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Properties and Equipment, Net (Tables)

3 Months Ended

Mar. 31, 2014

Properties and Equipment, Net

Schedule of properties and equipment, net

		March 31,			December 31,
(In thousands)		2014			2013
Proved oil and gas properties		$	6,676,002		$	6,362,570
Unproved oil and gas properties		365,186			375,428
Gathering and pipeline systems		239,925			239,958
Land, building and other equipment		97,082			94,243
		7,378,195			7,072,199
Accumulated depreciation, depletion and amortization		(2,667,626		)	(2,525,972		)
		$	4,710,569		$	4,546,227

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- Definition

Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.13)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 13

-Subparagraph b

-Article 5

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