Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2012

Summary Of Significant Accounting Policies

Schedule of reconciliation of the ARO

	Six Months Ended June 30,
(in thousands)	2012		2011
Balance at beginning of period	$	2,149	$	352
Liabilities transferred due to property disposition	—		—
Accretion expense	52		12
Additions assumed with acquired properties	—		1,402
Additions during period	10		102
Balance at end of period	$	2,211	$	1,868