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美国石油行业分析师说,一种以页岩层石油为开采对象的钻井技术今后5年将大幅推高美国原油产量,减轻对进口原油的依赖。这种钻油新技术先前应用于天然气开采领域。为获得地表下页岩层的天然气,钻
US oil industry analysts said that a drilling technology based on shale oil will significantly push up US crude oil production and reduce its dependence on imported crude oil over the next five years. This new oil drilling technology has previously been used in the field of natural gas. Natural gas for obtaining shale under the surface, drilled