Reuters | Oil dips as OPEC, Russian output rises ahead of production cut Reuters LONDON Oil prices slipped on Tuesday as crude output rose in virtually every major export region despite plans by OPEC and Russia to cut production, triggering fears that a fuel glut that has dogged markets for over two years might last well into 2017. Oil prices pull back as investors cash in on one-year highs Here's What Oil Did The Last Time OPEC Cut Production Oil Prices Hit 16-Month High After OPEC Deal |