Annual report pursuant to Section 13 and 15(d)

Property And Equipment (Tables)

v2.4.0.6
Property And Equipment (Tables)
 12 Months Ended
Dec. 31, 2011
Property And Equipment [Abstract]  
Schedule Of Property And Equipment
     December 31,  
     2011     2010  

Oil and natural gas properties

    $ 1,035,754,000      $ 747,344,000   

Office furniture and fixtures

      3,692,000        3,277,000   

Building

      4,049,000        4,049,000   

Land

      283,000        283,000   
  

 

 

    

 

 

  

Total property and equipment

      1,043,778,000        754,953,000   

Accumulated depletion, depreciation, amortization and impairment

      (575,142,000 )      (512,822,000 ) 
  

 

 

    

 

 

  

Property and equipment, net

    $ 468,636,000      $ 242,131,000   
  

 

 

    

 

 

  
Summary Of Oil And Gas Properties Not Subject To Amortization
     Costs Incurred in  
     2011      2010      2009      Prior to 2009      Total  

Acquisition costs

    $ 123,721,000       $ 8,144,000       $ 915,000       $ 132,000       $ 132,912,000   

Exploration costs

      689,000         2,692,000         155,000         2,175,000         5,711,000   

Development costs

      —           —           —           —           —     
  

 

 

     

 

 

     

 

 

     

 

 

     

 

 

  

Total oil and gas properties not subject to amortization

    $ 124,410,000       $ 10,836,000       $ 1,070,000       $ 2,307,000       $ 138,623,000   
  

 

 

     

 

 

     

 

 

     

 

 

     

 

 

  
Schedule Of Asset Retirement Obligation
     December 31,  
     2011     2010  

Asset retirement obligation, beginning of period

    $ 10,845,000      $ 10,153,000   

Liabilities incurred

      1,390,000        1,328,000   

Liabilities settled

      (248,000 )      (1,253,000 ) 

Accretion expense

      666,000        617,000   
  

 

 

    

 

 

  

Asset retirement obligation as of end of period

      12,653,000        10,845,000   

Less current portion

      620,000        635,000   
  

 

 

    

 

 

  

Asset retirement obligation, long-term

    $ 12,033,000      $ 10,210,000