Thermal Calculations of Geothermal Heat Utilising One-Well Systems with Injection and Production
- Key words
- geothermal heat exchanger, field temperature, injection and production well, Field exchanger, borehole
- Conference
- World Geothermal Congress
- Year
- 2000
- Session
- Direct Use, Geothermal Heat Pumps
- Language
- English
- Paper number
- R0682
Full text
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Abstract
A method of heat calculation and an analysis of the influence of the annular injected fluid on the inner-liner produced fluid for two kinds of heat exchangers in a one-well system is presented. The exchangers are partly immersed in a geothermal reservoir from which the heat of the geothermal water is drawn. The first part of the heat exchanger is located in the impervious caprock where temperature changes linearly. Graphs of changes of fluid temperature for various production and reservoir conditions are also presented.
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