OPEC congratulates U.S shale oil producers on attainment

*Calls for collaboration OpeOluwani Akintayo 14 January 2019, Sweetcrude, Lagos — The Organization of the Petroleum Exporting Countries, OPEC, has congratulated the United States shale producers over recent attainment of the world’s highest crude oil producers. The Organization’s Secretary General, Mohammed Barkindo, during a live interview with CNBC on Monday, for the first time, acknowledged … More »