Nasdaq | Chevron exploring sale of Canada oil sands stake worth about $2.5 billion: sources Reuters N), the second-largest U.S.-based oil producer, is exploring the sale of its 20 percent stake in Canada's Athabasca Oil Sands project, which could fetch about $2.5 billion, according to people familiar with the situation. The company has discussed with ... Chevron exploring sale of Canada oil sands stake worth about $2.5 bln-sources Chevron Exploring Sale of Stake in Athabasca Oil Sands Project |