Use of calcium halide-water as a heat extraction medium for ener

Details Use of calcium halide-water as a heat extraction medium for ener Use of calcium halide-water as a heat extraction medium for ener

1977-03-17

1979-02-06

Ostrager, Allen M.

Power plants

Utilizing natural heat

Geothermal

252 67, 165 45, 299 5, 60651, F03G 704

Patent

active

041377206

ABSTRACT:
In order to extract energy in a matter more efficient than is presently known to the art, from hot dry rock geothermal systems, a mixture of water and calcium chloride is used. The fluid mixture is injected into a formation and forced through the formation with simultaneous extraction of heat from the energy recovery or heat extraction surrounding rocks. The fluid and a larger fraction of its contained energy are then recovered than can presently be recovered by technology known to the art.

REFERENCES:
patent: 874907 (1907-12-01), Frasch
patent: 2161800 (1939-06-01), Cross
patent: 2896930 (1959-07-01), Menke
patent: 3437451 (1969-04-01), Every et al.
patent: 3574599 (1971-04-01), Ortloff et al.
patent: 3676078 (1972-07-01), Jacoby
patent: 3792902 (1974-02-01), Towell et al.

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