Wells – Processes – Cementing – plugging or consolidating
Patent
1976-09-24
1978-06-20
Novosad, Stephen J.
Wells
Processes
Cementing, plugging or consolidating
E21B 33138
Patent
active
040956512
ABSTRACT:
Process for reducing or suppressing water penetration into oil or gas producing wells which comprises injecting an aqueous polymer solution of controlled viscosity into an underground formation and then placing the well on production. The polymer is, for example, hydrolyzed polyacrylamide and the solution is preferably a salt solution.
REFERENCES:
patent: 3308885 (1967-03-01), Sandiford
patent: 3749172 (1973-07-01), Hessert et al.
patent: 3757863 (1973-09-01), Clampitt et al.
patent: 3949811 (1976-04-01), Threlkeld et al.
Chauveteau Guy
Moulu Jean-Claude
Institut Francais du Pe'trole
Novosad Stephen J.
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