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Property, Plant and Equipment
9 Months Ended
Sep. 30, 2012
Property, Plant and Equipment

4. Property, Plant and Equipment

The following table sets forth the Company’s property, plant and equipment:

 

     September 30, 2012     December 31, 2011  
     (In thousands)  

Proved oil and gas properties (1)

   $ 2,004,433      $ 1,152,532   

Less: Accumulated depreciation, depletion, amortization and impairment

     (314,787     (174,948
  

 

 

   

 

 

 

Proved oil and gas properties, net

     1,689,646        977,584   

Unproved oil and gas properties

     74,583        82,825   
  

 

 

   

 

 

 

Oil and gas properties, net

     1,764,229        1,060,409   

Other property and equipment

     45,261        20,859   

Less: Accumulated depreciation

     (5,691     (1,313
  

 

 

   

 

 

 

Other property and equipment, net

     39,570        19,546   
  

 

 

   

 

 

 

Total property, plant and equipment, net

   $ 1,803,799      $ 1,079,955   
  

 

 

   

 

 

 

 

(1) Included in the Company’s proved oil and gas properties are estimates of future asset retirement costs of $18.5 million and $11.4 million at September 30, 2012 and December 31, 2011, respectively. In addition, the Company’s proved oil and gas properties include cumulative capitalized interest of $5.6 million and $3.1 million at September 30, 2012 and December 31, 2011, respectively.

As a result of expiring leases and periodic assessments of unproved properties, the Company recorded non-cash impairment charges on its unproved oil and gas properties of $36,000 and $2.6 million for the three and nine months ended September 30, 2012, respectively, and $0.4 million and $3.3 million for the three and nine months ended September 30, 2011, respectively. No impairment charges on proved oil and natural gas properties were recorded for the three and nine months ended September 30, 2012 or 2011.