Oil will likely rally into 2018 with periods of volatility as an anticipated extension of OPEC-led output restrictions offsets higher U.S. production, a Reuters poll showed on Tuesday.  Analysts raised their crude price projections, the survey showed, as expectations of an output cut extension were buoyed by comments from officials in Saudi Arabia, the de facto leader of the Organization of the Petroleum Exporting Countries. “Rumors of extension, expansion or erosion (of the OPEC supply deal) could all impact prices and markets will be closely watching any statements from the upcoming meeting,” said Ashley Petersen of Stratas Advisors. “Assuming, as we do, that the deal is extended through 2018, then actual levels of compliance will be a big […]