Fluid flow monitoring system of a geothermal reservoir by electrical prospecting

Hideki Mizunaga, Toshiaki Tanaka, Hideshi Kaieda, Keisuke Ushijima

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)

抄録

An advanced geophysical technique for reservoir monitoring by electrical prospecting has been developed by the joint research of Kyushu University and CRIEPI work in related to fracture evaluation at the Hot Dry Rock Geothermal Power Project in the Ogachi area. The Fluid Flow Tomography survey method utilizes a casing pipe itself as a charged current electrode similar to the mise-a-la-masse method. The method has been applied to monitor fluid-flow behaviors during massive hydraulic fracturing operations and fluid-circulation experiments from injection to production boreholes. In the automatic recording system controlled by a personal computer charged potentials (mV/A) and spontaneous potentials (mV) can be simultaneously measured as a function of time at multiple stations (120ch) surrounding an operating borehole. Fluid-flow behavior in the subsurface could be visualized as a function of time by using contour maps of residual potentials from SP data and relative changes of apparent resistivity due to dynamic reservoir stimulations.

元の言語英語
ページ(範囲)505-512
ページ数8
ジャーナルMemoirs of the Kyushu University, Faculty of Engineering
55
発行部数4
出版物ステータス出版済み - 12 1 1995

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monitoring system
fluid flow
Flow of fluids
Boreholes
Monitoring
borehole
Oil well casings
hot dry rock
geothermal power
Hydraulic fracturing
survey method
contour map
Personal computers
tomography
Tomography
electrical resistivity
electrode
pipe
Rocks
Pipe

All Science Journal Classification (ASJC) codes

  • Energy(all)
  • Atmospheric Science
  • Earth and Planetary Sciences(all)
  • Management of Technology and Innovation

これを引用

Fluid flow monitoring system of a geothermal reservoir by electrical prospecting. / Mizunaga, Hideki; Tanaka, Toshiaki; Kaieda, Hideshi; Ushijima, Keisuke.

:: Memoirs of the Kyushu University, Faculty of Engineering, 巻 55, 番号 4, 01.12.1995, p. 505-512.

研究成果: ジャーナルへの寄稿記事

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