Block copolymers for enhanced oil recovery

Details Block copolymers for enhanced oil recovery Block copolymers for enhanced oil recovery

1985-05-31

1987-05-19

Marquis, Melvyn I.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

522175, 522178, 522181, 522182, 525212, 525218, 525221, C08F 250

Patent

active

046669558

ABSTRACT:
Water soluble block copolymers having two or more water soluble polymer blocks useful for controlling the viscosity of aqueous media used in enhanced oil recovery techniques are described.

REFERENCES:
patent: 3763277 (1973-10-01), Chu et al.
patent: 3993712 (1976-11-01), Guilbault
patent: 4347339 (1982-08-01), Boevink et al.

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