Method for reducing friction loss in a well fracturing process

Compositions – Leather or fur treating

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137 13, 166308, F17D 116, E21B 4326

Patent

active

041522745

ABSTRACT:
A method of reducing friction loss in oil well fracturing through the addition of small amounts of copolymers of acrylamide and quaternary salts of dimethylaminoethyl methacrylate and dimethylaminopropyl methacrylamide.

REFERENCES:
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patent: 3014896 (1961-12-01), Colwell et al.
patent: 3254719 (1966-06-01), Root
patent: 3868328 (1975-02-01), Boothe et al.
patent: 3943060 (1976-03-01), Martin et al.
patent: 4075183 (1978-02-01), Kawakami et al.

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