In a separate deal Statoil said it would pay $ 4.4 billion for Brigham Exploration, which will broaden the Norwegian energy company's business in shale and other unconventional gas sources. 国家石油公司表示将出价44亿美元获得布里格姆探索项目,从而扩大挪威能源公司在岩页气以及其他非常规气体资源开发项目的规模。