Exxon Mobil recently held talks on the sale of a suite of oil and gas fields in Nigeria as the company focuses on new developments in U.S. shale and Guyana, industry and banking sources told Reuters.  The potential disposals are expected to include stakes in onshore and offshore fields and could raise up to $3 billion, two sources said. “Exxon is actively divesting in Nigeria,” one source who was briefed on the divestment plans said. Exxon declined to comment. The Irving, Texas-based company is one of the largest oil and gas producers in Nigeria, with 106 operated platforms. Its oil output in the West African country reached 225,000 barrels per day (bpd) in 2017, its website says. Exxon officials […]