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Property, Plant and Equipment
12 Months Ended
Dec. 31, 2011
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment

Note 9    Property, Plant and Equipment

The major components of our property, plant and equipment are as follows:

 

                 
    December 31,  
    2011     2010  
    (In thousands)  

Land

  $ 22,120     $ 12,087  

Buildings

    132,753       122,635  

Drilling, workover and well-servicing rigs, and related equipment

    11,150,927       10,632,968  

Marine transportation and supply vessels

    14,023       13,663  

Oilfield hauling and mobile equipment

    1,171,930       551,892  

Other machinery and equipment

    248,938       143,976  

Oil and gas properties(1)

    42,033       664,289  

Construction in process(2)

    815,987       349,455  
   

 

 

   

 

 

 
      13,598,711       12,490,965  

Less: accumulated depreciation and amortization

    (4,928,781     (4,182,122

accumulated depletion on oil and gas properties

    (39,984     (493,424
   

 

 

   

 

 

 
    $ 8,629,946     $ 7,815,419  
   

 

 

   

 

 

 

 

(1) A significant portion of our oil and gas properties have been reclassified to assets held for sale at December 31, 2011. Information relating to suspended wells that have capitalized costs for more than one year on this date is located at Note 4 — Discontinued Operations.

 

(2) Relates to amounts capitalized for new or substantially new drilling, workover and well-servicing rigs that were under construction and had not yet been placed in service as of December 31, 2011 or 2010.

 

Repair and maintenance expense included in direct costs in our consolidated statements of income (loss) totaled $586.4 million, $382.5 million and $277.4 million for the years ended December 31, 2011, 2010 and 2009, respectively.

Interest costs of $24.0 million, $12.4 million and $29.9 million were capitalized during the years ended December 31, 2011, 2010 and 2009, respectively.