A time-lapse reflection survey for the geothermal reservoir monitoring in Akinomiya geothermal area, Akita pref. Japan

Toshiyuki Yokota; Yasukuni Okubo; Shuichi Rokugawa; Jun Matsushima; Kazuo Yamaguchi; Naomi Kano; Hiroyuki Koike; Kyosuke Onishi

doi:10.1071/ASEG2003ab186

ISSN: 2202-0586
E-ISSN:

oa A time-lapse reflection survey for the geothermal reservoir monitoring in Akinomiya geothermal area, Akita pref. Japan
Authors Toshiyuki Yokota^a, Yasukuni Okubo^b, Shuichi Rokugawa^c, Jun Matsushima^d, Kazuo Yamaguchi^e, Naomi Kano^f, Hiroyuki Koike^g and Kyosuke Onishi^h
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^a Geological Survey of Japan, AIST, [email protected] ^b Geological Survey of Japan, AIST, [email protected] ^c University of Tokyo, [email protected] ^d Geological Survey of Japan, AIST, (Presently Japan National Oil Corporation) [email protected] ^e Geological Survey of Japan, AIST, [email protected] ^f Geological Survey of Japan, AIST, [email protected] ^g University of Tokyo, [email protected] ^h University of Tokyo, [email protected]
Publisher: Australian Society of Exploration Geophysicists
Source: ASEG Extended Abstracts, Volume 2003, Issue ASEG2003 - 16th Geophysical Conference, Aug 2003, p. 1 - 4
DOI: https://doi.org/10.1071/ASEG2003ab186
- Published online: 01 Aug 2003

Abstract

In this paper, we would like to examine the applicability of the time-lapse seismic reflection survey to the geothermal reservoir monitoring.

Akinomiya geothermal area, Akita pref. Japan is the study area where four-month steam production test was performed. The baseline and monitoring surveys were conducted just after and one year after the test. Because the maximum reservoir pressure difference and minimum seasonal difference are satisfied simultaneously.

We find the similarity and difference in the results of the baseline and monitoring surveys which suggests the large scale geology and the change occurred in the reservoir, respectively.

We also demonstrate the possibility of the simple 3-D survey named "handy 3-D. In the survey, vibrator shot points are located on the roads and the reservoirs are deployed as 3-D patch. If it is successful, number of the seismic reflection surveys carried out in the mountainous areas will be encouraged.

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References

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Ikawa, T., Onishi, M., and Kawanaka, T., 2000, Application of seismic reflection method for geothermal exploration in Japan: Geothermal Energy (Journal of Geothermal Energy Development Center, New Energy Foundation, Japan), 25, 114-129 (in Japanese).
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/content/journals/10.1071/ASEG2003ab186

Article Type: Research Article

Keyword(s): a handy 3-D survey in mountainous area; geothermal area; time-lapse seismic survey

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oa A time-lapse reflection survey for the geothermal reservoir monitoring in Akinomiya geothermal area, Akita pref. Japan

Abstract

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