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Property, Plant and Equipment (Tables)
6 Months Ended
Jun. 30, 2012
Schedule Of Property, Plant And Equipment
     June 30, 2012     December 31, 2011  
     (In thousands)  

Proved oil and gas properties (1)

   $ 1,691,964      $ 1,152,532   

Less: Accumulated depreciation, depletion, amortization and impairment

     (257,607     (174,948
  

 

 

   

 

 

 

Proved oil and gas properties, net

     1,434,357        977,584   

Unproved oil and gas properties

     77,606        82,825   
  

 

 

   

 

 

 

Oil and gas properties, net

     1,511,963        1,060,409   

Other property and equipment

     41,333        20,859   

Less: Accumulated depreciation

     (3,922     (1,313
  

 

 

   

 

 

 

Other property and equipment, net

     37,411        19,546   
  

 

 

   

 

 

 

Total property, plant and equipment, net

   $ 1,549,374      $ 1,079,955   
  

 

 

   

 

 

 

 

 

(1) Included in the Company’s proved oil and gas properties are estimates of future asset retirement costs of $15.2 million and $11.4 million at June 30, 2012 and December 31, 2011, respectively. In addition, the Company’s proved oil and gas properties include capitalized interest of $4.7 million and $3.1 million at June 30, 2012 and December 31, 2011, respectively.