Steam foam process

Details Steam foam process Steam foam process

1986-06-17

1987-09-15

Novosad, Stephen J.

Wells

Processes

Distinct, separate injection and producing wells

166273, E21B 4324

Patent

active

046933115

ABSTRACT:
A steam foam process for diverting steam within a subterranean reservoir and improving oil displacement is carried out by injecting into the reservoir a steam-foam-forming mixture comprising steam and a linear C.sub.25 -C.sub.30 -.alpha.-olefin sulphonate surfactant, and preferably a non-condensable gas.

REFERENCES:
patent: 3318379 (1967-03-01), Bond et al.
patent: 3330346 (1967-07-01), Jacobs et al.
patent: 4086964 (1978-05-01), Dilgren et al.
patent: 4191252 (1980-03-01), Buckley et al.
patent: 4364431 (1982-12-01), Suidi et al.
patent: 4570711 (1986-02-01), Falls et al.
patent: 4579176 (1986-04-01), Davies et al.

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