OPEC Monthly Report: Secondary data shows that Iraqi crude oil production increased by 34,000 barrels per day in October to 4.098 million barrels per day. Libyan crude oil production decreased by 30,000 barrels per day in October to 1.283 million barrels per day. Congolese crude oil production increased by 1,000 barrels per day in October to 264,000 barrels per day.