OPEC took a swing at U.S. shale and knocked down Canada. Threatened by surging production from North America, the Organization of Petroleum Exporting Countries has been pumping above its quota for 17 months as it seeks to take market share from higher-cost regions. The resulting 60 percent price crash is hitting Alberta harder than Texas. Canadian producers are struggling to cut the cost of extracting bitumen from the oil sands, and their other wells are failing to match the efficiency gains of U.S. rivals, a Bloomberg Intelligence analysis shows. While output keeps rising in the Permian Basin, the largest U.S. shale play, companies are slowing output from wells in Alberta and have shelved 18 oil-sands projects during the downturn, according to ARC Financial Corp. “OPEC […]