Enzymatically-treated guar gums

Details Enzymatically-treated guar gums Enzymatically-treated guar gums

1986-10-09

1987-07-28

Novosad, Stephen J.

Wells

Processes

Placing fluid into the formation

252 8551, 435274, E21B 4326

Patent

active

046826548

ABSTRACT:
A method of recovering oil from an oil-bearing formation by fractionation, utilizing as oil-recovery means aqueous guar gum compositions having a very low content of insolubles, the compositions being formed by impregnating free-flowing solid, particulate guar gum with one or more hydrolytic enzymes and thereafter dissolving the particles of guar gum in water.

REFERENCES:
patent: 3483121 (1969-12-01), Jordan
patent: 3948325 (1976-04-01), Winston et al.
patent: 3966618 (1976-06-01), Colegrove
patent: 4010071 (1977-03-01), Colegrove
patent: 4165257 (1979-08-01), Stokke
patent: 4326037 (1982-04-01), Griffith et al.

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