Overview of the Hijiori shallow reservoir circulation tests and reservoir fluid storage analysis

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Since 1985, NEDO has advanced a]Hot Dry Rock project in Hijiori, Japan. Circulation tests have been performed in FY1991 (in a shallow reservoir), and in FY1995 (in both shallow and deep reservoirs). In 1991 circulation test, the result was that 78% fluid recovery at an injection rate of 60 tons/hour and production temperatures of 150 °C - 190 °C . However no detailed analysis of flow conditions was given. Therefore, a simplified HDR model has been proposed to understand the Hijion HDR reservoir. We have analyzed the 1991 circulation test using the model. This study is very important for analyzing ... continued below

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275-279

Creation Information

Shiga, Takahiro; Hyodo, Masami; Takasugi, Shinji; Wright, C.A. & Conant, R.A. January 24, 1996.

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Description

Since 1985, NEDO has advanced a]Hot Dry Rock project in Hijiori, Japan. Circulation tests have been performed in FY1991 (in a shallow reservoir), and in FY1995 (in both shallow and deep reservoirs). In 1991 circulation test, the result was that 78% fluid recovery at an injection rate of 60 tons/hour and production temperatures of 150 °C - 190 °C . However no detailed analysis of flow conditions was given. Therefore, a simplified HDR model has been proposed to understand the Hijion HDR reservoir. We have analyzed the 1991 circulation test using the model. This study is very important for analyzing the circulation test in both of shallow and deep reservoir which was conducted in 1995. This paper summarizes the 1991 circulation test at the Hijiori HDR test site, and estimation of the reservoir fluid storage by using "unrecovered" flow from the new conceptual idea of HDR reservoir model.

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275-279

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  • Proceedings, Twenty-first Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, CA, January 22-24, 1996

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  • Report No.: SGP-TR-151-38
  • Grant Number: None
  • Office of Scientific & Technical Information Report Number: 889822
  • Archival Resource Key: ark:/67531/metadc884603

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  • January 24, 1996

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  • Sept. 21, 2016, 2:29 a.m.

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  • Feb. 17, 2017, 12:51 p.m.

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Shiga, Takahiro; Hyodo, Masami; Takasugi, Shinji; Wright, C.A. & Conant, R.A. Overview of the Hijiori shallow reservoir circulation tests and reservoir fluid storage analysis, article, January 24, 1996; (digital.library.unt.edu/ark:/67531/metadc884603/: accessed August 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.