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Asset Retirement Obligation
12 Months Ended
Dec. 31, 2015
Asset Retirement Obligation [Abstract]  
Asset Retirement Obligation

11. Asset Retirement Obligation

 

Our asset retirement obligations represent the estimated present value of the amount we will incur to plug, abandon and remediate our producing properties at the end of their productive lives in accordance with applicable laws. The following table summarizes the Company’s Asset Retirement Obligation transactions for the years ended December 31, 2014 and 2015 (in thousands):

 

 

 

 

 

 

 

 

 

 

Balance December 31, 2013

 

$

1,780 

 

 

 

 

Accretion expense

 

 

114 

Liabilities incurred

 

 

46 

Liabilities settled

 

 

(70)

Revision in estimated liabilities

 

 

138 

Balance December 31, 2014

 

$

2,008 

 

 

 

 

Accretion expense

 

 

126 

Liabilities incurred

 

 

 —

Liabilities settled

 

 

(24)

Revisions in estimated liabilities

 

 

112 

Balance December 31, 2015

 

$

2,222 

 

The revisions in estimated liabilities in 2015 and 2014 resulted primarily from change in timing of wells to be plugged.