Quarterly report pursuant to sections 13 or 15(d)

INVENTORIES (Tables)

v2.4.0.6
INVENTORIES (Tables)
3 Months Ended
Mar. 31, 2013
INVENTORIES [Abstract]  
Inventories
Inventories include the following:

   
March 31, 2013
   
December 31, 2012
 
   
(thousands of dollars)
 
Raw material
  $ 3,850     $ 3,591  
Petrochemical products
    8,448       6,249  
Total inventory
  $ 12,298     $ 9,840