Foaming acid-containing fluids

Details Foaming acid-containing fluids Foaming acid-containing fluids

1986-02-28

1988-04-12

Guynn, Herbert B.

Compositions

Leather or fur treating

166307, 252 8552, 252 87, E21B 4327, E21B 3700

Patent

active

047372966

ABSTRACT:
Foamed treating fluids contain an acid component, a gas, optionally an organic solvent and emulsifying agent, and, as a foaming agent, a mixture of a quaternary ammonium halide cationic surface active agent and either an alkylamido alkylamine oxide surface active agent or a betaine amphoteric surface active agent. Such treating fluids can be used to dissolve acid-soluble components from various surfaces, such as a subterranean reservoir penetrated by a well, the well itself, or an industrial vessel or conduit containing a scale.

REFERENCES:
patent: 3794523 (1974-02-01), Thompson
patent: 3849348 (1974-11-01), Hewitt
patent: 3937283 (1976-02-01), Blauer et al.
patent: 4044833 (1977-08-01), Volz
patent: 4113631 (1978-09-01), Thompson
patent: 4174304 (1979-11-01), Flanagan
patent: 4201678 (1980-05-01), Pye et al.
patent: 4322306 (1982-03-01), Dill

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