Industry Segment Information (Tables)

9 Months Ended

Sep. 30, 2013

Segment Reporting [Abstract]

Industry segment information

The following table provides certain information about each segment's operations:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2013			2012			2013			2012
	(In thousands)
Revenues:
Oil and natural gas	$	157,320		$	135,435		$	475,728		$	402,366
Contract drilling	119,105			145,561			357,118			458,945
Elimination of inter-segment revenue	(18,458		)	(12,141		)	(43,938		)	(37,747		)
Contract drilling net of inter-segment revenue	100,647			133,420			313,180			421,198
Gas gathering and processing	99,007			70,394			272,073			210,550
Elimination of inter-segment revenue	(23,198		)	(17,459		)	(68,252		)	(50,573		)
Gas gathering and processing net of inter-segment revenue	75,809			52,935			203,821			159,977
Total revenues	$	333,776		$	321,790		$	992,729		$	983,541
Operating income:
Oil and natural gas	$	50,887		$	54,799		$	173,945		$	27,618		(2	)
Contract drilling	24,257			40,338			72,030			134,558
Gas gathering and processing	3,938			784			7,613			7,404
Total operating income (1)	79,082			95,921			253,588			169,580
General and administrative	(9,936		)	(8,434		)	(28,288		)	(23,814		)
Gain on disposition of assets	4,345			44			7,744			1,283
Loss on derivatives not designated as hedges and hedge ineffectiveness, net	(13,760		)	(4,015		)	(3,340		)	(4,621		)
Interest expense, net	(3,625		)	(7,087		)	(11,777		)	(11,455		)
Other	(14		)	(59		)	(171		)	(123		)
Income before income taxes	$	56,092		$	76,370		$	217,756		$	130,850

(1) Total operating income is total operating revenues less operating expenses, depreciation, depletion, amortization, and impairment and does not include non-operating revenues, general corporate expenses, gain on disposition of assets, interest expense, or income taxes.

(2) In June 2012, we had a non-cash ceiling test write-down of $115.9 million pre-tax ($72.1 million, net of tax).