Method for controlling permeability of subterranean formations

Details Method for controlling permeability of subterranean formations Method for controlling permeability of subterranean formations

1977-07-08

1980-01-08

Guynn, Herbert B.

Wells

Processes

Cementing, plugging or consolidating

166274, 252 85C, 252 855K, 252 855D, E21B 33138, E21B 4322

Patent

active

041824172

ABSTRACT:
In the recovery of hydrocarbon materials from subterranean formations, the simultaneous production or loss of other fluids such as water is inhibited by the selective introduction into the subterranean porous structure of discrete spheroidal microgels of a water-swollen or water-swellable, crosslinked polymer such as crosslinked polyacrylamide.

REFERENCES:
patent: 3247171 (1966-04-01), Walker et al.
patent: 3490533 (1970-01-01), McLaughlin
patent: 3730271 (1973-05-01), Gall
patent: 3749172 (1973-07-01), Hessert et al.
patent: 3780806 (1973-12-01), Bott
patent: 3785437 (1974-01-01), Clampitt et al.
patent: 3921733 (1975-11-01), Clampitt
patent: 3926258 (1975-12-01), Hessert et al.
patent: 4059552 (1977-11-01), Zweigle et al.

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