CONDENSED CONSOLIDATED STATEMENTS OF INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenues and other income:
Operating revenues	$ 779,425	$ 662,103	$ 2,275,539	$ 1,856,008
Earnings (losses) from unconsolidated affiliates		4	1	6
Investment income (loss)	(1,342)	373	(4,041)	208
Total revenues and other income	778,083	662,480	2,271,499	1,856,222
Costs and other deductions:
Direct costs	497,194	441,263	1,466,572	1,246,428
General and administrative expenses	66,813	65,010	209,207	192,114
Research and engineering	14,458	12,960	42,703	36,060
Depreciation and amortization	208,517	217,075	640,227	628,837
Interest expense	51,415	54,607	173,393	165,813
Other, net	22,907	5,559	114,597	29,173
Total costs and other deductions	861,304	796,474	2,646,699	2,298,425
Income (loss) from continuing operations before income taxes	(83,221)	(133,994)	(375,200)	(442,203)
Income tax expense (benefit):
Current	5,016	8,644	17,251	45,646
Deferred	5,473	(23,353)	40,061	(105,460)
Total income tax expense (benefit)	10,489	(14,709)	57,312	(59,814)
Income (loss) from continuing operations, net of tax	(93,710)	(119,285)	(432,512)	(382,389)
Income (loss) from discontinued operations, net of tax	(13,933)	(27,134)	(14,592)	(43,077)
Net income (loss)	(107,643)	(146,419)	(447,104)	(425,466)
Less: Net (income) loss attributable to noncontrolling interest	(6,934)	(2,113)	(10,426)	(5,001)
Net income (loss) attributable to Nabors	(114,577)	(148,532)	(457,530)	(430,467)
Less: Preferred stock dividend	(4,313)		(7,993)
Net income (loss) attributable to Nabors common shareholders	(118,890)	(148,532)	(465,523)	(430,467)
Amounts attributable to Nabors common shareholders:
Net income (loss) from continuing operations	(104,957)	(121,398)	(450,931)	(387,390)
Net income (loss) from discontinued operations	(13,933)	(27,134)	(14,592)	(43,077)
Net income (loss) attributable to Nabors common shareholders	$ (118,890)	$ (148,532)	$ (465,523)	$ (430,467)
Earnings (losses) per share:
Basic from continuing operations (in dollars per share)	$ (0.31)	$ (0.42)	$ (1.39)	$ (1.35)
Basic from discontinued operations (in dollars per share)	(0.04)	(0.10)	(0.05)	(0.16)
Total Basic (in dollars per share)	(0.35)	(0.52)	(1.44)	(1.51)
Diluted from continuing operations (in dollars per share)	(0.31)	(0.42)	(1.39)	(1.35)
Diluted from discontinued operations (in dollars per share)	(0.04)	(0.10)	(0.05)	(0.16)
Total Diluted (in dollars per share)	$ (0.35)	$ (0.52)	$ (1.44)	$ (1.51)
Weighted-average number of common shares outstanding:
Basic (in shares)	350,194	279,313	329,118	278,670
Diluted (in shares)	350,194	279,313	329,118	278,670