STRATEGIES FOR THE HIJIORI LONG TERM FLOW TEST
- Key words
- Hijiori, Japan
- Location
- Hijiori, Japan
- Conference
- Stanford Geothermal Workshop
- Year
- 1998
- Session
- HOT DRY ROCK/DEEP-SEATED RESERVOIRS
- Language
- English
Full text
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Abstract
This paper describes analyses being performed to aid in the development of operation strategies for the Long Term Flow Test at the Hijiori Hot Dry Rock reservoir, Japan. Testing has shown that the reservoir is dominated by flow in natural fractures that connect the reservoir to the far-field. When the injection flow is doubled, the production flow rate stays approximately constant. Also, during operation, the production downhole pressures are sub-hydrostatic. The challenge is to design an operating strategy that
provides adequate production within these constraints. GEOCRACK is being used to predict reservoir performance and guide in the design.
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