Asset Retirement Obligations (Tables)

6 Months Ended

Jun. 30, 2016

Asset Retirement Obligation Disclosure [Abstract]

Schedule Of Asset Retirement Obligations

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

	Six Months Ended
	June 30,
	2016			2015
	(In thousands)
ARO liability, January 1:	$	98,297		$	100,567
Accretion of discount	1,513			1,757
Liability incurred	212			5,986
Liability settled	(605		)	(1,566		)
Liability sold (1)	(10,308		)	(246		)
Revision of estimates (2)	(18,183		)	(10,130		)
ARO liability, June 30:	70,926			96,368
Less current portion	3,523			3,277
Total long-term ARO	$	67,403		$	93,091

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(1) We sold approximately 1,150 wells to unaffiliated third-parties during the first six months of 2016.

(2) Plugging liability estimates were revised in both 2016 and 2015 for updates in the cost of services used to plug wells over the preceding year. We had various upward and downward adjustments.