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Asset Retirement Obligation (Tables)

3 Months Ended

Mar. 31, 2012

Changes to Company's Asset Retirement Obligations

The following table describes the changes to the Company’s asset retirement obligations during the three months ended March 31, 2012 and 2011 (in thousands):

		Three Months Ended March  31,
		2012				2011
Balance at beginning of year		$	3,455			$	3,063
Liabilities incurred			106				65
Liabilities settled			(68	)			(15	)
Accretion expense			37				35
Revision in estimated costs of plugging oil and natural gas wells			550				(2	)
Asset retirement obligation at end of period		$	4,080			$	3,146

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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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