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Property and Equipment
3 Months Ended
Mar. 31, 2014
Property and Equipment

3. Property and Equipment

Property and equipment consisted of the following at March 31, 2014 and December 31, 2013 (in thousands):

 

     March 31,
2014
    December 31,
2013
 

Equipment

   $ 5,915,271      $ 5,749,975   

Oil and natural gas properties

     192,299        183,571   

Buildings

     80,646        80,050   

Land

     12,048        12,054   
  

 

 

   

 

 

 
     6,200,264        6,025,650   

Less accumulated depreciation and depletion

     (2,483,692     (2,390,109
  

 

 

   

 

 

 

Property and equipment, net

   $ 3,716,572      $ 3,635,541