Experimental Research on Stress Sensitivity of Coalbed Reservoir
详细信息
- 责任者：Zhang Yapu (Langfang Branch ; Research Institute of Petroleum Exploration and Development ; PetroChina ; Langfang 065007 ; China) ; He Yingfu
- 刊名：Natural Gas Geoscience
- 出版年：2010
- 卷期：21(3)
- 关键词：煤层气 ; coalbed gas ; 地层压力 ; formation pressure
- 页码：p.518-521
- 图表：5 illus., 3 tables, 6 refs.
- 分类号：1003
- issnNo：ISSN1672-1926
- isbnNo：CN62-1177/TE
摘要
In view of stress sensitiveness to coalbed methane reservoir, the authors made the stress sensitiveness experiments of dry and moisture drill cores collected from the coalbed methane reservoir by means of change of peripheral pressure and pore pressure. The results indicated that the existence of water would make the stress sensitiveness of the drill core become stronger. The pattern described by exponential function would offer the experimential reference to the effective and rational development of the coalbed methane.