FILE – In this file photo of Monday, Nov. 9, 2009. Iraqi workers are seen at the Rumaila oil refinery, near the city of Basra, 550 kilometers (340 miles) southeast of Baghdad, Iraq. International oil companies are submitting bids Friday Dec. 11, 2009 for 15 oil fields that represent about a third of Iraq’s known oil reserves, although fears about security in some restive regions of Iraq have caused concern for the oil companies. (AP Photo/Nabil al-Jourani, file)