Rosneft output slumps on OPEC+ cuts, asset sales May 17, 2021 9:10:am Summary by: Joseph Murphy Russia's largest oil company Rosneft suffered a 17% year-on-year decline in hydrocarbon production in the first quarter on the back of OPEC+ cuts and asset sales, the firm said on May 14. Rosneft's hydrocarbon output averaged 4.76mn barrels... Posted in: