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煤储层含气性特征及其地质动力学控制因素
引用本文:王国玲,秦勇.煤储层含气性特征及其地质动力学控制因素[J].中国煤炭地质,2009(2):18-23.
作者姓名:王国玲  秦勇
作者单位:中国矿业大学资源与地球科学学院.江苏徐州221008
基金项目:国家自然科学基金(40730422),黔西-滇东煤层气成藏特征及其地质选择过程项目资助.
摘    要:煤层含气性是煤层气成藏的一个基本要素,是煤层气勘探开发决策的重要依据之一。煤层气的富集是生成、储集、封盖保存等方面条件及其动态发展过程的有力配置,是各种地质动力学条件耦合作用的结果。在阐述我国煤储层含气性区域分布规律的基础上,从热动力条件、构造动力条件、沉积动力条件及地下水动力条件4个方面总结了前人关于地质动力学条件控气作用的研究成果,认为目前研究中在一定程度上存在片面性、单一性等问题,指出全面耦合分析动力学条件是煤层气成藏作用研究的一个重要发展方向。

关 键 词:煤储层  含气性  控气因素  耦合作用

Gas-Bearing Characteristics of Coal Reservoirs and Their Geological Dynamic Controlling Factors
Wang Guoling,Qin Yong.Gas-Bearing Characteristics of Coal Reservoirs and Their Geological Dynamic Controlling Factors[J].Coal Geology of China,2009(2):18-23.
Authors:Wang Guoling  Qin Yong
Affiliation:(School of Resource and Geoscience, CUMT, Xuzhou, Jiangsu 221008)
Abstract:Coal seam gas-bearing property is a basic factor of CBM reservoir, and also one of important foundations for CBM prospecting and exploitation decision. The CBM enrichment is powerful configuration of generation, storage, preserving conditions which are results of dynamic development process and coupling of various geological dynamic conditions. This paper is based on gasbearing regional distribution pattern of CBM reservoirs in China, summarized the results of geological dynamic controlling conditions by precursors through 4 aspects of tectonic dynamic condition, thermodynamic condition, deposition dynamic condition and groundwater hydrodynamic condition. The authors have found that lopsidedness and singleness have existed in studies at present, and pointed out that the all-sided coupled analysis of dynamic condition is an important aspect to CBM reservoir studies.
Keywords:coal reservoir  gas-bearing properties  gas controlling factors  coupling function
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