Quarterly report pursuant to Section 13 or 15(d)

Asset Retirement Obligations (Tables)

v2.4.0.6
Asset Retirement Obligations (Tables)
6 Months Ended
Jun. 30, 2012
Asset Retirement Obligation [Abstract]  
Schedule of Change in Asset Retirement Obligation
The following table summarizes the Company’s asset retirement obligations activity for the six months ended June 30, 2012:
Asset retirement obligations at January 1, 2012
 
$
13,938

Accretion expense
 
1,135

Liabilities incurred
 
4

Liabilities settled
 
(512
)
Revisions to estimate
 
(784
)
Asset retirement obligations at end of period
 
13,781

Less: Current asset retirement obligations
 
997

Long-term asset retirement obligations at June 30, 2012
 
$
12,784