v2.4.0.6
INVENTORIES Table (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Schedule of Inventory [Line Items]    
Crude oil $ 157,297 $ 122,945
Finished products 421,288 281,197
Materials and supplies 9,200 9,395
Total $ 587,785 $ 413,537