Nalco Company

Ecolab USA Inc.

Peter G Conrad

Joseph R Carlise

Olga E S Lindeman

Erick Jose Acosta

Peter A Webber

Brian Bennett

Austen K Flatt

Kevin P McNamee

Peter E Reed

Victor V Keasler

Leonard M Ver Vers

Brian M Bennett

A method of inhibiting hydrates in a fluid comprising water and gas comprising adding to the fluid an effective hydrate-inhibiting amount of a composition comprising one or more homo- or co-polymers of N-alkyl(alkyl)acrylamide synthesized by polymerizing one or more N-alkyl(alkyl)acrylamide monomers in a solvent comprising a glycol ether of formula CH&#x2014;(CH)&#x2014;(O&#x2014;CH&#x2014;CH)&#x2014;OH where m is an integer of 0-1, and n is an integer &#x2265;1.

Method of controlling gas hydrates in fluid systems

Disclosed herein are corrosion inhibiting compounds and compositions useful in applications relating to the production, transportation, storage, and separation of crude oil and natural gas. Also disclosed herein are methods of using the compounds and compositions as corrosion inhibitors, particularly in applications relating to the production, transportation, storage, and separation of crude oil and natural gas.

Quaternary and cationic ammonium surfactants as corrosion inhibitors

A method of inhibiting hydrates in a fluid comprising water and gas comprising adding to the fluid an effective hydrate-inhibiting amount of a composition comprising one or more copolymers of N-alkyl (alkyl)acrylamide monomers and one or more cationic monomers selected from acid and alkyl chloride quaternary salts of N,N-dialkylaminoalkyl (meth)acrylates and N,N-dialkylaminoalkyl (meth)acrylamides.

Disclosed and claimed is a composition and method of inhibiting the formation of hydrate agglomerates in a fluid comprising water, gas, and optionally liquid hydrocarbon. The composition comprises the following formula and the method comprises adding to the fluid an effective anti-agglomerant amount of any of the following formula and optionally salts thereof. R, R, and Rare each independently CHor benzyl. Ris C-Calkyl or alkenyl. n is an integer from 0 to 10. Xis a counterion.

Composition and method for reducing hydrate agglomeration

A method of inhibiting hydrates in a fluid comprising water and gas comprising adding to the fluid an effective hydrate-inhibiting amount of a composition comprising one or more copolymers of N-alkyl(alkyl)acrylamide monomers and one or more cationic monomers selected from acid and alkyl chloride quaternary salts of N,N-dialkylaminoalkyl(meth)acrylates and N,N-dialkylaminoalkyl(meth)acrylamides.

Growing community of inventors

Sugar Land, TX, United States of America

Peter G Conrad