v2.4.0.6
INVENTORIES Table (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2012
Dec. 31, 2011
Schedule of Inventory [Line Items]    
Crude oil $ 270,351 $ 157,297
Finished products 493,826 421,288
Materials and supplies 9,831 9,200
Total $ 774,008 $ 587,785