Corrosion inhibited well acidizing compositions and methods

Details Corrosion inhibited well acidizing compositions and methods Corrosion inhibited well acidizing compositions and methods

1996-05-30

1998-06-09

Gibson, Sharon

Earth boring, well treating, and oil field chemistry

Well treating

Contains organic component

507265, 507934, 507939, C09K 700

Patent

active

057633681

ABSTRACT:
The present invention provides corrosion inhibited well acidizing compositions and methods of using the compositions to acidize wells. The compositions basically comprise an aqueous acid solution, a corrosion inhibitor comprising at least one quaternary ammonium compound and a corrosion inhibitor intensifier comprised of aliphatic carboxylic acids, crude tall oil, tall oil fatty acids, rosin acids and mixtures thereof.

REFERENCES:
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patent: 3076761 (1963-02-01), Markham
patent: 3378488 (1968-04-01), Nimerick
patent: 3668137 (1972-06-01), Gardner
patent: 5096618 (1992-03-01), Frenler
patent: 5209859 (1993-05-01), Williams et al.
patent: 5441929 (1996-08-01), Walker
patent: 5543388 (1996-08-01), Williams et al.

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