Fluid flow monitoring by vertical electric profiling survey in takigami geothermal field, middle Kyushu, Japan

Keisuke Ushijima, Shigetsugu Furuya, Hideki Mizunaga, Toshiro Motomatsu

Research output: Contribution to journalConference article

2 Citations (Scopus)

Abstract

The Vertical Electrical Profiling (VEP) surveys were carried out for the direct imaging of fractures in a northern reinjection area using TT-10 reinjection well and in the southern production area using TT-14 and TT-13 production wells in the Takigami geothermal field, Kyushu, Japan. The injection/production fluid-flows were continuously monitored with multiple potential electrodes on the ground surface surrounding the well. The potential data are measured with every 2 sec intervals by the digital recording system controlled by a personal computer on the site. The distribution of fractures estimated from the detected potentials show good agreements with the geometry of major fractures determined by the previous VEP (hole-to-surface) surveys in 1984 and the modern magneto-telluric survey in 1987.

Original languageEnglish
Pages (from-to)323-328
Number of pages6
JournalTransactions - Geothermal Resources Council
Volume16
Publication statusPublished - Dec 1 1992
Event1992 Annual Meeting of the Geothermal Resources Council - San Diego, CA, USA
Duration: Oct 4 1992Oct 7 1992

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Geophysics

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