Inorganic acid solution viscosifier and corrosion inhibitor and

Details Inorganic acid solution viscosifier and corrosion inhibitor and Inorganic acid solution viscosifier and corrosion inhibitor and

1988-02-16

1991-04-23

Stoll, Robert L.

Compositions

Leather or fur treating

252 8551, E21B 4327

Patent

active

050097997

ABSTRACT:
A viscosifier for aqueous inorganic acid solutions, viscosified acid fluids, and a method of treating hydro-carbon-producing rock formations with viscosified acid solution are provided. The viscosified acid solutions contain an inorganic acid, water, and an effective amount of a viscosifier comprised of ethoxylated fatty amines and the betaine inner salt of ethoxylated fatty amines, and preferably also an alcohol having an alkyne radical and an alkyl pyridine quaternary ammonium salt.

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patent: 4591447 (1986-05-01), Kubala
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