Technology for Evaluation of CBM Reservoir Logging and Its Application
详细信息
- 责任者：Jin Zeliang (Jincheng Branch ; China United CBM Co. Ltd. ; Jincheng 048000 ; China) ; Xue Haifei
- 刊名：Coal Geology & Exploration
- 出版年：2013
- 卷期：41(2)
- 关键词：煤层气 ; coalbed gas ; 地球物理测井 ; geophysical logging
- 页码：p.42-45
- 图表：illus., 2 tables, 9 refs.
- 分类号：1600
- issnNo：ISSN1001-1986
- isbnNo：CN61-1155/P
摘要
Geophysical logging evaluation is an important method to obtain coalbed methane parameters.According to the typical coal seam geological characteristics of Shizhuang block in Qinshui basin and logging data as well as core analysis data,the authors figured out each component of coal seam based on the volume model and the probability statistical model.The conclusion is deduced that coal rank is closely related to formation temperature in this block after analyzing logging data and coal core data;Taking a research on analyzing the relationship of coal component calculated by probability statistical model and core data tested in laboratory,empirical formula of calculating gas content is deduced with Langmuir equation and multiple linear regression method.At last,it is proved that the methods possess the credibility and availability through the application with actual data.
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