Designing micellar displacement systems to minimize adsorption

Details Designing micellar displacement systems to minimize adsorption Designing micellar displacement systems to minimize adsorption

1975-03-31

1976-07-27

Novosad, Stephen J.

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With indicating, testing, measuring or locating

166275, E21B 4322, E21B 4700, E21B 4900

Patent

active

039714390

ABSTRACT:
Where a micellar displacement fluid interacts with the rock of a particular reservoir to produce a negative surface potential, the least adsorption of surfactant occurs and slug instability due to surfactant loss is minimized. Thus, micellar displacement fluid integrity can be increased by selecting slug components which produce a more negative surface potential at the fluid-rock interface compared to the surface potential of the rock formation fluids prior to injection of the micellar system.

REFERENCES:
patent: 3258072 (1966-06-01), Froning
patent: 3493051 (1970-02-01), Gogarty
patent: 3570602 (1971-03-01), Halbert, Jr.
patent: 3731741 (1973-05-01), Palmer et al.
patent: 3825067 (1974-07-01), Vestal

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