RF in situ heating of heavy oil in combination with steam floodi

Details RF in situ heating of heavy oil in combination with steam floodi RF in situ heating of heavy oil in combination with steam floodi

1991-01-31

1992-05-05

Novosad, Stephen J.

Wells

Processes

Electric current or electrical wave energy through earth for...

166272, E21B 4324

Patent

active

051099276

ABSTRACT:
A subterranean hydrocarbon-bearing formation is preheated by application of RF energy to the formation so that subsequent steam flooding will more effectively sweep the hydrocarbons from the formation without steam override occurring.

REFERENCES:
patent: 3848671 (1974-11-01), Kern
patent: 4140180 (1979-02-01), Bridges et al.
patent: 4456065 (1984-06-01), Heim et al.
patent: 4545435 (1985-10-01), Bridges et al.
patent: 4926941 (1990-05-01), Glandt et al.

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