Composition and method for reducing the surface tension of aqueo

Details Composition and method for reducing the surface tension of aqueo Composition and method for reducing the surface tension of aqueo

1976-08-23

1977-06-07

Guynn, Herbert B.

Compositions

Leather or fur treating

252 855R, 252355, E21B 4327, E21B 4326

Patent

active

040282570

ABSTRACT:
The functioning of a perfluorinated compound corresponding to the formula ##STR1## A.sup.- is Cl.sup.-, I.sup.-, F.sup.- or Br.sup.-, preferably I.sup.-, to lower the surface tension of various aqueous based liquids (e.g. acids, spend acids, brines, water etc. and corresponding gelled liquids, when such fluids are employed in environments where they come in contact with earthen formations is improved by also incorporating into the liquid a second water wetting surfactant, comprising an adduct of trimethyl-1-heptanol plus seven moles of ethylene oxide.

REFERENCES:
patent: 2759019 (1956-08-01), Brown et al.
patent: 2765851 (1956-10-01), Bond
patent: 2803306 (1957-08-01), Hower
patent: 3122204 (1964-02-01), Oakes
patent: 3254713 (1966-06-01), Scherr et al.
patent: 3711405 (1973-01-01), Pye et al.
patent: 3772195 (1973-11-01), Francen

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