Unaudited Quarterly Financial Information

12 Months Ended

Dec. 31, 2011

Unaudited Quarterly Financial Information [Abstract]

Unaudited Quarterly Financial Information

Note 21    Unaudited Quarterly Financial Information

	Year Ended December 31, 2011
	Quarter Ended
	March 31,			June 30,			September 30,			December 31,
	(In thousands, except per share amounts)
Operating revenues and Earnings (losses) from unconsolidated affiliates from continuing operations(1)	$	1,389,842		$	1,352,950		$	1,642,227		$	1,731,979
Income (loss) from continuing operations, net of tax	$	94,552		$	70,887		$	87,190		$	89,535
Income from discontinued operations, net of tax		(12,396	)		121,167			(12,226	)		(193,985	)
Less: Net (income) loss attributable to noncontrolling interest		669			394			(708	)		(1,400	)
Net income (loss) attributable to Nabors	$	82,825		$	192,448		$	74,256		$	(105,850	)
Earnings (loss) per share:(2)
Basic from continuing operations	$	.33		$	.25		$	.30		$	.31
Basic from discontinued operations		(.04	)		.42			(.04	)		(.68	)
Total Basic	$	.29		$	.67		$	.26		$	(.37	)
Diluted from continuing operations	$	.33		$	.24		$	.30		$	.30
Diluted from discontinued operations		(.05	)		.41			(.05	)		(.66	)
Total Diluted	$	.28		$	.65		$	.25		$	(.36	)
	Year Ended December 31, 2010
	Quarter Ended
	March 31,			June 30,			September 30,			December 31,
	(In thousands, except per share amounts)
Operating revenues and Earnings (losses) from unconsolidated affiliates from continuing operations(3)	$	890,469		$	898,169		$	1,068,870		$	1,310,242
Income (loss) from continuing operations, net of tax	$	46,477		$	44,949		$	12,347		$	152,097
Income from discontinued operations, net of tax		(7,379	)		(1,887	)		(51,501	)		(100,323	)
Less: Net (income) loss attributable to noncontrolling interest		1,102			559			(453	)		(1,293	)
Net income (loss) attributable to Nabors	$	40,200		$	43,621		$	(39,607	)	$	50,481
Earnings per share:(2)
Basic from continuing operations	$	.17		$	.16		$	.04		$	.53
Basic from discontinued operations		(.03	)		(.01	)		(.18	)		(.35	)
Total Basic	$	.14		$	.15		$	(.14	)	$	.18
Diluted from continuing operations	$	.16		$	.16		$	.04		$	.52
Diluted from discontinued operations		(.02	)		(.01	)		(.18	)		(.35	)
Total Diluted	$	.14		$	.15		$	(.14	)	$	.17

(1) Includes earnings (losses) from unconsolidated affiliates, net, accounted for by the equity method, of $16.3 million, $9.3 million, $33.7 million and $(2.7) million, respectively.

(2) Earnings per share is computed independently for each of the quarters presented. Therefore, the sum of the quarterly earnings per share may not equal the total computed for the year.

(3) Includes earnings (losses) from unconsolidated affiliates, net, accounted for by the equity method, of $7.7 million, $8.9 million, $11.8 million and $4.9 million, respectively.