OPEC oil output fell this month by 80,000 barrels per day (bpd), a Reuters survey found, as exports from northern Iraq dropped and other producers maintained adherence to a supply cut deal.  OPEC’s adherence to its pledged supply curbs rose to 92 percent from September’s 86 percent, the survey found, as top exporter Saudi Arabia continued to pump below its OPEC target and output in Venezuela, in economic depression, declined further. The drop in Iraqi output has helped support prices. Benchmark Brent crude on Friday topped $60 a barrel, a price that Saudi Arabia sees as a good level, for the first time since 2015. The Organization of the Petroleum Exporting Countries is reducing output by about 1.2 million bpd […]