97,991			52,265		53	%
Pressure Pumping(3)		257,859			—			257,859		100	%
U.S. Offshore		30,454			38,198			(7,744	)	(20	)%
Alaska		41,315			49,794			(8,479	)	(17	)%
Canada		172,443			115,556			56,887		49	%
International		262,477			245,344			17,133		7	%
Subtotal Contract Drilling(4)		1,293,372			818,380			474,992		58	%
Oil and Gas(5)		20,128			10,602			9,526		90	%
Other Operating Segments(6)(7)		121,383			95,513			25,870		27	%
Other reconciling items(8)		(37,330	)		(25,507	)		(11,823	)	(46	)%
Total	$	1,397,553		$	898,988		$	498,565		55	%
Adjusted income (loss) derived from operating activities from continuing operations:(1)(9)
Contract Drilling:
U.S. Lower 48 Land Drilling	$	80,095		$	60,286		$	19,809		33	%
U.S. Land Well-servicing		11,123			7,185			3,938		55	%
Pressure Pumping(3)		43,715			—			43,715		100	%
U.S. Offshore		(3,977	)		7,373			(11,350	)	(154	)%
Alaska		11,019			13,957			(2,938	)	(21	)%
Canada		38,992			14,882			24,110		162	%
International		35,497			53,579			(18,082	)	(34	)%
Subtotal Contract Drilling(4)		216,464			157,262			59,202		38	%
Oil and Gas(5)		(770	)		2,619			(3,389	)	(129	)%
Other Operating Segments(6)(7)		6,138			6,890			(752	)	(11	)%
Other reconciling items(10)		(30,783	)		(24,969	)		(5,814	)	(23	)%
Total	$	191,049		$	141,802		$	49,247		35	%
Interest expense		(73,924	)		(66,769	)		(7,155	)	(11	)%
Investment income (loss)		12,287			(2,557	)		14,844		581	%
Gains (losses) on sales and retirements of long-lived assets and other income (expense), net		(6,029	)		(20,367	)		14,338		70	%
Income (loss) from continuing operations before income taxes		123,383			52,109			71,274		137	%

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	Three Months Ended
	March 31,
	2011			2010			Increase (Decrease)
	(In thousands, except percentages and rig activity)
Income tax expense (benefit)		38,307			8,590			29,717		346	%
Subsidiary preferred stock dividend		750			—			750		100	%
Income (loss) from continuing operations, net of tax		84,326			43,519			40,807		94	%
Income (loss) from discontinued operations, net of tax		(2,170	)		(4,421	)		2,251		51	%
Net income (loss)		82,156			39,098			43,058		110	%
Less: Net (income) loss attributable to noncontrolling interest		669			1,102			(433	)	(39	)%
Net income (loss) attributable to Nabors	$	82,825		$	40,200		$	42,625		106	%
Rig activity:
Rig years:(11)
U.S. Lower 48 Land Drilling		187.9			158.6			29.3		18	%
U.S. Offshore		8.0			12.0			(4.0	)	(33	)%
Alaska		5.3			9.1			(3.8	)	(42	)%
Canada		49.7			34.8			14.9		43	%
International(12)		99.6			88.3			11.3		13	%
Total rig years		350.5			302.8			47.7		16	%
Rig hours:(13)
U.S. Land Well-servicing		187,581			148,347			39,234		26	%
Canada Well-servicing		53,154			46,032			7,122		15	%
Total rig hours		240,735			194,379			46,356		24	%

(1)	All information presents the operating activities of oil and gas assets in the Horn River basin in Canada and in the Llanos basin in Colombia as discontinued operations.
(2)	These segments include our drilling, workover and well-servicing and pressure pumping operations, on land and offshore.
(3)	Includes operating results of Superior for the three months ended March 31, 2011.
(4)	Includes earnings (losses), net from unconsolidated affiliates, accounted for using the equity method, of $.2 million and $.1 million for the three months ended March 31, 2011 and 2010, respectively.
(5)	Includes earnings (losses), net from unconsolidated affiliates, accounted for using the equity method, of $15.2 million and $4.5 million for the three months ended March 31, 2011 and 2010, respectively.
(6)	Includes our drilling technology and top drive manufacturing, directional drilling, rig instrumentation and software, and construction and logistics operations.
(7)	Includes earnings (losses), net from unconsolidated affiliates, accounted for using the equity method, of $.9 million and $3.0 million for the three months ended March 31, 2011 and 2010, respectively.
(8)	Represents the elimination of inter-segment transactions.
(9)	Adjusted income (loss) derived from operating activities is computed by subtracting direct costs, general and administrative expenses, depreciation and amortization, and depletion expense from “Operating revenues” and then adding “Earnings (losses) from unconsolidated affiliates.” These amounts should not be used as a substitute for those amounts reported under GAAP. However, management evaluates the performance of our business units and the consolidated company based on several criteria, including adjusted income (loss) derived from operating activities, because it believes that these financial measures are an accurate reflection of our ongoing profitability. A reconciliation of this non-GAAP measure to income

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	(loss) from continuing operations before income taxes, which is a GAAP measure, is provided within the above table.
(10)	Represents the elimination of inter-segment transactions and unallocated corporate expenses.
(11)	Excludes well-servicing rigs, which are measured in rig hours. Includes our equivalent percentage ownership of rigs owned by unconsolidated affiliates. Rig years represent a measure of the number of equivalent rigs operating during a given period. For example, one rig operating 182.5 days during a 365-day period represents 0.5 rig years.
(12)	International rig years include our equivalent percentage ownership of rigs owned by unconsolidated affiliates which totaled 2.0 years and 2.5 years during the three months ended March 31, 2011 and 2010, respectively.
(13)	Rig hours represents the number of hours that our well-servicing rig fleet operated during the year.

Segment Results of Operations

Contract Drilling

Our Contract Drilling operating segments contain one or more of the following operations: drilling, workover and well-servicing and pressure pumping, on land and offshore.

U.S. Lower 48 Land Drilling.  The results of operations for this reportable segment are as follows:

	Three Months Ended
	March 31,
	2011		2010		Increase (Decrease)
	(In thousands, except percentages and rig activity)
Operating revenues	$	378,568	$	271,497	$	107,071	39	%
Adjusted income derived from operating activities	$	80,095	$	60,286	$	19,809	33	%
Rig years		187.9		158.6		29.3	18	%

Operating results increased during the three months ended March 31, 2011 compared to the corresponding 2010 quarter primarily due to higher average dayrates and increases in drilling activity, driven by deployment of rigs into oil- and liquids-rich shale areas. The increase was partially offset by an increase in operating costs associated with drilling activity, as well as higher depreciation expense related to new rigs placed into service since January 2010.

U.S. Land Well-servicing.  The results of operations for this reportable segment are as follows:

	Three Months Ended
	March 31,
	2011		2010		Increase (Decrease)
	(In thousands, except percentages and rig activity)
Operating revenues	$	150,256	$	97,991	$	52,265	53	%
Adjusted income derived from operating activities	$	11,123	$	7,185	$	3,938	55	%
Rig hours		187,581		148,347		39,234	26	%

Operating results increased during the three months ended March 31, 2011 compared to the corresponding 2010 quarter primarily due to an increase in rig utilization as well as limited price improvement, both driven by higher oil prices.

Pressure Pumping.  The results of operations for this reportable segment were as follows:

	Three Months Ended
	March 31,
	2011		2010		Increase (Decrease)
	(In thousands, except percentages)
Operating revenues	$	257,859	$	—	$	257,859	100	%
Adjusted income derived from operating activities	$	43,715	$	—	$	43,715	100	%

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Operating results reflecting our acquisition of Superior are presented above for the three months ended March 31, 2011.

U.S. Offshore.  The results of operations for this reportable segment are as follows:

	Three Months Ended
	March 31,
	2011			2010		Increase (Decrease)
	(In thousands, except percentages and rig activity)
Operating revenues	$	30,454		$	38,198	$	(7,744	)	(20	)%
Adjusted income (loss) derived from operating activities	$	(3,977	)	$	7,373	$	(11,350	)	(154	)%
Rig years		8.0			12.0		(4.0	)	(33	)%

The decrease in operating results during the three months ended March 31, 2011 compared to the corresponding 2010 quarter primarily resulted from receiving standby rates on our MODS^® rigs while customers wait for permits and lower utilization for the MODS^® rigs and SuperSundowner^tm platform rigs. Drilling activities significantly declined in mid-2010 as our customers suspended their operations in the Gulf of Mexico, largely as a result of their inability to obtain government permits, although several drilling permits were issued in March 2011.

Alaska.  The results of operations for this reportable segment are as follows:

	Three Months Ended
	March 31,
	2011		2010		Increase (Decrease)
	(In thousands, except percentages and rig activity)
Operating revenues and Earnings from unconsolidated affiliates	$	41,315	$	49,794	$	(8,479	)	(17	)%
Adjusted income derived from operating activities	$	11,019	$	13,957	$	(2,938	)	(21	)%
Rig years		5.3		9.1		(3.8	)	(42	)%

The decrease in operating results during the three months ended March 31, 2011 compared to the corresponding 2010 quarter was primarily due to lower average dayrates and drilling activity. While drilling activity levels decreased significantly during 2010, operating results decreased only slightly due to an acceleration of deferred revenues from a significant terminating contract in mid-2010.

Canada.  The results of operations for this reportable segment are as follows:

	Three Months Ended
	March 31,
	2011		2010		Increase (Decrease)
	(In thousands, except percentages and rig activity)
Operating revenues and Earnings from unconsolidated affiliates	$	172,443	$	115,556	$	56,887	49	%
Adjusted income derived from operating activities	$	38,992	$	14,882	$	24,110	162	%
Rig years		49.7		34.8		14.9	43	%
Rig hours		53,154		46,032		7,122	15	%

Operating results increased during the three months ended March 31, 2011 compared to the corresponding 2010 quarter primarily as a result of an overall increase in drilling and well-servicing activity. The increased drilling activity in Western Canada is due to renewed interest in oil exploration supported by sustained improvement in oil prices. The well-servicing hourly rate increased during the three months ended March 31, 2011 as compared to the corresponding quarter in 2010 as a result of higher utilization of rigs. Additionally, operating results were positively impacted by the strengthening of the Canadian dollar versus the U.S. dollar.

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International.  The results of operations for this reportable segment are as follows:

	Three Months Ended
	March 31,
	2011		2010		Increase (Decrease)
	(In thousands, except percentages and rig activity)
Operating revenues and Earnings from unconsolidated affiliates	$	262,477	$	245,344	$	17,133		7	%
Adjusted income derived from operating activities	$	35,497	$	53,579	$	(18,082	)	(34	)%
Rig years		99.6		88.3		11.3		13	%

The decrease in operating results during the three months ended March 31, 2011 compared to the corresponding 2010 quarter resulted primarily from decreases in average dayrates and lower utilization of our jackup rigs in Saudi Arabia. Additionally, operating expenses have increased due to (i) upgrades made to land rigs for gas drilling and (ii) start-up expenses as we prepare to expand into new markets, primarily in Iraq.

Oil and Gas.  The results of operations for this reportable segment are as follows:

	Three Months Ended
	March 31,
	2011			2010		Increase (Decrease)
	(In thousands, except percentages)
Operating revenues and Earnings from unconsolidated affiliates	$	20,128		$	10,602	$	9,526		90	%
Adjusted income (loss) derived from operating activities	$	(770	)	$	2,619	$	(3,389	)	(129	)%

Operating revenues and Earnings from unconsolidated affiliates increased during the three months ended March 31, 2011 compared to the corresponding 2010 quarter primarily as a result of a gain recorded by our unconsolidated U.S. joint venture, of which our proportionate share was $13.3 million. The decrease in adjusted income derived from operating activities resulted primarily from $12.6 million in dry-hole expense for two wells in the Fayetteville Shale in Conway, Arkansas, and a related impairment of the remaining leasehold costs, partially offset by the gain mentioned above.

Other Operating Segments.  These operations include our drilling technology and top-drive manufacturing, directional drilling, rig instrumentation and software, and construction and logistics operations. The results of operations for these operating segments are as follows:

	Three Months Ended
	March 31,
	2011		2010		Increase (Decrease)
	(In thousands, except percentages)
Operating revenues and Earnings from unconsolidated affiliates	$	121,383	$	95,513	$	25,870		27	%
Adjusted income derived from operating activities	$	6,138	$	6,890	$	(752	)	(11	)%

The increase in operating results during the three months ended March 31, 2011 compared to the corresponding 2010 quarter primarily resulted from higher demand in the United States and Canada drilling markets for rig instrumentation and data collection services from oil and gas exploration companies and higher third-party rental and rigwatch units, which generate higher margins, partially offset by a continued decline in customer demand for our construction and logistics services in Alaska.

Discontinued Operations

The operating results from our oil and gas assets in Canada and Colombia that we have classified as held for sale have been retroactively presented as discontinued operations in the accompanying consolidated

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statements of income (loss). Our condensed statements of income (loss) from discontinued operations for the three months ended March 31, 2011 and 2010, were as follows:

	Three Months Ended
	March 31,
	2011			2010			Increase (Decrease)
	(In thousands, except percentages)
Operating revenues and Earnings (losses) from unconsolidated affiliates	$	8,302		$	6,722		$	1,580	24	%
Income (loss) from discontinued operations, net of tax	$	(2,170	)	$	(4,421	)	$	2,251	51	%

During 2011, we and Remora Energy International, LP, one of our joint ventures, have entered into agreements with unrelated parties to sell the majority of the assets in Colombia. Closings of these transactions are subject to customary closing conditions and are expected to occur during the second quarter of 2011. Our proportionate share of pre-tax gains on these transactions is expected to range from $150 to $200 million.

OTHER FINANCIAL INFORMATION

General and administrative expenses

	Three Months Ended
	March 31,
	2011			2010			Increase (Decrease)
	(In thousands, except percentages)
General and administrative expenses	$	118,458		$	75,426		$	43,032		57	%
General and administrative expenses as a percentage of operating revenues		8.6	%		8.5	%		.1	%	1	%

General and administrative expenses increased during the three months ended March 31, 2011 compared to the corresponding 2010 quarter primarily as a result of increases in wages, burden and bonus to support a higher headcount as a result of (i) our Superior acquisition in the third quarter of 2010 and (ii) increased operations for a majority of our operating segments.

Depreciation and amortization and Depletion expense

	Three Months Ended
	March 31,
	2011		2010		Increase (Decrease)
	(In thousands, except percentages)
Depreciation and amortization expense	$	226,102	$	171,536	$	54,566		32	%
Depletion expense	$	3,573	$	5,027	$	(1,454	)	(29	)%

Depreciation and amortization expense.  Depreciation and amortization expense increased during the three months ended March 31, 2011 compared to the corresponding 2010 quarter as a result of the incremental depreciation expense from (i) assets acquired in our Superior acquisition and (ii) rig upgrades and other capital expenditures made during 2010.

Depletion expense.  Depletion expense decreased during the three months ended March 31, 2011 compared to the corresponding 2010 quarter as a result of decreased amortization of leasehold costs related to leases that expired in late 2010.

Interest expense

	Three Months Ended
	March 31,
	2011		2010		Increase (Decrease)
	(In thousands, except percentages)
Interest expense	$	73,924	$	66,769	$	7,155	11	%

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Interest expense increased during the three months ended March 31, 2011 compared to the corresponding 2010 quarter as a result of interest related to our September 2010 issuance of 5.0% senior notes due September 2020. The increase was partially offset by a reduction to interest expense resulting from our repurchases of 0.94% senior exchangeable notes during 2010.

Investment income (loss)

	Three Months Ended
	March 31,
	2011		2010			Increase (Decrease)
	(In thousands, except percentages)
Investment income (loss)	$	12,287	$	(2,557	)	$	14,844	581	%

Investment income for the three months ended March 31, 2011 included a $12.9 million realized gain related to one of our overseas fund investments classified as long-term investments and interest and dividend income of $1.8 million from our cash, other short-term and long-term investments, partially offset by net unrealized losses of $3.2 million from our trading securities.

Investment income (loss) for the three months ended March 31, 2010 included unrealized losses of $4.5 million from our trading securities, partially offset by realized gains of $.7 million and interest income of $1.2 million from our cash, other short-term and long-term investments.

Gains (losses) on sales and retirements of long-lived assets and other income (expense), net

	Three Months Ended
	March 31,
	2011			2010			Increase (Decrease)
	(In thousands, except percentages)
Gains (losses) on sales and retirements of long-lived assets and other income (expense), net	$	(6,029	)	$	(20,367	)	$	14,338	70	%

The amount of gains (losses) on sales and retirements of long-lived assets and other income (expense), net for the three months ended March 31, 2011 was primarily comprised of increases to our litigation reserves of $5.9 million and net losses on sales and retirements of long-lived assets of approximately $1.1 million.

The amount of gains (losses) on sales and retirements of long-lived assets and other income (expense), net for the three months ended March 31, 2010 represented a net loss of $20.3 million and included: (i) foreign currency exchange losses of approximately $9.3 million, (ii) increases to our litigation reserves of $3.7 million, (iii) net losses on sales and retirements of long-lived assets of approximately $3.5 million, and (iv) losses of $2.8 million recognized on purchases of our 0.94% senior exchangeable notes.

Income tax rate

	Three Months Ended
	March 31,
	2011			2010			Increase (Decrease)
Effective income tax rate from continuing operations		31.0	%		16.5	%		14.5	%	88	%

Our effective income tax rate increased during the three months ended March 31, 2011 compared to the corresponding 2010 quarter primarily as a result of the proportion of income generated in the United States versus the non-U.S. jurisdictions in which we operate. Income generated in the United States is generally taxed at a higher rate than that of other jurisdictions.

We are subject to income taxes in the United States and numerous other jurisdictions. Significant judgment is required in determining our worldwide provision for income taxes. One of the most volatile factors in this determination is the relative proportion of our income or loss being recognized in high- versus low-tax jurisdictions. In the ordinary course of our business, there are many transactions and calculations for which the ultimate tax determination is uncertain. We are regularly audited by tax authorities. Although we believe our tax estimates are reasonable, the final outcome of tax audits and any related litigation could be

41

materially different than what is reflected in our income tax provisions and accruals. The results of an audit or litigation could materially affect our financial position, income tax provision, net income, or cash flows.

Various bills have been introduced in Congress that could reduce or eliminate the tax benefits associated with our 2002 reorganization as a Bermuda company. Legislation enacted by Congress in 2004 provides that a corporation that reorganized in a foreign jurisdiction on or after March 4, 2003 be treated as a domestic corporation for U.S. federal income tax purposes. There has been and we expect that there may continue to be legislation proposed by Congress from time to time which, if enacted, could limit or eliminate the tax benefits associated with our reorganization.

Because we cannot predict whether legislation will ultimately be adopted, no assurance can be given that the tax benefits associated with our reorganization will ultimately accrue to the benefit of Nabors and its shareholders. It is possible that future changes to the tax laws (including tax treaties) could impact our ability to realize the tax savings recorded to date as well as future tax savings resulting from our reorganization.

Liquidity and Capital Resources

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 increases or decreases in the price of natural gas or oil 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, purchases and sales of investments, issuances and repurchases of debt and of our common shares are within our control and are adjusted as necessary based on market conditions. The following is a discussion of our cash flows for the three months ended March 31, 2011 and 2010.

Operating Activities.  Net cash provided by operating activities totaled $290.9 million during the three months ended March 31, 2011 compared to net cash provided by operating activities of $223.1 million during the corresponding 2010 quarter. Net cash provided by operating activities (“operating cash flows”) is our primary source of capital and liquidity. Factors affecting changes in operating cash flows are largely the same as those that affect net earnings, with the exception of non-cash expenses such as depreciation and amortization, depletion, impairments, share-based compensation, deferred income taxes and our proportionate share of earnings or losses from unconsolidated affiliates. Net income (loss) adjusted for non-cash components was approximately $345.5 million and $256.5 million for the three months ended March 31, 2011 and 2010, respectively. Additionally, changes in working capital items such as collection of receivables can be a significant component of operating cash flows. Changes in working capital items required $54.5 million and $33.3 million in cash flows for the three months ended March 31, 2011 and 2010, respectively.

Investing Activities.  Net cash used for investing activities totaled $374.4 million during the three months ended March 31, 2011 compared to net cash used for investing activities of $134.9 million during the corresponding 2010 quarter. The primary component of investing cash flows were capital expenditures totaling $358.6 million and $150.7 million, respectively, during the three months ended March 31, 2011 and 2010. During the three months ended March 31, 2011, we provided cash to our investments in unconsolidated affiliates totaling $19.0 million.

Financing Activities.  Net cash provided by financing activities totaled $9.1 million during the three months ended March 31, 2011 compared to net cash used for financing activities of $111.5 million during the corresponding 2010 quarter. During the three months ended March 31, 2011 and 2010, we used cash to purchase $5.0 million and $106.8 million, respectively, of our 0.94% senior exchangeable notes.

Future Cash Requirements

As of March 31, 2011, we had long-term debt, including current maturities, of $4.5 billion and cash and investments of $774.1 million, including $43.7 million of long-term investments and other receivables. Long-term investments and other receivables include $36.4 million in oil and gas financing receivables.

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As of March 31, 2011, the current portion of our long-term debt included approximately $1.4 billion par value of Nabors Delaware’s 0.94% senior exchangeable notes that mature on May 15, 2011. We intend to use a portion of the $1.35 billion currently available to us under various revolving credit facilities to supplement cash on hand for purposes of meeting this obligation. We also anticipate finalizing sales, in the second quarter of 2011, of some of our Colombian oil and gas assets that are classified as held for sale. We believe the expected proceeds from these sales, along with future operating cash flows and any remaining availability under the revolvers, will be adequate to fund our capital expenditures and potential investment opportunities over the remainder of the year. We also continue to assess opportunities to dispose of other non-core assets and we continue to believe that we could access the financial markets, if we so chose, to raise additional capital. A number of factors could negatively impact our plans, including our ability to access the financial markets at competitive rates if the financial markets become limited or restricted, a decline in oil and natural gas prices, a decline in demand for our services or market perceptions of us and our industry.

The senior exchangeable notes would require us upon exchange to pay note holders cash up to the principal amount of the notes and our common shares for any amount by which the exchange value of the notes exceeds their principal amount. The notes can only be exchanged:

(i) if our share price exceeds $59.57 (approximately) for at least 20 trading days during the period of 30 consecutive trading days ending on the last trading day of the previous calendar quarter; or

(ii) during the five business days immediately following any ten consecutive trading day period in which the per note trading price for each day of that period is less than 95% of the product of (a) the sale price of our common shares and (b) the then applicable exchange rate for the notes; or

(iii) upon the occurrence of specified corporate transactions.

On April 25, 2011, the closing market price for our common stock was $31.68 per share. If any of the foregoing conditions were met and the notes were exchanged at a price equal to 100% of their principal amount before maturity, the required cash payment could have a significant impact on our level of cash and cash equivalents and investments available to meet our other cash obligations. However, management believes that if the price of our shares exceeded $59.57 for the required period of time, note holders would be unlikely to exchange them as it would be more beneficial to sell the notes to other investors on the open market. Nevertheless, there can be no assurance that the holders would not exchange the notes.

We expect capital expenditures over the next 12 months to approximate $1.7 - 2.0 billion. We had outstanding purchase commitments of approximately $1.0 billion at March 31, 2011, primarily for rig-related enhancements, construction and sustaining capital expenditures and other operating expenses. We can reduce the planned expenditures if necessary, or increase them if market conditions and new business opportunities warrant it.

We have historically completed a number of acquisitions and will continue to evaluate opportunities to acquire assets or businesses to enhance our operations. Several of our previous acquisitions were funded through issuances of our common shares. Future acquisitions may be paid for using existing cash or issuing debt or Nabors shares. Such capital expenditures and acquisitions will depend on our view of market conditions and other factors.

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 in Note 9 - Commitments and Contingencies under Off-Balance Sheet Arrangements (Including Guarantees) in these unaudited consolidated financial statements.

There have been no significant changes to our contractual cash obligations table which was included in our 2010 Annual Report.

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. The amounts involved may be material.

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In July 2006 our Board of Directors authorized a share repurchase program under which we may repurchase up to $500 million of our common shares in the open market or in privately negotiated transactions. Through March 31, 2011, $464.5 million of our common shares had been repurchased under this program, and we had an additional $35.5 million available.

See Note 17 — Commitments and Contingencies in our 2010 Annual Report for discussion of commitments and contingencies relating to (i) off-balance sheet arrangements (including guarantees) and (ii) employment agreements that could result in cash payments to Messrs. Isenberg and Petrello, respectively, of (a) $100 million and $50 million, respectively, if their employment is terminated due to death or disability, or (b) $100 million and approximately $34 million, respectively, if their employment is terminated without cause or in the event of a change in control.

Financial Condition and Sources of Liquidity

Our primary sources of liquidity are cash and cash equivalents, short-term and long-term investments, availability under our various revolving credit facilities, and cash generated from operations. As of March 31, 2011, we had cash and investments of $774.1 million (including $43.7 million of long-term investments and other receivables, inclusive of $36.4 million in oil and gas financing receivables) and working capital of $480.5 million. Oil and gas financing receivables are classified as long-term investments. These receivables represent our financing agreements for certain production payment contracts in our Oil and Gas segment. This compares to cash and investments of $841.5 million (including $40.3 million of long-term investments and other receivables, inclusive of $32.9 million in oil and gas financing receivables) and working capital of $458.6 million as of December 31, 2010.

Our gross funded debt to capital ratio was 0.42:1 as of each of March 31, 2011 and December 31, 2010. Our net funded debt to capital ratio was 0.37:1 as of each of March 31, 2011 and December 31, 2010.

The gross funded debt to capital ratio is calculated by dividing (x) funded debt by (y) funded debt plus deferred tax liabilities (net of deferred tax assets) plus capital. Funded debt is the sum of (1) short-term borrowings, (2) the current portion of long-term debt and (3) long-term debt. Capital is shareholders’ equity.

The net funded debt to capital ratio is calculated by dividing (x) net funded debt by (y) net funded debt plus deferred tax liabilities (net of deferred tax assets) plus capital. Net funded debt is funded debt minus the sum of cash and cash equivalents and short-term and long-term investments and other receivables. Both of these ratios are used to calculate a company’s leverage in relation to its capital. Neither ratio measures operating performance or liquidity as defined by GAAP and, therefore, may not be comparable to similarly titled measures presented by other companies.

Our interest coverage ratio was 7.4:1 as of March 31, 2011 and 7.0:1 as of December 31, 2010. The interest coverage ratio is a trailing 12-month quotient of the sum of income (loss) from continuing operations, net of tax, net income (loss) attributable to noncontrolling interest, interest expense, subsidiary preferred stock dividends, depreciation and amortization, depletion expense, impairments and other charges, and income tax expense (benefit) less investment income (loss) divided by cash interest expense plus subsidiary preferred stock dividends. This ratio is a method for calculating the amount of operating cash flows available to cover cash interest expense. The interest coverage ratio is not a measure of operating performance or liquidity defined by GAAP and may not be comparable to similarly titled measures presented by other companies.

During 2011, we and Remora International Energy LP, one of our joint ventures, have entered into agreements with unrelated parties to sell the majority of the assets in Colombia. Closings of these transactions are subject to customary closing conditions and are expected to occur during the second quarter of 2011. Our proportionate share of pre-tax gains on these transactions is expected to range from $150 to $200 million.

On April 20, 2011, we and Nabors Delaware entered into a new senior unsecured revolving credit facility under which the lenders committed to provide to Nabors Delaware up to $550 million. This facility also provides Nabors Delaware the option to add other lenders and increase the aggregate principal amount of commitments to $700 million. We fully and unconditionally guarantee the obligations under the facility, which

44

matures in September 2014. Collectively, our borrowing capacity under our revolving credit facilities is $1.35 billion.

We had seven letter-of-credit facilities with various banks as of March 31, 2011. Availability under our letter-of-credit facilities as of March 31, 2011 was as follows:

	(In thousands)
Credit available	$	246,789
Letters of credit outstanding, inclusive of financial and performance guarantees		83,946
Remaining availability	$	162,843

Our ability to access capital markets or to otherwise obtain sufficient financing is enhanced by our senior unsecured debt ratings as provided by Fitch Ratings, Moody’s Investors Service and Standard & Poor’s and our historical ability to access those 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 exchange or purchase of our notes 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. A credit downgrade may impact our ability to access credit markets.

Our current cash and investments, projected cash flows from operations, proceeds from dispositions of non-core assets and our revolving credit facilities are expected to adequately finance our purchase commitments, our scheduled debt service requirements, and all other expected cash requirements for the next twelve months.

ITEM 3.   QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

We may be exposed to market risk through changes in interest rates and foreign-currency risk arising from our operations in international markets as discussed in our 2010 Annual Report.

ITEM 4.   CONTROLS AND PROCEDURES

(a) Disclosure Controls and Procedures. We maintain a set of disclosure controls and procedures designed to provide reasonable assurance that information required to be disclosed in our reports filed or furnished under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms. 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.

Our management, with the participation of the Chairman and Chief Executive Officer and principal accounting and financial officer, has evaluated the effectiveness of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act) as of the end of the period covered by this report. Based on this evaluation, the Chairman and Chief Executive Officer and principal accounting and financial officer concluded that, as of the end of the period, our disclosure controls and procedures are effective, at the reasonable assurance level, in (i) recording, processing, summarizing and reporting, on a timely basis, information we are required to disclose in reports filed or furnished under the Exchange Act, and (ii) ensuring that such information is accumulated and communicated to our management, including the Chairman and Chief Executive Officer and principal accounting and financial officer, as appropriate to allow timely decisions regarding required disclosure.

(b) Changes in Internal Control Over Financial Reporting. There have not been any changes in our internal control over financial reporting (identified in connection with the evaluation required by paragraph (d) in Rules 13a-15 and 15d-15 under the Exchange Act) during the most recently completed quarter that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

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PART II OTHER INFORMATION

ITEM 1.   LEGAL PROCEEDINGS

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 reasonably 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. 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 (in Algeria), sitting at first instance, entered a judgment of approximately $39.9 million against NDIL 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 NDIL by CEPSA, a Spanish operator, for wells drilled in 2006. Approximately US $7.5 million of the total contract amount was paid offshore in foreign currency, and approximately US $3.2 million was paid in local currency. The judgment includes fines and penalties of approximately four times the amount at issue, and is not payable pending appeal. We have appealed the ruling based on our understanding that the law in question applies only to resident entities incorporated under Algerian law. Our payments were consistent with our historical operations in the country, those of other multinational corporations in Algeria, and interpretations of the law by the Central Bank of Algeria. We do not believe that a loss is probable and have not accrued any amounts related to this matter. However, the timing and ultimate resolution are uncertain.

Refer to Note 9 Commitments and Contingencies for discussion of previously disclosed litigation contingencies.

ITEM 1A.   RISK FACTORS

There have been no material changes during the three months ended March 31, 2011 to the “Risk Factors” discussed in our 2010 Annual Report.

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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 March 31, 2011 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:

							Approximate
					Total Number		Dollar Value
	Total Number		Average		of Shares Purchased		of Shares that May
	of Shares		Price Paid		as Part of Publicly		Yet Be Purchased
Period	Purchased(1)		per Share		Announced Program		Under the Program(2)
	(In thousands, except average price paid per share)
Jan. 1 — Jan. 31, 2011		—	$	23.03		—	$	35,458
Feb. 1 — Feb. 28, 2011		22	$	27.92		—	$	35,458
Mar. 1 — Mar. 31, 2011		64	$	27.04		—	$	35,458

(1)	Shares were withheld from employees to satisfy certain tax withholding obligations due in connection with grants of stock under our 2003 Employee Stock Plan. The 2003 Employee Stock Plan provides for the withholding of shares to satisfy tax obligations, but does not specify a maximum number of shares that can be withheld for this purpose.
(2)	In July 2006, our Board of Directors authorized a share repurchase program under which we may repurchase up to $500 million of our common shares in the open market or in privately negotiated transactions. Through March 31, $464.5 million of our common shares had been repurchased under this program, and we had an additional $35.5 million available.

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Exhibits

		Description
3	.1	Memorandum of Association of Nabors Industries Ltd. (incorporated by reference to Annex II to the proxy statement/prospectus included in Nabors Industries Ltd.’s Registration Statement on Form S-4 (Registration No. 333-76198) filed with the Commission on May 10, 2002, as amended).
3	.2	Amended and Restated Bye-laws of Nabors Industries Ltd. (incorporated by reference to Exhibit 4.2 to Nabors Industries Ltd.’s Form 10-Q (File No. 000-49887) filed with the Commission on August 3, 2005).
10	.1	Credit Agreement, dated as of April 20, 2011, among Nabors Industries, Inc., as borrower, Nabors Industries Ltd., as guarantor, Citigroup Global Markets Inc., Mizuho Corporate Bank, Ltd., Morgan Stanley Senior Funding, Inc. and UBS Securities LLC as Joint Lead Arrangers and Joint Bookrunners, Mizuho Corporate Bank, Ltd., Morgan Stanley Senior Funding, Inc. and UBS Securities LLC, as Documentation Agents, Citibank, N.A., as Administrative Agent and Swingline Lender and the lenders party thereto from time to time (incorporated by reference to Exhibit 10.1 to Nabors Industries Ltd.’s Form 8-K (File No. 001-32657) filed with the Commission on April 20, 2011).
15		Awareness Letter of Independent Accountants*
31	.1	Rule 13a-14(a)/15d-14(a) Certification of Eugene M. Isenberg, Chairman and Chief Executive Officer*
31	.2	Rule 13a-14(a)/15d-14(a) Certification of R. Clark Wood, Principal Accounting and 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 Eugene M. Isenberg, Chairman and Chief Executive Officer and R. Clark Wood, Principal Accounting and Financial Officer (furnished herewith).
101	.INS	XBRL Instance Document*
101	.SCH	XBRL Schema Document*
101	.CAL	XBRL Calculation Linkbase Document*
101	.LAB	XBRL Label Linkbase Document*
101	.PRE	XBRL Presentation Linkbase Document*
101	.DEF	XBRL Definition Linkbase Document*

* Filed herewith.

48

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/  Eugene M. Isenberg

Eugene M. Isenberg

Chairman and

Chief Executive Officer

By:  /s/  R. Clark Wood

R. Clark Wood

Principal Accounting and

Financial Officer

Date: May 3, 2011

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EX-15

Exhibit 15.1

May 3, 2011

Securities and Exchange Commission
100 F Street, N.E.
Washington, DC 20549

Commissioners:

We are aware that our report dated May 3, 2011 on our review of interim financial information of Nabors Industries Ltd. and its subsidiaries (the “Company”) for the three-month periods ended March 31, 2011 and 2010 and included in the Company’s quarterly report on Form 10-Q for the quarter ended March 31, 2011 is incorporated by reference in its Registration Statements on Form S-8 (Registration Numbers 333-87069-99, 333-11313-99, 333-121908, 333-155291 and 333-166598) and on Form S-3 (Registration Number 333-159601) of Nabors Industries Ltd. and on Form S-3 (Registration Numbers 333-136797-01 and 333-169013-01) of Nabors Industries Ltd. and Nabors Industries, Inc.

Very truly yours,

/s/ PricewaterhouseCoopers LLP

EX-31.1

EXHIBIT 31.1

Certification of Chief Executive Officer
Pursuant to Exchange Act Rule 13a-14(a) or 15d-14(a)

I, Eugene M. Isenberg, 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 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:  May 3, 2011	/s/ Eugene M. Isenberg
	Eugene M. Isenberg
	Chairman and Chief Executive Officer

EX-31.2

EXHIBIT 31.2

Certification of Controller of Nabors Industries, Inc.
Pursuant to Exchange Act Rule 13a-14(a) or 15d-14(a)

I, R. Clark Wood, 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: May 3, 2011	/s/ R. Clark Wood
	R. Clark Wood
	Principal Accounting and 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 March 31, 2011 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Eugene M. Isenberg, Chairman and Chief Executive Officer of the Company, and I, R. Clark Wood, principal accounting and 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/ Eugene M. Isenberg  

Eugene M. Isenberg 

Chairman and Chief Executive Officer
Date: May 3, 2011

/s/ R. Clark Wood  

R. Clark Wood 

Principal Accounting and Financial Officer
Date: May 3, 2011