Composition and method for acidizing earthen formations

Details Composition and method for acidizing earthen formations Composition and method for acidizing earthen formations

1973-12-17

1976-06-08

Padgett, Benjamin R.

Compositions

Leather or fur treating

166307, 252309, 252 85P, E21B 4322, E21B 4328

Patent

active

039621022

ABSTRACT:
A subterranean formation (e.g. gas, oil or water bearing formation) is acidized with an emulsion comprising an aqueous acidizing solution, an oil and a cationic surfactant which renders oil-containing earthen formations oil-wet, said surfactant being present in said emulsion in an amount which is sufficient to increase the reaction time of the acid acting on the formation.

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patent: 3382179 (1968-05-01), Keeny et al.
patent: 3404094 (1968-10-01), Keeny
patent: 3434545 (1969-03-01), Bombardieri
patent: 3681240 (1972-08-01), Fast

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