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Asset Retirement Obligation (Tables)

12 Months Ended

Dec. 31, 2012

Asset Retirement Obligation

Asset Retirement Obligation

Activity related to the Company's asset retirement obligation during the year ended December 31, 2012 is as follows:

(In thousands)
Balance at December 31, 2011		$	60,142
Liabilities incurred			2,685
Liabilities settled			(1,259	)
Liabilities divested			(4,463	)
Accretion expense			3,165
Change in Estimate			6,746
Balance at December 31, 2012		$	67,016

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- Definition

Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 410

-SubTopic 30

-Section 50

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13201-110859

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