Interference of production between two wells during a one month circulation test at the Hijiori Hot Dry Rock test site

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In 1995, a one-month circulation test (Exp.9501) was carried out with HDR-1 as an injection well and HDR-2 and HDR-3 as production wells at the Hijiori HDR site in Yamagata prefecture, Japan. There are two reservoirs in a high temperature granite at the site. Exp.9501 was the first circulation test to evaluate characteristics of the deeper reservoir at about 2200 m deep and was a preliminary test for the subsequent two-years circulation test. The interference between the two reservoirs was observed because of water level changes in production wells. This observation was simulated by using a wellbore heat transfer ( ... continued below

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295-298

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Tenma, Norio; Yamaguchi, Tsutomu; Matsunaga, Isao; Kuriyagawa, Michio & Sato, Yoshiteru January 24, 1996.

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In 1995, a one-month circulation test (Exp.9501) was carried out with HDR-1 as an injection well and HDR-2 and HDR-3 as production wells at the Hijiori HDR site in Yamagata prefecture, Japan. There are two reservoirs in a high temperature granite at the site. Exp.9501 was the first circulation test to evaluate characteristics of the deeper reservoir at about 2200 m deep and was a preliminary test for the subsequent two-years circulation test. The interference between the two reservoirs was observed because of water level changes in production wells. This observation was simulated by using a wellbore heat transfer ( WBHT) code and concluded that this could occur when downhole pressure changed by heating up of the wellbore. Geochemistry of the produced fluid support this conclusion.

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295-298

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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-151-41
  • Grant Number: None
  • Office of Scientific & Technical Information Report Number: 889827
  • Archival Resource Key: ark:/67531/metadc876425

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  • January 24, 1996

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  • Sept. 21, 2016, 2:29 a.m.

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  • July 13, 2017, 12:17 p.m.

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Tenma, Norio; Yamaguchi, Tsutomu; Matsunaga, Isao; Kuriyagawa, Michio & Sato, Yoshiteru. Interference of production between two wells during a one month circulation test at the Hijiori Hot Dry Rock test site, article, January 24, 1996; United States. (digital.library.unt.edu/ark:/67531/metadc876425/: accessed August 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.