Block copolymers useful for enhanced oil recovery processes

Details Block copolymers useful for enhanced oil recovery processes Block copolymers useful for enhanced oil recovery processes

1987-01-16

1989-03-07

Lieberman, Allan M.

Wells

Processes

Distinct, separate injection and producing wells

166295, 252 8514, E21B 4325

Patent

active

048097829

ABSTRACT:
Polymers and gels useful for permeability control in subterranean formations, said polymers having structural forms of ABA triblocks and (AB).sub.n multiblock are disclsoed.

REFERENCES:
patent: 4002589 (1977-01-01), Farley et al.
patent: 4485211 (1984-11-01), Okamoto
patent: 4653585 (1987-03-01), Chung et al.
patent: 4658898 (1987-04-01), Paul et al.

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