Factbox - OPEC oil cut, if it comes, more face-saver than meaningful: analysts

(Reuters) - Oil futures slipped on Tuesday as Iran and Iraq remained at loggerheads with Saudi Arabia over an oil production cut before a long-anticipated meeting of OPEC ministers the following day. Analysts' belief that the group would finalise a deal, if only to save face, has been eroded in recent days after Saudi Arabia said oil markets would balance next year even without an OPEC output cut, sparking a last-ditch attempt to clinch a deal at Wednesday's Vienna gathering. Forecasts for oil p