Method for controlling fines migrations

Details Method for controlling fines migrations Method for controlling fines migrations

1976-03-19

1977-04-19

Novosad, Stephen J.

Wells

Processes

Cementing, plugging or consolidating

E21B 33138

Patent

active

040182851

ABSTRACT:
A method of controlling the migration of fines in a subterranean formation comprising contacting the formation with a dilute resin solution; displacing the resin solution into the formation, preferably with an overflush oil, so as to leave behind a thin film of resin solution; extracting the diluent present in the resin, and then curing the resin to an infusible state. The preferred resin is a one-step phenolic type resin which cures at formation temperatures and which should comprise from about 5 to about 30 weight percent of the resin solution and preferably about 10 to 20 weight percent.

REFERENCES:
patent: 3294165 (1966-12-01), Meijs et al.
patent: 3297087 (1967-01-01), Spain
patent: 3305017 (1967-02-01), Dollarhide
patent: 3327783 (1967-06-01), Ayers
patent: 3368626 (1968-02-01), Bezemer et al.
patent: 3481403 (1969-12-01), Gidley et al.

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