Sacrificial agents for petroleum recovery processes

Details Sacrificial agents for petroleum recovery processes Sacrificial agents for petroleum recovery processes

1978-11-24

1980-08-19

Guynn, Herbert B.

Wells

Processes

Distinct, separate injection and producing wells

166275, 252 855D, E21B 4322

Patent

active

042179580

ABSTRACT:
In a surfactant flooding process for recovering oil from a subterranean petroleum reservoir, surfactant loss by adsorption onto the mineral grains of the reservoir matrices is reduced by the addition to the surfactant solution of a sacrificial agent selected from the group consisting of polybasic carboxylic acids, their water soluble salts and mixtures thereof.

REFERENCES:
patent: 2839466 (1958-06-01), Shock et al.
patent: 2852077 (1958-09-01), Cocks
patent: 3258071 (1966-06-01), Shen et al.
patent: 3469630 (1969-09-01), Hurd et al.
patent: 4077471 (1978-03-01), Shupe et al.
patent: 4133385 (1979-01-01), Kalfoglov

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