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Asset Retirement Obligations (Tables)
9 Months Ended
Sep. 30, 2012
Asset Retirement Obligations  
Schedule of changes in the Company's ARO's

The following table reflects the changes in the Company’s ARO’s for the nine months ended September 30, 2012 (in thousands):

 

Asset retirement obligations at January 1, 2012

 

$

7,627

 

Liabilities incurred

 

2,525

 

Revisions

 

1,189

 

Liabilities settled

 

 

Current period accretion expense

 

463

 

Asset retirement obligations at September 30, 2012

 

$

11,804