OilPrice.com | OPEC's Oil Production Slips In November OilPrice.com The OPEC data below was taken from the December OPEC Monthly Oil Maret Report. All data is through November 2017 unless otherwise noted. (Click to enlarge). OPEC crude oil production declined by 133,500 barrels per day in November. (Click to enlarge ... Oil to trade above $60 due to Opec output curbs |