Method for altering the permeability of a subterranean formation

Details Method for altering the permeability of a subterranean formation Method for altering the permeability of a subterranean formation

1975-06-16

1976-05-25

Novosad, Stephen J.

Wells

Processes

Cementing, plugging or consolidating

166295, E21B 33138

Patent

active

039586383

ABSTRACT:
A method for altering the permeability of a subterranean formation in which aqueous polymer solution and encapsulated reacting agent is passed into the formation with subsequent release of reacting agent in response to formation conditions causing a reaction that thickens the polymer solution.

REFERENCES:
patent: 2748867 (1956-06-01), Lissant
patent: 3141513 (1964-07-01), Davis
patent: 3237693 (1966-03-01), Huitt et al.
patent: 3420299 (1969-01-01), Cloud
patent: 3658129 (1972-04-01), Lanning et al.
patent: 3727687 (1973-04-01), Clampitt et al.
patent: 3749172 (1973-07-01), Hessert et al.
patent: 3762476 (1973-10-01), Gall

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