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煤层气开发中煤粉问题的研究现状及研究思路 被引量:17

Research status and thoughts for coal fines during CBM development
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摘要 随着煤层气的开发,煤粉问题已逐渐成为制约煤层气开发的重要问题。由于近年来煤粉问题才开始被关注和重视,煤粉研究缺乏系统科学的研究思路和方法,从煤粉的危害、煤粉形成机制、煤粉产出规律及煤粉管控措施方面,总结了煤层气开发中产出煤粉的研究现状,指出了煤粉研究的不足,提出了一套由理论依据、研究内容、研究方法等核心环节构成的煤层气开发中煤粉问题的研究思路与方法:以煤层气地质与开发学、煤田地质学、岩石力学和流体力学等多学科理论为指导,以《煤层气勘探开发规范》《煤层气井监测方法》《测试分析技术方法》等相关技术标准和规范为依据,以历年煤层气地质资料和煤层气排采数据为基础,按资料收集→现场监测与采样→测试与数据处理→物理模拟与数值模拟→专题制图与综合分析→技术设备研发→现场工程应用的工作流程和方法,以煤粉产出的影响因素、煤粉产出机理、煤粉产出规律和煤粉管制措施等为主要研究内容,选择典型煤层气示范区,开展全面系统的煤粉研究工作,为实现煤层气高效开发提供保障。本研究思路与方法为科学研究煤粉问题提供方法学依据。 With the development of coalbed methane,the of coal fines has gradually become an important problem restricting the development of coalbed methane.Since the problem of coal fines has only been paid attention in recent years,the research on coal fines lacks systematic and scientific research ideas and methods.The research status of coal fines in CBM development was summarized and the research shortages on coal fines were pointed out from the aspects of hazard,formation mechanism,output rule and control measures of coal fines.A set of research ideas and methods of coal fines in CBM development,which were composed of theoretical basis,research contents,research methods and other core links,were proposed.The research ideas and methods:guided by multidisciplinary theories such as coalbed methane geology and development,coalfield geology,rock mechanics and fluid mechanics,and guided by the "Coalbed Methane Exploration and Development Specifications", "Coalbed Methane Well Monitoring Methods", "Testing and Analysis Technical Methods" and other relevant technical standards and specifications as the basis,based on the past years of coalbed methane geological data and coalbed methane drainage data,according to data collection,on-site monitoring and sampling,testing and data processing,physical simulation and numerical simulation,thematic mapping and Comprehensive analysis,technical equipment research and development,on-site engineering application workflow and methods,with the main research content of the influencing factors of coal fines production,coal fines production mechanism,coal fines production law and coal fines control measures,and select typical coal seams in the gas demonstration zone,a comprehensive and systematic research on coal fines were carried out to provide a guarantee for the efficient development of coalbed methane.The research ideas and methods provide a methodological basis for scientific research on coal fines issues.
作者 魏迎春 张劲 曹代勇 孟涛 崔茂林 王安民 WEI Yingchun;ZHANG Jin;CAO Daiyong;MENG Tao;CUI Maolin;WANGAnmin(College of Geoscience&Surveying Engineerings China University of Mining&Technology(Beijing),Beijing 100083,China)
出处 《煤田地质与勘探》 CAS CSCD 北大核心 2020年第6期116-124,共9页 Coal Geology & Exploration
基金 国家自然科学基金项目(41972174,41402134) 国家留学基金项目(201906435004)。
关键词 煤层气 煤粉 研究现状 研究思路 研究方法 CBM coal fines research status research thoughts research methods
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