Business Segment Information (Tables)

9 Months Ended

Sep. 30, 2014

Segment Reporting [Abstract]

Summarized Financial Information of Segments

The following table summarizes financial information for the Company’s segments for the periods presented:

	Exploration and Production			Well Services			Midstream Services		Eliminations			Consolidated
	(In thousands)
Three months ended September 30, 2014:
Revenues from external customers	$	344,706		$	20,925		$	3,028	$	—		$	368,659
Inter-segment revenues	—			66,298			10,596		(76,894		)	—
Total revenues	344,706			87,223			13,624		(76,894		)	368,659
Operating income	126,184			23,388			5,126		(20,595		)	134,103
Other income (expense)	63,968			—			—		—			63,968
Income before income taxes	$	190,152		$	23,388		$	5,126	$	(20,595	)	$	198,071
Three months ended September 30, 2013:
Revenues from external customers	$	286,952		$	17,090		$	1,456	$	—		$	305,498
Inter-segment revenues	—			40,026			6,141		(46,167		)	—
Total revenues	286,952			57,116			7,597		(46,167		)	305,498
Operating income	140,765			19,094			4,394		(13,391		)	150,862
Other income (expense)	(62,628		)	(20		)	—		—			(62,648		)
Income before income taxes	$	78,137		$	19,074		$	4,394	$	(13,391	)	$	88,214
Nine months ended September 30, 2014:
Revenues from external customers	$	1,030,735		$	51,630		$	8,191	$	—		$	1,090,556
Inter-segment revenues	—			146,447			28,264		(174,711		)	—
Total revenues	1,030,735			198,077			36,455		(174,711		)	1,090,556
Operating income	602,797			53,137			15,854		(42,060		)	629,728
Other income (expense)	(98,140		)	75			—		—			(98,065		)
Income before income taxes	$	504,657		$	53,212		$	15,854	$	(42,060	)	$	531,663
Nine months ended September 30, 2013:
Revenues from external customers	$	770,445		$	34,266		$	3,673	$	—		$	808,384
Inter-segment revenues	—			90,000			15,778		(105,778		)	—
Total revenues	770,445			124,266			19,451		(105,778		)	808,384
Operating income	359,121			39,513			11,790		(28,159		)	382,265
Other income (expense)	(106,159		)	(11		)	—		—			(106,170		)
Income before income taxes	$	252,962		$	39,502		$	11,790	$	(28,159	)	$	276,095
Total assets:
As of September 30, 2014	$	5,344,775		$	212,131		$	157,209	$	(256,640	)	$	5,457,475
As of December 31, 2013	4,592,140			78,359			117,641		(76,216		)	4,711,924