本煤层瓦斯抽放工艺.pdf

基于本煤层抽放工艺的煤层气藏基于本煤层抽放工艺的煤层气藏 数值模拟 The Coal-bed Methane Reservoir Numerical Simulation Based on Technology of Drainage in MiningMining- CoalbedCoalbed 中国矿业大学 CUMT 林萌 Lynn 河南省煤层气开发利用有限公司 HNCBM 内容Content 1 简介 Introduction 本煤层本煤层 ⅠⅠ、ⅡⅡ类煤数值模拟的实现类煤数值模拟的实现 2 The Numerical Simulation about Hard Coal 本煤层Ⅲ、Ⅳ类煤数值模拟的实现 33 TheThe NumericalNumerical SimulationSimulation aboutabout SoftSoft CoalCoal 4 结论结论 CConcllusiion 1 简介 Introduction 1.1 煤层气藏数值模拟 CBMCBM RReservoiir NNumeriicall SiSimullatition 11.22 研究的历史与现状研究的历史与现状 History Activities 1.3 存在问题 Limitations 1.1 煤层气藏数值模拟 CCBM Reseeservovoir NuNumeericcal SSimuulatioon 煤层气藏数值模拟就是利用数学语言的刻画能力,再现煤层 气系统的结构与功能气系统的结构与功能,客观真实地反映流体在煤层中的赋存运移客观真实地反映流体在煤层中的赋存运移 规律，是根据气体吸附、扩散、运移及固体变形等多种理论建 立起来的定量描述模型立起来的定量描述模型，，对煤层气藏的数值模拟的研究具有重对煤层气藏的数值模拟的研究具有重 要的理论意义和指导生产的实际意义。 TheThe CoalCoal-bedbed MethaneMethane ReservoirReservoir NumericalNumerical SimulationSimulation isis aa model of quantitative description founded by a variety of theories, based on adsorpption,, diffusion,, miggration about ggas and solid deformation, it used the depictive ability of mathematical language to reshow the structure and function of CBM system and to image the law of occurrence and migration about the fluid in coal seam factually. Study on the Coal-bed Methane Reservoir Numerical SimulationSimulation hashas importantimportant theoreticaltheoretical andand practicalpractical significancesignificance toto guide production. 1.2研究的历史与现状 Historyy Activities 赋存机理 TheThe