APPROACH ON IMPLEMENTATION OF REINJECTION TO LOW TEMPERATURE GEOTHERMAL RESERVOIR With An Example of Reinjection in Beijing Urban Geothermal Field
- Key words
- Geothermal; Reinjection; Mass balance; regional heat flow
- Conference
- Beijing International Geothermal Symposium
- Year
- 2002
- Session
- Research and Application of Techniques
- Language
- Chinese
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Abstract
Three references were cited in this paper, they described the trends of temperature decreasing due to exploitation around ten some years in three geothermal exploitation areas in Beijing. Based on the principle of mass balance, the monitoring data of temperature restoration in the reinjection wells, and the heat flow value in Beijing area, expounded the possibility that large scale reinjection of cold fluid may accelerate the cooling of reservoir. Reinjection should be implemented after test which carried out in a plot of testing area. It is not suitable to carry out large scale injection of colder fluid to geothermal reservoir.
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