对现行煤层气资源储量规范存在的问题的探讨
首发时间:2009-06-02
摘要:在研究体积法计算煤层气储量以及煤层气含量的测定方法时,发现现行的《煤层气资源/储量规范》存在一些问题,如规范性引用文件已经滞后,体积法公式基准选取欠妥,原煤基、空气干燥基和干燥无灰基三种基准的含气量换算公式不当,原煤基含气量的计算方法操作性不强等。本文阐述了这些问题的原因及其造成的影响,并提出了相应的修改建议以供探讨。
关键词: 煤层气 体积法 含气量 原煤基 空气干燥基 干燥无灰基
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Research on the defects of present specifications for coalbed methane resources/reserves
Abstract:During the research of the volumetric method for coalbed methane reserves and the determination of coalbed methane concentration, the authors find several defects of present specifications for coalbed methane resources/reserves, for example, its normative citations have been outdated, the basis of the volumetric equation is defective, the conversions for the CBM concentrations of the in-situ basis, air-dry basis, and dry ash-free basis are confused, and the determination method for gas concentration of in-situ basis is unpractical. This article expatiates on both the reasons and sways of these defects, and presents some relevant proposals.
Keywords: coalbed methane volumetric method coalbed methane concentration in-situ basis air-dry basis dry ash-free basis
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No.3280229923012439****
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