The Gas Content Modeling Method Based on Geological Statistical Analysis: With Seam No.3 in Southern Qinshui Basin as an Example
详细信息
- 责任者：Hu Yafei (Research Institute of Petroleum Exploration & Development ; Oil Filed Development Department ; Beijing 100083 ; China) ; Zhang Suian
- 刊名：Coal Geology & Exploration
- 出版年：2013
- 卷期：41(2)
- 关键词：煤层气 ; coalbed gas ; 地质建模 ; geological modeling ; 沁水盆地 ; Qinshui Basin
- 页码：p.33-36
- 图表：illus., 11 refs.
- 分类号：1003
- issnNo：ISSN1001-1986
- isbnNo：CN61-1155/P
摘要
Coal bed gas content is an important index in the evaluation and regional election of coal bed gas,and it is also an important parameter of coal bed gas reserves calculation.This paper analyzes 3D geological modeling principle and controlling factors of coal bed gas content.In the southern Qinshui basin,a gas content prediction modeling method was established based on the geologic multivariate statistical analysis.The comparison of the gas content experimental data shows that the prediction accuracy is higher.,the errors are within 10%,the error of multiple linear regression method is 4.5%,it is the best method.This method has practical significance.The example shows that selecting appropriate controlling factors of CBM and using the multivariate statistical analysis method to establish coal bed gas prediction model have guiding roles for coal bed 3D geologic modeling and CBM exploitation.
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