Asset Retirement Obligations (Tables)

3 Months Ended

Mar. 31, 2014

Asset Retirement Obligation Disclosure [Abstract]

Schedule Of Asset Retirement Obligations

The following table shows certain information about our AROs for the periods indicated:

	Three Months Ended March 31,
	2014			2013
	(In thousands)
ARO liability, January 1:	$	133,657		$	146,159
Accretion of discount	1,215			1,521
Liability incurred	635			899
Liability settled	(548		)	(1,519		)
Liability sold	(459		)	(169		)
Revision of estimates (1)	(14,600		)	(11,299		)
ARO liability, March 31:	119,900			135,592
Less current portion	2,961			2,917
Total long-term ARO	$	116,939		$	132,675

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(1) Plugging liability estimates were revised in both three months ended March 31, 2014 and 2013 for updates in the cost of services used to plug wells over the preceding year. We had various upward and downward adjustments.