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Asset Retirement Obligation
12 Months Ended
Dec. 31, 2012
Asset Retirement Obligation
7. Asset Retirement Obligation

The Company records a liability for the estimated costs to be incurred in connection with the abandonment of oil and natural gas properties in the future. This liability is included in the caption “other” in the liabilities section of the consolidated balance sheet. The following table describes the changes to the Company’s asset retirement obligations during 2012 and 2011 (in thousands):

 

     2012     2011  

Balance at beginning of year

   $ 3,455      $ 3,063   

Liabilities incurred

     418        361   

Liabilities settled

     (150     (110

Accretion expense

     163        143   

Revision in estimated costs of plugging oil and natural gas wells

     536        (2
  

 

 

   

 

 

 

Asset retirement obligation at end of year

   $ 4,422      $ 3,455