Steam foam floods with a caustic agent

Details Steam foam floods with a caustic agent Steam foam floods with a caustic agent

1986-09-02

1987-10-27

Suchfield, George A.

Wells

Processes

Distinct, separate injection and producing wells

166273, 166303, E21B 4324

Patent

active

047023171

ABSTRACT:
Disclosed is a process of adding a caustic material to a steam foam composed of steam, foaming agent and a non-condensible gas to increase the resistance and lifetime of a steam foam, said caustic agent selected from the group consisting of sodium carbonate, sodium bicarbonate, potassium carbonate, sodium hydroxide, potassium hydroxide, ammonium hydroxide, sodium silicate, and sodium orthosilicate.

REFERENCES:
patent: 4086964 (1978-05-01), Dilgren et al.
patent: 4502541 (1985-03-01), Lawson et al.
patent: 4532993 (1985-08-01), Dilgren et al.
patent: 4540049 (1985-09-01), Hawkins et al.
patent: 4540050 (1985-09-01), Huang et al.
patent: 4556107 (1985-12-01), Duerksen et al.
patent: 4607700 (1986-08-01), Duerksen et al.
patent: 4609044 (1986-09-01), Lau

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