Huntsman Petrochemical Corporation

Indorama Ventures Oxides LLC

David C Lewis

Hui Zhou

Howard P Klein

John H Clements

Luis C Salazar

Terry L Renken

Donald H Champion

John Dixon Gray

George A Smith

Marek K Pakulski

Prakasa R Anantaneni

Leah Patterson

Robert Carl Steves

James R Machac, Jr

Robert A Grigsby, Jr

Christopher J Whewell

Srinivasa S Godavarthy

Ronald G Lewis

Marty J Renner

Andrew Francis Kirby

Samir S Ashrawi

Howard M Stridde

Curtis M Elsik

Robert Allison Grigsby

Katty Darragas

Guy Biesmans

Chai Zheng

James Machac

Ke Zhang

Juventino Uriarte

Pierre Solastiouk

Feixia Chen

Alan P Croft

Jay Riethmeyer

Farron W Miller

Srinivasa Godavarthy

James R Machac

John Clements

The present disclosure provides water-based well treatment fluids methods of using such fluids in treating subterranean formations to prevent swelling and/or migration of fines. The water-based well treatment fluid contains an aqueous continuous phase and a clay stabilizing agent comprising less than 20% by weight, based on the total weight of the clay stabilizing agent, of an unhindered primary amine and a second amine selected from an alkanolamine, a polyalkylene polyamine, a compound having a formula R—(CH)—NHwhere Ris a piperazino group or a morpholino group and d is an integer from 0 to 10, a compound having the formula where h is an integer from about 2 to about 7 and a mixture thereof.

Synergistic performance of amine blends in shale control

The present disclosure provides a quaternary ammonium hydroxide solution comprising a reaction product of a polyamine and an organic oxirane. The quaternary ammonium hydroxide solution may be used in various applications, such as in removing chemical residue from a metal or dielectric surface.

Quaternary ammonium hydroxides of polyamines

Implementations described herein generally relate to etheramine mixtures formed from a mixture of two or more multifunctional alcohol initiators, processes for the etheramine mixtures production, and its use as a curing agent or as a raw material in the synthesis of polymers. In one implementation, the process comprises mixing a polyol initiator having a melting point greater than a processing temperature and a polyol initiator having a melting point less than the processing temperature to form a polyol initiator mixture having a melting point less than the processing temperature, charging the polyol initiator mixture to an alkoxylation reaction zone, contacting the polyol initiator mixture with an alkylene oxide in the alkoxylation reaction zone to provide a mixture of alkoxylated precursor polyols and charging the mixture of alkoxylated precursor polyols to a reductive amination zone and reductively aminating the mixture of alkoxylated precursor polyols to form the etheramine mixture.

Etheramines prepared from a mixture of two or more multifunctional alcohol initiators, and their use as curatives or intermediates for polymer synthesis

A modified drilling fluid comprising a drilling fluid and the reaction product(s) of a polyalkylene polyamine, fatty acid, and alkylene carbonate, and methods of making and using the same.

Method of producing hydroxyalkylcarbamate-functional polyamides and uses thereof

The present disclosure provides a surfactant formulation for use in treating and recovering fossil fluid from a subterranean formation. The surfactant formulation includes a nonionic surfactant, organic acid selected from citric acid, diglycolic acid, glycolic acid and a salt thereof and injection water. The surfactant formulation may be injected into one or more injection wells located within the subterranean formation and fossil fluids can then be subsequently recovered from one or more producing wells.

Use of organic acids or a salt thereof in surfactant-based enhanced oil recovery formulations and techniques

The present disclosure provides a curable composition that includes an epoxy resin and a curing component comprising a blend of at least two amines. The curable composition may be combined with reinforced fibers and cured to form a composite article which can be used in various applications, such as in wind turbine blades.

Blend for curing epoxy resin composistions

The present disclosure generally relates to hydroxyalkylurethanes obtained from the reaction of amines and alkylene carbonates and their use in gas hydrate inhibitor compositions to effectively inhibit gas hydrate formation in a crude hydrocarbon stream.

Hydroxyalkylurethane kinetic hydrate inhibitors

The present disclosure provides a process for the co-preparation of a polyetheramine and an alkylene amine mixture by aminating a liquid polyol initiator mixture comprising an alkoxylated alcohol and a solid high melting polyol. The polyetheramine and alkylene amine mixture may be used in a variety of applications, such as a curing agent for epoxy resin formulations or as a raw material in the synthesis of polyurea.

Co-preparation of polyetheramines and alklyene amines

A hydraulic fracturing fluid comprising a water-in-oil emulsion comprising (i) an aqueous solution, (ii) an oil, (iii) a first surfactant, and, optionally, (iv) at least one secondary surfactant selected from an emulsifying surfactant and/or a phosphate ester of ethoxylated alcohol or alkylphenol, and methods of making and using the same.

Water-in-oil hydraulic fracturing fluid and method of using such

The present disclosure provides a poly(vinyl caprolactam) polymer obtained by polymerizing a vinyl lactam compound in a polymerization solvent system comprising an alkylene carbonate and/or an alkyl lactate and a polymerization initiator. The poly(vinyl caprolactam) polymer, in admixture with the polymerization solvent system, may be used as a kinetic gas hydrate inhibitor to prevent or inhibit formation of natural gas and/or liquid hydrocarbon hydrates in a system.

Poly (vinyl carprolactam) kinetic gas hydrate inhibitor and method for preparing the same

Methods of enhanced oil recovery are disclosed that use compositions including an alkyl polyether anionic surfactant having the general structure RJA, wherein Ris a C-Cprimary or secondary radical group, J is a random, block, alternating, or alternating block polyether segment having the structure [(PO)(EO)(BO)], wherein x is 4 to 18, y is 0 to 20, and z is 0 to 5, and A is an anionic group; a co-surfactant having the general structure (R)(B)Ph-L-Ph(D)(R), wherein Rand Rare each, independently in each instance, a C-Clinear or branched, primary or secondary alkyl group, B and D are anionic groups, q is 1 to 3, r is 1 to 3, and L is O or CH; and an alkoxy alcohol.

Ultra-high salinity surfactant formulation

Etheramines and their use as curatives or intermediates for polymer synthesis

The present disclosure provides a surfactant formulation for use in treating and recovering fossil fluid from a subterranean formation. The surfactant formulation includes a primary surfactant, a formulation stability agent and injection water. The surfactant formulation may be injected into one or more injection wells located within the subterranean formation and fossil fluids can then be subsequently recovered from one or more producing wells.

Surfactant formulation for release of underground fossil fluids

Implementations described herein relate to an etheramine mixture containing a cyclobutane based amine and its method of production by alkoxylating an initiator with an alkylene oxide to produce a precursor polyol and reductively aminating the precursor polyol to form the ehteramine mixture. The etheramine mixture may be used in a variety of applications including as a curing agent for an epoxy resin or as a reactant in the production of polyurea materials.

Etheramines with enhanced thermal stability and their use as curatives or intermediates for polymer synthesis

Acylalkylisethionate esters are produced by reacting one or more carboxylic acids with one or more alkyl-substituted hydroxyalkyl sulfonates under esterification reaction conditions. The alkyl-substituted hydroxyalkyl sulfonates used as a raw material in producing the esters are prepared by reacting bisulfate with one or more alkylene oxides. The acylalkylisethionate esters may be used in consumer products.

Growing community of inventors

Conroe, TX, United States of America

David C Lewis