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Property and Equipment
6 Months Ended
Jun. 30, 2011
Property and Equipment [Abstract]  
Property and Equipment
4. Property and Equipment
Property and equipment consisted of the following (in thousands):
                 
    June 30,     December 31,  
    2011     2010  
Land
  $ 5,391     $ 5,361  
Buildings and improvements
    35,310       32,047  
Well service units and equipment
    429,343       416,015  
Fluid services equipment
    159,073       148,989  
Brine and fresh water stations
    11,306       10,969  
Frac/test tanks
    183,611       151,379  
Pressure pumping equipment
    186,575       171,892  
Construction equipment
    28,571       27,799  
Contract drilling equipment
    76,281       44,181  
Disposal facilities
    70,129       66,388  
Vehicles
    44,645       39,844  
Rental equipment
    45,964       43,502  
Aircraft
    4,251       4,251  
Software
    22,248       22,296  
Other
    9,547       7,345  
 
           
 
    1,312,245       1,192,258  
Less accumulated depreciation and amortization
    618,354       566,556  
 
           
Property and equipment, net
  $ 693,891     $ 625,702  
 
           
     Basic is obligated under various capital leases for certain vehicles and equipment that expire at various dates during the next five years. The gross amount of property and equipment and related accumulated amortization recorded under capital leases and included above consisted of the following (in thousands):
                 
    June 30,     December 31,  
    2011     2010  
Light vehicles
  $ 27,622     $ 25,800  
Well service units and equipment
    1,536       1,791  
Fluid services equipment
    77,472       65,874  
Pressure pumping equipment
    22,352       18,293  
Construction equipment
    1,269       1,269  
Software
    15,548       15,548  
Other
    244       244  
 
           
 
    146,043       128,819  
Less accumulated amortization
    58,793       56,087  
 
           
 
  $ 87,250     $ 72,732  
 
           
     Amortization of assets held under capital leases of approximately $5.2 million and $5.9 million for the three months ended June 30, 2011 and 2010, respectively, and $10.2 million and $10.9 million for the six months ended June 30, 2011 and 2010, respectively, is included in depreciation and amortization expense in the consolidated statements of operations.