The Study of Identifying Deformed Coal by Logging Curve on Coalbed Methane Development

被引：2

作者：

Xu, Qilu ^{[1
]}

Huang, Wenhui ^{[1
]}

Yang, Yanhui ^{[1
]}

Liu, Bei ^{[1
]}

机构：

[1] China Univ Geosci, Sch Energy Resources, Beijing 100083, Peoples R China

来源：

ENVIRONMENTAL TECHNOLOGY AND RESOURCE UTILIZATION II | 2014年 / 675-677卷

关键词：

Deformed Coal; Logging Curve; Coal Structure; CBM; Qinshui Basin;

D O I：

10.4028/www.scientific.net/AMM.675-677.1347

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Coalbed methane (CBM) which is a kind of efficient and clean unconventional natural gas will be the alternative energy in the future. Deformed coal which is harmful to CBM development was studied with logging curve. The logging curve characteristics and template which can be used directly had been put forward and applied in Shizhuang Block, Qinshui basin, China: (1) Deformed coal has low resistivity, low bulk density, high interval transit time, expanding well diameter and increasing neutron porosity in logging curve. (2) 3 type coals (undeformed coal-transitional coal deformed coal) are arranged from lower-left corner to top right corner in order in AC and LSD diagram. (3) The deformed coal proportion of No. 15 coal is significantly higher and it maybe the main restricting development factor. (4) The northeast and southwest of Shizhuang block have more deformed coal.

引用

页码：1347 / 1350

页数：4

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