Tracer Stability and Chemical Changes in an Injected Geothermal Fluid During Injection-Backflow Testing at the East Mesa Geothermal Field

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The stabilities of several tracers were tested under geothermal conditions while injection-backflow tests were conducted at East Mesa. The tracers I and Br were injected continuously while SCN (thiocyanate), B, and disodium fluorescein were each injected as a point source (slug). The tracers were shown to be stable, except where the high concentrations used during slug injection induced adsorption of the slug tracers. However, adsorption of the slug tracers appeared to ''armor'' the formation against adsorption during subsequent tests. Precipitation behavior of calcite and silica as well as Na/K shifts during injection are also discussed.

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247-252

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Adams, M. C. January 22, 1985.

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The stabilities of several tracers were tested under geothermal conditions while injection-backflow tests were conducted at East Mesa. The tracers I and Br were injected continuously while SCN (thiocyanate), B, and disodium fluorescein were each injected as a point source (slug). The tracers were shown to be stable, except where the high concentrations used during slug injection induced adsorption of the slug tracers. However, adsorption of the slug tracers appeared to ''armor'' the formation against adsorption during subsequent tests. Precipitation behavior of calcite and silica as well as Na/K shifts during injection are also discussed.

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247-252

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  • 10. annual workshop on geothermal reservoir engineering, Stanford, CA (US), 01/22/1985

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  • Report No.: SGP-TR-84
  • Report No.: CONF-850107-40
  • Office of Scientific & Technical Information Report Number: 892564
  • Archival Resource Key: ark:/67531/metadc874537

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  • January 22, 1985

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  • Sept. 21, 2016, 2:29 a.m.

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  • June 27, 2019, 3:51 p.m.

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Adams, M. C. Tracer Stability and Chemical Changes in an Injected Geothermal Fluid During Injection-Backflow Testing at the East Mesa Geothermal Field, article, January 22, 1985; Utah. (https://digital.library.unt.edu/ark:/67531/metadc874537/: accessed June 3, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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