鄂尔多斯盆地东缘深煤层煤层含气量计算方法研究与评价

doi:10.11799/ce201705026

煤炭工程 ›› 2017, Vol. 49 ›› Issue (5): 84-86.doi: 10.11799/ce201705026

鄂尔多斯盆地东缘深煤层煤层含气量计算方法研究与评价

徐延勇

中联煤层气有限责任公司

收稿日期:2016-02-27 修回日期:2016-07-07 出版日期:2017-05-09 发布日期:2017-07-25
通讯作者: 徐延勇 E-mail:xuyy7@cnooc.com.cn

Research and evaluation on seam gas content calculation methods

Received:2016-02-27 Revised:2016-07-07 Online:2017-05-09 Published:2017-07-25

摘要/Abstract

摘要： 文中以鄂尔多斯盆地临兴区块为研究对象，采用吸附等温线法，分别建立煤炭工业组分VL与PL和的关系式，对煤层含气量进行预测|另外，结合测井曲线资料，综合密度、中子、伽马对含气量的影响，采用多元回归分析方法，得出适合该地区的煤层含气量计算公式，对不同预测方法的适用条件进行总结。在预测含气量的基础上，选择相关的评价参数对煤层气含量进行分级评价。

关键词: 煤层含气量, 工业组分, 测井曲线, 分级

Abstract: Coal-bed gas content is an important indicator of coal reservoir comprehensive evaluation, it also has guiding significance for coalbed methane resources calculation and exploitation of coal-bed methane. Paper based on Ordos Basin L block as the research object, adopting Adsorption Isotherm method, respectively establish the relationship between coal industry components with and ,and then predict the coal seam gas content; In addition, combine logging curve data, integrate the influences of density, neutron, and gamma on coal-bed gas content, using multiple regression analysis, get the formula on the calculation of coal-bed gas content for the region, summarize the applicable condition of different forecasting methods, On the basis of gas content forecast, then classification evaluate the coalbed methane content by related parameters.

中图分类号:

TD845

徐延勇. 鄂尔多斯盆地东缘深煤层煤层含气量计算方法研究与评价[J]. 煤炭工程, 2017, 49(5): 84-86.

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http://www.coale.com.cn/CN/Y2017/V49/I5/84

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鄂尔多斯盆地东缘深煤层煤层含气量计算方法研究与评价

Research and evaluation on seam gas content calculation methods

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