Clariant International Ltd

Clariant S.a

Jonathan James Wylde

Matthias Krull

Dirk Leinweber

Franz-Xaver Scherl

Felix Hoevelmann

Zachary Thomas Ward

Grahame Nigel Taylor

Mike Sahl

Fabian Schneider

Aline Yae Kina

Scot Bodnar

Nihal U Obeyesekere

Thenuka Ariyaratna

Cyril Emeka Okocha

Julie Murison

Stefan Hauck

Lisa Greaney Tejada

Corinna Krüger

Dan Smith

Antonio Pedro De Oliveira Filho

Martin Bauer

Amir H Mahmoudkhani

James Begeal

Ali Yousef

David Glasgow

Antonio Pedro De Oliveira Felho

Craig John Kelly

Nirupam Purkayastha

Amir Mahmoudkhani

Alina Kina

The present disclosure relates to a gas hydrate inhibitor composition comprising from an amphiphile having a hydrophobic tail linked to a hydrophilic head group by a linking moiety, the amphiphile having the general formula (1)[R-L-N(R)(R)(R)]X  (1) from a cationic surfactant which is selected from di(C-Calkyl)dimethyl ammonium salts.

Synergistic blends of anti-agglomerant gas hydrate inhibitors with quaternary alkyl ammonium compounds

Provided herein is a method for inhibiting gas hydrate formation in a system containing hydrocarbons and water. The method includes contacting the system with a gas hydrate inhibitor composition including an amidoamine of a fatty acid, optionally in the form of a cationic ammonium compound, and a nonionic surfactant selected from alkoxylated C-Cfatty alcohols, alkoxylated C-Cfatty amines, alkoxylated C-Cfatty acids and alkoxylated C-Cfatty acid amides.

Method of and a composition for controlling gas hydrate blockage through the addition of a synergistically acting blend with alkoxylates of fatty alcohols, fatty amines and fatty acids

Disclosed is a gas hydrate inhibitor composition comprising an amphiphile by a linking moiety, the amphiphile having of the general formula (1)[R-L-N(R)(R)(R)]X  (1) wherein each of Rand Ris an alkyl group having from 1 to 5 carbon atoms; or wherein the nitrogen atom and the Rand Rgroups together form a heterocyclic group; Ris present or not as hydrogen or an alkyl group having from 1 to 8 carbon atoms L is a linking moiety comprising a hydrocarbyl group having at least 2 adjacent carbon atoms, at least one heteroatom selected from nitrogen and oxygen, Ris a hydrocarbyl group having from 6 to 22 carbon atoms; and X− is present as an anion when Ris present; and a cationic surfactant which is selected from quaternary benzyl ammonium salts and a method of using the gas hydrate inhibitor composition.

Synergistic blends of anti-agglomerant gas hydrate inhibitors with quaternary benzyl ammonium compounds

This invention relates to a method for inhibiting the agglomeration of gas hydrates, comprising the injection of an anti-agglomerant comprising a N,N-dialkyl-ammoniumalkyl fatty acid amide represented by the formula (I) wherein Ris an alkyl or alkenyl group having from 7 to 21 carbon atoms, Rand Rare each independently an alkyl group containing 1 to 10 carbon atoms, or together form an optionally substituted ring having 5 to 10 ring atoms, wherein the ring may carry up to 3 substituents, Ris hydrogen or an alkyl group having 1 to 6 carbon atoms, Ris hydrogen or an optionally substituted hydrocarbyl group having 1 to 17 carbon atoms and A is an alkylene group having two or three carbon atoms, into a fluid comprising gas, water and oil under conditions prone to the formation of gas hydrates, wherein the N,N-dialkyl-ammoniumalkyl fatty acid amide represented by the formula (I) is produced by the condensation reaction of a fatty acid with an N,N-dialkylamino alkyl amine and subsequent neutralization with a carboxylic acid.

Method for inhibiting gas hydrate blockage in oil and gas pipelines

This invention relates to a method for inhibiting the agglomeration of gas hydrates, comprising the injection of an anti-agglomerant comprising a N,N-dialkyl-ammoniumalkyl fatty acid amide represented by the formula (I) wherein

This invention provides a composition comprising

Synergized acetals composition and method for scavenging sulfides and mercaptans

The present disclosure relates to a gas hydrate inhibitor composition, comprising 

Method of and a composition for controlling gas hydrate blockage through the addition of a synergistically acting blend with a quaternary benzyl ammonium compound

Synergized hemiacetals composition and method for scavenging sulfides and mercaptans

The invention relates a use of an aqueous composition comprising at least one organic peroxide to dissolve amorphous dithiazine.

Amorphous dithiazine dissolution formulation and method for using the same

The instant invention concerns a gas hydrate inhibitor comprising an N alkyl N' (N&#x2033;,N&#x2033;-dialkylammoniumalkyl)dicarboxylic acid diamide salt represented by the formula (I) wherein

Unsymmetrically substituted dicarboxylic acid diamido ammonium salts and their use for gas hydrate anti-agglomeration

This invention relates to a composition comprising 1.) a metal carboxylate, wherein the metal M is selected from the group consisting of Ag, Cn, Hg, Pb, Sn, Ni, Co, Ca, Fe, Zn and Mn, those metals being present as ions in a +2 or +3 charge state, and wherein the carboxylate anion is derived from a hydrocarbyl monocarboxylic acid having 5 to 20 carbon atoms, or a mixture of such acids, 2.) a solvent selected from the group consisting of water, glycol ethers having from 4 to 15 carbon atoms, alkyl alcohols having from 1 to 10 carbons, and aromatic hydrocarbon solvents having from 6 to 30 carbons, and 3.) an emulsion breaker which is a polymeric nonionic surfactant.

Composition and method for scavenging sulfides and mercaptans

This invention relates to a composition, comprising a) at least one quaternary ammonium compound of the formula (I) wherein R is a Cto Caliphatic hydrocarbon group, X is an anionic counter ion, and R, Rare selected from the group consisting of hydrogen, methyl, ethyl, allyl, propyl, butyl, phenyl or benzyl residues, b) ammonium bisulfite or sodium bisulfite, c) glutaraldehyde or THPS, and d) at least one organic dye. 

Hydrotesting and mothballing composition and method of using combination products for multifunctional water treatment

The present invention provides a composition useful as a sulfide scale inhibitor for application in oilfield operations, comprising  

Composition and method for inhibition of sulfide scales

A composition useful as corrosion inhibitor formulation for application in heavy brine systems, comprising at least one imidazoline; at least one sulfur synergist; at least one phosphate ester. In a preferred embodiment, the composition comprises additionally formulation bonding surfactant; and/or at least one solvent system.

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The Woodlands, TX, United States of America

Jonathan James Wylde