Geothermal power plant

Details Geothermal power plant Geothermal power plant

1978-08-24

1980-05-06

Ostrager, Allen M.

Power plants

Utilizing natural heat

Geothermal

165 45, F03G 700

Patent

active

042010608

ABSTRACT:
A method for generating electricity wherein a geothermal fluid is produced from a moderate temperature hydrothermal formation and is used to supply sufficient sensible heat to preheat a working fluid, thereby cooling the geothermal fluid. The cool geothermal fluid is preferably reinjected into the hydrothermal formation and the preheated working fluid is injected into a dry hot rock formation wherein it is vaporized. The hot vapor is then recovered and utilized in a heat engine/generator for the production of electricity.

REFERENCES:
patent: 3274769 (1966-09-01), Reynolds
patent: 3470943 (1969-10-01), Van Huisen
patent: 3786858 (1974-01-01), Potter et al.
patent: 3817038 (1974-06-01), Paull et al.
patent: 3857244 (1974-12-01), Faucette
patent: 3975912 (1976-08-01), Greene
patent: 4060988 (1977-12-01), Arnold
patent: 4079590 (1978-03-01), Sheinbaum
O'Keefe, W., "Geothermal Power: Sleeping Giant Stirs," Power, Apr. 1973, pp. 32-34.
"Hot Dry Rock Geothermal Energy: Status of Exploration and Assessment," ERDA 77-74, Jun. 1977, pp. 1, 2, 6, 148 & 149.

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