Vitol emerges as one of Iraq's top crude buyers, sources say ↧ ↧ Vitol emerges as one of Iraq's top crude buyers, sources say Vitol has bought ‌at least 25 million barrels of Iraqi crude in September, two sources told Reuters, as the world's largest oil trader capitalises on its global shipping and logistics clout to help Iraq export oil stranded by the US-Iran ​war.