Reuters | Oil slips on oversupply worries despite OPEC deal Reuters LONDON Oil prices fell on Tuesday, pressured by concerns that production cuts by the world's big exporters may not be enough to drain a global glut that has depressed the market for almost three years. Benchmark Brent crude LCOc1 was down 40 cents a ... Analysis: Finally Opec and shale oil industry talk Are Oil Prices $7 Too High? Crude oil upside capped at $55 as Opec disappoints investors |