The development of world economy and increase of population causes the increasingly tense demand-supply situation. The shortage of the conventional energy has become an issue that limits the economic development. However,the unconventional energy such as shale gas,oil shale and gas hydrate with some advantages such as larger reserves, concentrating distribution and increasingly mature technologies, became the new darling of the energy exploration and development in the world.%随着世界经济的发展、人口的增加,能源供需形势日趋紧张.常规能源资源短缺已成为制约全球经济发展的共同难题.而非常规能源以其储量巨大、分布集中、开发技术日趋进步等特点,成为世界勘查开发的新宠,前景广阔.
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