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柳林矿区煤层气演化史数值模拟研究 被引量:2

Numerical Simulation Research on Evolution History of Coalbed Methane in Liulin Mining Area
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摘要 运用数值模拟方法对河东煤田柳林矿区主煤层煤层气地质演化史进行了定量模拟研究。结果表明:研究区内煤层气演化史可分为三个阶段。初期阶段内煤层气的生成、赋存和散失等作用较弱;聚集高峰阶段内各种演化作用剧烈,是本区煤层气聚集的重要阶段;散失阶段主要发生各种散失作用。此外,研究区西南部是煤层气聚集的有利地区。 The paper has quantitatively studied the evolution history of coalbed methane (CBM) of main coal seams in Liulin Mining Area of Hedong Coalfield by using numerical simulation method. Simulation results indicate that the evolution history of CBM can be divided into 3 stages, i. e, the initial evolution stage in which the evolution actions of generation, reserve and dissipation of coalbed methane are weak; the peak accumulation stage in which all evolution actions are acute, it is an important stage of coalbed methane accumulation in the mining area; and the dissipation stage in which mainly all dissipation actions occur, Simulation results also reflect that the southwest part of the research area is the favorite area for CBM accumulation.
出处 《山东科技大学学报(自然科学版)》 CAS 2008年第1期27-31,共5页 Journal of Shandong University of Science and Technology(Natural Science)
基金 国家"973"项目(2002CB211704)
关键词 煤层气 演化史 数值模拟 柳林矿区 coalbed methane evolution history numerical simulation Liulin Mining Area
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