Micellar flooding process

Details Micellar flooding process Micellar flooding process

1976-06-23

1977-07-19

Novosad, Stephen J.

Wells

Processes

Distinct, separate injection and producing wells

166274, 252 855D, E21B 4322

Patent

active

040363007

ABSTRACT:
A process for the recovery of petroleum from a subterranean formation by the injection of a micellar displacement system consisting of a micellar solution and aqueous phase including the ammonium or alkali metal salt of an aminopolycarboxylic acid as a chelating agent. The chelating agent is present in concentrations in excess of the stoichiometric amount required to chelate the multivalent ion of the aqueous phase.

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patent: 3302712 (1967-02-01), Townsend et al.
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patent: 3491834 (1970-01-01), Ahearn et al.
patent: 3500921 (1970-03-01), Abrams et al.
patent: 3500922 (1970-03-01), O'Brien et al.
patent: 3502147 (1970-03-01), Hill et al.
patent: 3522844 (1970-08-01), Abdo
patent: 3660287 (1972-05-01), Quattrini
patent: 3688844 (1972-09-01), Roszelle

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