10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

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

For the Quarterly Period Ended September 30, 2021

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

Commission File Number: 001-32657

NABORS INDUSTRIES LTD.

(Exact name of registrant as specified in its charter)

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

Crown House

Second Floor

4 Par-la-Ville Road

Hamilton, HM08

Bermuda

(Address of principal executive office)

(441) 292-1510

(Registrant’s telephone number, including area code)

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

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

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

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (Section 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

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

Large Accelerated Filer ☐		Accelerated Filer ☒
Non-accelerated Filer ☐		Smaller reporting company ☐
	Emerging growth company ☐

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

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

The number of common shares, par value $.05 per share, outstanding as of October 31, 2021 was 8,241,094, excluding 1,090,003 common shares held by our subsidiaries, or 9,331,097 in the aggregate.

NABORS INDUSTRIES LTD. AND SUBSIDIARIES

Index

PART I FINANCIAL INFORMATION
Item 1.	Financial Statements
	Condensed Consolidated Balance Sheets as of September 30, 2021 and December 31, 2020	3
	Condensed Consolidated Statements of Income (Loss) for the Three and Nine Months Ended September 30, 2021 and 2020	4
	Condensed Consolidated Statements of Comprehensive Income (Loss) for the Three and Nine Months Ended September 30, 2021 and 2020	5
	Condensed Consolidated Statements of Cash Flows for the Nine Months Ended September 30, 2021 and 2020	6
	Condensed Consolidated Statements of Changes in Equity for the Three and Nine Months Ended September 30, 2021 and 2020	7
	Notes to Condensed Consolidated Financial Statements	9
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	28
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	40
Item 4.	Controls and Procedures	40
PART II OTHER INFORMATION
Item 1.	Legal Proceedings	40
Item 1A.	Risk Factors	40
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	41
Item 3.	Defaults Upon Senior Securities	41
Item 4.	Mine Safety Disclosures	41
Item 5.	Other Information	42
Item 6.	Exhibits	42
Signatures		42

2

NABORS INDUSTRIES LTD. AND SUBSIDIARIES

CONDENSED CONSOLIDATED BALANCE SHEETS

(Unaudited)

	September 30,		December 31,
	2021		2020
	(In thousands, except per
	share amounts)
ASSETS
Current assets:
Cash and cash equivalents	$	771,878	$	472,246
Short-term investments		6		9,500
Accounts receivable, net of allowance of $69,456 and $69,807, respectively		282,726		362,977
Inventory, net		136,992		160,585
Assets held for sale		16,785		16,562
Other current assets		114,240		109,595
Total current assets		1,322,627		1,131,465
Property, plant and equipment, net		3,443,737		3,985,707
Deferred income taxes		256,679		247,171
Other long-term assets		151,783		139,085
Total assets (1)	$	5,174,826	$	5,503,428
LIABILITIES AND EQUITY
Current liabilities:
Trade accounts payable	$	251,740	$	220,922
Accrued liabilities		235,356		276,085
Income taxes payable		23,056		10,157
Current lease liabilities		5,936		8,305
Total current liabilities		516,088		515,469
Long-term debt		3,075,520		2,968,701
Other long-term liabilities		346,327		318,034
Deferred income taxes		2,215		1,576
Total liabilities (1)		3,940,150		3,803,780
Commitments and contingencies (Note 8)
Redeemable noncontrolling interest in subsidiary (Note 3)		400,853		442,840
Shareholders’ equity:
Preferred shares, par value $0.001 per share:
Series A 6% Cumulative Mandatory Convertible; $50 per share liquidation preference; outstanding 0 and 4,870, respectively		—		5
Common shares, par value $0.05 per share:
Authorized common shares 32,000; issued 9,332 and 8,383, respectively		466		419
Capital in excess of par value		3,450,408		3,423,935
Accumulated other comprehensive income (loss)		(10,872)		(11,124)
Retained earnings (accumulated deficit)		(1,415,230)		(946,100)
Less: treasury shares, at cost, 1,090 and 1,090 common shares, respectively		(1,315,751)		(1,315,751)
Total shareholders’ equity		709,021		1,151,384
Noncontrolling interest		124,802		105,424
Total equity		833,823		1,256,808
Total liabilities and equity	$	5,174,826	$	5,503,428

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

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

3

NABORS INDUSTRIES LTD. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF INCOME (LOSS)

(Unaudited)

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2021		2020		2021		2020
	(In thousands, except per share amounts)
Revenues and other income:
Operating revenues		$	524,165	$	438,352	$	1,474,009	$	1,690,647
Investment income (loss)			200		(742)		1,401		(1,904)
Total revenues and other income			524,365		437,610		1,475,410		1,688,743
Costs and other deductions:
Direct costs			336,538		270,397		939,658		1,058,794
General and administrative expenses			52,897		46,168		159,137		149,796
Research and engineering			9,498		7,565		24,930		26,279
Depreciation and amortization			173,375		206,862		525,426		645,045
Interest expense			42,217		52,403		126,906		158,331
Impairments and other charges			3,068		5,017		65,419		339,303
Other, net			19,690		(425)		31,140		(48,330)
Total costs and other deductions			637,283		587,987		1,872,616		2,329,218
Income (loss) from continuing operations before income taxes			(112,918)		(150,377)		(397,206)		(640,475)
Income tax expense (benefit):
Current			8,440		1,450		46,538		(6,089)
Deferred			(5,656)		(5,145)		(9,310)		24,533
Total income tax expense (benefit)			2,784		(3,695)		37,228		18,444
Income (loss) from continuing operations, net of tax			(115,702)		(146,682)		(434,434)		(658,919)
Income (loss) from discontinued operations, net of tax			(20)		22		7		(48)
Net income (loss)			(115,722)		(146,660)		(434,427)		(658,967)
Less: Net (income) loss attributable to noncontrolling interest			(6,778)		(10,805)		(21,168)		(38,437)
Net income (loss) attributable to Nabors			(122,500)		(157,465)		(455,595)		(697,404)
Less: Preferred stock dividend			—		(3,653)		(3,653)		(10,958)
Net income (loss) attributable to Nabors common shareholders		$	(122,500)	$	(161,118)	$	(459,248)	$	(708,362)
Amounts attributable to Nabors common shareholders:
Net income (loss) from continuing operations		$	(122,480)	$	(161,140)	$	(459,255)	$	(708,314)
Net income (loss) from discontinued operations			(20)		22		7		(48)
Net income (loss) attributable to Nabors common shareholders		$	(122,500)	$	(161,118)	$	(459,248)	$	(708,362)
Earnings (losses) per share:
Basic from continuing operations		$	(15.79)	$	(23.42)	$	(62.26)	$	(102.25)
Basic from discontinued operations			—		—		—		(0.01)
Total Basic		$	(15.79)	$	(23.42)	$	(62.26)	$	(102.26)
Diluted from continuing operations		$	(15.79)	$	(23.42)	$	(62.26)	$	(102.25)
Diluted from discontinued operations			—		—		—		(0.01)
Total Diluted		$	(15.79)	$	(23.42)	$	(62.26)	$	(102.26)
Weighted-average number of common shares outstanding:
Basic			7,907		7,064		7,490		7,056
Diluted			7,907		7,064		7,490		7,056

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

4

NABORS INDUSTRIES LTD. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)

(Unaudited)

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2021		2020		2021		2020
	(In thousands)
Net income (loss) attributable to Nabors		$	(122,500)	$	(157,465)	$	(455,595)	$	(697,404)
Other comprehensive income (loss), before tax:
Translation adjustment attributable to Nabors			(2,288)		3,665		2,032		(7,029)
Pension liability amortization and adjustment			52		52		(1,744)		156
Unrealized gains (losses) and amortization on cash flow hedges			—		(124)		—		160
Other comprehensive income (loss), before tax			(2,236)		3,593		288		(6,713)
Income tax expense (benefit) related to items of other comprehensive income (loss)			12		35		36		129
Other comprehensive income (loss), net of tax			(2,248)		3,558		252		(6,842)
Comprehensive income (loss) attributable to Nabors			(124,748)		(153,907)		(455,343)		(704,246)
Comprehensive income (loss) attributable to noncontrolling interest			6,778		10,805		21,168		38,437
Comprehensive income (loss)		$	(117,970)	$	(143,102)	$	(434,175)	$	(665,809)

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

5

NABORS INDUSTRIES LTD. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

	Nine Months Ended September 30,
	2021		2020
	(In thousands)
Cash flows from operating activities:
Net income (loss)	$	(434,427)	$	(658,967)
Adjustments to net income (loss):
Depreciation and amortization		525,427		645,045
Deferred income tax expense (benefit)		(9,305)		24,535
Impairments and other charges		72,898		301,619
Amortization of debt discount and deferred financing costs		15,846		24,347
Losses (gains) on debt buyback		(10,706)		(65,848)
Losses (gains) on long-lived assets, net		17,299		5,754
Losses (gains) on investments, net		(767)		5,653
Provision (recovery) of bad debt		(350)		9,729
Share-based compensation		15,207		20,170
Foreign currency transaction losses (gains), net		3,391		11,404
Noncontrolling interest		(21,168)		(38,437)
Other		737		257
Changes in operating assets and liabilities, net of effects from acquisitions:
Accounts receivable		74,873		90,757
Inventory		21,137		11,111
Other current assets		(6,060)		12,510
Other long-term assets		3,721		22,907
Trade accounts payable and accrued liabilities		8,485		(159,621)
Income taxes payable		12,622		2,393
Other long-term liabilities		37,623		(17,412)
Net cash provided by (used for) operating activities		326,483		247,906
Cash flows from investing activities:
Purchases of investments		(14,041)		(30)
Sales and maturities of investments		11,371		2,043
Purchase of intangible assets		(3,600)		—
Capital expenditures		(179,902)		(153,128)
Proceeds from sales of assets and insurance claims		121,678		21,773
Other		(594)		—
Net cash (used for) provided by investing activities		(65,088)		(129,342)
Cash flows from financing activities:
Proceeds from issuance of long-term debt		—		1,000,000
Reduction in long-term debt		(151,508)		(1,390,236)
Debt issuance costs		(2,421)		(19,149)
Proceeds from revolving credit facilities		565,000		1,522,265
Reduction in revolving credit facilities		(312,500)		(1,125,000)
Repurchase of common and preferred shares		—		(13,858)
Dividends to common and preferred shareholders		(7,380)		(18,885)
Redeemable noncontrolling interest distribution		(49,077)		—
Distributions to noncontrolling interest		(1,790)		(2,033)
Other		(2,496)		(1,576)
Net cash (used for) provided by financing activities		37,828		(48,472)
Effect of exchange rate changes on cash and cash equivalents		(720)		(3,987)
Net increase (decrease) in cash and cash equivalents and restricted cash		298,503		66,105
Cash and cash equivalents and restricted cash, beginning of period		475,280		442,038
Cash and cash equivalents and restricted cash, end of period	$	773,783	$	508,143
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH
Cash and cash equivalents, beginning of period		472,246		435,990
Restricted cash, beginning of period		3,034		6,048
Cash and cash equivalents and restricted cash, beginning of period	$	475,280	$	442,038
Cash and cash equivalents, end of period		771,878		504,985
Restricted cash, end of period		1,905		3,158
Cash and cash equivalents and restricted cash, end of period	$	773,783	$	508,143

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

6

NABORS INDUSTRIES LTD. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY

(Unaudited)

	Mandatory Convertible						Capital		Accumulated
	Preferred Shares			Common Shares			in Excess		Other						Non-
		Par			Par		of Par		Comprehensive		Retained		Treasury		controlling		Total
(In thousands, except per share amounts)	Shares	Value		Shares	Value		Value		Income		Earnings		Shares		Interest		Equity
As of June 30, 2020	4,870	$	5	8,389	$	419	$	3,415,053	$	(22,188)	$	(664,391)	$	(1,315,751)	$	94,339	$	1,507,486
Net income (loss)	—		—	—		—		—		—		(157,465)		—		10,805		(146,660)
Dividends to preferred shareholders ($0.75 per share)	—		—	—		—		—		—		(3,653)		—		—		(3,653)
Other comprehensive income (loss), net of tax	—		—	—		—		—		3,558		—		—		—		3,558
Accrued distribution on redeemable noncontrolling interest in subsidiary	—		—	—		—		—		—		(4,353)		—		—		(4,353)
Other	—		—	(4)		—		4,414		—		—		—		(1,028)		3,386
As of September 30, 2020	4,870	$	5	8,385	$	419	$	3,419,467	$	(18,630)	$	(829,862)	$	(1,315,751)	$	104,116	$	1,359,764
As of June 30, 2021	—	$	—	9,181	$	459	$	3,433,144	$	(8,624)	$	(1,290,309)	$	(1,315,751)	$	118,024	$	936,943
Net income (loss)	—		—	—		—		—		—		(122,500)		—		6,778		(115,722)
PSU distribution equivalent rights	—		—	—		—		—		—		(65)		—		—		(65)
Other comprehensive income (loss), net of tax	—		—	—		—		—		(2,248)		—		—		—		(2,248)
Share-based compensation	—		—	—		—		4,465		—		—		—		—		4,465
Share issuance	—		—	148		7		12,865		—		—		—		—		12,872
Accrued distribution on redeemable noncontrolling interest in subsidiary	—		—	—		—		—		—		(2,356)		—		—		(2,356)
Other	—		—	2		—		(66)		—		—		—		—		(66)
As of September 30, 2021	—	$	—	9,331	$	466	$	3,450,408	$	(10,872)	$	(1,415,230)	$	(1,315,751)	$	124,802	$	833,823

7

	Mandatory Convertible						Capital		Accumulated
	Preferred Shares			Common Shares			in Excess		Other						Non-
		Par			Par		of Par		Comprehensive		Retained		Treasury		controlling		Total
(In thousands, except per share amounts)	Shares	Value		Shares	Value		Value		Income		Earnings		Shares		Interest		Equity
As of December 31, 2019	5,613	$	6	8,324	$	416	$	3,412,972	$	(11,788)	$	(104,775)	$	(1,314,020)	$	67,354	$	2,050,165
Net income (loss)	—		—	—		—		—		—		(697,404)		—		38,437		(658,967)
Dividends to common shareholders ($0.01 per share)	—		—	—		—		—		—		(3,633)		—		—		(3,633)
Dividends to preferred shareholders ($2.25 per share)	—		—	—		—		—		—		(10,958)		—		—		(10,958)
Other comprehensive income (loss), net of tax	—		—	—		—		—		(6,842)		—		—		—		(6,842)
Repurchase preferred shares	(743)		(1)	—		—		(12,126)		—		—		(1,731)		—		(13,858)
Share-based compensation	—		—	—		—		20,170		—		—		—		—		20,170
Noncontrolling interest contributions (distributions)	—		—	—		—		—		—		—		—		(2,032)		(2,032)
Accrued distribution on redeemable noncontrolling interest in subsidiary	—		—	—		—		—		—		(13,092)		—		—		(13,092)
Other	—		—	61		3		(1,549)		—		—		—		357		(1,189)
As of September 30, 2020	4,870	$	5	8,385	$	419	$	3,419,467	$	(18,630)	$	(829,862)	$	(1,315,751)	$	104,116	$	1,359,764
As of December 31, 2020	4,870	$	5	8,383	$	419	$	3,423,935	$	(11,124)	$	(946,100)	$	(1,315,751)	$	105,424	$	1,256,808
Net income (loss)	—		—	—		—		—		—		(455,595)		—		21,168		(434,427)
PSU distribution equivalent rights	—		—	—		—		—		—		(75)		—		—		(75)
Dividends to preferred shareholders ($0.75 per share)	—		—	—		—		—		—		(3,653)		—		—		(3,653)
Issuance of warrants on common shares	—		—	—		—		—		—		(2,719)		—		—		(2,719)
Other comprehensive income (loss), net of tax	—		—	—		—		—		252		—		—		—		252
Noncontrolling interest contributions (distributions)	—		—	—		—		—		—		—		—		(1,790)		(1,790)
Share issuance	—		—	148		7		12,865		—		—		—		—		12,872
Share-based compensation	—		—	—		—		15,205		—		—		—		—		15,205
Conversion of preferred shares	(4,870)		(5)	668		34		(34)		—		—		—		—		(5)
Accrued distribution on redeemable noncontrolling interest in subsidiary	—		—	—		—		—		—		(7,088)		—		—		(7,088)
Other	—		—	132		6		(1,563)		—		—		—		—		(1,557)
As of September 30, 2021	—	$	—	9,331	$	466	$	3,450,408	$	(10,872)	$	(1,415,230)	$	(1,315,751)	$	124,802	$	833,823

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

8

Nabors Industries Ltd. and Subsidiaries

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

Note 1 General

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

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

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

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

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

Fiscal Year 2021 Disposition

In July 2021, we closed on the sale of our Canada Drilling segment assets for approximately $94.0 million. These assets included our fleet of 35 land-based drilling rigs and related equipment and property. This transaction did not represent a strategic shift in our operations and will not have a major effect on our operations and financial results going forward.

Note 2 Summary of Significant Accounting Policies

Interim Financial Information

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

Principles of Consolidation

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

In addition to the consolidation of our majority owned subsidiaries, we also consolidate variable interest entities (“VIE”) when we are determined to be the primary beneficiary of a VIE. Determination of the primary beneficiary of a VIE is based on whether an entity has (1) the power to direct activities that most significantly impact the economic performance of the VIE and (2) the obligation to absorb losses or the right to receive benefits of the VIE that could

9

potentially be significant to the VIE. Our joint venture, SANAD, which is equally owned by Saudi Aramco and Nabors, has been consolidated. As we have the power to direct activities that most significantly impact SANAD’s economic performance, including operations, maintenance and certain sourcing and procurement, we have determined Nabors to be the primary beneficiary. See Note 3—Joint Ventures.

Prior Period Revision

During the preparation of our consolidated financial statements for the three and nine months ended September 30, 2021, we identified an error in the presentation of the number of common shares in our previously issued Consolidated Statements of Changes in Equity.  The error resulted from our presentation of the 1-for-50 reverse stock split approved by our shareholders on April 20, 2020 (the “Reverse Stock Split”), as a reduction in the number of shares outstanding during the quarter ended June 30, 2020, rather than retrospectively adjusting all common share quantities presented in all Consolidated Statements of Changes in Equity issued subsequent to the Reverse Stock Split as required under U.S. GAAP.  The errors only impacted the presentation of common share quantities in our Consolidated Statements of Changes in Equity, and had no impact on amounts presented for Weighted-average number of common shares outstanding, Earnings (losses) per share, Par Value, Capital in Excess of Par Value, or Total Equity; or on our financial position, results of operations or cash flow.  

We have assessed the presentation errors described above and concluded they are not material to our previously issued consolidated financial statements for any impacted period.  However, management has elected to revise previously issued financial statements to properly present common share quantities presented in our previously issued Consolidated Statements of Changes in Equity included herein to appropriately reflect the Reverse Stock Split, and will be similarly revised in future filings, as applicable. The remaining impacted comparative periods in 2020 and 2021 not presented herein will be revised, as applicable, in future filings.  

Inventory

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

	September 30,		December 31,
	2021		2020
	(In thousands)
Raw materials	$	109,304	$	133,424
Work-in-progress		6,084		3,452
Finished goods		21,604		23,709
	$	136,992	$	160,585

Recently Adopted Accounting Pronouncements

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

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

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Note 3 Joint Ventures

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

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

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

	September 30,		December 31,
	2021		2020
	(In thousands)
Assets:
Cash and cash equivalents	$	322,461	$	368,981
Accounts receivable		70,383		79,711
Other current assets		9,047		17,148
Property, plant and equipment, net		467,606		428,331
Other long-term assets		20,128		2,590
Total assets	$	889,625	$	896,761
Liabilities:
Accounts payable	$	72,508	$	61,808
Accrued liabilities		11,635		18,791
Other long-term liabilities		18,967		—
Total liabilities	$	103,110	$	80,599

Note 4 Accounts Receivable Sales Agreement

The Company has entered into accounts receivable agreements (the “A/R Agreements”) to sell short-term receivables from certain customer trade accounts to an unaffiliated financial institution on a revolving basis. In July 2021, we entered into the First Amendment which reduced the commitments of the third-party financial institutions (the “Purchasers”) from $250 million to $150 million and extended the term of the agreements by two years to August 13, 2023.

As part of the A/R Agreements, the Company continuously sells designated pools of receivables as they are originated by it and certain U.S. subsidiaries to a separate bankruptcy-remote, special purpose entity (“SPE”).  The SPE in turn sells, transfers, conveys and assigns to the Purchasers all the rights, title and interest in and to its pool of eligible receivables. The sale of these receivables qualified for sale accounting treatment in accordance with ASC 860. During the period of this program, cash receipts from the Purchasers at the time of the sale are classified as operating activities in our consolidated statement of cash flows and the associated receivables are derecognized from the Company’s condensed consolidated balance sheet at the time of the sale. Subsequent collections on the pledged receivables, which have not been sold, will be classified as operating cash flows in our consolidated statement of cash flows at the time of collection.  The

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remaining receivables held by the SPE were pledged to secure the collectability of the sold receivables. The amount of receivables pledged as collateral as of September 30, 2021 and December 31, 2020 is approximately $41.8 million and $63.1 million, respectively.

The amount available for sale to the Purchasers under the A/R Agreements fluctuates over time based on the total amount of eligible receivables generated during the normal course of business after excluding excess concentrations and certain other ineligible receivables. As of September 30, 2021, approximately $96.0 million had been sold to and as yet uncollected by the Purchasers. As of December 31, 2020, the corresponding number was approximately $54.0 million.

Note 5 Debt

Debt consisted of the following:

	September 30,		December 31,
	2021		2020
	(In thousands)
4.625% senior notes due September 2021 (1)	$	—	$	86,329
5.50% senior notes due January 2023		24,446		28,443
5.10% senior notes due September 2023		91,962		121,077
0.75% senior exchangeable notes due January 2024		256,779		279,700
5.75% senior notes due February 2025		577,458		610,818
6.50% senior priority guaranteed notes due February 2025		50,485		50,485
9.00% senior priority guaranteed notes due February 2025		218,082		192,032
7.25% senior guaranteed notes due January 2026		559,978		559,978
7.50% senior guaranteed notes due January 2028		389,609		389,609
2018 revolving credit facility (2)		925,000		672,500
		3,093,799		2,990,971
Less: deferred financing costs		18,279		22,270
Long-term debt	$	3,075,520	$	2,968,701

(1) The 4.625% senior notes due September 2021 were classified as long-term as of December 31, 2020 because we had the ability and intent to repay this obligation utilizing our 2018 Revolving Credit Facility.

(2) Subsequent to September 30, 2021, we have repaid approximately $335.0 million of the 2018 revolving credit facility with cash on hand.

During the nine months ended September 30, 2021, we repurchased $67.6 million aggregate principal amount of various outstanding Nabors Delaware’s notes for approximately $57.4 million in cash, including principal and $1.2 million in accrued and unpaid interest. In connection with these repurchases, we recognized a net gain of approximately $10.7 million for the nine months ended September 30, 2021 which is included in Other, net in our condensed consolidated statement of income (loss).

During the three months ended September 30, 2021, we repaid the remaining balance of $82.5 million aggregate principal amount outstanding on our 4.625% senior notes due September 2021.

Exchange Transactions

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

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

We recorded a minimal gain in connection with the exchange transactions, which was accounted for in accordance with ASC 470-60, Troubled Debt Restructuring by Debtors. Under ASC 470-60, a gain is recorded in an amount equal to the sum of the future undiscounted payments (principal and interest) related to the new Exchange Notes plus the costs

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incurred in connection with the transaction, less the carrying value of the notes that were exchanged. In relation to the transactions, we recorded $9.4 million related to future contractual interest payments on the new Exchange Notes and have included this amount in accrued liabilities and other long-term liabilities.

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

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

0.75% Senior Exchangeable Notes Due January 2024

In January 2017, Nabors Delaware issued $575.0 million in aggregate principal amount of 0.75% exchangeable senior unsecured notes due 2024, which are fully and unconditionally guaranteed by Nabors. The notes bear interest at a rate of 0.75% per year payable semiannually on January 15 and July 15 of each year, beginning on July 15, 2017. As of September 30, 2021, there was approximately $256.8 million in aggregate principal amount that remained outstanding.

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

2018 Revolving Credit Facility

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

In September 2020, Amendment No. 4 was entered into in order to revise certain of the covenant and collateral requirements under the 2018 Revolving Credit Facility. Amendment No. 4 provides the Lenders with a first lien security interest in certain drilling rigs located in the U.S. and Canada and replaced the prior covenant to maintain net funded debt at no greater than 5.5 times EBITDA with a new covenant to maintain minimum liquidity of no less than $160.0 million at any time. Minimum liquidity is defined to mean, generally, a consolidated cash balance consisting of (a) the aggregate amount of unrestricted cash and cash equivalents maintained in a deposit account U.S. or Canadian branch of a commercial bank, plus (b) the lesser of $75 million or an amount equal to 75% of the aggregate amount of unrestricted cash and cash equivalents held in deposit account of a commercial bank outside of the U.S. or Canada, plus (c) available commitments under the 2018 Revolving Credit Facility. Additionally, the “asset to debt coverage” ratio was revised such that during any period in which Nabors Delaware fails to maintain an investment grade rating from at least two

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ratings agencies, the guarantors under the facility and their respective subsidiaries will be required to maintain an asset to debt coverage of at least 4.25:1, which was the case as of the date of this report. On July 29, 2021, in connection with the closing of the sale of substantially all of our Canada Drilling assets, we entered into a Canadian Amending Agreement with the Canadian Lender under which we repaid all outstanding loans owed to the Canadian Lender under the 2018 Revolving Credit Facility, the first lien security interest in the Canada Drilling assets was released and the commitments of the Canadian Lender under the 2018 Revolving Credit Facility were terminated.

As of September 30, 2021, we had $925.0 million outstanding under our 2018 Revolving Credit Facility and the net book value of the collateralized assets under the 2018 Revolving Credit Facility was $1.23 billion. The weighted average interest rate on borrowings under the 2018 Revolving Credit Facility at September 30, 2021 was 3.72%. In order to make any future borrowings under the 2018 Revolving Credit Facility, Nabors and certain of its wholly owned subsidiaries are subject to compliance with the conditions and covenants contained therein, including compliance with applicable financial ratios.

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

Note 6 Shareholders’ Equity

Common shares

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

On July 19, 2021, we issued 147,974 shares, valued at approximately $12.9 million, in connection with the purchase of certain development stage technologies in the energy transition space. Of the shares issued, 71,280 shares are forfeitable if certain milestones are not achieved over the next two years.

Common stock warrants

On May 27, 2021, the Board declared a distribution to holders of the Company’s common shares of warrants to purchase its common shares (the “Warrants”). Holders of Nabors common shares received two-fifths of a warrant per common share held as of the record date (rounded down for any fractional warrant). Nabors issued approximately 3.2 million warrants on June 11, 2021 to shareholders of record as of June 4, 2021.

Each Warrant represents the right to purchase one common share at an initial exercise price of $166.66667 per Warrant, subject to certain adjustments (the “Exercise Price”). In addition, Warrants submitted for exercise may be eligible to receive an additional one-third common share due to the incentive share component. The incentive share is an extra amount of common shares that Nabors will award when the volume weighted average price of Nabors’ common shares on the day before any Warrant holder exercises its Warrants multiplied by three is at least 6% higher than the sum of the volume weighted average prices of Nabors’ common shares on each of the second, third and fourth days before any Warrant holder exercises its Warrants. Payment for common shares on exercise of Warrants may be in (i) cash or

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(ii)“Designated Notes,” which the Company initially defines as (a) Nabors Delaware’s (i) 5.10% Notes due 2023, (ii) 0.75% Exchangeable Notes due 2024, (iii) 5.75% Notes due 2025 and (b) the Company’s 7.25% Notes due 2026, subject to compliance with applicable procedures with respect to the delivery of the Warrants and Designated Notes. The Exercise Price and the number of common shares issuable upon exercise are subject to anti-dilution adjustments, including for share dividends, splits, subdivisions, spin-offs, consolidations, reclassifications, combinations, noncash distributions, cash dividends (other than regular quarterly cash dividends not exceeding a permitted threshold amount), certain pro rata shares repurchases, and similar transactions, including certain issuances of common shares (or securities exercisable or convertible into or exchangeable for common shares) at a price (or having a conversion price) that is less than 95% of the market price of the common shares. The Warrants expire on June 11, 2026, but the expiration date may be accelerated at any time by the Company upon 20-days’ prior notice. The Company has listed the Warrants on the over-the-counter market.

The common stock warrants are recognized as derivative liabilities in accordance with ASC 815-40. Accordingly, the Company recognizes the warrant instruments as liabilities at fair value and adjusts the instruments to fair value at each reporting period. The liabilities are subject to re-measurement at each balance sheet date until exercised, and any change in fair value is recognized in the Company’s statement of operations. The fair value of the Warrants was initially measured at fair value using a Monte Carlo pricing model and subsequently, the fair value of the Warrants have been estimated using a Monte Carlo pricing model at each measurement date. At distribution, the fair value of the Warrants was $2.7 million. At September 30, 2021, the fair value of the Warrants was approximately $0.1 million and $2.6 million of gain has been recognized during 2021 for the decrease in liability.

Note 7 Fair Value Measurements

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

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

Under the fair value hierarchy:

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

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

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

Recurring Fair Value Measurements

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

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the grant date for a maturity similar to the expected remaining life of the warrants. The expected life of the warrants is based on the Company’s ability to initiate expiration, subject to a 20 business day notice period.

Nonrecurring Fair Value Measurements

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

Fair Value of Financial Instruments

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

		September 30, 2021				December 31, 2020
		Carrying		Fair		Carrying		Fair
		Value		Value		Value		Value
	(In thousands)
4.625% senior notes due September 2021		$	—	$	—	$	86,329	$	78,862
5.50% senior notes due January 2023			24,446		24,117		28,443		18,768
5.10% senior notes due September 2023			91,962		90,284		121,077		78,435
0.75% senior exchangeable notes due January 2024			256,779		253,182		279,700		169,458
5.75% senior notes due February 2025			577,458		534,270		610,818		318,871
6.50% senior priority guaranteed notes due February 2025			50,485		50,102		50,485		44,059
9.00% senior priority guaranteed notes due February 2025			218,082		226,116		192,032		185,221
7.25% senior guaranteed notes due January 2026			559,978		544,730		559,978		396,106
7.50% senior guaranteed notes due January 2028			389,609		370,483		389,609		267,369
2018 revolving credit facility			925,000		925,000		672,500		672,500
		$	3,093,799	$	3,018,284	$	2,990,971	$	2,229,649
Less: deferred financing costs			18,279				22,270
		$	3,075,520			$	2,968,701

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

Note 8 Commitments and Contingencies

Contingencies

Income Tax

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

In certain jurisdictions we have recognized deferred tax assets and liabilities. Judgment and assumptions are required in determining whether deferred tax assets will be fully or partially utilized. When we estimate that all or some portion of certain deferred tax assets such as net operating loss carryforwards will not be utilized, we establish a valuation allowance for the amount we determine to be more likely than not unrealizable. We continually evaluate strategies that could allow for future utilization of our deferred assets. Any change in the ability to utilize such deferred assets will be accounted for in the period of the event affecting the valuation allowance. If facts and circumstances cause

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us to change our expectations regarding future tax consequences, the resulting adjustments could have a material effect on our financial results or cash flow. At this time, we consider it more likely than not that we will have sufficient taxable income in the future that will allow us to realize the deferred tax assets that we have recognized. However, it is possible that some of our recognized deferred tax assets, relating to net operating loss carryforwards, could expire unused or could carryforward indefinitely without utilization. Therefore, unless we are able to generate sufficient taxable income from our component operations, a substantial valuation allowance to reduce our deferred tax assets may be required, which would materially increase our tax expense in the period the allowance is recognized and materially adversely affect our results of operations and statement of financial condition.

Litigation

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

In March 2011, the Court of Ouargla entered a judgment of approximately $20.7 million (at September 30, 2021 exchange rates) against us relating to alleged violations of Algeria’s foreign currency exchange controls, which require that goods and services provided locally be invoiced and paid in local currency. The case relates to certain foreign currency payments made to us by CEPSA, a Spanish operator, for wells drilled in 2006. Approximately $7.5 million of the total contract amount was paid offshore in foreign currency, and approximately $3.2 million was paid in local currency. The judgment includes fines and penalties of approximately four times the amount at issue. We have appealed the ruling based on our understanding that the law in question applies only to resident entities incorporated under Algerian law. An intermediate court of appeals upheld the lower court’s ruling, and we appealed the matter to the Supreme Court. On September 25, 2014, the Supreme Court overturned the verdict against us, and the case was reheard by the Ouargla Court of Appeals on March 22, 2015 in light of the Supreme Court’s opinion. On March 29, 2015, the Ouargla Court of Appeals reinstated the initial judgment against us. We appealed this decision again to the Supreme Court and the Court has annulled the decision of the Ouargla Court of Appeals.  Accordingly, the case was sent back to the Court of Ouargla for further proceedings on October 10, 2021 consistent with the Supreme Court’s ruling. While our payments were consistent with our historical operations in the country, and, we believe, those of other multinational corporations there, as well as interpretations of the law by the Central Bank of Algeria, the ultimate resolution of this matter could result in a loss of up to $12.7 million in excess of amounts accrued.

Following a routine audit conducted in May and June of 2018 by the Atyrau Oblast Ecology Department (the “AOED”), our joint venture in Kazakhstan, KMG Nabors Drilling Company (“KNDC”), was administratively fined for not having emissions permits for KNDC owned or leased equipment, due to a change in interpretation by the AOED that the owner/lessor of the equipment that emits the pollutants must have its own permits.  Administrative fines of $0.8 million were paid by KNDC for such violations. AOED also assessed additional “environmental damages” in the amount of $3.4 million for the period. KNDC appealed and, ultimately, the Supreme Court ruled in KNDC’s favor on July 21, 2021, terminating the administrative case for lack of evidence. With the potential for additional damages for later year audits, KNDC and the operator have executed an agreement formalizing the operator’s obligation to reimburse KNDC for many of the financial expenses related to this case as well as penalties and expenses related to future audit periods.  Since 2019, KNDC holds its own permits. Another audit by AOED was performed for the second half of 2018, but KNDC continues to appeal this decision in the same manner as the prior audit.  Meanwhile, KNDC received notice from government officials that certain of our employees may be held personally responsible, but considering the numerous court proceedings, the governmental officials temporarily suspended any criminal investigations. We continue to be engaged and are monitoring the situation.

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Off-Balance Sheet Arrangements (Including Guarantees)

We are a party to some transactions, agreements or other contractual arrangements defined as “off-balance sheet arrangements” that could have a material future effect on our financial position, results of operations, liquidity and capital resources. The most significant of these off-balance sheet arrangements include the A/R Facility (see Note 4—Accounts Receivable Sales Agreement) and certain agreements and obligations under which we provide financial or performance assurance to third parties. Certain of these financial or performance assurances serve as guarantees, including standby letters of credit issued on behalf of insurance carriers in conjunction with our workers’ compensation insurance program and other financial surety instruments such as bonds. In addition, we have provided indemnifications, which serve as guarantees, to some third parties. These guarantees include indemnification provided by Nabors to our share transfer agent and our insurance carriers. We are not able to estimate the potential future maximum payments that might be due under our indemnification guarantees.

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

	Maximum Amount
	2021		2022	2023	Thereafter	Total
	(In thousands)
Financial standby letters of credit and other financial surety instruments	$	45,889	140,828	112	50	$	186,879

Note 9 Earnings (Losses) Per Share

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

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

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

18

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

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2021		2020		2021		2020
	(In thousands, except per share amounts)
BASIC EPS:
Net income (loss) (numerator):
Income (loss) from continuing operations, net of tax		$	(115,702)	$	(146,682)	$	(434,434)	$	(658,919)
Less: net (income) loss attributable to noncontrolling interest			(6,778)		(10,805)		(21,168)		(38,437)
Less: preferred stock dividends			—		(3,653)		(3,653)		(10,958)
Less: accrued distribution on redeemable noncontrolling interest in subsidiary			(2,356)		(4,353)		(7,088)		(13,092)
Less: distributed and undistributed earnings allocated to unvested shareholders			—		—		—		(125)
Numerator for basic earnings per share:
Adjusted income (loss) from continuing operations, net of tax - basic		$	(124,836)	$	(165,493)	$	(466,343)	$	(721,531)
Income (loss) from discontinued operations, net of tax		$	(20)	$	22	$	7	$	(48)
Weighted-average number of shares outstanding - basic			7,907		7,064		7,490		7,056
Earnings (losses) per share:
Basic from continuing operations		$	(15.79)	$	(23.42)	$	(62.26)	$	(102.25)
Basic from discontinued operations			—		—		—		(0.01)
Total Basic		$	(15.79)	$	(23.42)	$	(62.26)	$	(102.26)
DILUTED EPS:
Adjusted income (loss) from continuing operations, net of tax - basic		$	(124,836)	$	(165,493)	$	(466,343)	$	(721,531)
Add: effect of reallocating undistributed earnings of unvested shareholders			—		—		—		—
Adjusted income (loss) from continuing operations, net of tax - diluted		$	(124,836)	$	(165,493)	$	(466,343)	$	(721,531)
Income (loss) from discontinued operations, net of tax		$	(20)	$	22	$	7	$	(48)
Weighted-average number of shares outstanding - basic			7,907		7,064		7,490		7,056
Add: dilutive effect of potential common shares			—		—		—		—
Weighted-average number of shares outstanding - diluted			7,907		7,064		7,490		7,056
Earnings (losses) per share:
Diluted from continuing operations		$	(15.79)	$	(23.42)	$	(62.26)	$	(102.25)
Diluted from discontinued operations			—		—		—		(0.01)
Total Diluted		$	(15.79)	$	(23.42)	$	(62.26)	$	(102.26)

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

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		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2021		2020		2021		2020
	(In thousands)
Potentially dilutive securities excluded as anti-dilutive			22		36		33		57

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

Note 10 Impairments and Other Charges

The components of impairments and other charges are provided below:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
	(in thousands)
Goodwill impairments	$	—	$	—	$	—	$	27,798
Intangible asset impairment		—		—		—		83,625
US Drilling		—		—		—		87,333
Canada Drilling		545		—		58,545		—
International Drilling		—		544		215		63,620
Drilling Solutions		—		(17)		—		28,624
Rig Technologies		—		(182)		418		2,526
Oil and gas related assets		—		—		—		12,286
Severance and transaction related costs		2,324		4,779		4,916		16,614
Other assets		199		(107)		1,325		16,877
Total	$	3,068	$	5,017	$	65,419		339,303

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

For the three and nine months ended September 30, 2021

Canada Drilling

During the nine months ended September 30, 2021, we recognized an impairment of $58.5 million related to the sale of the Canada Drilling assets in July 2021.

Severance and transaction related costs

During the nine months ended September 30, 2021, we recognized charges of $4.9 million due to severance and reorganization costs due to ongoing cost cutting and consolidation measures that we enacted in response to the challenging industry environment.

20

For the three and nine months ended September 30, 2020

Goodwill impairments

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

Intangible asset impairments

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

US Drilling

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

International Drilling

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

During the second quarter of 2020, we wrote off all the remaining value on our rig and drilling-related equipment in Venezuela due to our lack of work in the country and limited visibility to any possibility of further work. This resulted in a charge of $32.6 million.

Drilling Solutions

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

Rig Technologies

As a result of our periodic analysis on inventories for our Rig Technologies segment, we recorded a $2.5 million provision for obsolescence.

21

Oil & gas related assets

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

Severance and transaction related costs

During the nine months ended September 30, 2020, we recognized charges of $16.6 million due to severance and other related costs incurred to right-size our cost structure.

Other assets

We wrote down or provided for $16.9 million of certain other assets including receivables related to our operations. The charges were primarily attributable to markets which have been adversely impacted by foreign sanctions or other political risk issues as well as bankruptcies or other financial problems.

Note 11 Supplemental Balance Sheet and Income Statement Information

Accrued liabilities included the following:

	September 30,		December 31,
	2021		2020
	(In thousands)
Accrued compensation	$	66,706	$	82,462
Deferred revenue and proceeds on insurance and asset sales		63,824		61,473
Other taxes payable		31,870		28,602
Workers’ compensation liabilities		7,788		7,788
Interest payable		40,340		62,935
Litigation reserves		14,676		13,976
Dividends declared and payable		—		3,653
Other accrued liabilities		10,152		15,196
	$	235,356	$	276,085

Investment income (loss) includes the following:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
	(In thousands)
Interest and dividend income	$	211	$	177	$	1,214	$	3,781
Gains (losses) on marketable securities		(11)		(919)		187		(5,685)
	$	200	$	(742)	$	1,401	$	(1,904)

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Other, net included the following:

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2021		2020		2021		2020
	(In thousands)
Losses (gains) on sales, disposals and involuntary conversions of long-lived assets		$	(168)	$	3,324	$	17,320	$	5,752
Purchase of technology			14,733		—		14,733		—
Litigation expenses and reserves			2,603		621		5,944		2,733
Foreign currency transaction losses (gains)			867		9,295		3,394		11,377
(Gain) loss on debt buyback			(2,521)		(14,170)		(10,706)		(65,848)
Other losses (gains)			4,176		505		455		(2,344)
		$	19,690	$	(425)	$	31,140	$	(48,330)

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

	Gains		Defined
	(losses) on		benefit		Foreign
	cash flow		pension plan		currency
	hedges		items		items		Total
	(In thousands (1) )
As of January 1, 2020	$	(65)	$	(3,778)	$	(7,945)	$	(11,788)
Other comprehensive income (loss) before reclassifications		—		—		(7,029)		(7,029)
Amounts reclassified from accumulated other comprehensive income (loss)		67		120		—		187
Net other comprehensive income (loss)		67		120		(7,029)		(6,842)
As of September 30, 2020	$	2	$	(3,658)	$	(14,974)	$	(18,630)

(1) All amounts are net of tax.

	Gains		Defined
	(losses) on		benefit		Foreign
	cash flow		pension plan		currency
	hedges		items		items		Total
	(In thousands (1) )
As of January 1, 2021	$	2	$	(3,616)	$	(7,510)	$	(11,124)
Other comprehensive income (loss) before reclassifications		—		(1,900)		2,032		132
Amounts reclassified from accumulated other comprehensive income (loss)		—		120		—		120
Net other comprehensive income (loss)		—		(1,780)		2,032		252
As of September 30, 2021	$	2	$	(5,396)	$	(5,478)	$	(10,872)

(1) All amounts are net of tax.

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

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2021		2020		2021		2020
	(In thousands)
Interest expense		$	—	$	(124)	$	—	$	160
General and administrative expenses			52		52		156		156
Total income (loss) from continuing operations before income tax			(52)		72		(156)		(316)
Tax expense (benefit)			(12)		(35)		(36)		(129)
Reclassification adjustment for (gains)/ losses included in net income (loss)		$	(40)	$	107	$	(120)	$	(187)

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Note 12 Segment Information

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

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2021		2020		2021		2020
	(In thousands)
Operating revenues:
U.S. Drilling		$	173,441	$	130,243	$	477,346	$	578,928
Canada Drilling			6,034		10,774		39,336		39,929
International Drilling			270,008		248,392		772,128		886,580
Drilling Solutions			45,880		29,324		120,697		117,837
Rig Technologies			42,053		28,466		102,353		104,198
Other reconciling items (1)			(13,251)		(8,847)		(37,851)		(36,825)
Total		$	524,165	$	438,352	$	1,474,009	$	1,690,647

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2021		2020		2021		2020
	(In thousands)
Adjusted operating income (loss): (2)
U.S. Drilling		$	(19,700)	$	(39,162)	$	(63,905)	$	(69,961)
Canada Drilling			1,371		(3,507)		2,670		(9,265)
International Drilling			(7,297)		(16,872)		(34,368)		(20,743)
Drilling Solutions			8,607		(3,583)		19,841		8,699
Rig Technologies			1,926		(1,807)		(1,335)		(11,450)
Total segment adjusted operating income (loss)		$	(15,093)	$	(64,931)	$	(77,097)	$	(102,720)

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2021		2020		2021		2020
	(In thousands)
Reconciliation of segment adjusted operating income (loss) to net income (loss) from continuing operations before income taxes:
Total segment adjusted operating income (loss) (2)		$	(15,093)	$	(64,931)	$	(77,097)	$	(102,720)
Other reconciling items (3)			(33,050)		(27,709)		(98,045)		(86,547)
Investment income (loss)			200		(742)		1,401		(1,904)
Interest expense			(42,217)		(52,403)		(126,906)		(158,331)
Impairments and other charges			(3,068)		(5,017)		(65,419)		(339,303)
Other, net			(19,690)		425		(31,140)		48,330
Income (loss) from continuing operations before income taxes		$	(112,918)	$	(150,377)	$	(397,206)	$	(640,475)

	September 30,		December 31,
	2021		2020
	(In thousands)
Total assets:
U.S. Drilling	$	1,675,517	$	1,871,008
Canada Drilling		11,468		174,123
International Drilling		2,442,054		2,688,912
Drilling Solutions		76,041		100,278
Rig Technologies		200,814		225,954
Other reconciling items (3)		768,932		443,153
Total	$	5,174,826	$	5,503,428

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

24

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

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

Note 13 Revenue Recognition

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

Disaggregation of revenue

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

	Three Months Ended
	September 30, 2021
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	132,639	$	—	$	—	$	26,917	$	17,040	$	—	$	176,596
U.S. Offshore Gulf of Mexico		35,063		—		—		1,634		—		—		36,697
Alaska		5,739		—		—		163		1		—		5,903
Canada		—		6,034		—		340		1,046		—		7,420
Middle East & Asia		—		—		179,617		10,872		20,678		—		211,167
Latin America		—		—		70,692		5,564		—		—		76,256
Europe, Africa & CIS		—		—		19,699		390		3,288		—		23,377
Eliminations & other		—		—		—		—		—		(13,251)		(13,251)
Total	$	173,441	$	6,034	$	270,008	$	45,880	$	42,053	$	(13,251)	$	524,165

	Nine Months Ended
	September 30, 2021
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	363,536	$	—	$	—	$	66,801	$	45,025	$	—	$	475,362
U.S. Offshore Gulf of Mexico		95,222		—		—		6,192		—		—		101,414
Alaska		18,588		—		—		484		14		—		19,086
Canada		—		39,336		—		998		3,329		—		43,663
Middle East & Asia		—		—		522,142		29,320		43,334		—		594,796
Latin America		—		—		184,531		15,788		176		—		200,495
Europe, Africa & CIS		—		—		65,455		1,114		10,475		—		77,044
Eliminations & other		—		—		—		—		—		(37,851)		(37,851)
Total	$	477,346	$	39,336	$	772,128	$	120,697	$	102,353	$	(37,851)	$	1,474,009

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	Three Months Ended
	September 30, 2020
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	96,433	$	—	$	—	$	15,769	$	10,220	$	—	$	122,422
U.S. Offshore Gulf of Mexico		26,943		—		—		2,011		—		—		28,954
Alaska		6,867		—		—		66		2		—		6,935
Canada		—		10,774		—		187		515		—		11,476
Middle East & Asia		—		—		176,617		10,096		13,869		—		200,582
Latin America		—		—		43,881		902		15		—		44,798
Europe, Africa & CIS		—		—		27,894		293		3,845		—		32,032
Eliminations & other		—		—		—		—		—		(8,847)		(8,847)
Total	$	130,243	$	10,774	$	248,392	$	29,324	$	28,466	$	(8,847)	$	438,352

	Nine Months Ended
	September 30, 2020
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	445,478	$	—	$	—	$	70,805	$	42,860	$	—	$	559,143
U.S. Offshore Gulf of Mexico		102,681		—		—		7,044		—		—		109,725
Alaska		30,769		—		—		1,296		20		—		32,085
Canada		—		39,929		—		995		2,711		—		43,635
Middle East & Asia		—		—		571,108		31,630		46,003		—		648,741
Latin America		—		—		177,800		4,284		136		—		182,220
Europe, Africa & CIS		—		—		137,672		1,783		12,468		—		151,923
Eliminations & other		—		—		—		—		—		(36,825)		(36,825)
Total	$	578,928	$	39,929	$	886,580	$	117,837	$	104,198	$	(36,825)	$	1,690,647

Contract balances

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

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

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

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

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

			Contract		Contract		Contract		Contract
	Contract		Assets		Assets		Liabilities		Liabilities
	Receivables		(Current)		(Long-term)		(Current)		(Long-term)
	(In millions)
As of December 31, 2020	$	427.2	$	23.5	$	6.8	$	42.8	$	44.2
As of September 30, 2021	$	342.4	$	26.2	$	3.1	$	45.5	$	30.5

Approximately 42% of the contract liability balance at the beginning of the period is expected to be recognized as revenue during 2021, of which 24% was recognized during the nine months ended September 30, 2021, and 16% is expected to be recognized during 2022. The remaining 42% of the contract liability balance at the beginning of the period is expected to be recognized as revenue during 2023 or thereafter.

Additionally, 74% of the contract asset balance at the beginning of the period is expected to be recognized as expense during 2021, of which 59% was recognized during the nine months ended September 30, 2021, and 23% is expected to be recognized during 2022. The remaining 3% of the contract asset balance at the beginning of the period is expected to be recognized as expense during 2023 or thereafter. This disclosure does not include variable consideration allocated entirely to a wholly unsatisfied performance obligation or promise to transfer a distinct good or service that forms part of a single performance obligation.

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

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

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

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

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

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

● fluctuations in the demand for our services;

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

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

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

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

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

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

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

● our ability to retain skilled employees;

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

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

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

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

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

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

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

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

Management Overview

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

We are a leading provider of advanced technology for the energy industry. With operations in approximately 20 countries, Nabors has established a global network of people, technology and equipment to deploy solutions that deliver safe, efficient and sustainable energy production. By leveraging its core competencies, particularly in drilling, engineering, automation, data science and manufacturing, Nabors aims to innovate the future of energy and enable the transition to a lower carbon world.

Outlook

The demand for our products and services is a function of the level of spending by oil and gas companies for exploration, development and production activities. The level of exploration, development and production activities is to a large extent tied to the prices of oil and natural gas, which can fluctuate significantly, are highly volatile and tend to be highly sensitive to supply and demand cycles. Additionally, some oil and gas companies may intentionally limit their capital spending to a percentage of their operating cash flows which may differ from how they have historically made capital allocation decisions.

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

Recent Developments

Common stock warrants

On May 27, 2021, the Board declared a distribution to holders of the Company’s common shares of warrants to purchase its common shares (the “Warrants”). Holders of Nabors common shares received two-fifths of a warrant per common share held as of the record date (rounded down for any fractional warrant). Nabors issued approximately 3.2 million warrants on June 11, 2021 to shareholders of record as of June 4, 2021.

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

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

Canada Asset Sale

During the second quarter of 2021, Nabors entered into an agreement to sell the assets of its Canada Drilling segment for $117.5 million CAD (or approximately $94.0 million USD). The sale closed during July 2021.

Financial Results

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

Operating revenues for the three months ended September 30, 2021 totaled $524.2 million, representing an increase of $85.8 million, or 20%, compared to the three months ended September 30, 2020. All of our operating segments, with the exception of Canada Drilling due to its sale, experienced an increase in operating revenues over this period. For a more detailed description of operating results see Segment Results of Operations below.

Net loss from continuing operations attributable to Nabors common shareholders totaled $122.5 million ($15.79 per diluted share) for the three months ended September 30, 2021 compared to a net loss from continuing operations attributable to Nabors common shareholders of $161.1 million ($23.42 per diluted share) for the three months ended September 30, 2020, or a $38.7 million decrease in the net loss. The majority of the decrease in net loss is attributable to improved market conditions in all our segments from the prior year, together with lower depreciation and lower interest expense.

General and administrative expenses for the three months ended September 30, 2021 totaled $52.9 million, representing an increase of $6.7 million, or 15%, compared to the three months ended September 30, 2020. This is primarily reflective of temporary workforce cost reductions taken in the quarter ending September 30, 2020 due to industry market conditions that existed at that time, combined with a moderate increase in workforce since that period as market conditions have improved.

Research and engineering expenses for the three months ended September 30, 2021 totaled $9.5 million, representing an increase of $1.9 million, or 26%, compared to the three months ended September 30, 2020. This is primarily reflective of temporary workforce cost reductions taken in the quarter ending September 30, 2020 due to industry market conditions that existed at that time, combined with a moderate increase in workforce since that period as market conditions have improved.

Depreciation and amortization expense for the three months ended September 30, 2021 was $173.4 million, representing a decrease of $33.5 million, or 16%, compared to the three months ended September 30, 2020. The decrease is attributable to the combination of a reduction in depreciation as a result of the many assets that have recently reached the end of their useful lives and limited capital expenditures over recent years. The decrease is also due to the sale of Canada Drilling assets in July 2021.

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Segment Results of Operations

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

	Three Months Ended
	September 30,
	2021		2020		Increase/(Decrease)
U.S. Drilling
Operating revenues	$	173,441	$	130,243	$	43,198	33	%
Adjusted operating income (loss) (1)	$	(19,700)	$	(39,162)	$	19,462	50	%
Average rigs working (2)		72.6		53.4		19.2	36	%
Canada Drilling
Operating revenues	$	6,034	$	10,774	$	(4,740)	(44)	%
Adjusted operating income (loss) (1)	$	1,371	$	(3,507)	$	4,878	139	%
Average rigs working (2)		4.1		7.4		(3.3)	(45)	%
International Drilling
Operating revenues	$	270,008	$	248,392	$	21,616	9	%
Adjusted operating income (loss) (1)	$	(7,297)	$	(16,872)	$	9,575	57	%
Average rigs working (2)		67.0		71.3		(4.3)	(6)	%
Drilling Solutions
Operating revenues	$	45,880	$	29,324	$	16,556	56	%
Adjusted operating income (loss) (1)	$	8,607	$	(3,583)	$	12,190	340	%
Rig Technologies
Operating revenues	$	42,053	$	28,466	$	13,587	48	%
Adjusted operating income (loss) (1)	$	1,926	$	(1,807)	$	3,733	207	%

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

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

U.S. Drilling

Operating revenues for our U.S. Drilling segment increased by $43.2 million or 33% during the three months ended September 30, 2021 compared to the corresponding period in 2020. This increase was due to a 36% increase in the average rigs working, as market conditions and demand for our drilling services have rebounded and increased since the third quarter of 2020.

Canada Drilling

Operating revenues decreased by $4.7 million during the three months ended September 30, 2021 compared to the corresponding prior year period primarily due to the sale of the Canada Drilling assets in July 2021.

International Drilling

Operating revenues for our International Drilling segment increased by $21.6 million or 9% compared to the corresponding prior year period primarily due to proceeds received from an early termination in one of our markets during the quarter ended September 30, 2021.

Drilling Solutions

Operating revenues for this segment increased by $16.6 million or 56% during the three months ended September 30, 2021 compared to the corresponding period in 2020 as market conditions and demand for our services have rebounded and increased since the third quarter of 2020.

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Rig Technologies

Operating revenues for our Rig Technologies segment increased by $13.6 million or 48% during the three months ended September 30, 2021 compared to the corresponding period as market conditions and demand for our services have rebounded and increased since the third quarter of 2020.

Other Financial Information

Interest expense

Interest expense for the three months ended September 30, 2021 was $42.2 million, representing a decrease of $10.2 million, or 19%, compared to the three months ended September 30, 2020. The decrease was primarily due to debt restructuring and exchange transactions in the fourth quarter of 2020 and the first quarter of 2021 resulting in reduced interest expense.

Impairments and other charges

During the three months ended September 30, 2021, we recognized impairments and other charges of approximately $3.1 million which was primarily due to severance and reorganization costs of $2.3 million which were recognized due to ongoing cost cutting and consolidation measures that we have enacted in response to the challenging industry environment due to the COVID-19 pandemic.

During the three months ended September 30, 2020, we recognized impairments and other charges of approximately $5.0 million, which primarily consisted of severance and reorganization costs of $4.8 million due to significant reductions in our workforce and cost cutting measures that we enacted in response to the industry environment due to the COVID-19 pandemic.

Other, net

Other, net for the three months ended September 30, 2021 was $19.7 million of loss. Approximately $14.7 million of this amount related to costs incurred during the quarter on our energy transition initiatives, including the purchase of certain development stage technologies that were expensed. In addition, there was an increase in litigation reserves of $2.6 million, $1.5 million of loss on net derivative losses and $0.9 million in foreign currency loss.

Other, net for the three months ended September 30, 2020 was $0.4 million of income, which included a net gain on debt buybacks of $14.2 million. This was partially offset by net losses on sales and disposals of assets of approximately $3.3 million, foreign currency loss of $9.3 million and an increase in litigation reserves of $0.6 million.

Income taxes

Our worldwide tax expense for the three months ended September 30, 2021 was $2.8 million compared to a $3.7 million income tax benefit for the three months ended September 30, 2020. The increase in tax expense was primarily attributable to the improvement in income before income taxes and the geographic mix of our pre-tax earnings (losses).

Comparison of the nine months ended September 30, 2021 and 2020

Operating revenues for the nine months ended September 30, 2021 totaled $1.5 billion, representing a decrease of $216.6 million, or 13%, compared to the nine months ended September 30, 2020. Revenues declined across most of our operating segments due to the impact on our businesses brought on by the COVID-19 outbreak. Our U.S. and International Drilling segments were the two primary drivers, with revenue declines of 18% and 13%, respectively. Each of these segments experienced a decline in activity, as evidenced by the decline in average rigs working, as well as downward pricing pressure, from lower demand.  For a more detailed description of operating results see Segment Results of Operations, below.

Net loss from continuing operations attributable to Nabors common shareholders totaled $459.3 million ($62.26 per diluted share) for the nine months ended September 30, 2021 compared to a net loss from continuing operations attributable to Nabors common shareholders of $708.3 million ($102.25 per diluted share) for the nine months ended

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September 30, 2020, or a $249.1 million decrease in the net loss. The majority of the decrease in net loss is attributable to $339.3 million in various impairments and other charges recognized during the nine months ended September 30, 2020.

General and administrative expenses for the nine months ended September 30, 2021 totaled $159.1 million, representing an increase of $9.3 million, or 6%, compared to the nine months ended September 30, 2020. This is reflective of temporary workforce cost reductions taken in the prior year due to industry market conditions combined with a moderate increase in workforce as market conditions have improved.

Research and engineering expenses for the nine months ended September 30, 2021 totaled $24.9 million, representing a decrease of $1.3 million, or 5%, compared to the nine months ended September 30, 2020. The decrease is a result of cost control efforts across many of our research and engineering projects and initiatives due to current industry market conditions.

Depreciation and amortization expense for the nine months ended September 30, 2021 was $525.4 million, representing a decrease of $119.6 million, or 19%, compared to the nine months ended September 30, 2020. The decrease is attributable to the combination of a reduction in depreciation as a result of the many assets that have recently reached the end of their useful lives and limited capital expenditures over recent years. Impairment charges and retirement provisions recorded throughout 2020 also contributed to the decrease in the current period.

Segment Results of Operations

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

	Nine Months Ended
	September 30,
	2021		2020		Increase/(Decrease)
	(In thousands, except percentages and rig activity)
U.S. Drilling
Operating revenues	$	477,346	$	578,928	$	(101,582)	(18)	%
Adjusted operating income (loss) (1)	$	(63,905)	$	(69,961)	$	6,056	9	%
Average rigs working (2)		67.5		71.1		(3.6)	(5)	%
Canada Drilling
Operating revenues	$	39,336	$	39,929	$	(593)	(1)	%
Adjusted operating income (loss) (1)	$	2,670	$	(9,265)	$	11,935	129	%
Average rigs working (2)		8.6		8.8		(0.2)	(2)	%
International Drilling
Operating revenues	$	772,128	$	886,580	$	(114,452)	(13)	%
Adjusted operating income (loss) (1)	$	(34,368)	$	(20,743)	$	(13,625)	(66)	%
Average rigs working (2)		66.7		80.1		(13.4)	(17)	%
Drilling Solutions
Operating revenues	$	120,697	$	117,837	$	2,860	2	%
Adjusted operating income (loss) (1)	$	19,841	$	8,699	$	11,142	128	%
Rig Technologies
Operating revenues	$	102,353	$	104,198	$	(1,845)	(2)	%
Adjusted operating income (loss) (1)	$	(1,335)	$	(11,450)	$	10,115	88	%

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

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

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U.S. Drilling

Operating revenues for our U.S. Drilling segment decreased by $101.6 million or 18% during the nine months ended September 30, 2021 compared to the corresponding period in 2020 primarily due to a decrease in activity as reflected by a 5% decrease in the average number of rigs working. Pricing for our services has also been negatively affected by the decline in activity.

Canada Drilling

Operating revenues decreased by $0.6 million or 1% during the nine months ended September 30, 2021 compared to the corresponding prior year period primarily due to the sale of the Canada Drilling assets in July 2021.

International Drilling

Operating revenues for our International Drilling segment decreased by $114.5 million or 13% compared to the corresponding prior year period primarily due to reduced activity, as reflected by the 17% decrease in the average number of rigs working.

Drilling Solutions

Operating revenues for this segment increased by $2.9 million or 2% during the nine months ended September 30, 2021 compared to the corresponding period in 2020 primarily due to the increase in market activity and additional product offerings across the U.S. during 2021, relative to the prior year. The decline in activity for this segment in 2020 was more pronounced than the decline in our drilling segments, due to the nature of its operating contracts. As market conditions have improved in 2021, this also has allowed for a more pronounced rebound relative to our drilling segments.

Rig Technologies

Operating revenues for our Rig Technologies segment decreased by $1.8 million or 2% during the nine months ended September 30, 2021 compared to the corresponding period due to the overall decline in activity in the U.S. as mentioned previously. Despite a drop in revenues, this segment implemented significant cost reduction measures to mitigate the impact of the decline in revenue, such that adjusted operating income was up by $10.1 million.

Other Financial Information

Interest expense

Interest expense for the nine months ended September 30, 2021 was $126.9 million, representing a decrease of $31.4 million, or 20%, compared to the nine months ended September 30, 2020. The decrease was primarily due to debt restructuring and exchange transactions in the fourth quarter of 2020 and the first quarter of 2021 resulting in reduced interest expense.

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Impairments and other charges

During the nine months ended September 30, 2021, we recognized impairments and other charges of approximately $65.4 million, representing a decrease of $273.9 million compared to the nine months ended September 30, 2020. This decrease was due to impairments and write offs of long-lived assets of $194.4 million comprised of underutilized rigs and drilling-related equipment across all of our operating segments, impairments of $16.4 million for the remaining goodwill balance attributable to our Rig Technologies operating segment and $11.4 million for the remaining goodwill balance attributable to our Drilling Solutions operating segment recognized during the nine months ended September 30, 2020. Additionally, we recognized an impairment of $83.6 million to write off our remaining intangible assets during the prior year. Partially offsetting the 2020 amounts, we recognized an impairment to our Canada Drilling assets for $58.5 million during the nine months ended September 30, 2021.

Other, net

Other, net for the nine months ended September 30, 2021 was $31.1 million of loss, compared to $48.3 million in net gains during the nine months ended September 30, 2020. The $79.5 million difference between periods was primarily due to the difference in net gains on debt buybacks of $51.7 million, and $14.7 million related to costs incurred during the nine months ended September 30, 2021 on our energy transition initiatives, including the purchase of certain development stage technologies that were expensed.

Income taxes

Our worldwide tax expense for the nine months ended September 30, 2021 was $37.2 million compared to $18.4 million for the nine months ended September 30, 2020. The increase in tax expense was primarily attributable to a recorded liability for an uncertain tax position of $21.1 million in the nine months ended September 30, 2021.

Liquidity and Capital Resources

Financial Condition and Sources of Liquidity

Our primary sources of liquidity are cash and investments, availability under our revolving credit facility and cash generated from operations. As of September 30, 2021, we had cash and short-term investments of $771.9 million and working capital of $806.5 million. As of December 31, 2020, we had cash and short-term investments of $481.7 million and working capital of $616.0 million.

At September 30, 2021, we had $925.0 million of borrowings outstanding under the 2018 Revolving Credit Facility, which has a total borrowing capacity of $981.6 million. Subsequent to September 30, 2021, we have repaid approximately $335.0 million of the drawn balance with cash on hand.

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

As of the date of this report, we were in compliance with all covenants under the 2018 Revolving Credit Facility. If we fail to perform our obligations under the covenants, the revolving credit commitments under the 2018 Revolving Credit Facility could be terminated, and any outstanding borrowings under the facilities could be declared immediately due and payable. If necessary, we have the ability to manage our covenant compliance by taking certain actions including reductions in discretionary capital or other types of controllable expenditures, monetization of assets, amending or renegotiating the revolving credit agreement, accessing capital markets through a variety of alternative

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

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

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

	September 30,
	2021
	(In thousands)
Credit available	$	620,552
Less: Letters of credit outstanding, inclusive of financial and performance guarantees		83,240
Remaining availability	$	537,312

Accounts Receivable Sales Agreement

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

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

The amount available for purchase under the A/R Facility fluctuates over time based on the total amount of eligible receivables generated during the normal course of business after excluding excess concentrations and certain other ineligible receivables. The maximum purchase commitment of the Purchasers under the A/R Facility is approximately $150.0 million and the amount of receivables purchased by the Purchasers as of September 30, 2021 was $96.0 million.

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

Future Cash Requirements

Our current cash and investments, projected cash flows from operations, proceeds from equity or debt issuances and our revolving credit facility are expected to adequately finance our purchase commitments, capital expenditures,

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

Purchase commitments outstanding at September 30, 2021 totaled approximately $261.7 million, primarily for capital expenditures, other operating expenses and purchases of inventory. We can reduce planned expenditures if necessary or increase them if market conditions and new business opportunities warrant it. The level of our outstanding purchase commitments and our expected level of capital expenditures over the next 12 months represent a number of capital programs that are currently underway or planned.

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

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

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

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

Cash Flows

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

Operating Activities. Net cash provided by operating activities totaled $326.5 million during the nine months ended September 30, 2021, compared to net cash provided of $247.9 million during the corresponding 2020 period. Operating cash flows are our primary source of capital and liquidity.  Cash from operating results (before working capital changes) was $174.1 million for the nine months ended September 30, 2021, a decrease of $111.2 million when compared to $285.3 million in the corresponding 2020 period. This was due to the decline in activity and operating results across most of our business for the nine month period ended September 30, 2021 compared to the nine month period ended September 30, 2020. Changes in working capital items such as collection of receivables, other deferred revenue arrangements and payments of operating payables are also significant factors affecting operating cash flows and can be highly volatile in periods of increasing or decreasing activity levels. Changes in working capital items provided $152.4 million in cash flows during the nine months ended September 30, 2021, a $189.8 million improvement as compared to the negative $37.4 million in cash flows from working capital in the corresponding 2020 period.  The positive impact from working capital more than offset the negative impact from operating results.

37

Investing Activities. Net cash used for investing activities totaled $65.1 million during the nine months ended September 30, 2021 compared to net cash used of $129.3 million during the corresponding 2020 period. Our primary use of cash for investing activities is capital expenditures for rig-related enhancements, new construction and equipment, as well as sustaining capital expenditures. During the nine months ended September 30, 2021 and 2020, we used cash for capital expenditures totaling $179.9 million and $153.1 million, respectively.

We received $121.7 million in proceeds from sales of assets, primarily related to the sale of our Canada Drilling assets, and insurance claims during the nine months ended September 30, 2021 compared to $21.8 million for the corresponding 2020 period. We also received $11.4 million in sales and maturities of investments for the nine months ended September 30, 2021 compared to $2.0 million for the corresponding 2020 period.

Financing Activities. Net cash provided by financing activities totaled $37.8 million during the nine months ended September 30, 2021. During the nine months ended September 30, 2021, we used $49.1 million for a redeemable non-controlling interest distribution and we paid dividends totaling $7.3 million to our preferred shareholders. We received net proceeds of $98.6 million from our revolving credit facility and notes during the quarter, including a draw on the revolving credit facility to pay off $82.5 million in maturing notes in September 2021. Subsequent to September 30, 2021, we have repaid an additional $335.0 million of the amounts provided from the revolver.

Net cash used for financing activities totaled $48.5 million during the nine months ended September 30, 2020. During the nine months ended September 30, 2020, we received net proceeds of $1.0 billion from the issuance of new long-term debt as well as $397.3 million in net amounts borrowed under our revolving credit facility. This was partially offset by a $1.4 billion repayment on our senior notes. Additionally, we paid dividends totaling $18.9 million to our common and preferred shareholders.

Summarized Combined Financial Information for Guarantee of Securities of Subsidiaries

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

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

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

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

38

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

	September 30,		December 31,
Summarized Combined Balance Sheet Information	2021		2020
Assets
Current Assets	$	301,227	$	27,432
Non-Current Assets		427,197		415,768
Noncurrent assets - affiliates		6,841,765		7,226,211
Total Assets		7,570,189		7,669,411
Liabilities and Stockholders' Equity
Current liabilities		44,521		71,605
Noncurrent liabilities		3,180,836		3,086,794
Noncurrent liabilities - affiliates		741,989		494,589
Total Liabilities		3,967,346		3,652,988
Stockholders' Equity		3,602,843		4,016,423
Total Liabilities and Stockholders' Equity		7,570,189		7,669,411

	Nine Months Ended		Year Ended
	September 30,		December 31,
Summarized Combined Income Statement Information	2021		2020
Total revenues, earnings (loss) from consolidated affiliates and other income	$	(317,241)	$	(554,953)
Income from continuing operations, net of tax		(437,896)		(581,521)
Dividends on preferred stock		(3,653)		(14,611)
Net income (loss) attributable to Nabors common shareholders		(441,549)		(596,132)

Other Matters

Recent Accounting Pronouncements

See Note 2—Summary of Significant Accounting Policies.

Off-Balance Sheet Arrangements (Including Guarantees)

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

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

	Maximum Amount
	2021		2022	2023	Thereafter	Total
	(In thousands)
Financial standby letters of credit and other financial surety instruments	$	45,889	140,828	112	50	$	186,879

39

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

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

ITEM 4. CONTROLS AND PROCEDURES

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

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

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

PART II OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

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

ITEM 1A. RISK FACTORS

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

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

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

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

40

The new regulation concerning mandatory COVID-19 vaccination of employees could have a material adverse impact on our business and results of operations.

On November 4, 2021, the Department of Labor’s Occupational Safety and Health Administration (“OSHA”) announced a new emergency temporary standard (“ETS”) requiring all employers with at least 100 employees to develop, implement and enforce a mandatory COVID-19 vaccination policy, unless they adopt a policy requiring employees to choose to either be vaccinated or undergo regular COVID-19 testing and wear a face covering at work. The ETS was officially published and made effective on November 5, 2021 and companies must comply with most requirements within 30 days of publication and with testing requirements within 60 days of publication.

It is currently not possible to predict with certainty the exact impact that this ETS will have on us. As a company with more than 100 employees, we will be required to mandate COVID-19 vaccination of our workforce or our unvaccinated employees will be required to undergo weekly testing.

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 September 30, 2021 from the distributions described below. These shares may be deemed to be “issuer purchases” of shares that are required to be disclosed pursuant to this Item, but were not purchased as part of a publicly announced program to purchase common shares:

					Approximated
				Total Number	Dollar Value of
				of Shares	Shares that May
	Total	Average		Purchased as	Yet Be
	Number of	Price		Part of Publicly	Purchased
Period	Shares	Paid per		Announced	Under the
(In thousands, except per share amounts)	Repurchased	Share (1)		Program	Program (2)
July 1 - July 31	—	$	90.47	—	278,914
August 1 - August 31	—	$	87.51	—	278,914
September 1 - September 30	1	$	84.91	—	278,914

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

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

ITEM 3. DEFAULTS UPON SENIOR SECURITIES

None.

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

41

ITEM 5. OTHER INFORMATION

None.

ITEM 6. EXHIBITS

Exhibit No.	Description
31.1	Rule 13a-14(a)/15d-14(a) Certification of Anthony G. Petrello, Chairman, President and Chief Executive Officer*
31.2	Rule 13a-14(a)/15d-14(a) Certification of William Restrepo, Chief Financial Officer*
32.1	Certifications required by Rule 13a-14(b) or Rule 15d-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code (18 U.S.C. 1350), executed by Anthony G. Petrello, Chairman, President and Chief Executive Officer and William Restrepo, Chief Financial Officer.*
101.INS	Inline XBRL Instance Document*
101.SCH	Inline XBRL Schema Document*
101.CAL	Inline XBRL Calculation Linkbase Document*
101.LAB	Inline XBRL Label Linkbase Document*
101.PRE	Inline XBRL Presentation Linkbase Document*
101.DEF	Inline XBRL Definition Linkbase Document*
104	Cover Page Interactive Data File (the cover page XBRL tags are embedded in the Inline XBRL document)

*Filed herewith.

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

NABORS INDUSTRIES LTD.
By:	/s/ ANTHONY G. PETRELLO
	Anthony G. Petrello
	Chairman, President and
	Chief Executive Officer
	(Principal Executive Officer)
By:	/s/ WILLIAM RESTREPO
	William Restrepo
	Chief Financial Officer (Principal Financial Officer and Accounting Officer)
Date:	November 5, 2021

42

EX-31.1

Exhibit 31.1

Certification of Chief Executive Officer

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

I, Anthony G. Petrello, certify that:

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

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

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

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

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

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

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

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

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

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

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

Date:     November 5, 2021	/s/ ANTHONY G. PETRELLO
	Anthony G. Petrello
	Chairman, President and Chief Executive Officer

EX-31.2

Exhibit 31.2

Certification of Chief Financial Officer

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

I, William Restrepo, certify that:

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

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

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

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

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

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

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

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

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

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

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

Date: November 5, 2021	/s/ WILLIAM RESTREPO
	William Restrepo
	Chief Financial Officer

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

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

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

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

/s/ ANTHONY G. PETRELLO

Anthony G. Petrello

Chairman, President and Chief Executive Officer

/s/ WILLIAM RESTREPO

William Restrepo

Chief Financial Officer

Date: November 5, 2021

XML

Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2021	Oct. 31, 2021
Document and Entity Information
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Sep. 30, 2021
Entity File Number	001-32657
Entity Registrant Name	NABORS INDUSTRIES LTD.
Entity Incorporation, State or Country Code	D0
Entity Tax Identification Number	98-0363970
Entity Address, Address Line One	Crown House
Entity Address, Address Line Two	Second Floor
Entity Address, Address Line Three	4 Par-la-Ville Road
Entity Address, City or Town	Hamilton
Entity Address, Country	BM
Entity Address, Postal Zip Code	HM08
City Area Code	441
Local Phone Number	292-1510
Title of 12(b) Security	Common shares, $.05 par value per share
Trading Symbol	NBR
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		8,241,094
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q3
Entity Central Index Key	0001163739
Amendment Flag	false

XML

CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 771,878	$ 472,246
Short-term investments	6	9,500
Accounts receivable, net of allowance of $69,456 and $69,807, respectively	282,726	362,977
Inventory, net	136,992	160,585
Assets held for sale	16,785	16,562
Other current assets	114,240	109,595
Total current assets	1,322,627	1,131,465
Property, plant and equipment, net	3,443,737	3,985,707
Deferred income taxes	256,679	247,171
Other long-term assets	151,783	139,085
Total assets	5,174,826	5,503,428
Current liabilities:
Trade accounts payable	251,740	220,922
Accrued liabilities	235,356	276,085
Income taxes payable	23,056	10,157
Current lease liabilities	5,936	8,305
Total current liabilities	516,088	515,469
Long-term debt	3,075,520	2,968,701
Other long-term liabilities	346,327	318,034
Deferred income taxes	2,215	1,576
Total liabilities	3,940,150	3,803,780
Commitments and contingencies (Note 8)
Redeemable noncontrolling interest in subsidiary (Note 3)	400,853	442,840
Shareholders' equity:
Preferred shares, par value $0.001 per share: Series A 6% Cumulative Mandatory Convertible; $50 per share liquidation preference; outstanding 0 and 4,870, respectively		5
Common shares, par value $0.05 per share: Authorized common shares 32,000; issued 9,332 and 8,383, respectively	466	419
Capital in excess of par value	3,450,408	3,423,935
Accumulated other comprehensive income (loss)	(10,872)	(11,124)
Retained earnings (accumulated deficit)	(1,415,230)	(946,100)
Less: treasury shares, at cost, 1,090 and 1,090 common shares, respectively	(1,315,751)	(1,315,751)
Total shareholders' equity	709,021	1,151,384
Noncontrolling interest	124,802	105,424
Total equity	833,823	1,256,808
Total liabilities and equity	$ 5,174,826	$ 5,503,428

XML

CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
CONDENSED CONSOLIDATED BALANCE SHEETS
Accounts receivable, net of allowance	$ 69,456	$ 69,807
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, rate (as a percent)	6.00%	6.00%
Preferred stock, liquidation preference (in dollars per share)	$ 50	$ 50
Preferred stock, shares outstanding	0	4,870,000
Common shares, par value (in dollars per share)	$ 0.05	$ 0.05
Common shares, shares authorized	32,000,000	32,000,000
Common shares, shares issued	9,332,000	8,383,000
Treasury shares, at cost	1,090,000	1,090,000

XML

CONDENSED CONSOLIDATED STATEMENTS OF INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenues and other income:
Operating revenues	$ 524,165	$ 438,352	$ 1,474,009	$ 1,690,647
Investment income (loss)	200	(742)	1,401	(1,904)
Total revenues and other income	524,365	437,610	1,475,410	1,688,743
Costs and other deductions:
Direct costs	336,538	270,397	939,658	1,058,794
General and administrative expenses	52,897	46,168	159,137	149,796
Research and engineering	9,498	7,565	24,930	26,279
Depreciation and amortization	173,375	206,862	525,426	645,045
Interest expense	42,217	52,403	126,906	158,331
Impairments and other charges	3,068	5,017	65,419	339,303
Other, net	19,690	(425)	31,140	(48,330)
Total costs and other deductions	637,283	587,987	1,872,616	2,329,218
Income (loss) from continuing operations before income taxes	(112,918)	(150,377)	(397,206)	(640,475)
Income tax expense (benefit):
Current	8,440	1,450	46,538	(6,089)
Deferred	(5,656)	(5,145)	(9,310)	24,533
Total income tax expense (benefit)	2,784	(3,695)	37,228	18,444
Income (loss) from continuing operations, net of tax	(115,702)	(146,682)	(434,434)	(658,919)
Income (loss) from discontinued operations, net of tax	(20)	22	7	(48)
Net income (loss)	(115,722)	(146,660)	(434,427)	(658,967)
Less: Net (income) loss attributable to noncontrolling interest	(6,778)	(10,805)	(21,168)	(38,437)
Net income (loss) attributable to Nabors	(122,500)	(157,465)	(455,595)	(697,404)
Less: Preferred stock dividend		(3,653)	(3,653)	(10,958)
Net income (loss) attributable to Nabors common shareholders	(122,500)	(161,118)	(459,248)	(708,362)
Amounts attributable to Nabors common shareholders:
Net income (loss) from continuing operations	(122,480)	(161,140)	(459,255)	(708,314)
Net income (loss) from discontinued operations	(20)	22	7	(48)
Net income (loss) attributable to Nabors common shareholders	$ (122,500)	$ (161,118)	$ (459,248)	$ (708,362)
Earnings (losses) per share:
Basic from continuing operations (in dollars per share)	$ (15.79)	$ (23.42)	$ (62.26)	$ (102.25)
Basic from discontinued operations (in dollars per share)				(0.01)
Total Basic (in dollars per share)	(15.79)	(23.42)	(62.26)	(102.26)
Diluted from continuing operations (in dollars per share)	(15.79)	(23.42)	(62.26)	(102.25)
Diluted from discontinued operations (in dollars per share)				(0.01)
Total Diluted (in dollars per share)	$ (15.79)	$ (23.42)	$ (62.26)	$ (102.26)
Weighted-average number of common shares outstanding:
Basic (in shares)	7,907	7,064	7,490	7,056
Diluted (in shares)	7,907	7,064	7,490	7,056

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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income (loss) attributable to Nabors	$ (122,500)	$ (157,465)	$ (455,595)	$ (697,404)
Other comprehensive income (loss), before tax:
Translation adjustment attributable to Nabors	(2,288)	3,665	2,032	(7,029)
Pension liability amortization and adjustment	52	52	(1,744)	156
Unrealized gains (losses) and amortization on cash flow hedges		(124)		160
Other comprehensive income (loss), before tax	(2,236)	3,593	288	(6,713)
Income tax expense (benefit) related to items of other comprehensive income (loss)	12	35	36	129
Other comprehensive income (loss), net of tax	(2,248)	3,558	252	(6,842)
Comprehensive income (loss) attributable to Nabors	(124,748)	(153,907)	(455,343)	(704,246)
Comprehensive income (loss) attributable to noncontrolling interest	6,778	10,805	21,168	38,437
Comprehensive income (loss)	$ (117,970)	$ (143,102)	$ (434,175)	$ (665,809)

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash flows from operating activities:
Net income (loss)	$ (434,427)	$ (658,967)
Adjustments to net income (loss):
Depreciation and amortization	525,427	645,045
Deferred income tax expense (benefit)	(9,305)	24,535
Impairments and other charges	72,898	301,619
Amortization of debt discount and deferred financing costs	15,846	24,347
Losses (gains) on debt buyback	(10,706)	(65,848)
Losses (gains) on long-lived assets, net	17,299	5,754
Losses (gains) on investments, net	(767)	5,653
Provision (recovery) of bad debt	(350)	9,729
Share-based compensation	15,207	20,170
Foreign currency transaction losses (gains), net	3,391	11,404
Noncontrolling interest	(21,168)	(38,437)
Other	737	257
Changes in operating assets and liabilities, net of effects from acquisitions:
Accounts receivable	74,873	90,757
Inventory	21,137	11,111
Other current assets	(6,060)	12,510
Other long-term assets	3,721	22,907
Trade accounts payable and accrued liabilities	8,485	(159,621)
Income taxes payable	12,622	2,393
Other long-term liabilities	37,623	(17,412)
Net cash provided by (used for) operating activities	326,483	247,906
Cash flows from investing activities:
Purchases of investments	(14,041)	(30)
Sales and maturities of investments	11,371	2,043
Purchase of intangible assets	(3,600)
Capital expenditures	(179,902)	(153,128)
Proceeds from sales of assets and insurance claims	121,678	21,773
Other	(594)
Net cash (used for) provided by investing activities	(65,088)	(129,342)
Cash flows from financing activities:
Proceeds from issuance of long-term debt		1,000,000
Reduction in long-term debt	(151,508)	(1,390,236)
Debt issuance costs	(2,421)	(19,149)
Proceeds from revolving credit facilities	565,000	1,522,265
Reduction in revolving credit facilities	(312,500)	(1,125,000)
Repurchase of common and preferred shares		(13,858)
Dividends to common and preferred shareholders	(7,380)	(18,885)
Redeemable noncontrolling interest distribution	(49,077)
Distributions to noncontrolling interest	(1,790)	(2,033)
Other	(2,496)	(1,576)
Net cash (used for) provided by financing activities	37,828	(48,472)
Effect of exchange rate changes on cash and cash equivalents	(720)	(3,987)
Net increase (decrease) in cash and cash equivalents and restricted cash	298,503	66,105
Cash and cash equivalents and restricted cash, beginning of period	475,280	442,038
Cash and cash equivalents and restricted cash, end of period	773,783	508,143
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH
Cash and cash equivalents, beginning of period	472,246	435,990
Restricted cash, beginning of period	3,034	6,048
Cash and cash equivalents and restricted cash, beginning of period	475,280	442,038
Cash and cash equivalents, end of period	771,878	504,985
Restricted cash, end of period	1,905	3,158
Cash and cash equivalents and restricted cash, end of period	$ 773,783	$ 508,143

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CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands	Mandatory Convertible Preferred Shares Preferred Stock	Common Stock	Capital in Excess of Par Value	Accumulated Other Comprehensive Income	Retained Earnings (Accumulated Deficit)	Treasury Shares	Non-controlling Interest	Total
Balance at the beginning of the period at Dec. 31, 2019	$ 6	$ 416	$ 3,412,972	$ (11,788)	$ (104,775)	$ (1,314,020)	$ 67,354	$ 2,050,165
Balance (in shares) at Dec. 31, 2019	5,613	8,324
Increase (Decrease) in Equity
Net income (loss)					(697,404)		38,437	(658,967)
Dividends declared to common shareholders					(3,633)			(3,633)
Dividends declared to preferred shareholders					(10,958)			(10,958)
Repurchase of shares	$ (1)		(12,126)			(1,731)		(13,858)
Repurchase of shares (in shares)	(743)
Other comprehensive income (loss), net of tax				(6,842)				(6,842)
Share-based compensation			20,170					20,170
Noncontrolling interest contributions (distributions)							(2,032)	(2,032)
Accrued distribution on redeemable noncontrolling interest in subsidiary					(13,092)			(13,092)
Other		$ 3	(1,549)				357	(1,189)
Other (in shares)		61
Balance at the end of the period at Sep. 30, 2020	$ 5	$ 419	3,419,467	(18,630)	(829,862)	(1,315,751)	104,116	1,359,764
Balance (in shares) at Sep. 30, 2020	4,870	8,385
Balance at the beginning of the period at Jun. 30, 2020	$ 5	$ 419	3,415,053	(22,188)	(664,391)	(1,315,751)	94,339	1,507,486
Balance (in shares) at Jun. 30, 2020	4,870	8,389
Increase (Decrease) in Equity
Net income (loss)					(157,465)		10,805	(146,660)
Dividends declared to preferred shareholders					(3,653)			(3,653)
Other comprehensive income (loss), net of tax				3,558				3,558
Accrued distribution on redeemable noncontrolling interest in subsidiary					(4,353)			(4,353)
Other			4,414				(1,028)	3,386
Other (in shares)		(4)
Balance at the end of the period at Sep. 30, 2020	$ 5	$ 419	3,419,467	(18,630)	(829,862)	(1,315,751)	104,116	1,359,764
Balance (in shares) at Sep. 30, 2020	4,870	8,385
Balance at the beginning of the period at Dec. 31, 2020	$ 5	$ 419	3,423,935	(11,124)	(946,100)	(1,315,751)	105,424	1,256,808
Balance (in shares) at Dec. 31, 2020	4,870	8,383
Increase (Decrease) in Equity
Net income (loss)					(455,595)		21,168	(434,427)
Deferred dividends for earned PSUs					(75)			(75)
Dividends declared to preferred shareholders					(3,653)			(3,653)
Conversion of preferred shares	$ (5)	$ 34	(34)					(5)
Conversion of preferred shares (in shares)	(4,870)	668
Issuance of warrants on common shares					(2,719)			(2,719)
Other comprehensive income (loss), net of tax				252				252
Share-based compensation			15,205					15,205
Share issuance		$ 7	12,865					12,872
Share issuance (shares)		148
Noncontrolling interest contributions (distributions)							(1,790)	(1,790)
Accrued distribution on redeemable noncontrolling interest in subsidiary					(7,088)			(7,088)
Other		$ 6	(1,563)					(1,557)
Other (in shares)		132
Balance at the end of the period at Sep. 30, 2021		$ 466	3,450,408	(10,872)	(1,415,230)	(1,315,751)	124,802	833,823
Balance (in shares) at Sep. 30, 2021		9,331
Balance at the beginning of the period at Jun. 30, 2021		$ 459	3,433,144	(8,624)	(1,290,309)	(1,315,751)	118,024	936,943
Balance (in shares) at Jun. 30, 2021		9,181
Increase (Decrease) in Equity
Net income (loss)					(122,500)		6,778	(115,722)
Deferred dividends for earned PSUs					(65)			(65)
Other comprehensive income (loss), net of tax				(2,248)				(2,248)
Share-based compensation			4,465					4,465
Share issuance		$ 7	12,865					12,872
Share issuance (shares)		148
Accrued distribution on redeemable noncontrolling interest in subsidiary					(2,356)			(2,356)
Other			(66)					(66)
Other (in shares)		2
Balance at the end of the period at Sep. 30, 2021		$ 466	$ 3,450,408	$ (10,872)	$ (1,415,230)	$ (1,315,751)	$ 124,802	$ 833,823
Balance (in shares) at Sep. 30, 2021		9,331

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CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical)	9 Months Ended
	Sep. 30, 2020 $ / shares
CONDENSED CONSOLIDATED BALANCE SHEETS
Dividends declared to common shareholders (in dollars per share)	$ 0.01
Dividends declared to preferred shareholders (in dollars per share)	$ 2.25

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General

9 Months Ended

Sep. 30, 2021

General.

General

Note 1 General

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

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

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

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

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

Fiscal Year 2021 Disposition

In July 2021, we closed on the sale of our Canada Drilling segment assets for approximately $94.0 million. These assets included our fleet of 35 land-based drilling rigs and related equipment and property. This transaction did not represent a strategic shift in our operations and will not have a major effect on our operations and financial results going forward.

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Summary of Significant Accounting Policies

9 Months Ended

Sep. 30, 2021

Summary of Significant Accounting Policies

Summary of Significant Accounting Policies

Note 2 Summary of Significant Accounting Policies

Interim Financial Information

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

Principles of Consolidation

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

In addition to the consolidation of our majority owned subsidiaries, we also consolidate variable interest entities (“VIE”) when we are determined to be the primary beneficiary of a VIE. Determination of the primary beneficiary of a VIE is based on whether an entity has (1) the power to direct activities that most significantly impact the economic performance of the VIE and (2) the obligation to absorb losses or the right to receive benefits of the VIE that could

potentially be significant to the VIE. Our joint venture, SANAD, which is equally owned by Saudi Aramco and Nabors, has been consolidated. As we have the power to direct activities that most significantly impact SANAD’s economic performance, including operations, maintenance and certain sourcing and procurement, we have determined Nabors to be the primary beneficiary. See Note 3—Joint Ventures.

Prior Period Revision

During the preparation of our consolidated financial statements for the three and nine months ended September 30, 2021, we identified an error in the presentation of the number of common shares in our previously issued Consolidated Statements of Changes in Equity.  The error resulted from our presentation of the 1-for-50 reverse stock split approved by our shareholders on April 20, 2020 (the “Reverse Stock Split”), as a reduction in the number of shares outstanding during the quarter ended June 30, 2020, rather than retrospectively adjusting all common share quantities presented in all Consolidated Statements of Changes in Equity issued subsequent to the Reverse Stock Split as required under U.S. GAAP.  The errors only impacted the presentation of common share quantities in our Consolidated Statements of Changes in Equity, and had no impact on amounts presented for Weighted-average number of common shares outstanding, Earnings (losses) per share, Par Value, Capital in Excess of Par Value, or Total Equity; or on our financial position, results of operations or cash flow.  

We have assessed the presentation errors described above and concluded they are not material to our previously issued consolidated financial statements for any impacted period.  However, management has elected to revise previously issued financial statements to properly present common share quantities presented in our previously issued Consolidated Statements of Changes in Equity included herein to appropriately reflect the Reverse Stock Split, and will be similarly revised in future filings, as applicable. The remaining impacted comparative periods in 2020 and 2021 not presented herein will be revised, as applicable, in future filings.  

Inventory

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

	September 30,		December 31,
	2021		2020
	(In thousands)
Raw materials	$	109,304	$	133,424
Work-in-progress		6,084		3,452
Finished goods		21,604		23,709
	$	136,992	$	160,585

Recently Adopted Accounting Pronouncements

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

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

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Joint Ventures

9 Months Ended

Sep. 30, 2021

Joint Ventures

Joint Ventures

Note 3 Joint Ventures

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

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

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

	September 30,		December 31,
	2021		2020
	(In thousands)
Assets:
Cash and cash equivalents	$	322,461	$	368,981
Accounts receivable		70,383		79,711
Other current assets		9,047		17,148
Property, plant and equipment, net		467,606		428,331
Other long-term assets		20,128		2,590
Total assets	$	889,625	$	896,761
Liabilities:
Accounts payable	$	72,508	$	61,808
Accrued liabilities		11,635		18,791
Other long-term liabilities		18,967		—
Total liabilities	$	103,110	$	80,599

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Accounts Receivable Sales Agreement

9 Months Ended

Sep. 30, 2021

Accounts Receivable Sales Agreement

Accounts Receivable Sales Agreement

Note 4 Accounts Receivable Sales Agreement

The Company has entered into accounts receivable agreements (the “A/R Agreements”) to sell short-term receivables from certain customer trade accounts to an unaffiliated financial institution on a revolving basis. In July 2021, we entered into the First Amendment which reduced the commitments of the third-party financial institutions (the “Purchasers”) from $250 million to $150 million and extended the term of the agreements by two years to August 13, 2023.

As part of the A/R Agreements, the Company continuously sells designated pools of receivables as they are originated by it and certain U.S. subsidiaries to a separate bankruptcy-remote, special purpose entity (“SPE”).  The SPE in turn sells, transfers, conveys and assigns to the Purchasers all the rights, title and interest in and to its pool of eligible receivables. The sale of these receivables qualified for sale accounting treatment in accordance with ASC 860. During the period of this program, cash receipts from the Purchasers at the time of the sale are classified as operating activities in our consolidated statement of cash flows and the associated receivables are derecognized from the Company’s condensed consolidated balance sheet at the time of the sale. Subsequent collections on the pledged receivables, which have not been sold, will be classified as operating cash flows in our consolidated statement of cash flows at the time of collection.  The

remaining receivables held by the SPE were pledged to secure the collectability of the sold receivables. The amount of receivables pledged as collateral as of September 30, 2021 and December 31, 2020 is approximately $41.8 million and $63.1 million, respectively.

The amount available for sale to the Purchasers under the A/R Agreements fluctuates over time based on the total amount of eligible receivables generated during the normal course of business after excluding excess concentrations and certain other ineligible receivables. As of September 30, 2021, approximately $96.0 million had been sold to and as yet uncollected by the Purchasers. As of December 31, 2020, the corresponding number was approximately $54.0 million.

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Debt

9 Months Ended

Sep. 30, 2021

Debt

Debt

Note 5 Debt

Debt consisted of the following:

	September 30,		December 31,
	2021		2020
	(In thousands)
4.625% senior notes due September 2021 (1)	$	—	$	86,329
5.50% senior notes due January 2023		24,446		28,443
5.10% senior notes due September 2023		91,962		121,077
0.75% senior exchangeable notes due January 2024		256,779		279,700
5.75% senior notes due February 2025		577,458		610,818
6.50% senior priority guaranteed notes due February 2025		50,485		50,485
9.00% senior priority guaranteed notes due February 2025		218,082		192,032
7.25% senior guaranteed notes due January 2026		559,978		559,978
7.50% senior guaranteed notes due January 2028		389,609		389,609
2018 revolving credit facility (2)		925,000		672,500
		3,093,799		2,990,971
Less: deferred financing costs		18,279		22,270
Long-term debt	$	3,075,520	$	2,968,701

(1) The 4.625% senior notes due September 2021 were classified as long-term as of December 31, 2020 because we had the ability and intent to repay this obligation utilizing our 2018 Revolving Credit Facility.

(2) Subsequent to September 30, 2021, we have repaid approximately $335.0 million of the 2018 revolving credit facility with cash on hand.

During the nine months ended September 30, 2021, we repurchased $67.6 million aggregate principal amount of various outstanding Nabors Delaware’s notes for approximately $57.4 million in cash, including principal and $1.2 million in accrued and unpaid interest. In connection with these repurchases, we recognized a net gain of approximately $10.7 million for the nine months ended September 30, 2021 which is included in Other, net in our condensed consolidated statement of income (loss).

During the three months ended September 30, 2021, we repaid the remaining balance of $82.5 million aggregate principal amount outstanding on our 4.625% senior notes due September 2021.

Exchange Transactions

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

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

We recorded a minimal gain in connection with the exchange transactions, which was accounted for in accordance with ASC 470-60, Troubled Debt Restructuring by Debtors. Under ASC 470-60, a gain is recorded in an amount equal to the sum of the future undiscounted payments (principal and interest) related to the new Exchange Notes plus the costs

incurred in connection with the transaction, less the carrying value of the notes that were exchanged. In relation to the transactions, we recorded $9.4 million related to future contractual interest payments on the new Exchange Notes and have included this amount in accrued liabilities and other long-term liabilities.

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

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

0.75% Senior Exchangeable Notes Due January 2024

In January 2017, Nabors Delaware issued $575.0 million in aggregate principal amount of 0.75% exchangeable senior unsecured notes due 2024, which are fully and unconditionally guaranteed by Nabors. The notes bear interest at a rate of 0.75% per year payable semiannually on January 15 and July 15 of each year, beginning on July 15, 2017. As of September 30, 2021, there was approximately $256.8 million in aggregate principal amount that remained outstanding.

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

2018 Revolving Credit Facility

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

In September 2020, Amendment No. 4 was entered into in order to revise certain of the covenant and collateral requirements under the 2018 Revolving Credit Facility. Amendment No. 4 provides the Lenders with a first lien security interest in certain drilling rigs located in the U.S. and Canada and replaced the prior covenant to maintain net funded debt at no greater than 5.5 times EBITDA with a new covenant to maintain minimum liquidity of no less than $160.0 million at any time. Minimum liquidity is defined to mean, generally, a consolidated cash balance consisting of (a) the aggregate amount of unrestricted cash and cash equivalents maintained in a deposit account U.S. or Canadian branch of a commercial bank, plus (b) the lesser of $75 million or an amount equal to 75% of the aggregate amount of unrestricted cash and cash equivalents held in deposit account of a commercial bank outside of the U.S. or Canada, plus (c) available commitments under the 2018 Revolving Credit Facility. Additionally, the “asset to debt coverage” ratio was revised such that during any period in which Nabors Delaware fails to maintain an investment grade rating from at least two

ratings agencies, the guarantors under the facility and their respective subsidiaries will be required to maintain an asset to debt coverage of at least 4.25:1, which was the case as of the date of this report. On July 29, 2021, in connection with the closing of the sale of substantially all of our Canada Drilling assets, we entered into a Canadian Amending Agreement with the Canadian Lender under which we repaid all outstanding loans owed to the Canadian Lender under the 2018 Revolving Credit Facility, the first lien security interest in the Canada Drilling assets was released and the commitments of the Canadian Lender under the 2018 Revolving Credit Facility were terminated.

As of September 30, 2021, we had $925.0 million outstanding under our 2018 Revolving Credit Facility and the net book value of the collateralized assets under the 2018 Revolving Credit Facility was $1.23 billion. The weighted average interest rate on borrowings under the 2018 Revolving Credit Facility at September 30, 2021 was 3.72%. In order to make any future borrowings under the 2018 Revolving Credit Facility, Nabors and certain of its wholly owned subsidiaries are subject to compliance with the conditions and covenants contained therein, including compliance with applicable financial ratios.

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

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Shareholders' Equity

9 Months Ended

Sep. 30, 2021

Shareholders' Equity

Shareholders' Equity

Note 6 Shareholders’ Equity

Common shares

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

On July 19, 2021, we issued 147,974 shares, valued at approximately $12.9 million, in connection with the purchase of certain development stage technologies in the energy transition space. Of the shares issued, 71,280 shares are forfeitable if certain milestones are not achieved over the next two years.

Common stock warrants

On May 27, 2021, the Board declared a distribution to holders of the Company’s common shares of warrants to purchase its common shares (the “Warrants”). Holders of Nabors common shares received two-fifths of a warrant per common share held as of the record date (rounded down for any fractional warrant). Nabors issued approximately 3.2 million warrants on June 11, 2021 to shareholders of record as of June 4, 2021.

Each Warrant represents the right to purchase one common share at an initial exercise price of $166.66667 per Warrant, subject to certain adjustments (the “Exercise Price”). In addition, Warrants submitted for exercise may be eligible to receive an additional one-third common share due to the incentive share component. The incentive share is an extra amount of common shares that Nabors will award when the volume weighted average price of Nabors’ common shares on the day before any Warrant holder exercises its Warrants multiplied by three is at least 6% higher than the sum of the volume weighted average prices of Nabors’ common shares on each of the second, third and fourth days before any Warrant holder exercises its Warrants. Payment for common shares on exercise of Warrants may be in (i) cash or

(ii)“Designated Notes,” which the Company initially defines as (a) Nabors Delaware’s (i) 5.10% Notes due 2023, (ii) 0.75% Exchangeable Notes due 2024, (iii) 5.75% Notes due 2025 and (b) the Company’s 7.25% Notes due 2026, subject to compliance with applicable procedures with respect to the delivery of the Warrants and Designated Notes. The Exercise Price and the number of common shares issuable upon exercise are subject to anti-dilution adjustments, including for share dividends, splits, subdivisions, spin-offs, consolidations, reclassifications, combinations, noncash distributions, cash dividends (other than regular quarterly cash dividends not exceeding a permitted threshold amount), certain pro rata shares repurchases, and similar transactions, including certain issuances of common shares (or securities exercisable or convertible into or exchangeable for common shares) at a price (or having a conversion price) that is less than 95% of the market price of the common shares. The Warrants expire on June 11, 2026, but the expiration date may be accelerated at any time by the Company upon 20-days’ prior notice. The Company has listed the Warrants on the over-the-counter market.

The common stock warrants are recognized as derivative liabilities in accordance with ASC 815-40. Accordingly, the Company recognizes the warrant instruments as liabilities at fair value and adjusts the instruments to fair value at each reporting period. The liabilities are subject to re-measurement at each balance sheet date until exercised, and any change in fair value is recognized in the Company’s statement of operations. The fair value of the Warrants was initially measured at fair value using a Monte Carlo pricing model and subsequently, the fair value of the Warrants have been estimated using a Monte Carlo pricing model at each measurement date. At distribution, the fair value of the Warrants was $2.7 million. At September 30, 2021, the fair value of the Warrants was approximately $0.1 million and $2.6 million of gain has been recognized during 2021 for the decrease in liability.

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Fair Value Measurements

9 Months Ended

Sep. 30, 2021

Fair Value Measurements

Fair Value Measurements

Note 7 Fair Value Measurements

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

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

Under the fair value hierarchy:

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

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

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

Recurring Fair Value Measurements

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

the grant date for a maturity similar to the expected remaining life of the warrants. The expected life of the warrants is based on the Company’s ability to initiate expiration, subject to a 20 business day notice period.

Nonrecurring Fair Value Measurements

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

Fair Value of Financial Instruments

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

		September 30, 2021				December 31, 2020
		Carrying		Fair		Carrying		Fair
		Value		Value		Value		Value
	(In thousands)
4.625% senior notes due September 2021		$	—	$	—	$	86,329	$	78,862
5.50% senior notes due January 2023			24,446		24,117		28,443		18,768
5.10% senior notes due September 2023			91,962		90,284		121,077		78,435
0.75% senior exchangeable notes due January 2024			256,779		253,182		279,700		169,458
5.75% senior notes due February 2025			577,458		534,270		610,818		318,871
6.50% senior priority guaranteed notes due February 2025			50,485		50,102		50,485		44,059
9.00% senior priority guaranteed notes due February 2025			218,082		226,116		192,032		185,221
7.25% senior guaranteed notes due January 2026			559,978		544,730		559,978		396,106
7.50% senior guaranteed notes due January 2028			389,609		370,483		389,609		267,369
2018 revolving credit facility			925,000		925,000		672,500		672,500
		$	3,093,799	$	3,018,284	$	2,990,971	$	2,229,649
Less: deferred financing costs			18,279				22,270
		$	3,075,520			$	2,968,701

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

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Commitments and Contingencies

9 Months Ended

Sep. 30, 2021

Commitments and Contingencies

Commitments and Contingencies

Note 8 Commitments and Contingencies

Contingencies

Income Tax

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

In certain jurisdictions we have recognized deferred tax assets and liabilities. Judgment and assumptions are required in determining whether deferred tax assets will be fully or partially utilized. When we estimate that all or some portion of certain deferred tax assets such as net operating loss carryforwards will not be utilized, we establish a valuation allowance for the amount we determine to be more likely than not unrealizable. We continually evaluate strategies that could allow for future utilization of our deferred assets. Any change in the ability to utilize such deferred assets will be accounted for in the period of the event affecting the valuation allowance. If facts and circumstances cause

us to change our expectations regarding future tax consequences, the resulting adjustments could have a material effect on our financial results or cash flow. At this time, we consider it more likely than not that we will have sufficient taxable income in the future that will allow us to realize the deferred tax assets that we have recognized. However, it is possible that some of our recognized deferred tax assets, relating to net operating loss carryforwards, could expire unused or could carryforward indefinitely without utilization. Therefore, unless we are able to generate sufficient taxable income from our component operations, a substantial valuation allowance to reduce our deferred tax assets may be required, which would materially increase our tax expense in the period the allowance is recognized and materially adversely affect our results of operations and statement of financial condition.

Litigation

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

In March 2011, the Court of Ouargla entered a judgment of approximately $20.7 million (at September 30, 2021 exchange rates) against us relating to alleged violations of Algeria’s foreign currency exchange controls, which require that goods and services provided locally be invoiced and paid in local currency. The case relates to certain foreign currency payments made to us by CEPSA, a Spanish operator, for wells drilled in 2006. Approximately $7.5 million of the total contract amount was paid offshore in foreign currency, and approximately $3.2 million was paid in local currency. The judgment includes fines and penalties of approximately four times the amount at issue. We have appealed the ruling based on our understanding that the law in question applies only to resident entities incorporated under Algerian law. An intermediate court of appeals upheld the lower court’s ruling, and we appealed the matter to the Supreme Court. On September 25, 2014, the Supreme Court overturned the verdict against us, and the case was reheard by the Ouargla Court of Appeals on March 22, 2015 in light of the Supreme Court’s opinion. On March 29, 2015, the Ouargla Court of Appeals reinstated the initial judgment against us. We appealed this decision again to the Supreme Court and the Court has annulled the decision of the Ouargla Court of Appeals.  Accordingly, the case was sent back to the Court of Ouargla for further proceedings on October 10, 2021 consistent with the Supreme Court’s ruling. While our payments were consistent with our historical operations in the country, and, we believe, those of other multinational corporations there, as well as interpretations of the law by the Central Bank of Algeria, the ultimate resolution of this matter could result in a loss of up to $12.7 million in excess of amounts accrued.

Following a routine audit conducted in May and June of 2018 by the Atyrau Oblast Ecology Department (the “AOED”), our joint venture in Kazakhstan, KMG Nabors Drilling Company (“KNDC”), was administratively fined for not having emissions permits for KNDC owned or leased equipment, due to a change in interpretation by the AOED that the owner/lessor of the equipment that emits the pollutants must have its own permits.  Administrative fines of $0.8 million were paid by KNDC for such violations. AOED also assessed additional “environmental damages” in the amount of $3.4 million for the period. KNDC appealed and, ultimately, the Supreme Court ruled in KNDC’s favor on July 21, 2021, terminating the administrative case for lack of evidence. With the potential for additional damages for later year audits, KNDC and the operator have executed an agreement formalizing the operator’s obligation to reimburse KNDC for many of the financial expenses related to this case as well as penalties and expenses related to future audit periods.  Since 2019, KNDC holds its own permits. Another audit by AOED was performed for the second half of 2018, but KNDC continues to appeal this decision in the same manner as the prior audit.  Meanwhile, KNDC received notice from government officials that certain of our employees may be held personally responsible, but considering the numerous court proceedings, the governmental officials temporarily suspended any criminal investigations. We continue to be engaged and are monitoring the situation.

Off-Balance Sheet Arrangements (Including Guarantees)

We are a party to some transactions, agreements or other contractual arrangements defined as “off-balance sheet arrangements” that could have a material future effect on our financial position, results of operations, liquidity and capital resources. The most significant of these off-balance sheet arrangements include the A/R Facility (see Note 4—Accounts Receivable Sales Agreement) and certain agreements and obligations under which we provide financial or performance assurance to third parties. Certain of these financial or performance assurances serve as guarantees, including standby letters of credit issued on behalf of insurance carriers in conjunction with our workers’ compensation insurance program and other financial surety instruments such as bonds. In addition, we have provided indemnifications, which serve as guarantees, to some third parties. These guarantees include indemnification provided by Nabors to our share transfer agent and our insurance carriers. We are not able to estimate the potential future maximum payments that might be due under our indemnification guarantees.

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

	Maximum Amount
	2021		2022	2023	Thereafter	Total
	(In thousands)
Financial standby letters of credit and other financial surety instruments	$	45,889	140,828	112	50	$	186,879

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Earnings (Losses) Per Share

9 Months Ended

Sep. 30, 2021

Earnings (Losses) Per Share

Earnings (Losses) Per Share

Note 9 Earnings (Losses) Per Share

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

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

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

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

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2021		2020		2021		2020
	(In thousands, except per share amounts)
BASIC EPS:
Net income (loss) (numerator):
Income (loss) from continuing operations, net of tax		$	(115,702)	$	(146,682)	$	(434,434)	$	(658,919)
Less: net (income) loss attributable to noncontrolling interest			(6,778)		(10,805)		(21,168)		(38,437)
Less: preferred stock dividends			—		(3,653)		(3,653)		(10,958)
Less: accrued distribution on redeemable noncontrolling interest in subsidiary			(2,356)		(4,353)		(7,088)		(13,092)
Less: distributed and undistributed earnings allocated to unvested shareholders			—		—		—		(125)
Numerator for basic earnings per share:
Adjusted income (loss) from continuing operations, net of tax - basic		$	(124,836)	$	(165,493)	$	(466,343)	$	(721,531)
Income (loss) from discontinued operations, net of tax		$	(20)	$	22	$	7	$	(48)
Weighted-average number of shares outstanding - basic			7,907		7,064		7,490		7,056
Earnings (losses) per share:
Basic from continuing operations		$	(15.79)	$	(23.42)	$	(62.26)	$	(102.25)
Basic from discontinued operations			—		—		—		(0.01)
Total Basic		$	(15.79)	$	(23.42)	$	(62.26)	$	(102.26)
DILUTED EPS:
Adjusted income (loss) from continuing operations, net of tax - basic		$	(124,836)	$	(165,493)	$	(466,343)	$	(721,531)
Add: effect of reallocating undistributed earnings of unvested shareholders			—		—		—		—
Adjusted income (loss) from continuing operations, net of tax - diluted		$	(124,836)	$	(165,493)	$	(466,343)	$	(721,531)
Income (loss) from discontinued operations, net of tax		$	(20)	$	22	$	7	$	(48)
Weighted-average number of shares outstanding - basic			7,907		7,064		7,490		7,056
Add: dilutive effect of potential common shares			—		—		—		—
Weighted-average number of shares outstanding - diluted			7,907		7,064		7,490		7,056
Earnings (losses) per share:
Diluted from continuing operations		$	(15.79)	$	(23.42)	$	(62.26)	$	(102.25)
Diluted from discontinued operations			—		—		—		(0.01)
Total Diluted		$	(15.79)	$	(23.42)	$	(62.26)	$	(102.26)

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

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2021		2020		2021		2020
	(In thousands)
Potentially dilutive securities excluded as anti-dilutive			22		36		33		57

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

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Impairments and Other Charges

9 Months Ended

Sep. 30, 2021

Impairments and Other Charges

Impairments and Other Charges

Note 10 Impairments and Other Charges

The components of impairments and other charges are provided below:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
	(in thousands)
Goodwill impairments	$	—	$	—	$	—	$	27,798
Intangible asset impairment		—		—		—		83,625
US Drilling		—		—		—		87,333
Canada Drilling		545		—		58,545		—
International Drilling		—		544		215		63,620
Drilling Solutions		—		(17)		—		28,624
Rig Technologies		—		(182)		418		2,526
Oil and gas related assets		—		—		—		12,286
Severance and transaction related costs		2,324		4,779		4,916		16,614
Other assets		199		(107)		1,325		16,877
Total	$	3,068	$	5,017	$	65,419		339,303

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

For the three and nine months ended September 30, 2021

Canada Drilling

During the nine months ended September 30, 2021, we recognized an impairment of $58.5 million related to the sale of the Canada Drilling assets in July 2021.

Severance and transaction related costs

During the nine months ended September 30, 2021, we recognized charges of $4.9 million due to severance and reorganization costs due to ongoing cost cutting and consolidation measures that we enacted in response to the challenging industry environment.

For the three and nine months ended September 30, 2020

Goodwill impairments

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

Intangible asset impairments

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

US Drilling

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

International Drilling

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

During the second quarter of 2020, we wrote off all the remaining value on our rig and drilling-related equipment in Venezuela due to our lack of work in the country and limited visibility to any possibility of further work. This resulted in a charge of $32.6 million.

Drilling Solutions

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

Rig Technologies

As a result of our periodic analysis on inventories for our Rig Technologies segment, we recorded a $2.5 million provision for obsolescence.

Oil & gas related assets

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

Severance and transaction related costs

During the nine months ended September 30, 2020, we recognized charges of $16.6 million due to severance and other related costs incurred to right-size our cost structure.

Other assets

We wrote down or provided for $16.9 million of certain other assets including receivables related to our operations. The charges were primarily attributable to markets which have been adversely impacted by foreign sanctions or other political risk issues as well as bankruptcies or other financial problems.

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Supplemental Balance Sheet and Income Statement Information

9 Months Ended

Sep. 30, 2021

Supplemental Balance Sheet and Income Statement Information

Supplemental Balance Sheet and Income Statement Information

Note 11 Supplemental Balance Sheet and Income Statement Information

Accrued liabilities included the following:

	September 30,		December 31,
	2021		2020
	(In thousands)
Accrued compensation	$	66,706	$	82,462
Deferred revenue and proceeds on insurance and asset sales		63,824		61,473
Other taxes payable		31,870		28,602
Workers’ compensation liabilities		7,788		7,788
Interest payable		40,340		62,935
Litigation reserves		14,676		13,976
Dividends declared and payable		—		3,653
Other accrued liabilities		10,152		15,196
	$	235,356	$	276,085

Investment income (loss) includes the following:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
	(In thousands)
Interest and dividend income	$	211	$	177	$	1,214	$	3,781
Gains (losses) on marketable securities		(11)		(919)		187		(5,685)
	$	200	$	(742)	$	1,401	$	(1,904)

Other, net included the following:

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2021		2020		2021		2020
	(In thousands)
Losses (gains) on sales, disposals and involuntary conversions of long-lived assets		$	(168)	$	3,324	$	17,320	$	5,752
Purchase of technology			14,733		—		14,733		—
Litigation expenses and reserves			2,603		621		5,944		2,733
Foreign currency transaction losses (gains)			867		9,295		3,394		11,377
(Gain) loss on debt buyback			(2,521)		(14,170)		(10,706)		(65,848)
Other losses (gains)			4,176		505		455		(2,344)
		$	19,690	$	(425)	$	31,140	$	(48,330)

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

	Gains		Defined
	(losses) on		benefit		Foreign
	cash flow		pension plan		currency
	hedges		items		items		Total
	(In thousands (1) )
As of January 1, 2020	$	(65)	$	(3,778)	$	(7,945)	$	(11,788)
Other comprehensive income (loss) before reclassifications		—		—		(7,029)		(7,029)
Amounts reclassified from accumulated other comprehensive income (loss)		67		120		—		187
Net other comprehensive income (loss)		67		120		(7,029)		(6,842)
As of September 30, 2020	$	2	$	(3,658)	$	(14,974)	$	(18,630)

(1) All amounts are net of tax.

	Gains		Defined
	(losses) on		benefit		Foreign
	cash flow		pension plan		currency
	hedges		items		items		Total
	(In thousands (1) )
As of January 1, 2021	$	2	$	(3,616)	$	(7,510)	$	(11,124)
Other comprehensive income (loss) before reclassifications		—		(1,900)		2,032		132
Amounts reclassified from accumulated other comprehensive income (loss)		—		120		—		120
Net other comprehensive income (loss)		—		(1,780)		2,032		252
As of September 30, 2021	$	2	$	(5,396)	$	(5,478)	$	(10,872)

(1) All amounts are net of tax.

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

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2021		2020		2021		2020
	(In thousands)
Interest expense		$	—	$	(124)	$	—	$	160
General and administrative expenses			52		52		156		156
Total income (loss) from continuing operations before income tax			(52)		72		(156)		(316)
Tax expense (benefit)			(12)		(35)		(36)		(129)
Reclassification adjustment for (gains)/ losses included in net income (loss)		$	(40)	$	107	$	(120)	$	(187)

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Segment Information

9 Months Ended

Sep. 30, 2021

Segment Information

Segment Information

Note 12 Segment Information

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

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2021		2020		2021		2020
	(In thousands)
Operating revenues:
U.S. Drilling		$	173,441	$	130,243	$	477,346	$	578,928
Canada Drilling			6,034		10,774		39,336		39,929
International Drilling			270,008		248,392		772,128		886,580
Drilling Solutions			45,880		29,324		120,697		117,837
Rig Technologies			42,053		28,466		102,353		104,198
Other reconciling items (1)			(13,251)		(8,847)		(37,851)		(36,825)
Total		$	524,165	$	438,352	$	1,474,009	$	1,690,647

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2021		2020		2021		2020
	(In thousands)
Adjusted operating income (loss): (2)
U.S. Drilling		$	(19,700)	$	(39,162)	$	(63,905)	$	(69,961)
Canada Drilling			1,371		(3,507)		2,670		(9,265)
International Drilling			(7,297)		(16,872)		(34,368)		(20,743)
Drilling Solutions			8,607		(3,583)		19,841		8,699
Rig Technologies			1,926		(1,807)		(1,335)		(11,450)
Total segment adjusted operating income (loss)		$	(15,093)	$	(64,931)	$	(77,097)	$	(102,720)

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2021		2020		2021		2020
	(In thousands)
Reconciliation of segment adjusted operating income (loss) to net income (loss) from continuing operations before income taxes:
Total segment adjusted operating income (loss) (2)		$	(15,093)	$	(64,931)	$	(77,097)	$	(102,720)
Other reconciling items (3)			(33,050)		(27,709)		(98,045)		(86,547)
Investment income (loss)			200		(742)		1,401		(1,904)
Interest expense			(42,217)		(52,403)		(126,906)		(158,331)
Impairments and other charges			(3,068)		(5,017)		(65,419)		(339,303)
Other, net			(19,690)		425		(31,140)		48,330
Income (loss) from continuing operations before income taxes		$	(112,918)	$	(150,377)	$	(397,206)	$	(640,475)

	September 30,		December 31,
	2021		2020
	(In thousands)
Total assets:
U.S. Drilling	$	1,675,517	$	1,871,008
Canada Drilling		11,468		174,123
International Drilling		2,442,054		2,688,912
Drilling Solutions		76,041		100,278
Rig Technologies		200,814		225,954
Other reconciling items (3)		768,932		443,153
Total	$	5,174,826	$	5,503,428

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

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

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

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Revenue Recognition

9 Months Ended

Sep. 30, 2021

Revenue Recognition

Revenue Recognition

Note 13 Revenue Recognition

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

Disaggregation of revenue

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

	Three Months Ended
	September 30, 2021
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	132,639	$	—	$	—	$	26,917	$	17,040	$	—	$	176,596
U.S. Offshore Gulf of Mexico		35,063		—		—		1,634		—		—		36,697
Alaska		5,739		—		—		163		1		—		5,903
Canada		—		6,034		—		340		1,046		—		7,420
Middle East & Asia		—		—		179,617		10,872		20,678		—		211,167
Latin America		—		—		70,692		5,564		—		—		76,256
Europe, Africa & CIS		—		—		19,699		390		3,288		—		23,377
Eliminations & other		—		—		—		—		—		(13,251)		(13,251)
Total	$	173,441	$	6,034	$	270,008	$	45,880	$	42,053	$	(13,251)	$	524,165

	Nine Months Ended
	September 30, 2021
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	363,536	$	—	$	—	$	66,801	$	45,025	$	—	$	475,362
U.S. Offshore Gulf of Mexico		95,222		—		—		6,192		—		—		101,414
Alaska		18,588		—		—		484		14		—		19,086
Canada		—		39,336		—		998		3,329		—		43,663
Middle East & Asia		—		—		522,142		29,320		43,334		—		594,796
Latin America		—		—		184,531		15,788		176		—		200,495
Europe, Africa & CIS		—		—		65,455		1,114		10,475		—		77,044
Eliminations & other		—		—		—		—		—		(37,851)		(37,851)
Total	$	477,346	$	39,336	$	772,128	$	120,697	$	102,353	$	(37,851)	$	1,474,009

	Three Months Ended
	September 30, 2020
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	96,433	$	—	$	—	$	15,769	$	10,220	$	—	$	122,422
U.S. Offshore Gulf of Mexico		26,943		—		—		2,011		—		—		28,954
Alaska		6,867		—		—		66		2		—		6,935
Canada		—		10,774		—		187		515		—		11,476
Middle East & Asia		—		—		176,617		10,096		13,869		—		200,582
Latin America		—		—		43,881		902		15		—		44,798
Europe, Africa & CIS		—		—		27,894		293		3,845		—		32,032
Eliminations & other		—		—		—		—		—		(8,847)		(8,847)
Total	$	130,243	$	10,774	$	248,392	$	29,324	$	28,466	$	(8,847)	$	438,352

	Nine Months Ended
	September 30, 2020
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	445,478	$	—	$	—	$	70,805	$	42,860	$	—	$	559,143
U.S. Offshore Gulf of Mexico		102,681		—		—		7,044		—		—		109,725
Alaska		30,769		—		—		1,296		20		—		32,085
Canada		—		39,929		—		995		2,711		—		43,635
Middle East & Asia		—		—		571,108		31,630		46,003		—		648,741
Latin America		—		—		177,800		4,284		136		—		182,220
Europe, Africa & CIS		—		—		137,672		1,783		12,468		—		151,923
Eliminations & other		—		—		—		—		—		(36,825)		(36,825)
Total	$	578,928	$	39,929	$	886,580	$	117,837	$	104,198	$	(36,825)	$	1,690,647

Contract balances

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

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

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

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

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

			Contract		Contract		Contract		Contract
	Contract		Assets		Assets		Liabilities		Liabilities
	Receivables		(Current)		(Long-term)		(Current)		(Long-term)
	(In millions)
As of December 31, 2020	$	427.2	$	23.5	$	6.8	$	42.8	$	44.2
As of September 30, 2021	$	342.4	$	26.2	$	3.1	$	45.5	$	30.5

Approximately 42% of the contract liability balance at the beginning of the period is expected to be recognized as revenue during 2021, of which 24% was recognized during the nine months ended September 30, 2021, and 16% is expected to be recognized during 2022. The remaining 42% of the contract liability balance at the beginning of the period is expected to be recognized as revenue during 2023 or thereafter.

Additionally, 74% of the contract asset balance at the beginning of the period is expected to be recognized as expense during 2021, of which 59% was recognized during the nine months ended September 30, 2021, and 23% is expected to be recognized during 2022. The remaining 3% of the contract asset balance at the beginning of the period is expected to be recognized as expense during 2023 or thereafter. This disclosure does not include variable consideration allocated entirely to a wholly unsatisfied performance obligation or promise to transfer a distinct good or service that forms part of a single performance obligation.

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Summary of Significant Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2021

Summary of Significant Accounting Policies

Interim Financial Information

Interim Financial Information

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

Principles of Consolidation

Principles of Consolidation

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

In addition to the consolidation of our majority owned subsidiaries, we also consolidate variable interest entities (“VIE”) when we are determined to be the primary beneficiary of a VIE. Determination of the primary beneficiary of a VIE is based on whether an entity has (1) the power to direct activities that most significantly impact the economic performance of the VIE and (2) the obligation to absorb losses or the right to receive benefits of the VIE that could

potentially be significant to the VIE. Our joint venture, SANAD, which is equally owned by Saudi Aramco and Nabors, has been consolidated. As we have the power to direct activities that most significantly impact SANAD’s economic performance, including operations, maintenance and certain sourcing and procurement, we have determined Nabors to be the primary beneficiary. See Note 3—Joint Ventures.

Prior Period Revision

Prior Period Revision

During the preparation of our consolidated financial statements for the three and nine months ended September 30, 2021, we identified an error in the presentation of the number of common shares in our previously issued Consolidated Statements of Changes in Equity.  The error resulted from our presentation of the 1-for-50 reverse stock split approved by our shareholders on April 20, 2020 (the “Reverse Stock Split”), as a reduction in the number of shares outstanding during the quarter ended June 30, 2020, rather than retrospectively adjusting all common share quantities presented in all Consolidated Statements of Changes in Equity issued subsequent to the Reverse Stock Split as required under U.S. GAAP.  The errors only impacted the presentation of common share quantities in our Consolidated Statements of Changes in Equity, and had no impact on amounts presented for Weighted-average number of common shares outstanding, Earnings (losses) per share, Par Value, Capital in Excess of Par Value, or Total Equity; or on our financial position, results of operations or cash flow.  

We have assessed the presentation errors described above and concluded they are not material to our previously issued consolidated financial statements for any impacted period.  However, management has elected to revise previously issued financial statements to properly present common share quantities presented in our previously issued Consolidated Statements of Changes in Equity included herein to appropriately reflect the Reverse Stock Split, and will be similarly revised in future filings, as applicable. The remaining impacted comparative periods in 2020 and 2021 not presented herein will be revised, as applicable, in future filings.  

Inventory

Inventory

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

	September 30,		December 31,
	2021		2020
	(In thousands)
Raw materials	$	109,304	$	133,424
Work-in-progress		6,084		3,452
Finished goods		21,604		23,709
	$	136,992	$	160,585

Recently Adopted Accounting Pronouncements

Recently Adopted Accounting Pronouncements

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

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

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Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2021

Summary of Significant Accounting Policies

Inventory

	September 30,		December 31,
	2021		2020
	(In thousands)
Raw materials	$	109,304	$	133,424
Work-in-progress		6,084		3,452
Finished goods		21,604		23,709
	$	136,992	$	160,585

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Joint Ventures (Tables)

9 Months Ended

Sep. 30, 2021

Joint Ventures

Schedule of condensed balance sheet of SANAD

	September 30,		December 31,
	2021		2020
	(In thousands)
Assets:
Cash and cash equivalents	$	322,461	$	368,981
Accounts receivable		70,383		79,711
Other current assets		9,047		17,148
Property, plant and equipment, net		467,606		428,331
Other long-term assets		20,128		2,590
Total assets	$	889,625	$	896,761
Liabilities:
Accounts payable	$	72,508	$	61,808
Accrued liabilities		11,635		18,791
Other long-term liabilities		18,967		—
Total liabilities	$	103,110	$	80,599

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Debt (Tables)

9 Months Ended

Sep. 30, 2021

Debt

Debt

	September 30,		December 31,
	2021		2020
	(In thousands)
4.625% senior notes due September 2021 (1)	$	—	$	86,329
5.50% senior notes due January 2023		24,446		28,443
5.10% senior notes due September 2023		91,962		121,077
0.75% senior exchangeable notes due January 2024		256,779		279,700
5.75% senior notes due February 2025		577,458		610,818
6.50% senior priority guaranteed notes due February 2025		50,485		50,485
9.00% senior priority guaranteed notes due February 2025		218,082		192,032
7.25% senior guaranteed notes due January 2026		559,978		559,978
7.50% senior guaranteed notes due January 2028		389,609		389,609
2018 revolving credit facility (2)		925,000		672,500
		3,093,799		2,990,971
Less: deferred financing costs		18,279		22,270
Long-term debt	$	3,075,520	$	2,968,701

(1) The 4.625% senior notes due September 2021 were classified as long-term as of December 31, 2020 because we had the ability and intent to repay this obligation utilizing our 2018 Revolving Credit Facility.

(2) Subsequent to September 30, 2021, we have repaid approximately $335.0 million of the 2018 revolving credit facility with cash on hand.

The aggregate principal amounts and recognized gain

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

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

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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2021

Fair Value Measurements

Fair value of financial instruments

		September 30, 2021				December 31, 2020
		Carrying		Fair		Carrying		Fair
		Value		Value		Value		Value
	(In thousands)
4.625% senior notes due September 2021		$	—	$	—	$	86,329	$	78,862
5.50% senior notes due January 2023			24,446		24,117		28,443		18,768
5.10% senior notes due September 2023			91,962		90,284		121,077		78,435
0.75% senior exchangeable notes due January 2024			256,779		253,182		279,700		169,458
5.75% senior notes due February 2025			577,458		534,270		610,818		318,871
6.50% senior priority guaranteed notes due February 2025			50,485		50,102		50,485		44,059
9.00% senior priority guaranteed notes due February 2025			218,082		226,116		192,032		185,221
7.25% senior guaranteed notes due January 2026			559,978		544,730		559,978		396,106
7.50% senior guaranteed notes due January 2028			389,609		370,483		389,609		267,369
2018 revolving credit facility			925,000		925,000		672,500		672,500
		$	3,093,799	$	3,018,284	$	2,990,971	$	2,229,649
Less: deferred financing costs			18,279				22,270
		$	3,075,520			$	2,968,701

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Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2021

Commitments and Contingencies

Summary of total maximum amount of financial guarantees issued

	Maximum Amount
	2021		2022	2023	Thereafter	Total
	(In thousands)
Financial standby letters of credit and other financial surety instruments	$	45,889	140,828	112	50	$	186,879

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Earnings (Losses) Per Share (Tables)

9 Months Ended

Sep. 30, 2021

Earnings (Losses) Per Share

Earnings (losses) per share computations

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2021		2020		2021		2020
	(In thousands, except per share amounts)
BASIC EPS:
Net income (loss) (numerator):
Income (loss) from continuing operations, net of tax		$	(115,702)	$	(146,682)	$	(434,434)	$	(658,919)
Less: net (income) loss attributable to noncontrolling interest			(6,778)		(10,805)		(21,168)		(38,437)
Less: preferred stock dividends			—		(3,653)		(3,653)		(10,958)
Less: accrued distribution on redeemable noncontrolling interest in subsidiary			(2,356)		(4,353)		(7,088)		(13,092)
Less: distributed and undistributed earnings allocated to unvested shareholders			—		—		—		(125)
Numerator for basic earnings per share:
Adjusted income (loss) from continuing operations, net of tax - basic		$	(124,836)	$	(165,493)	$	(466,343)	$	(721,531)
Income (loss) from discontinued operations, net of tax		$	(20)	$	22	$	7	$	(48)
Weighted-average number of shares outstanding - basic			7,907		7,064		7,490		7,056
Earnings (losses) per share:
Basic from continuing operations		$	(15.79)	$	(23.42)	$	(62.26)	$	(102.25)
Basic from discontinued operations			—		—		—		(0.01)
Total Basic		$	(15.79)	$	(23.42)	$	(62.26)	$	(102.26)
DILUTED EPS:
Adjusted income (loss) from continuing operations, net of tax - basic		$	(124,836)	$	(165,493)	$	(466,343)	$	(721,531)
Add: effect of reallocating undistributed earnings of unvested shareholders			—		—		—		—
Adjusted income (loss) from continuing operations, net of tax - diluted		$	(124,836)	$	(165,493)	$	(466,343)	$	(721,531)
Income (loss) from discontinued operations, net of tax		$	(20)	$	22	$	7	$	(48)
Weighted-average number of shares outstanding - basic			7,907		7,064		7,490		7,056
Add: dilutive effect of potential common shares			—		—		—		—
Weighted-average number of shares outstanding - diluted			7,907		7,064		7,490		7,056
Earnings (losses) per share:
Diluted from continuing operations		$	(15.79)	$	(23.42)	$	(62.26)	$	(102.25)
Diluted from discontinued operations			—		—		—		(0.01)
Total Diluted		$	(15.79)	$	(23.42)	$	(62.26)	$	(102.26)

Potentially dilutive securities excluded as anti-dilutive

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2021		2020		2021		2020
	(In thousands)
Potentially dilutive securities excluded as anti-dilutive			22		36		33		57

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Impairments and Other Charges (Tables)

9 Months Ended

Sep. 30, 2021

Impairments and Other Charges

Schedule of impairments and other charges

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
	(in thousands)
Goodwill impairments	$	—	$	—	$	—	$	27,798
Intangible asset impairment		—		—		—		83,625
US Drilling		—		—		—		87,333
Canada Drilling		545		—		58,545		—
International Drilling		—		544		215		63,620
Drilling Solutions		—		(17)		—		28,624
Rig Technologies		—		(182)		418		2,526
Oil and gas related assets		—		—		—		12,286
Severance and transaction related costs		2,324		4,779		4,916		16,614
Other assets		199		(107)		1,325		16,877
Total	$	3,068	$	5,017	$	65,419		339,303

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Supplemental Balance Sheet and Income Statement Information (Tables)

9 Months Ended

Sep. 30, 2021

Supplemental Balance Sheet and Income Statement Information

Accrued liabilities

	September 30,		December 31,
	2021		2020
	(In thousands)
Accrued compensation	$	66,706	$	82,462
Deferred revenue and proceeds on insurance and asset sales		63,824		61,473
Other taxes payable		31,870		28,602
Workers’ compensation liabilities		7,788		7,788
Interest payable		40,340		62,935
Litigation reserves		14,676		13,976
Dividends declared and payable		—		3,653
Other accrued liabilities		10,152		15,196
	$	235,356	$	276,085

Schedule of investment income (loss)

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
	(In thousands)
Interest and dividend income	$	211	$	177	$	1,214	$	3,781
Gains (losses) on marketable securities		(11)		(919)		187		(5,685)
	$	200	$	(742)	$	1,401	$	(1,904)

Other, net

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2021		2020		2021		2020
	(In thousands)
Losses (gains) on sales, disposals and involuntary conversions of long-lived assets		$	(168)	$	3,324	$	17,320	$	5,752
Purchase of technology			14,733		—		14,733		—
Litigation expenses and reserves			2,603		621		5,944		2,733
Foreign currency transaction losses (gains)			867		9,295		3,394		11,377
(Gain) loss on debt buyback			(2,521)		(14,170)		(10,706)		(65,848)
Other losses (gains)			4,176		505		455		(2,344)
		$	19,690	$	(425)	$	31,140	$	(48,330)

Schedule of changes in accumulated other comprehensive income (loss)

	Gains		Defined
	(losses) on		benefit		Foreign
	cash flow		pension plan		currency
	hedges		items		items		Total
	(In thousands (1) )
As of January 1, 2020	$	(65)	$	(3,778)	$	(7,945)	$	(11,788)
Other comprehensive income (loss) before reclassifications		—		—		(7,029)		(7,029)
Amounts reclassified from accumulated other comprehensive income (loss)		67		120		—		187
Net other comprehensive income (loss)		67		120		(7,029)		(6,842)
As of September 30, 2020	$	2	$	(3,658)	$	(14,974)	$	(18,630)

(1) All amounts are net of tax.

	Gains		Defined
	(losses) on		benefit		Foreign
	cash flow		pension plan		currency
	hedges		items		items		Total
	(In thousands (1) )
As of January 1, 2021	$	2	$	(3,616)	$	(7,510)	$	(11,124)
Other comprehensive income (loss) before reclassifications		—		(1,900)		2,032		132
Amounts reclassified from accumulated other comprehensive income (loss)		—		120		—		120
Net other comprehensive income (loss)		—		(1,780)		2,032		252
As of September 30, 2021	$	2	$	(5,396)	$	(5,478)	$	(10,872)

(1) All amounts are net of tax.

Schedule of line items that were reclassified from net income

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2021		2020		2021		2020
	(In thousands)
Interest expense		$	—	$	(124)	$	—	$	160
General and administrative expenses			52		52		156		156
Total income (loss) from continuing operations before income tax			(52)		72		(156)		(316)
Tax expense (benefit)			(12)		(35)		(36)		(129)
Reclassification adjustment for (gains)/ losses included in net income (loss)		$	(40)	$	107	$	(120)	$	(187)

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Segment Information (Tables)

9 Months Ended

Sep. 30, 2021

Segment Information

Financial information with respect to operating segments

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2021		2020		2021		2020
	(In thousands)
Operating revenues:
U.S. Drilling		$	173,441	$	130,243	$	477,346	$	578,928
Canada Drilling			6,034		10,774		39,336		39,929
International Drilling			270,008		248,392		772,128		886,580
Drilling Solutions			45,880		29,324		120,697		117,837
Rig Technologies			42,053		28,466		102,353		104,198
Other reconciling items (1)			(13,251)		(8,847)		(37,851)		(36,825)
Total		$	524,165	$	438,352	$	1,474,009	$	1,690,647

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2021		2020		2021		2020
	(In thousands)
Adjusted operating income (loss): (2)
U.S. Drilling		$	(19,700)	$	(39,162)	$	(63,905)	$	(69,961)
Canada Drilling			1,371		(3,507)		2,670		(9,265)
International Drilling			(7,297)		(16,872)		(34,368)		(20,743)
Drilling Solutions			8,607		(3,583)		19,841		8,699
Rig Technologies			1,926		(1,807)		(1,335)		(11,450)
Total segment adjusted operating income (loss)		$	(15,093)	$	(64,931)	$	(77,097)	$	(102,720)

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
		2021		2020		2021		2020
	(In thousands)
Reconciliation of segment adjusted operating income (loss) to net income (loss) from continuing operations before income taxes:
Total segment adjusted operating income (loss) (2)		$	(15,093)	$	(64,931)	$	(77,097)	$	(102,720)
Other reconciling items (3)			(33,050)		(27,709)		(98,045)		(86,547)
Investment income (loss)			200		(742)		1,401		(1,904)
Interest expense			(42,217)		(52,403)		(126,906)		(158,331)
Impairments and other charges			(3,068)		(5,017)		(65,419)		(339,303)
Other, net			(19,690)		425		(31,140)		48,330
Income (loss) from continuing operations before income taxes		$	(112,918)	$	(150,377)	$	(397,206)	$	(640,475)

	September 30,		December 31,
	2021		2020
	(In thousands)
Total assets:
U.S. Drilling	$	1,675,517	$	1,871,008
Canada Drilling		11,468		174,123
International Drilling		2,442,054		2,688,912
Drilling Solutions		76,041		100,278
Rig Technologies		200,814		225,954
Other reconciling items (3)		768,932		443,153
Total	$	5,174,826	$	5,503,428

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

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

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

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Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2021

Revenue Recognition

Summary of revenue is disaggregation by geographical region

	Three Months Ended
	September 30, 2021
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	132,639	$	—	$	—	$	26,917	$	17,040	$	—	$	176,596
U.S. Offshore Gulf of Mexico		35,063		—		—		1,634		—		—		36,697
Alaska		5,739		—		—		163		1		—		5,903
Canada		—		6,034		—		340		1,046		—		7,420
Middle East & Asia		—		—		179,617		10,872		20,678		—		211,167
Latin America		—		—		70,692		5,564		—		—		76,256
Europe, Africa & CIS		—		—		19,699		390		3,288		—		23,377
Eliminations & other		—		—		—		—		—		(13,251)		(13,251)
Total	$	173,441	$	6,034	$	270,008	$	45,880	$	42,053	$	(13,251)	$	524,165

	Nine Months Ended
	September 30, 2021
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	363,536	$	—	$	—	$	66,801	$	45,025	$	—	$	475,362
U.S. Offshore Gulf of Mexico		95,222		—		—		6,192		—		—		101,414
Alaska		18,588		—		—		484		14		—		19,086
Canada		—		39,336		—		998		3,329		—		43,663
Middle East & Asia		—		—		522,142		29,320		43,334		—		594,796
Latin America		—		—		184,531		15,788		176		—		200,495
Europe, Africa & CIS		—		—		65,455		1,114		10,475		—		77,044
Eliminations & other		—		—		—		—		—		(37,851)		(37,851)
Total	$	477,346	$	39,336	$	772,128	$	120,697	$	102,353	$	(37,851)	$	1,474,009

	Three Months Ended
	September 30, 2020
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	96,433	$	—	$	—	$	15,769	$	10,220	$	—	$	122,422
U.S. Offshore Gulf of Mexico		26,943		—		—		2,011		—		—		28,954
Alaska		6,867		—		—		66		2		—		6,935
Canada		—		10,774		—		187		515		—		11,476
Middle East & Asia		—		—		176,617		10,096		13,869		—		200,582
Latin America		—		—		43,881		902		15		—		44,798
Europe, Africa & CIS		—		—		27,894		293		3,845		—		32,032
Eliminations & other		—		—		—		—		—		(8,847)		(8,847)
Total	$	130,243	$	10,774	$	248,392	$	29,324	$	28,466	$	(8,847)	$	438,352

	Nine Months Ended
	September 30, 2020
		U.S. Drilling		Canada Drilling		International Drilling		Drilling Solutions		Rig Technologies		Other		Total
	(In thousands)
Lower 48	$	445,478	$	—	$	—	$	70,805	$	42,860	$	—	$	559,143
U.S. Offshore Gulf of Mexico		102,681		—		—		7,044		—		—		109,725
Alaska		30,769		—		—		1,296		20		—		32,085
Canada		—		39,929		—		995		2,711		—		43,635
Middle East & Asia		—		—		571,108		31,630		46,003		—		648,741
Latin America		—		—		177,800		4,284		136		—		182,220
Europe, Africa & CIS		—		—		137,672		1,783		12,468		—		151,923
Eliminations & other		—		—		—		—		—		(36,825)		(36,825)
Total	$	578,928	$	39,929	$	886,580	$	117,837	$	104,198	$	(36,825)	$	1,690,647

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

			Contract		Contract		Contract		Contract
	Contract		Assets		Assets		Liabilities		Liabilities
	Receivables		(Current)		(Long-term)		(Current)		(Long-term)
	(In millions)
As of December 31, 2020	$	427.2	$	23.5	$	6.8	$	42.8	$	44.2
As of September 30, 2021	$	342.4	$	26.2	$	3.1	$	45.5	$	30.5

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General (Details) $ in Millions	1 Months Ended	9 Months Ended
	Jul. 31, 2021 USD ($) item	Sep. 30, 2021 item country
General
Number of countries company has actively marketed rigs for land based drilling operations | country		20
Actively marketed rigs for offshore based drilling operations		29
Canada
General
Sale of drilling segment assets | $	$ 94.0
Number of land based drilling rigs	35
United States and Canada
General
Actively marketed rigs for land based drilling operations		304
Countries Other Than United States and Canada
General
Actively marketed rigs for land based drilling operations		14

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Summary of Significant Accounting Policies - Inventory (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Inventory, net
Raw materials	$ 109,304	$ 133,424
Work-in-progress	6,084	3,452
Finished goods	21,604	23,709
Total inventory	$ 136,992	$ 160,585

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Joint Ventures (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Jan. 31, 2021	Dec. 31, 2017	Sep. 30, 2021	Dec. 31, 2020	Sep. 30, 2020	Dec. 31, 2019
Assets:
Cash and cash equivalents			$ 771,878	$ 472,246	$ 504,985	$ 435,990
Accounts receivable			282,726	362,977
Other current assets			114,240	109,595
Property, plant and equipment, net			3,443,737	3,985,707
Other long-term assets			151,783	139,085
Total assets			5,174,826	5,503,428
Liabilities:
Accounts payable			251,740	220,922
Accrued liabilities			235,356	276,085
Other long-term liabilities			346,327	318,034
Total liabilities			3,940,150	3,803,780
SANAD
Joint Ventures
Settled accrued interest	$ 100,000
Assets:
Cash and cash equivalents			322,461	368,981
Accounts receivable			70,383	79,711
Other current assets			9,047	17,148
Property, plant and equipment, net			467,606	428,331
Other long-term assets			20,128	2,590
Total assets			889,625	896,761
Liabilities:
Accounts payable			72,508	61,808
Accrued liabilities			11,635	18,791
Other long-term liabilities			18,967
Total liabilities			$ 103,110	$ 80,599
SANAD | Saudi Aramco
Joint Ventures
Cash contribution for joint venture		$ 20,000
Additional contribution amount		$ 394,000
Maturity period		25 years

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Accounts Receivable Sales Agreement (Details) - USD ($) $ in Thousands	Jul. 13, 2021	Sep. 30, 2021	Jul. 12, 2021	Dec. 31, 2020	Sep. 30, 2020	Dec. 31, 2019
Accounts Receivable Sales Agreement
Cash and cash equivalents		$ 771,878		$ 472,246	$ 504,985	$ 435,990
5.50% senior notes due January 2023
Accounts Receivable Sales Agreement
Interest rate (as a percent)		5.50%
Accounts Receivable Sales Agreement
Accounts Receivable Sales Agreement
Agreement amount	$ 150,000		$ 250,000
Agreement expiration term extension (in years)	2 years
Accounts receivables sold to purchasers		$ 96,000		54,000
Trade receivables pledged as collateral		$ 41,800		$ 63,100

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Debt (Details)	1 Months Ended			3 Months Ended	9 Months Ended
	Oct. 31, 2021 USD ($)	Sep. 30, 2020 USD ($)	Jan. 31, 2017 USD ($) $ / shares	Sep. 30, 2021 USD ($)	Sep. 30, 2021 USD ($)	Mar. 31, 2021	Dec. 31, 2020 USD ($)	Dec. 13, 2019 USD ($)	Oct. 11, 2018 USD ($)
Debt
Long-term Debt, Gross				$ 3,093,799,000	$ 3,093,799,000		$ 2,990,971,000
Less: deferred financing costs				18,279,000	18,279,000		22,270,000
Long-term debt				3,075,520,000	3,075,520,000		2,968,701,000
Gain (Loss) on debt repurchase					10,700,000
Revolving credit facility				925,000,000	925,000,000		672,500,000
2018 revolving credit facility
Debt
Repayment of revolving credit facility	$ 335,000,000.0
Revolving credit facility				$ 925,000,000.0	$ 925,000,000.0
Maximum borrowing capacity								$ 1,013,600,000.0000	$ 1,267,000,000
Weighted average interest rate (as a percent)				3.72%	3.72%
Debt instrument, covenant, minimum liquidity, amount		$ 160,000,000.0
Debt covenant threshold amount added to restricted cash and cash equivalents for minimum liquidity		75,000,000
Debt covenant threshold percentage		$ 75
Collateralized assets, net value				$ 1,230,000,000	$ 1,230,000,000
2018 revolving credit facility | Maximum
Debt
Debt to EBITDA ratio		5.5						5.5
2018 revolving credit facility | Guarantor Subsidiaries | Minimum
Debt
Debt instrument, guarantor coverage ratio		4.25
2018 revolving credit facility | Nabors Delaware
Debt
Interest rate on senior notes (as a percent)									5.50%
Maximum borrowing capacity								$ 981,600,000
2018 revolving credit facility | Nabors Canada
Debt
Maximum borrowing capacity								$ 32,000,000.0
Senior Notes.
Debt
Principal amount redeemed				$ 67,600,000	67,600,000
Repayment of long-term debt including accrued and unpaid interest					57,400,000
Payment of accrued and unpaid interest					$ 1,200,000
4.625% senior notes due September 2021
Debt
Senior Notes							86,329,000
Interest rate on senior notes (as a percent)				4.625%	4.625%
Repayments of senior debt				$ 82,500,000
5.50% senior notes due January 2023
Debt
Senior Notes				$ 24,446,000	$ 24,446,000		28,443,000
Interest rate on senior notes (as a percent)				5.50%	5.50%
5.10% senior notes due September 2023
Debt
Senior Notes				$ 91,962,000	$ 91,962,000		121,077,000
Interest rate on senior notes (as a percent)				5.10%	5.10%
0.75% senior exchangeable notes due January 2024
Debt
Senior Notes				$ 256,779,000	$ 256,779,000		279,700,000
Interest rate on senior notes (as a percent)			0.75%	0.75%	0.75%
5.75% senior notes due February 2025
Debt
Senior Notes				$ 577,458,000	$ 577,458,000		610,818,000
Interest rate on senior notes (as a percent)				5.75%	5.75%
7.25% senior notes due January 2026
Debt
Interest rate on senior notes (as a percent)				7.25%	7.25%
7.50% senior notes due January 2028
Debt
Interest rate on senior notes (as a percent)				7.50%	7.50%
6.50% senior priority guaranteed notes due February 2025
Debt
Senior Notes				$ 50,485,000	$ 50,485,000		50,485,000
Interest rate on senior notes (as a percent)				6.50%	6.50%
9.00% senior priority guaranteed notes due February 2025
Debt
Senior Notes				$ 218,082,000	$ 218,082,000		192,032,000
Interest rate on senior notes (as a percent)				9.00%	9.00%
7.25% senior guaranteed notes due January 2026
Debt
Senior Notes				$ 559,978,000	$ 559,978,000		559,978,000
Interest rate on senior notes (as a percent)				7.25%	7.25%
7.50% senior guaranteed notes due January 2028
Debt
Senior Notes				$ 389,609,000	$ 389,609,000		$ 389,609,000
Interest rate on senior notes (as a percent)				7.50%	7.50%
Debt Exchange Transactions
Debt
Future contractual interest payments				$ 9,400,000	$ 9,400,000
Aggregate principal amount exchanged				40,000,000	40,000,000
Aggregate principal amount of debt issued in exchanges				26,050,000	26,050,000
Debt Exchange Transactions | Nabors Delaware
Debt
Aggregate principal amount exchanged				40,000,000.0	40,000,000.0
Debt Exchange Transactions | 0.75% senior exchangeable notes due January 2024
Debt
Long-term Debt				256,800,000	256,800,000
Aggregate amount of senior notes			$ 575,000,000.0
Interest rate on senior notes (as a percent)			0.75%
Debt exchangeable notes			$ 411,200,000
Equity component			$ 163,800,000
Exchange rate of common shares			0.8018
Principal amount of notes			$ 1,000
Exchange price per common share (in dollars per share) | $ / shares			$ 1,247.19
Aggregate principal amount exchanged				35,000,000	35,000,000
Debt Exchange Transactions | 5.75% senior notes due February 2025
Debt
Aggregate principal amount exchanged				5,000,000	5,000,000
Debt Exchange Transactions | 9.00% senior priority guaranteed notes due February 2025
Debt
Aggregate amount of senior notes				$ 26,100,000	$ 26,100,000
Interest rate on senior notes (as a percent)				9.00%	9.00%	9.00%

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Shareholders Equity (Details)				3 Months Ended		9 Months Ended		12 Months Ended
	Jul. 19, 2021 USD ($) shares	Jun. 11, 2021 shares	Apr. 20, 2020 USD ($) $ / shares shares	Sep. 30, 2021 USD ($) $ / shares shares	Sep. 30, 2020 $ / shares	Sep. 30, 2021 USD ($) $ / shares shares	Sep. 30, 2020 $ / shares	Dec. 31, 2020 $ / shares shares	May 27, 2021 USD ($) item $ / shares shares	Apr. 24, 2020 shares	Apr. 19, 2020 $ / shares shares	Jan. 31, 2017
Common shares
Reverse stock split ratio			50
Common shares, shares authorized			16,000,000	32,000,000		32,000,000		32,000,000		32,000,000	800,000,000
Fractional common shares issued			0
Common shares, par value (in dollars per share) | $ / shares			$ 0.05	$ 0.05		$ 0.05		$ 0.05			$ 0.001
Common stock shares authorized increase percentage			100.00%
Common stock shares authorized amount | $			$ 1,600,000
Shares issued in connection with acquisition of carbon capture and hydrogen technologies	147,974
Value of shares issued in connection with acquisition of carbon capture and hydrogen technologies | $	$ 12,900,000			$ 12,872,000		$ 12,872,000
Number of shares that are forfeitable if certain milestones are not achieved over the next two years	71,280
Preferred stock, rate (as a percent)						6.00%		6.00%
Preferred shares, par value (in dollars per share) | $ / shares				$ 0.001		$ 0.001		$ 0.001
Preferred stock, liquidation preference (in dollars per share) | $ / shares				$ 50		50		$ 50
Preferred Stock, Dividends Per Share, Declared | $ / shares					$ 0.75	$ 0.75	$ 2.25
Number of right share for each outstanding common share									1
Number of warrants received per common share held		0.40
Number of warrants issued		3,200,000
Exercise price (in dollars per share) | $ / shares									$ 166.66667
Number of additional securities									0.333
Multiplying factor for exercise of warrants | item									3
Percentage volume weighted average price of stock times factor must exceed sum of volume weighted average prices of second, third and fourth days before exercise									6.00%
Conversion price percentage									95.00%
Fair value of the Warrants | $				$ 100,000		$ 100,000			$ 2,700,000
Gain for the decrease in liability | $						$ 2,600,000
Preferred stock, shares outstanding				0		0		4,870,000
5.10% senior notes due September 2023
Common shares
Interest rate (as a percent)				5.10%		5.10%
0.75% senior exchangeable notes due January 2024
Common shares
Interest rate (as a percent)				0.75%		0.75%						0.75%
5.75% senior notes due February 2025
Common shares
Interest rate (as a percent)				5.75%		5.75%
7.25% senior notes due January 2026
Common shares
Interest rate (as a percent)				7.25%		7.25%
Minimum
Common shares
Reverse stock split ratio			15
Maximum
Common shares
Reverse stock split ratio			50
Common Stock
Common shares
Shares issued in connection with acquisition of carbon capture and hydrogen technologies				148		148
Value of shares issued in connection with acquisition of carbon capture and hydrogen technologies | $				$ 7,000		$ 7,000

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Fair Value Measurements - Debt (Details) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2021 USD ($) D	Dec. 31, 2020 USD ($)	Jan. 31, 2017
Fair Value of Financial Instruments
Number of business day notice period | D	20
Less: deferred financing costs	$ 18,279	$ 22,270
4.625% senior notes due September 2021
Fair Value of Financial Instruments
Interest rate on senior notes (as a percent)	4.625%
5.50% senior notes due January 2023
Fair Value of Financial Instruments
Interest rate on senior notes (as a percent)	5.50%
5.10% senior notes due September 2023
Fair Value of Financial Instruments
Interest rate on senior notes (as a percent)	5.10%
0.75% senior exchangeable notes due January 2024
Fair Value of Financial Instruments
Interest rate on senior notes (as a percent)	0.75%		0.75%
5.75% senior notes due February 2025
Fair Value of Financial Instruments
Interest rate on senior notes (as a percent)	5.75%
6.50% senior priority guaranteed notes due February 2025
Fair Value of Financial Instruments
Interest rate on senior notes (as a percent)	6.50%
9.00% senior priority guaranteed notes due February 2025
Fair Value of Financial Instruments
Interest rate on senior notes (as a percent)	9.00%
7.25% senior guaranteed notes due January 2026
Fair Value of Financial Instruments
Interest rate on senior notes (as a percent)	7.25%
7.50% senior guaranteed notes due January 2028
Fair Value of Financial Instruments
Interest rate on senior notes (as a percent)	7.50%
Fair Value
Fair Value of Financial Instruments
Debt	$ 3,018,284	2,229,649
Fair Value | 2018 revolving credit facility
Fair Value of Financial Instruments
Debt	925,000	672,500
Fair Value | 4.625% senior notes due September 2021
Fair Value of Financial Instruments
Debt		78,862
Fair Value | 5.50% senior notes due January 2023
Fair Value of Financial Instruments
Debt	24,117	18,768
Fair Value | 5.10% senior notes due September 2023
Fair Value of Financial Instruments
Debt	90,284	78,435
Fair Value | 0.75% senior exchangeable notes due January 2024
Fair Value of Financial Instruments
Debt	253,182	169,458
Fair Value | 5.75% senior notes due February 2025
Fair Value of Financial Instruments
Debt	534,270	318,871
Fair Value | 6.50% senior priority guaranteed notes due February 2025
Fair Value of Financial Instruments
Debt	50,102	44,059
Fair Value | 9.00% senior priority guaranteed notes due February 2025
Fair Value of Financial Instruments
Debt	226,116	185,221
Fair Value | 7.25% senior guaranteed notes due January 2026
Fair Value of Financial Instruments
Debt	544,730	396,106
Fair Value | 7.50% senior guaranteed notes due January 2028
Fair Value of Financial Instruments
Debt	370,483	267,369
Carrying Value
Fair Value of Financial Instruments
Debt	3,093,799	2,990,971
Less: deferred financing costs	18,279	22,270
Debt, net of financing costs	3,075,520	2,968,701
Carrying Value | 2018 revolving credit facility
Fair Value of Financial Instruments
Debt	925,000	672,500
Carrying Value | 4.625% senior notes due September 2021
Fair Value of Financial Instruments
Debt		86,329
Carrying Value | 5.50% senior notes due January 2023
Fair Value of Financial Instruments
Debt	24,446	28,443
Carrying Value | 5.10% senior notes due September 2023
Fair Value of Financial Instruments
Debt	91,962	121,077
Carrying Value | 0.75% senior exchangeable notes due January 2024
Fair Value of Financial Instruments
Debt	256,779	279,700
Carrying Value | 5.75% senior notes due February 2025
Fair Value of Financial Instruments
Debt	577,458	610,818
Carrying Value | 6.50% senior priority guaranteed notes due February 2025
Fair Value of Financial Instruments
Debt	50,485	50,485
Carrying Value | 9.00% senior priority guaranteed notes due February 2025
Fair Value of Financial Instruments
Debt	218,082	192,032
Carrying Value | 7.25% senior guaranteed notes due January 2026
Fair Value of Financial Instruments
Debt	559,978	559,978
Carrying Value | 7.50% senior guaranteed notes due January 2028
Fair Value of Financial Instruments
Debt	$ 389,609	$ 389,609

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Commitments and Contingencies - Litigation (Details) $ in Millions	1 Months Ended	9 Months Ended	12 Months Ended
	Mar. 31, 2011 USD ($)	Sep. 30, 2021 USD ($)	Dec. 31, 2018 USD ($)
Court of Ouargla Algeria Foreign Currency Controls
Commitments and Contingencies, Disclosure
Litigation amount as per judgment	$ 20.7
Payment of contract amount in foreign currency	7.5
Payment of contract amount in domestic currency	$ 3.2
Approximate multiplier of the amount at issue for fines and penalties		4
Court of Ouargla Algeria Foreign Currency Controls | Maximum
Commitments and Contingencies, Disclosure
Potential judgment in excess of accrual		$ 12.7
KMG Nabors Drilling Company Joint Venture | Atyrau Oblast Ecology Department
Commitments and Contingencies, Disclosure
Administrative fines			$ 0.8
KMG Nabors Drilling Company Joint Venture | Atyrau Oblast Ecology Department | Minimum
Commitments and Contingencies, Disclosure
Environmental damages			$ 3.4

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Commitments and Contingencies - Financial Guarantees (Details) $ in Thousands	Sep. 30, 2021 USD ($)
Summary of total maximum amount of financial guarantees issued
2021	$ 45,889
2022	140,828
2023	112
Thereafter	50
Total	$ 186,879

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Earnings (Losses) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Net income (loss) (numerator):
Income (loss) from continuing operations, net of tax	$ (115,702)	$ (146,682)	$ (434,434)	$ (658,919)
Less: net (income) loss attributable to noncontrolling interest	(6,778)	(10,805)	(21,168)	(38,437)
Less: preferred stock dividends		(3,653)	(3,653)	(10,958)
Less: accrued distribution on redeemable noncontrolling interest in subsidiary	(2,356)	(4,353)	(7,088)	(13,092)
Less: distributed and undistributed earnings allocated to unvested shareholders				(125)
Adjusted income (loss) from continuing operations, net of tax - basic	(124,836)	(165,493)	(466,343)	(721,531)
Income (loss) from discontinued operations, net of tax	$ (20)	$ 22	$ 7	$ (48)
Weighted-average number of shares outstanding - basic	7,907	7,064	7,490	7,056
Earnings (losses) Per Share:
Basic from continuing operations (in dollars per share)	$ (15.79)	$ (23.42)	$ (62.26)	$ (102.25)
Basic from discontinued operations (in dollars per share)				(0.01)
Total Basic (in dollars per share)	$ (15.79)	$ (23.42)	$ (62.26)	$ (102.26)
DILUTED EPS:
Adjusted income (loss) from continuing operations, net of tax - basic	$ (124,836)	$ (165,493)	$ (466,343)	$ (721,531)
Adjusted income (loss) from continuing operations, net of tax - diluted	(124,836)	(165,493)	(466,343)	(721,531)
Income (loss) from discontinued operations, net of tax	$ (20)	$ 22	$ 7	$ (48)
Weighted-average number of shares outstanding - basic	7,907	7,064	7,490	7,056
Weighted-average number of shares outstanding - diluted	7,907	7,064	7,490	7,056
Earnings (losses) per share:
Diluted from continuing operations (in dollars per share)	$ (15.79)	$ (23.42)	$ (62.26)	$ (102.25)
Diluted from discontinued operations (in dollars per share)				(0.01)
Total Diluted (in dollars per share)	$ (15.79)	$ (23.42)	$ (62.26)	$ (102.26)

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Earnings (Losses) Per Share - Exclusions from Diluted Earnings (Details) - shares shares in Thousands	3 Months Ended				9 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities excluded as anti-dilutive	22			36	33	57
Mandatory Convertible Preferred Shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities excluded as anti-dilutive		5,000	790

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Impairments and Other Charges (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Mar. 31, 2020	Jun. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Impairments and Other Charges
Goodwill impairments						$ 27,798
Intangible asset impairment						83,625
Oil and gas related assets			$ 12,300			12,286
Severance and transaction related costs	$ 2,324	$ 4,779			$ 4,916	16,614
Other assets	199	(107)			1,325	16,877
Total	3,068	5,017			65,419	339,303
U.S. Drilling
Impairments and Other Charges
Impairment of assets			33,300
U.S. Drilling | Drilling, workover rigs and related equipment
Impairments and Other Charges
Impairment of assets					87,300	87,333
Provision for retirement of assets			54,000
Canada Drilling | Drilling, workover rigs and related equipment
Impairments and Other Charges
Impairment of assets	$ 545				58,545
International Drilling | Drilling, workover rigs and related equipment
Impairments and Other Charges
Impairment of assets		544			215	63,620
Recorded impairment			30,500	$ 32,600
Drilling Solutions
Impairments and Other Charges
Goodwill impairments			11,400
Drilling Solutions | Drilling, workover rigs and related equipment
Impairments and Other Charges
Impairment of assets		(17)			28,600	28,624
Rig Technologies
Impairments and Other Charges
Goodwill impairments			16,400
Provision for obsolescence						2,500
Rig Technologies | Drilling, workover rigs and related equipment
Impairments and Other Charges
Impairment of assets		$ (182)			$ 418	$ 2,526
Drilling and Rig Services
Impairments and Other Charges
Intangible asset impairment			$ 83,600

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Supplemental Balance Sheet and Income Statement Information - Accrued Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Accrued liabilities
Accrued compensation	$ 66,706	$ 82,462
Deferred revenue and proceeds on insurance and asset sales	63,824	61,473
Other taxes payable	31,870	28,602
Workers' compensation liabilities	7,788	7,788
Interest payable	40,340	62,935
Litigation reserves	14,676	13,976
Dividends declared and payable		3,653
Other accrued liabilities	10,152	15,196
Accrued liabilities	$ 235,356	$ 276,085

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Supplemental Balance Sheet and Income Statement Information - Investment income (loss) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Investment income (loss)
Interest and dividend income, including correction	$ 211
Interest and dividend income		$ 177	$ 1,214	$ 3,781
Gains (losses) on marketable securities	(11)	(919)	187	(5,685)
Investment income (loss)	$ 200	$ (742)	$ 1,401	$ (1,904)

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Supplemental Balance Sheet and Income Statement Information - Other Expense (Income) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Other expense (income)
Losses (gains) on sales, disposals and involuntary conversions of long-lived assets	$ (168)	$ 3,324	$ 17,320	$ 5,752
Purchase of technology	14,733		14,733
Litigation expenses and reserves	2,603	621	5,944	2,733
Foreign currency transaction losses (gains)	867	9,295	3,394	11,377
(Gain) loss on debt buyback	(2,521)	(14,170)	(10,706)	(65,848)
Other losses (gains)	4,176	505	455	(2,344)
Other, net	$ 19,690	$ (425)	$ 31,140	$ (48,330)

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Supplemental Balance Sheet and Income Statement Information - Accumulated Other Comp Inc (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Changes in accumulated other comprehensive income (loss)
Balance at the beginning of the period			$ 1,151,384
Other comprehensive income (loss), net of tax	$ (2,248)	$ 3,558	252	$ (6,842)
Balance at the end of the period	709,021		709,021
Accumulated Other Comprehensive Income
Changes in accumulated other comprehensive income (loss)
Balance at the beginning of the period			(11,124)	(11,788)
Other comprehensive income (loss) before reclassifications			132	(7,029)
Amounts reclassified from accumulated other comprehensive income (loss)			120	187
Other comprehensive income (loss), net of tax			252	(6,842)
Balance at the end of the period	(10,872)	(18,630)	(10,872)	(18,630)
Gains (losses) on cash flow hedges
Changes in accumulated other comprehensive income (loss)
Balance at the beginning of the period			2	(65)
Amounts reclassified from accumulated other comprehensive income (loss)				67
Other comprehensive income (loss), net of tax				67
Balance at the end of the period	2	2	2	2
Defined benefit pension plan items
Changes in accumulated other comprehensive income (loss)
Balance at the beginning of the period			(3,616)	(3,778)
Other comprehensive income (loss) before reclassifications			(1,900)
Amounts reclassified from accumulated other comprehensive income (loss)			120	120
Other comprehensive income (loss), net of tax			(1,780)	120
Balance at the end of the period	(5,396)	(3,658)	(5,396)	(3,658)
Foreign currency items
Changes in accumulated other comprehensive income (loss)
Balance at the beginning of the period			(7,510)	(7,945)
Other comprehensive income (loss) before reclassifications			2,032	(7,029)
Other comprehensive income (loss), net of tax			2,032	(7,029)
Balance at the end of the period	$ (5,478)	$ (14,974)	$ (5,478)	$ (14,974)

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Supplemental Balance Sheet and Income Statement Information - Reclass Accumulated Other (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Unrealized (gains) losses on available-for-sale securities that were reclassified from net income
Interest expense	$ 42,217	$ 52,403	$ 126,906	$ 158,331
General and administrative expenses	52,897	46,168	159,137	149,796
Income (loss) from continuing operations before income taxes	(112,918)	(150,377)	(397,206)	(640,475)
Tax expense (benefit)	2,784	(3,695)	37,228	18,444
Net income (loss)	(115,722)	(146,660)	(434,427)	(658,967)
Reclassification out of Accumulated Other Comprehensive Income
Unrealized (gains) losses on available-for-sale securities that were reclassified from net income
Interest expense		(124)		160
General and administrative expenses	52	52	156	156
Income (loss) from continuing operations before income taxes	(52)	72	(156)	(316)
Tax expense (benefit)	(12)	(35)	(36)	(129)
Net income (loss)	$ (40)	$ 107	$ (120)	$ (187)

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Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Operating revenues and earnings (losses) from unconsolidated affiliates:
Total operating revenues	$ 524,165	$ 438,352	$ 1,474,009	$ 1,690,647
Reconciliation of segment adjusted operating income (loss) to net income (loss) from continuing operations before income taxes:
Adjusted operating income (loss)	(15,093)	(64,931)	(77,097)	(102,720)
Investment income (loss)	200	(742)	1,401	(1,904)
Interest expense	(42,217)	(52,403)	(126,906)	(158,331)
Impairments and other charges	(3,068)	(5,017)	(65,419)	(339,303)
Other, net	(19,690)	425	(31,140)	48,330
Income (loss) from continuing operations before income taxes	(112,918)	(150,377)	(397,206)	(640,475)
ASSETS
Total assets	5,174,826		5,174,826		$ 5,503,428
Operating segment
Reconciliation of segment adjusted operating income (loss) to net income (loss) from continuing operations before income taxes:
Adjusted operating income (loss)	(15,093)	(64,931)	(77,097)	(102,720)
Other reconciling items
Reconciliation of segment adjusted operating income (loss) to net income (loss) from continuing operations before income taxes:
Adjusted operating income (loss)	(33,050)	(27,709)	(98,045)	(86,547)
ASSETS
Total assets	768,932		768,932		443,153
U.S. Drilling
Operating revenues and earnings (losses) from unconsolidated affiliates:
Total operating revenues	173,441	130,243	477,346	578,928
U.S. Drilling | Operating segment
Operating revenues and earnings (losses) from unconsolidated affiliates:
Total operating revenues	173,441	130,243	477,346	578,928
Reconciliation of segment adjusted operating income (loss) to net income (loss) from continuing operations before income taxes:
Adjusted operating income (loss)	(19,700)	(39,162)	(63,905)	(69,961)
ASSETS
Total assets	1,675,517		1,675,517		1,871,008
Canada Drilling
Operating revenues and earnings (losses) from unconsolidated affiliates:
Total operating revenues	6,034	10,774	39,336	39,929
Canada Drilling | Operating segment
Operating revenues and earnings (losses) from unconsolidated affiliates:
Total operating revenues	6,034	10,774	39,336	39,929
Reconciliation of segment adjusted operating income (loss) to net income (loss) from continuing operations before income taxes:
Adjusted operating income (loss)	1,371	(3,507)	2,670	(9,265)
ASSETS
Total assets	11,468		11,468		174,123
International Drilling
Operating revenues and earnings (losses) from unconsolidated affiliates:
Total operating revenues	270,008	248,392	772,128	886,580
International Drilling | Operating segment
Operating revenues and earnings (losses) from unconsolidated affiliates:
Total operating revenues	270,008	248,392	772,128	886,580
Reconciliation of segment adjusted operating income (loss) to net income (loss) from continuing operations before income taxes:
Adjusted operating income (loss)	(7,297)	(16,872)	(34,368)	(20,743)
ASSETS
Total assets	2,442,054		2,442,054		2,688,912
Drilling Solutions
Operating revenues and earnings (losses) from unconsolidated affiliates:
Total operating revenues	45,880	29,324	120,697	117,837
Drilling Solutions | Operating segment
Operating revenues and earnings (losses) from unconsolidated affiliates:
Total operating revenues	45,880	29,324	120,697	117,837
Reconciliation of segment adjusted operating income (loss) to net income (loss) from continuing operations before income taxes:
Adjusted operating income (loss)	8,607	(3,583)	19,841	8,699
ASSETS
Total assets	76,041		76,041		100,278
Rig Technologies | Operating segment
Reconciliation of segment adjusted operating income (loss) to net income (loss) from continuing operations before income taxes:
Adjusted operating income (loss)	1,926	$ (1,807)	(1,335)	$ (11,450)
ASSETS
Total assets	$ 200,814		$ 200,814		$ 225,954

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Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Operating revenues	$ 524,165	$ 438,352	$ 1,474,009	$ 1,690,647
U.S. Drilling
Disaggregation of Revenue [Line Items]
Operating revenues	173,441	130,243	477,346	578,928
Canada Drilling
Disaggregation of Revenue [Line Items]
Operating revenues	6,034	10,774	39,336	39,929
International Drilling
Disaggregation of Revenue [Line Items]
Operating revenues	270,008	248,392	772,128	886,580
Drilling Solutions
Disaggregation of Revenue [Line Items]
Operating revenues	45,880	29,324	120,697	117,837
Rig Technologies
Disaggregation of Revenue [Line Items]
Operating revenues	42,053	28,466	102,353	104,198
Other
Disaggregation of Revenue [Line Items]
Operating revenues	(13,251)	(8,847)	(37,851)	(36,825)
Operating segment | Lower 48
Disaggregation of Revenue [Line Items]
Operating revenues	176,596	122,422	475,362	559,143
Operating segment | U.S. Offshore Gulf Of Mexico
Disaggregation of Revenue [Line Items]
Operating revenues	36,697	28,954	101,414	109,725
Operating segment | Alaska
Disaggregation of Revenue [Line Items]
Operating revenues	5,903	6,935	19,086	32,085
Operating segment | Canada
Disaggregation of Revenue [Line Items]
Operating revenues	7,420	11,476	43,663	43,635
Operating segment | Middle East & Asia
Disaggregation of Revenue [Line Items]
Operating revenues	211,167	200,582	594,796	648,741
Operating segment | Latin America
Disaggregation of Revenue [Line Items]
Operating revenues	76,256	44,798	200,495	182,220
Operating segment | Europe, Africa & CIS
Disaggregation of Revenue [Line Items]
Operating revenues	23,377	32,032	77,044	151,923
Operating segment | U.S. Drilling
Disaggregation of Revenue [Line Items]
Operating revenues	173,441	130,243	477,346	578,928
Operating segment | U.S. Drilling | Lower 48
Disaggregation of Revenue [Line Items]
Operating revenues	132,639	96,433	363,536	445,478
Operating segment | U.S. Drilling | U.S. Offshore Gulf Of Mexico
Disaggregation of Revenue [Line Items]
Operating revenues	35,063	26,943	95,222	102,681
Operating segment | U.S. Drilling | Alaska
Disaggregation of Revenue [Line Items]
Operating revenues	5,739	6,867	18,588	30,769
Operating segment | Canada Drilling
Disaggregation of Revenue [Line Items]
Operating revenues	6,034	10,774	39,336	39,929
Operating segment | Canada Drilling | Canada
Disaggregation of Revenue [Line Items]
Operating revenues	6,034	10,774	39,336	39,929
Operating segment | International Drilling
Disaggregation of Revenue [Line Items]
Operating revenues	270,008	248,392	772,128	886,580
Operating segment | International Drilling | Middle East & Asia
Disaggregation of Revenue [Line Items]
Operating revenues	179,617	176,617	522,142	571,108
Operating segment | International Drilling | Latin America
Disaggregation of Revenue [Line Items]
Operating revenues	70,692	43,881	184,531	177,800
Operating segment | International Drilling | Europe, Africa & CIS
Disaggregation of Revenue [Line Items]
Operating revenues	19,699	27,894	65,455	137,672
Operating segment | Drilling Solutions
Disaggregation of Revenue [Line Items]
Operating revenues	45,880	29,324	120,697	117,837
Operating segment | Drilling Solutions | Lower 48
Disaggregation of Revenue [Line Items]
Operating revenues	26,917	15,769	66,801	70,805
Operating segment | Drilling Solutions | U.S. Offshore Gulf Of Mexico
Disaggregation of Revenue [Line Items]
Operating revenues	1,634	2,011	6,192	7,044
Operating segment | Drilling Solutions | Alaska
Disaggregation of Revenue [Line Items]
Operating revenues	163	66	484	1,296
Operating segment | Drilling Solutions | Canada
Disaggregation of Revenue [Line Items]
Operating revenues	340	187	998	995
Operating segment | Drilling Solutions | Middle East & Asia
Disaggregation of Revenue [Line Items]
Operating revenues	10,872	10,096	29,320	31,630
Operating segment | Drilling Solutions | Latin America
Disaggregation of Revenue [Line Items]
Operating revenues	5,564	902	15,788	4,284
Operating segment | Drilling Solutions | Europe, Africa & CIS
Disaggregation of Revenue [Line Items]
Operating revenues	390	293	1,114	1,783
Operating segment | Rig Technologies
Disaggregation of Revenue [Line Items]
Operating revenues	42,053	28,466	102,353	104,198
Operating segment | Rig Technologies | Lower 48
Disaggregation of Revenue [Line Items]
Operating revenues	17,040	10,220	45,025	42,860
Operating segment | Rig Technologies | Alaska
Disaggregation of Revenue [Line Items]
Operating revenues	1	2	14	20
Operating segment | Rig Technologies | Canada
Disaggregation of Revenue [Line Items]
Operating revenues	1,046	515	3,329	2,711
Operating segment | Rig Technologies | Middle East & Asia
Disaggregation of Revenue [Line Items]
Operating revenues	20,678	13,869	43,334	46,003
Operating segment | Rig Technologies | Latin America
Disaggregation of Revenue [Line Items]
Operating revenues		15	176	136
Operating segment | Rig Technologies | Europe, Africa & CIS
Disaggregation of Revenue [Line Items]
Operating revenues	3,288	3,845	10,475	12,468
Other reconciling items | Other
Disaggregation of Revenue [Line Items]
Operating revenues	(13,251)	(8,847)	(37,851)	(36,825)
Other reconciling items | Other | Other
Disaggregation of Revenue [Line Items]
Operating revenues	(13,251)	(8,847)	(37,851)	(36,825)
Other reconciling items (3)
Disaggregation of Revenue [Line Items]
Operating revenues	$ 13,251	$ 8,847	$ 37,851	$ 36,825

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Revenue Recognition - Changes in Contract Assets and Contract Liabilities (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Accounts receivables current
Contract Receivables	$ 342.4	$ 427.2
Contract with customer assets current
Contract Assets (Current)	26.2	23.5
Contract with customer non-current asset
Contract Assets (Long-term)	3.1	6.8
Contract with customer liability current
Contract Liabilities (Current)	45.5	42.8
Contract with customer liability non-current
Contract Liabilities (Long-term)	$ 30.5	$ 44.2
Contract Asset Balance
2021	74.00%
Contract percentage recognized	59.00%
2022	23.00%
2023 or thereafter	3.00%

XML

Revenue Recognition - Remaining Performance Obligation (Details)	Sep. 30, 2021
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01
Remaining performance obligations
Percentage of remaining performance obligation expected to be recognized in period	24.00%
Revenue, Remaining performance obligation, expected timing of satisfaction period	9 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-02
Remaining performance obligations
Percentage of remaining performance obligation expected to be recognized in period	42.00%
Revenue, Remaining performance obligation, expected timing of satisfaction period	12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01
Remaining performance obligations
Percentage of remaining performance obligation expected to be recognized in period	16.00%
Revenue, Remaining performance obligation, expected timing of satisfaction period	12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01
Remaining performance obligations
Percentage of remaining performance obligation expected to be recognized in period	42.00%
Revenue, Remaining performance obligation, expected timing of satisfaction period	12 months