Exxon Chemical Patents, Inc.

Brent I Bourland

Daniel S Sullivan, Iii

John A Haslegrave

Niall Carruthers

Paul J Clewlow

Dennis A Williams

James R Looney

Terence M O'Brien

Amines which are compounds of the formula I: ##STR1## where R is a C.sub.6-20 hydrocarbon;

Amine adducts as corrosion inhibitors

A method of acidizing a subterranean formation with an acqueous acid solution wherein the acid solution contains corrosion inhibiting amounts of an amine derivative prepared by reacting an unsaturated carboxylic acid with (a) fatty amine or polyamine, or (b) a fatty amido amine or polyamine, or (c) a fatty imidazoline amine or polyamine. The derivative is characterized by the absence of primary amino groups, and preferably contains only tertiary amino groups.

Amine derivatives as corrosion inhibitors

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Kingwood, TX, United States of America

Brent I Bourland