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

1988-09-16

1990-03-20

Suchfield, George A.

Wells

Processes

Distinct, separate injection and producing wells

166273, 166295, 252 8554, 523130, E21B 33138, E21B 4322

Patent

active

049093240

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 disclosed.

REFERENCES:
patent: 3923100 (1975-12-01), Bellos et al.
patent: 4110232 (1978-08-01), Schwab et al.
patent: 4532052 (1985-07-01), Weaver et al.
patent: 4540498 (1985-09-01), Wu et al.

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