Treating wells with self-precipitating scale inhibitor

Details Treating wells with self-precipitating scale inhibitor Treating wells with self-precipitating scale inhibitor

1981-04-21

1982-11-02

Guynn, Herbert B.

Compositions

Leather or fur treating

166279, C02F 514, E21B 4325

Patent

active

043572480

ABSTRACT:
The scaling of a producing well is inhibited by injecting a self-reacting alkaline aqueous solution of a pH-lowering reactant, a compound containing scale-inhibiting anions and a compound containing multivalent cations, which solution subsequently precipitates a slightly soluble scale inhibitor within the reservoir.

REFERENCES:
patent: 3483925 (1969-12-01), Slyker
patent: 3633672 (1972-01-01), Smith et al.
patent: 3704750 (1972-12-01), Miles et al.
patent: 3943059 (1976-03-01), Chiu
patent: 3953340 (1976-04-01), Templeton et al.
patent: 3997452 (1976-12-01), Richardson et al.

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