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Property And Equipment
3 Months Ended
Mar. 31, 2012
Property And Equipment [Abstract]  
Property And Equipment

(5) Property and Equipment:

Property and equipment at March 31, 2012 and December 31, 2011 consisted of the following:

 

                 
(Thousands of dollars)    March 31,
2012
     December 31,
2011
 

Proved oil and gas properties, at cost

   $ 511,769       $ 492,393   

Less: Accumulated depletion and depreciation

     362,209         355,643   
    

 

 

    

 

 

 

Oil and Gas Properties, Net

   $ 149,560       $ 136,750   
    

 

 

    

 

 

 
     

Field and office equipment

   $ 21,665       $ 21,553   

Less: Accumulated depreciation

     13,849         13,608   
    

 

 

    

 

 

 

Field and Office Equipment, Net

   $ 7,816       $ 7,945   
    

 

 

    

 

 

 

Total Property and Equipment, Net

   $ 157,376       $ 144,695