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Asset Retirement Obligations (Tables)
 9 Months Ended
Sep. 30, 2014
Asset Retirement Obligations [Abstract]  
Schedule Of Change In Asset Retirement Obligation

 

 

 

 

 

 

 

Nine Months Ended

 

 

 

September 30, 2014

Beginning of period

 

$
155,321 

Assumed in acquisition

 

 
1,475 

Divested

 

 
(186)

Revisions to previous estimates

 

 
1,993 

Liabilities incurred

 

 
1,434 

Liabilities settled

 

 
(2,133)

Accretion expense

 

 
6,534 

End of period

 

$
164,438 

Less: Current portion of asset retirement obligations

 

 
(4,895)

Asset retirement obligations - non-current

 

$
159,543