Method for selective plugging using resin emulsions

Details Method for selective plugging using resin emulsions Method for selective plugging using resin emulsions

1980-11-20

1982-10-05

Novosad, Stephen J.

Wells

Processes

Cementing, plugging or consolidating

166300, E21B 33138

Patent

active

043523960

ABSTRACT:
Methods and compositions are provided for selectively plugging the water-rich strata of subterranean formations, including injection into the formation of a water-insoluble, oil-soluble resin emulsion. A series of chemical reactions is initiated in-situ such that the emulsion demulsifies, resulting in the coalescence of resin droplets. The coalesced water-insoluble, oil-soluble resin droplets are effective to selectively plug the water-rich strata over a relatively long distance and over a relatively long period of time.

REFERENCES:
patent: 2604947 (1952-07-01), Martin
patent: 2858892 (1958-11-01), Carpenter
patent: 3123158 (1964-03-01), Gallus
patent: 3724551 (1973-04-01), Troscinski et al.
patent: 3759327 (1973-09-01), Carnes
patent: 3866684 (1975-02-01), Friedman
patent: 3866685 (1975-02-01), Friedman
patent: 3892275 (1975-07-01), Lybarger et al.
Morrison et al., Organic Chemistry, Second Edition, Allyn and Bacon, Inc., 1966, pp. 678-681.

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