Formation heating with oscillatory hot water circulation

Details Formation heating with oscillatory hot water circulation Formation heating with oscillatory hot water circulation

1990-10-19

1992-04-21

Suchfield, George A.

Wells

Processes

Vibrating the earth or material in or being placed in the...

166302, 166303, E21B 4324, E21B 4325

Patent

active

051058804

ABSTRACT:
A portion of a formation is heated by introducing heated water into a borehole within the formation and imposing an oscillatory motion onto the heated water. The heated water can be introduced into the borehole by injecting water into the borehole and heating in situ the injected water, or by injecting heated water into the borehole, or by heating in situ water already present within the borehole. In one embodiment, the heated water is maintained as a liquid phase at a temperature of at least 180.degree. F. within the borehole by using electrically driven paddles to impose upon the heated water oscillatory motion having a frequency of from 1 to 100 hertz.

REFERENCES:
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patent: 3754598 (1973-08-01), Holloway, Jr.
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patent: 4057106 (1977-11-01), Clingman
patent: 4305463 (1981-12-01), Zakiewicz
patent: 4417621 (1983-11-01), Medlin et al.
patent: 4783585 (1988-11-01), Meshekow
U. H. Kurzweg et al., "Heat Transfer by High-Frequency Oscillations: A New Hydrodynamic Technique for Achieving Large Effective Thermal Conductivities", Phys. Fluids, 27 (11), Nov., 1984, pp. 2624-2627.

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