Asset Retirement Obligations (Tables)

6 Months Ended

Jun. 30, 2013

Asset Retirement Obligation Disclosure [Abstract]

Schedule of Change in Asset Retirement Obligation

During the six months ended June 30, 2013, Energen Resources recognized amounts representing expected future costs associated with site reclamation, facilities dismantlement, and plug and abandonment of wells as follows:

(in thousands)
Balance as of December 31, 2012	$	118,023
Liabilities incurred	1,914
Liabilities settled	(448		)
Accretion expense	4,040
Reclassification associated with held for sale properties*	(4,500		)
Balance as of June 30, 2013	$	119,029