ABC News | Bahrain's largest oil find estimated at 80 billion barrels ABC News The small island-nation of Bahrain on Wednesday announced the discovery of 80 billion barrels of shale oil, its largest oil and gas find ever. Bahrain's oil minister and energy executives detailed the find at a press conference, saying the tight oil ... Bahrain announces discovery of 80 bn barrels of oil Bahrain says it has discovered 80 billion barrels of shale oil Bahrain Seeks Big Oil Help to Develop its New Shale Discovery |