Chemical water/rock interaction under reservoir condition

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Description

A simple model is proposed for water/rock interaction in rock fractures through which geothermal water flows. Water/rock interaction experiments were carried out at high temperature and pressure (200-350 C, 18 MPa) in order to obtain basic solubility and reaction rate data. Based on the experimental data, changes of idealized fracture apertures with time are calculated numerically. The results of the calculations show that the precipitation from water can lead to plugging of the fractures under certain conditions. Finally, the results are compared with the experimental data.

Physical Description

159-165

Creation Information

Watanabe, K.; Tanifuji, K.; Takahashi, H.; Wang, Y.; Yamasaki, N. & Nakatsuka, K. January 26, 1995.

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Description

A simple model is proposed for water/rock interaction in rock fractures through which geothermal water flows. Water/rock interaction experiments were carried out at high temperature and pressure (200-350 C, 18 MPa) in order to obtain basic solubility and reaction rate data. Based on the experimental data, changes of idealized fracture apertures with time are calculated numerically. The results of the calculations show that the precipitation from water can lead to plugging of the fractures under certain conditions. Finally, the results are compared with the experimental data.

Physical Description

159-165

Source

  • Proceedings, Twentieth Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, CA, January 24-26, 1995

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  • Report No.: SGP-TR-150-22
  • Grant Number: None
  • Office of Scientific & Technical Information Report Number: 889378
  • Archival Resource Key: ark:/67531/metadc884600

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • January 26, 1995

Added to The UNT Digital Library

  • Sept. 21, 2016, 2:29 a.m.

Description Last Updated

  • Nov. 22, 2016, 10:27 p.m.

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Watanabe, K.; Tanifuji, K.; Takahashi, H.; Wang, Y.; Yamasaki, N. & Nakatsuka, K. Chemical water/rock interaction under reservoir condition, article, January 26, 1995; United States. (digital.library.unt.edu/ark:/67531/metadc884600/: accessed December 12, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.