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, E21B 4326

Patent

active

039621014

ABSTRACT:
A formation is acidized with a composition comprising a formation acidizing acid and a cationic surfactant which renders oil-containing earthen formations oil-wet, said surfactant being present in said composition in an amount which is sufficient to increase the reaction time of the acid acting on the formation.

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patent: 2908643 (1959-10-01), Thompson et al.
patent: 3113113 (1963-12-01), Marsh et al.
patent: 3205169 (1965-09-01), Kirkpatrick et al.
patent: 3319714 (1967-05-01), Knox
patent: 3382179 (1968-05-01), Keeny et al.
patent: 3404094 (1968-10-01), Keeny
patent: 3434545 (1969-03-01), Bombardieri

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