Iraqi Basra crude oil in November has sold at the widest discounts to official prices in more than a year, with cargoes that backed up after hurricanes hit the U.S. Gulf Coast facing competition from Mexican crude, trade sources said on Friday. FILE PHOTO: A worker walks at Nahr Bin Umar oil field, north of Basra, Iraq December 21, 2015. REUTERS/Essam Al-Sudani/File Photo The drop in U.S. demand for Iraqi oil may impede the Organization of the Petroleum Exporting Countries’ second-largest producer’s effort to increase exports from the southern port of Basra to make up for a shortfall from the north. Basra crude shipments have been backed up after four hurricanes disrupted arrivals in the U.S. Gulf between August and October. More than 22 million barrels of Basra crude were due to land in the United States in each of October and November, trade flow data […]