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Impact on permeability due to axial stress disturbances for cretaceous sandy shale

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Title: Impact on permeability due to axial stress disturbances for cretaceous sandy shale
Authors: Boeut, Sophea Browse this author
Oshima, Teppie Browse this author
Fujii, Yoshiaki Browse this author →KAKEN DB
Kodama, Jun-ichi Browse this author →KAKEN DB
Fukuda, Daisuke Browse this author →KAKEN DB
Matsumoto, Hiroyuki Browse this author
Uchida, Kazumi Browse this author
Keywords: Axial stress disturbances
Enhanced methane gas recovery
Induced stress
De-routing underground water flow
Issue Date: 26-Sep-2017
Publisher: 資源・素材学会
Journal Title: MMIJ Fall Meeting 2017
Volume: 4
Issue: 2
Start Page: PY2-73
Abstract: Seismic waves generated from earthquakes and artificial surface vibration might alter the water level in the wells and oil or gas production. These transient stress disturbances prospectively caused the permeability change due to new pathway occurring or existing pathway being cleared. The permeability change might encourage enhancing gas recovery, inducing small earthquakes preventing future large earthquakes, and de-routing underground water flow for various purposes. The prospective permeability increase by axial stress disturbances of Cretaceous sandy shale may effectively expand the capacity of methane gas recovery of Kushiro Coal Mine. The paper observes the permeability change of intact or triaxially fractured Kushiro Cretaceous sandy shale by axial stress disturbances. It will be shown that increasing and decreasing factors might work together on permeability.
Description: MMIJ Fall Meeting 2017, Sept. 26-28 2017, Sapporo, Japan (資源・素材2017(札幌): 平成29年度資源・素材関係学協会合同秋季大会, 2017年9月26日~28日, 北海道大学, 札幌市)
Conference Name: MMIJ Fall Meeting
資源・素材2017(札幌): 平成29年度資源・素材関係学協会合同秋季大会
Conference Place: Sapporo
Type: proceedings
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 藤井 義明

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