Geothermal energy from salt formations

Details Geothermal energy from salt formations Geothermal energy from salt formations

1976-10-06

1977-10-11

Ostrager, Allen M.

Power plants

Utilizing natural heat

Geothermal

165 45, 166302, F03G 704

Patent

active

040528570

ABSTRACT:
A method of obtaining geothermal energy from salt formations in which a well is drilled and cased into a suitable salt formation to a depth where the temperature is such that the salt behaves plastically. A weighted, closed end pipe is inserted into the well with its lower, closed end at about the bottom of the salt formation and thereafter an insulated open end pipe is inserted, after the weight has been removed from the closed end pipe, within said closed end pipe, thus forming a double pipe heat exchanger. A heat exchange fluid is circulated, usually in a closed loop, through the double pipe heat exchanger, an energy extracting means, such as, for example, a steam generator or an hydraulic turbine, and back through the heat exchanger.

REFERENCES:
patent: 3274769 (1964-05-01), Reynolds
patent: 3911683 (1975-10-01), Wolf

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