所谓页岩气,是指主体位于暗色泥岩或者高碳泥页岩中,以吸附或者游离状态为主要存在方式的天然气聚集,其化学成份以甲烷为主(占90%或者更多)。页岩气被认为是含油气盆地中最后一类走上开发舞台的油气资源。现在,美国率先掀起的页岩气革命,正在给世界能源利用和产业格局正在带来深刻的影响——借助廉价的页岩气大量投放市场,美国制造成本大幅下降, The so-called shale gas, refers to the main body is located in dark mudstone or high carbon mud shale adsorption or free state as the main form of gas accumulation, the chemical composition of methane (90% or more). Shale gas is considered to be the last oil and gas resource to go onto the development stage in petroliferous basins. Now the shale gas revolution pioneered by the United States is exerting a profound impact on the world energy utilization and industrial structure. With the massive release of cheap shale gas, the manufacturing costs in the United States have dropped dramatically,