Segment Information (Tables)

3 Months Ended

Mar. 31, 2012

Summary Financial Information for Company's Reportable Segments Table


	Exploration
	And		Midstream
	Production		Services		Other		Total
	(in thousands)
Three months ended March 31, 2012:
Revenues from external customers	$ 466,265	$ 190,173		$ 31			$ 656,469
Intersegment revenues	713	356,281		819			357,813
Operating income	116,243	69,289		428			185,960
Other income (loss) ⁽¹⁾	(183)	(18)		1			(200)
Depreciation, depletion and amortization expense	182,739	10,570		318			193,627
Interest expense⁽¹⁾	3,322	3,667		349			7,338
Provision for income taxes⁽¹⁾	44,838	25,848		32			70,718
Assets	7,038,247	1,087,020		428,894		⁽²⁾	8,554,161
Capital investments⁽³⁾	533,139	26,164		13,809			573,112

Three months ended March 31, 2011:
Revenues from external customers	$ 470,656	$ 205,679		$ 0			$ 676,335
Intersegment revenues	5,514	473,589		776			479,879
Operating income	178,283	53,917		451			232,651
Other income (loss)⁽¹⁾	343	29		2			374
Depreciation, depletion and amortization expense	154,810	8,391		246			163,447
Interest expense⁽¹⁾	2,904	4,532		0			7,436
Provision for income taxes⁽¹⁾	69,382	19,420		178			88,980
Assets	5,134,657	1,025,072		181,019		⁽²⁾	6,340,748
Capital investments⁽³⁾	468,212	45,978		16,339			530,529

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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