OPEC members have tentatively agreed to cut oil production, but the exact figure is still being debated.<br /> This led to Thursday's talks in Vienna concluding without a press conference.<br />There is a consensus, however, on the need to curb production to stabilize falling oil prices.<br />But OPEC's ally Russia is reportedly refusing to commit to a huge cut proposed by Saudi Arabia.<br /> Riyadh's Energy Minister Khalid Al-Falih said he isn't confident a deal can be agreed when OPEC meets Russia and other allies on Friday.<br />Benchmark crude prices have plummeted 30 percent in the past two months as global supplies have started to outstrip demand.<br />Market analysts say a cut of around one million barrels per day would not be enough to balance the market in the first half of next year. <br />
