System approach to geothermal field development

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Description

Geothermal energy will play an important role. Thanks to the great endeavors of those engaged in the geothermal field development in Japan, it has become possible to generate 50MW/hr of electricity per unit field. Up to this day, as is often the case with its stage in the cradle, the main purpose has been to produce electricity from geothermal steam. The target of exploitation has mainly been the area by surface geological survey and the reservoirs are located not deeper than 1500 meters. The technology for geothermal resource development necessitate full application of every essential technique in order to cope ... continued below

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pages 234-238

Creation Information

Hirakawa, Seiichi January 1, 1978.

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Description

Geothermal energy will play an important role. Thanks to the great endeavors of those engaged in the geothermal field development in Japan, it has become possible to generate 50MW/hr of electricity per unit field. Up to this day, as is often the case with its stage in the cradle, the main purpose has been to produce electricity from geothermal steam. The target of exploitation has mainly been the area by surface geological survey and the reservoirs are located not deeper than 1500 meters. The technology for geothermal resource development necessitate full application of every essential technique in order to cope with the various types of objective geothermal resources, and, since it has direct influence on the profitability of investment, it needs to be evaluated from an overall viewpoint. The evaluation, at the same time, must be carried out efficiently, invoking various effective methods. Therefore, it is expected to develop a simulation model which gives rational data for a judgement in working out strategies, such as the scale of the exploration, installation of utilities and schedules of investment and development. With a view to it, the model should be able to simulate both physical and economical phenomena through the life of the geothermal field, that is, from the beginning of exploration to development and utilization. It also should at once determine the optimum conditions the static and dynamic characteristics of the reservoir, the depth and the number of production and injection wells, the fittest layout and specifications of the site including surface facilities, the behavior of pressure, enthalpy and other behaviors of the geothermal fluids flowing from the bottom to the head of the well and the costs associated with exploration, production and operation. The purpose of this study is to develop simulation models for optimizing the scheme from exploration to utilization and to compose simulation programs for a digital computer.

Physical Description

pages 234-238

Source

  • Proceedings fourth workshop geothermal reservoir engineering, Stanford, CA, December13-15, 1978

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  • Report No.: SGP-TR-30
  • Report No.: CONF-781222-31
  • Grant Number: None
  • Office of Scientific & Technical Information Report Number: 892544
  • Archival Resource Key: ark:/67531/metadc874783

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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 1, 1978

Added to The UNT Digital Library

  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 8, 2016, 11:22 p.m.

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Hirakawa, Seiichi. System approach to geothermal field development, article, January 1, 1978; United States. (digital.library.unt.edu/ark:/67531/metadc874783/: accessed May 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.