Total预计巴西西北部Libra区域石油储量为30亿到40亿桶

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.