CNBC | The Six Factors Driving Oil Markets In 2018 OilPrice.com Uncertainty appears to have returned to oil markets of late, with a cluster of factors battling for influence over prices. The oil bulls are very content with the Vienna deal, its success (hitherto) and the prospects of another extension. The coming ... OPEC sees higher 2018 oil supply from rivals, stronger oil demand OPEC sees oil markets tighten further even as US shale booms OPEC Sees Tighter Market as Oil Output Drops to Lowest in a Year |