Generation of electricity during the injection of a dense fluid

Details Generation of electricity during the injection of a dense fluid Generation of electricity during the injection of a dense fluid

1978-01-16

1979-01-02

Purser, Ernest R.

Wells

Processes

Distinct, separate injection and producing wells

166 65R, 166305R, 60641, 290 52, E21B 4320, F03G 704

Patent

active

041322690

ABSTRACT:
Electricity is generated during the injection of a dense fluid through an injection well and into a subterranean formation having a connate fluid pressure less than the available downhole pressure of injection fluid in the injection well. A fluid engine/generator is positioned in the well to define upper and lower zones in the well; a level of dense fluid is established in the upper zone; and dense fluid is flowed from the upper zone through the fluid engine/generator and into the subterranean formation to thereby generate electricity, which is subsequently recovered. Control of the downhole fluid pressure is also achieved.

REFERENCES:
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patent: 3857244 (1974-12-01), Faucette
patent: 3939356 (1976-02-01), Loane
patent: 4050516 (1977-09-01), Canterbury
Armstead, "Some Unusual Ways of Developing Power from a Geothermal Field," Proceedings: Second United Nations Symposium on the Development and Use of Geothermal Resources, May 1975, pp. 1897, 1903, 1904.
Chasteen, "Geothermal Steam Condensate Reinjection," Ibid, pp. 1335, 1336.
Scott, "Hydropower from Underground Pumped Storage," Energy Sources, vol. 2, No. 2, Sept. 1975, pp. 217-227.

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