Total預計巴西西北部Libra區域石油儲量為30億到40億桶

French oil company SA said the northwest section of the supergiant Libra offshore oil prospect in Brazil holds 3 to 4 billion barrels of oil.The wells, drilled in the region around the Libra pioneer well, also show “excellent” productivity, Total, which owns 20 percent of Libra, said in the report that accompanied a company presentation to investors in London Sept 22.The estimate for the northwest region is the first to be made public for Libra since exploration activity began two years ago. The volume would be enough to supply all the oil needs in the United States, the world’s largest petroleum consumer, for nearly seven monthsTotal’s partners Petroleo Brasileiro SA (Petrobras) holds 40 percent in Libra, while Royal Dutch Shell Plc has another 20 percent. China’s state-owned CNOOC and CNPC hold 10 percent each.