A study of production/injection data from slim holes and large-diameter production wells at the Oguni Geothermal Field, JP

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Production and injection data from 11 slim holes and 10 large-diameter wells at the Oguni Geothermal Field, Japan, were examined in an effort to establish relationships (1) between productivity of large-diameter wells and slim holes, (2) between injectivity and productivity indices and (3) between productivity index and borehole diameter. The production data from Oguni boreholes imply that the mass production from large diameter wells may be estimated based on data from slim holes. Test data from both large- and smalldiameter boreholes indicate that to first order the productivity and the injectivity indices are equal. Somewhat surprisingly, the productivity index was ... continued below

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75-82

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Garg, S.K.; Combs, Jim & Abe, M. January 20, 1994.

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Production and injection data from 11 slim holes and 10 large-diameter wells at the Oguni Geothermal Field, Japan, were examined in an effort to establish relationships (1) between productivity of large-diameter wells and slim holes, (2) between injectivity and productivity indices and (3) between productivity index and borehole diameter. The production data from Oguni boreholes imply that the mass production from large diameter wells may be estimated based on data from slim holes. Test data from both large- and smalldiameter boreholes indicate that to first order the productivity and the injectivity indices are equal. Somewhat surprisingly, the productivity index was found to be a strong function of borehole diameter; the cause for this phenomenon is not understood at this time.

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75-82

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  • Proceedings, nineteenth workshop on geothermal reservoir engineering, Stanford University, Stanford, CA, January 18-20, 1994

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  • Report No.: SGP-TR-147-11
  • Grant Number: None
  • Office of Scientific & Technical Information Report Number: 889125
  • Archival Resource Key: ark:/67531/metadc884539

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  • January 20, 1994

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  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 2, 2016, 1:01 p.m.

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Garg, S.K.; Combs, Jim & Abe, M. A study of production/injection data from slim holes and large-diameter production wells at the Oguni Geothermal Field, JP, article, January 20, 1994; United States. (digital.library.unt.edu/ark:/67531/metadc884539/: accessed September 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.