OPEC on Thursday sharply raised its forecast for oil supply from non-member countries in 2017 as higher prices encourage U.S. shale drillers to pump more, hampering OPEC efforts to clear a glut and support prices by cutting its output. In a monthly report, the Organization of the Petroleum Exporting Countries revised up its estimate of oil supply growth from producers outside the group this year to 950,000 barrels per day (bpd), up from a previous forecast of 580,000 bpd. OPEC is curbing its output by about 1.2 million barrels per day (bpd) from Jan. 1 for six months, the first reduction in eight years, to clear excess supply. Russia and 10 other non-OPEC producers agreed to cut half as much. The report will add to a debate about the effectiveness of the […]