Downhole radial flow steam generator for oil wells

Details Downhole radial flow steam generator for oil wells Downhole radial flow steam generator for oil wells

1994-07-26

1997-04-22

Jeffery, John A.

Electric resistance heating devices

Heating devices

Borehole type

392305, 392306, 166 60, E21B 3604, F22B 130, H05B 360

Patent

active

056235763

ABSTRACT:
A downhole radial flow steam generator for oil wells that includes an annular casing and a water passage extending therethrough with a porous medium between the casing and passage with electrode means within the generator to heat the water into steam or hot water wherein the fluid is directed radially through the medium and the annular casing into a preselected earth strata to heat oil therein and reduce its viscosity for pumping to the surface.

REFERENCES:
patent: 4127169 (1978-11-01), Tubin et al.
patent: 4378846 (1983-04-01), Brock
patent: 4783585 (1988-11-01), Meshekow
patent: 5070533 (1991-12-01), Bridges et al.
patent: 5120935 (1992-06-01), Nenniger

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