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Asset Retirement Obligation (Tables)

12 Months Ended

Dec. 31, 2011

Changes to the Company's Asset Retirement Obligations

The following table describes the changes to the Company’s asset retirement obligations during 2011 and 2010 (in thousands):

		2011				2010
Balance at beginning of year		$	3,063			$	2,955
Liabilities incurred			361				335
Liabilities settled			(110	)			(339	)
Accretion expense			143				112
Revision in estimated costs of plugging oil and natural gas wells			(2	)			—
Asset retirement obligation at end of year		$	3,455			$	3,063

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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

-Topic 410

-SubTopic 30

-Publisher FASB

-Number

-Article

-Subparagraph

-Name Accounting Standards Codification

-Paragraph 5

-Section 50

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

+ Details

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