煤层气储层渗透性研究进展
Journal of Southwest Petroleum University(Science & Technology Edition)(2008)
Abstract
煤储层渗透性是制约煤层气勘探选区的重要参数,影响渗透率差异分布的因素有很多,从裂隙系统的发育、煤储层有效应力、煤层构造演化、煤岩变质程度几个方面阐述了它们与高渗区空间分布的关系及其研究进展.对其研究技术、手段、主要认识及存在的问题等进行了系统的总结.对有效预测煤储层渗透性、发展渗透性描述理论、寻找有利勘探区带具有重要意义.
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Key words
Coal-bed,Effective stress,Fracture system,Metamorphic degree,Permeability,Tectonic evolution
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