Characteristics of Fluid Pressure Research on 3# Coalbed Reservoir in Esat of Jinchengsihe Mine
详细信息
- 责任者：Yang Qingxiong (Faculty of Resource ; China University of Geosciences ; Wuhan 430074 ; China) ; Wang Shengwei
- 刊名：Natural Gas Geoscience
- 出版年：2011
- 卷期：22(2)
- 关键词：煤和瓦斯突出 ; coal and gas outburst ; 原位测试 ; in situ tests ; 山西 ; Shanxi Province
- 页码：p.361-366
- 图表：7 illus., 1 table, 9 refs.
- 分类号：1004
- issnNo：ISSN1672-1926
- isbnNo：CN62-1177/TE
摘要
Coalbed gas in-situ exploring technology can completely record the details of coalbed gas fluid changes. Using this technology to system test the fluid of Sihe East 4th zone 3# coalbed reservoir systematically, combined with the 3# coalbed reservoir underground observations, as well as indoor microscopic observations, the results showed that the fracture system of Sihe East 4th zone 3# coalbed reservoir is strong heterogeneity; the coalbed gas is the residual of discharging gas, of which the migration has obvious strong fluctuation and transient characteristic; the residual gas does not have high pressure; and the fluid is transported in different coal-rocks and various fractured zones with different movement laws, and its pressure changes in different fracture zones.
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