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ASSET RETIREMENT OBLIGATION (Tables)
 9 Months Ended
Sep. 30, 2013
ASSET RETIREMENT OBLIGATION  
Asset Retirement Obligation

 

 

(In thousands)

 

 

 

Balance at December 31, 2012          

 

$

67,016

 

Liabilities incurred

 

3,945

 

Liabilities settled

 

(800

)

Liabilities divested

 

(341

)

Accretion expense

 

2,705

 

Balance at September 30, 2013

 

$

72,525