Oil prices dipped early on Friday, weighed down by lingering doubts over whether OPEC can coordinate a crude production cut big enough to rein in oversupply that has dogged markets for two years. International Brent crude oil futures LCOc1 were trading at $50.39 per barrel at 0033 GMT, down 8 cents from their last close. U.S. West Texas Intermediate (WTI) crude was down 5 cents at $49.67 a barrel. Traders said there were significant doubts that the Organization of the Petroleum Exporting Countries (OPEC) would be able to rally its members and non-OPEC producers, especially Russia, around a significant cut in output. “With both Iraq and Iran saying they won’t be part of the cuts for […]