Surfactant additive for oil field acidizing

Details Surfactant additive for oil field acidizing Surfactant additive for oil field acidizing

1995-08-08

1998-08-25

Suchfield, George A.

Wells

Processes

Placing fluid into the formation

507255, 507259, 507265, 507267, 507933, E21B 4327

Patent

active

057974560

ABSTRACT:
Subterranean oil-bearing formations are treated with aqueous acid solutions which include an effective amount of an ester or salts of sulfonated fatty acids, which exhibits both antisludge and demulsification properties.

REFERENCES:
patent: 2927639 (1960-03-01), Schuessler et al.
patent: 3873452 (1975-03-01), Donham
patent: 4137972 (1979-02-01), McLaughlin et al.
patent: 4167214 (1979-09-01), Street, Jr.
patent: 4290901 (1981-09-01), Royle
patent: 5543387 (1996-08-01), Mokadam et al.

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