Opec and its partners are discussing a proposal to cut oil output by 1.4 million barrels per day (mbpd), three sources familiar with the issue said, although Russia may not be on board for such a large reduction. Worried by a drop in oil prices due to slowing demand and record supply from Saudi Arabia, Russia and the United States, the Organization of the Petroleum Exporting Countries is talking about a U-turn just months after increasing production. Copyright 2018 Al Hilal Publishing and Marketing Group read more.