v2.4.0.6
INVENTORIES (Tables)
12 Months Ended
Dec. 31, 2011
INVENTORIES [Abstract]  
Schedule of Inventory Table [Text Block]
Inventories consisted of the following:
 
December 31,
 
2011
 
2010
 
(Thousands of Dollars)
Crude oil
$
157,297

 
$
122,945

Finished products
421,288

 
281,197

Materials and supplies
9,200

 
9,395

Total
$
587,785

 
$
413,537