v2.4.0.6
INVENTORIES Table (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Schedule of Inventory [Line Items]    
Crude oil $ 23,013 $ 157,297
Finished products 223,608 421,288
Materials and supplies 6,989 9,200
Total $ 253,610 $ 587,785