Asset Retirement Obligations (Tables)

3 Months Ended

Mar. 31, 2019

Asset Retirement Obligation Disclosure [Abstract]

Schedule of Asset Retirement Obligations

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

	Three Months Ended
	March 31,
	2019		2018
	(In thousands)
ARO liability, January 1:	$	64,208	$	69,444
Accretion of discount	562		659
Liability incurred	3,116		118
Liability settled	(1,636)		(1,626)
Liability sold	(549)		(81)
Revision of estimates (1)	2,139		(4,751)
ARO liability, March 31:	67,840		63,763
Less current portion	1,742		1,477
Total long-term ARO	$	66,098	$	62,286

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1.Plugging liability estimates were revised in both 2019 and 2018 for updates in the cost of services used to plug wells over the preceding year. We had various upward and downward adjustments.