Method of improving conformance in steam floods with steam foami

Details Method of improving conformance in steam floods with steam foami Method of improving conformance in steam floods with steam foami

1984-08-08

1985-09-10

Suchfield, George A.

Wells

Processes

Distinct, separate injection and producing wells

166309, 252 855D, E21B 4322, E21B 4324

Patent

active

045400504

ABSTRACT:
The disclosed invention is a group of steam foaming agents for injection with steam and a non-condensable gas to decrease permeability in steam swept zones and increase oil recovery. The foaming agents have the general formula:

REFERENCES:
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patent: 4086964 (1978-05-01), Dilgren et al.
patent: 4088190 (1978-05-01), Fischer et al.
patent: 4113011 (1978-09-01), Bernard et al.
patent: 4175618 (1979-11-01), Wu et al.
patent: 4393937 (1983-07-01), Dilgren et al.
R. L. Eson, SPE Paper No. 11806, "Improvements in Sweep Efficiencies . . . ", 1983.
T. M. Doscher et al., "Field Demonstration of Steam Drive . . . ", Journal of Petroleum Technology, Jul. 1982, pp. 1535-1542.
R. M. Dilgren et al., SPE Paper No. 10774, "Laboratory Development and Field Testing of . . . Foams", 1982.

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