Patents by Inventor Louis VILLAFANE
Louis VILLAFANE has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240018412Abstract: A water-in-oil emulsion that includes an oil phase (O) and an aqueous phase (A) at an O/A ratio of from about 1:8 to about 10:1; wherein the water-in-oil emulsion includes the oil phase as a continuous phase that includes an inert hydrophobic liquid, at least one water-insoluble hydrophobic monomer, and at least one surfactant, and the aqueous phase as a dispersed phase of distinct particles in the oil phase that includes water and a water soluble polymer that includes: (i) at least one acrylamide monomer and (ii) at least one acrylic acid monomer; wherein the water soluble polymer is present in an amount from about 10 to about 35 weight percent of the water-in-oil emulsion.Type: ApplicationFiled: September 22, 2023Publication date: January 18, 2024Applicant: ENERGY SOLUTIONS (US) LLCInventors: Genyao Lin, Louis Villafane, Kailas Sawant, Kevin Frederick, Shih-Ruey Chen
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Patent number: 11795376Abstract: A water-in-oil emulsion that includes an oil phase (O) and an aqueous phase (A) at an O/A ratio of from about 1:8 to about 10:1; wherein the water-in-oil emulsion includes the oil phase as a continuous phase that includes an inert hydrophobic liquid, at least one water-insoluble hydrophobic monomer, and at least one surfactant, and the aqueous phase as a dispersed phase of distinct particles in the oil phase that includes water and a water soluble polymer that includes: (i) at least one acrylamide monomer and (ii) at least one acrylic acid monomer; wherein the water soluble polymer is present in an amount from about 10 to about 35 weight percent of the water-in-oil emulsion.Type: GrantFiled: August 31, 2020Date of Patent: October 24, 2023Assignee: ENERGY SOLUTIONS (US) LLCInventors: Genyao Lin, Louis Villafane, Kailas Sawant, Shih-Ruey Chen, Kevin Frederick
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Publication number: 20230332035Abstract: A water-in-oil emulsion, having an oil phase (0) and an aqueous phase (A) at an O/A ratio of from about 1:8 to about 10:1, may include the oil phase as a continuous phase that includes an inert hydrophobic liquid, and the aqueous phase as a dispersed phase of distinct particles in the oil phase that includes water, a water soluble polymer, and at least one surfactant: wherein the water soluble polymer includes from about 1 to about 60 weight percent of one or more cationic monomers, wherein the amount is by total weight of the water soluble polymer; wherein the water soluble polymer is present in an amount from about 5 to about 40 weight percent of the water-in-oil emulsion; and wherein an aqueous solution prepared by inverting the water- in-oil emulsion by adding it to water has at least comparable viscosity build to an aqueous solution made from a water-in-oil emulsion of the same composition containing 15 weight percent more water soluble polymer.Type: ApplicationFiled: June 21, 2023Publication date: October 19, 2023Applicant: ENERGY SOLUTIONS (US) LLCInventors: Kailas Sawant, Louis Villafane, Kevin Frederick, Shih-Ruey Chen, Randy Loeffler
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Patent number: 11746277Abstract: A water-in-oil emulsion having an oil phase (O) and an aqueous phase (A) at an O/A ratio of from about 1:8 to about 10:1; wherein the water-in-oil emulsion includes the oil phase as a continuous phase that includes an inert hydrophobic liquid, and the aqueous phase as a dispersed phase of distinct particles in the oil phase that includes water, a water soluble polymer, and at least one surfactant; wherein the water soluble polymer includes from about 1 to about 60 weight percent of one or more cationic monomers, wherein the amount is by total weight of the water soluble polymer; wherein the water soluble polymer is present in an amount from about 5 to about 40 weight percent of the water-in-oil emulsion; and wherein an aqueous solution prepared by inverting the water-in-oil emulsion by adding it to water has at least comparable viscosity build to an aqueous solution made from a water-in-oil emulsion of the same composition containing 15 weight percent more water soluble polymer.Type: GrantFiled: September 30, 2021Date of Patent: September 5, 2023Assignee: ENERGY SOLUTIONS (US) LLCInventors: Kailas Sawant, Louis Villafane, Kevin Frederick, Shih-Ruey Chen, Randy Loeffler
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Publication number: 20220017808Abstract: A water-in-oil emulsion having an oil phase (O) and an aqueous phase (A) at an O/A ratio of from about 1:8 to about 10:1; wherein the water-in-oil emulsion includes the oil phase as a continuous phase that includes an inert hydrophobic liquid, and the aqueous phase as a dispersed phase of distinct particles in the oil phase that includes water, a water soluble polymer, and at least one surfactant; wherein the water soluble polymer includes from about 1 to about 60 weight percent of one or more cationic monomers, wherein the amount is by total weight of the water soluble polymer; wherein the water soluble polymer is present in an amount from about 5 to about 40 weight percent of the water-in-oil emulsion; and wherein an aqueous solution prepared by inverting the water-in-oil emulsion by adding it to water has at least comparable viscosity build to an aqueous solution made from a water-in-oil emulsion of the same composition containing 15 weight percent more water soluble polymer.Type: ApplicationFiled: September 30, 2021Publication date: January 20, 2022Applicant: SOLVAY USA INC.Inventors: Kailas Sawant, Louis Villafane, Kevin Frederick, Shih-Ruey Chen, Randy Loeffler
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Patent number: 11186758Abstract: A method of reducing shear recovery time of a viscosifying surfactant fluid system that includes introducing a viscosifying surfactant fluid system into a subterranean formation, wherein the fluid includes a major portion of a surfactant and a hydrophobically-modified associative polymer in a concentration sufficient to shorten the shear recovery time of the fluid system compared to the shear recovery time of the fluid system without the polymer.Type: GrantFiled: May 25, 2017Date of Patent: November 30, 2021Assignee: RHODIA OPERATIONSInventors: Rose Ndong, Genyao Lin, Subramanian Kesavan, Louis Villafane, Jian Zhou
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Patent number: 11162011Abstract: A water-in-oil emulsion having an oil phase (O) and an aqueous phase (A) at an O/A ratio of from about 1:8 to about 10:1; wherein the water-in-oil emulsion includes the oil phase as a continuous phase that includes an inert hydrophobic liquid, and the aqueous phase as a dispersed phase of distinct particles in the oil phase that includes water, a water soluble polymer, and at least one surfactant; wherein the water soluble polymer includes from about 1 to about 60 weight percent of one or more cationic monomers, wherein the amount is by total weight of the water soluble polymer; wherein the water soluble polymer is present in an amount from about 5 to about 40 weight percent of the water-in-oil emulsion; and wherein an aqueous solution prepared by inverting the water-in-oil emulsion by adding it to water has at least comparable viscosity build to an aqueous solution made from a water-in-oil emulsion of the same composition containing 15 weight percent more water soluble polymer.Type: GrantFiled: August 25, 2016Date of Patent: November 2, 2021Assignee: SOLVAY USA INC.Inventors: Kailas Sawant, Louis Villafane, Kevin Frederick, Shih-Ruey Chen, Randy Loeffler
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Publication number: 20200399529Abstract: A water-in-oil emulsion that includes an oil phase (O) and an aqueous phase (A) at an O/A ratio of from about 1:8 to about 10:1; wherein the water-in-oil emulsion includes the oil phase as a continuous phase that includes an inert hydrophobic liquid, at least one water-insoluble hydrophobic monomer, and at least one surfactant, and the aqueous phase as a dispersed phase of distinct particles in the oil phase that includes water and a water soluble polymer that includes: (i) at least one acrylamide monomer and (ii) at least one acrylic acid monomer; wherein the water soluble polymer is present in an amount from about 10 to about 35 weight percent of the water-in-oil emulsion.Type: ApplicationFiled: August 31, 2020Publication date: December 24, 2020Applicant: Solvay USA Inc.Inventors: Genyao LIN, Louis VILLAFANE, Kailas SAWANT, Shih-Ruey CHEN, Kevin FREDERICK
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Patent number: 10844277Abstract: A method of acidizing a formation penetrated by a wellbore that includes the steps of injecting into the wellbore at a pressure below formation fracturing pressure a treatment fluid that includes a gelling fluid including a gelling agent and a hydrophobically-modified associative polymer, and an aqueous acid; and allowing the treatment fluid to acidize the formation.Type: GrantFiled: May 25, 2017Date of Patent: November 24, 2020Assignee: RHODIA OPERATIONSInventors: Rose Ndong, Juliette Triquet, Genyao Lin, Subramanian Kesavan, Louis Villafane, Jian Zhou, Ahmed Rabie
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Publication number: 20180244974Abstract: A water-in-oil emulsion having an oil phase (O) and an aqueous phase (A) at an O/A ratio of from about 1:8 to about 10:1; wherein the water-in-oil emulsion includes the oil phase as a continuous phase that includes an inert hydrophobic liquid, and the aqueous phase as a dispersed phase of distinct particles in the oil phase that includes water, a water soluble polymer, and at least one surfactant; wherein the water soluble polymer includes from about 1 to about 60 weight percent of one or more cationic monomers, wherein the amount is by total weight of the water soluble polymer; wherein the water soluble polymer is present in an amount from about 5 to about 40 weight percent of the water-in-oil emulsion; and wherein an aqueous solution prepared by inverting the water-in-oil emulsion by adding it to water has at least comparable viscosity build to an aqueous solution made from a water-in-oil emulsion of the same composition containing 15 weight percent more water soluble polymer.Type: ApplicationFiled: August 25, 2016Publication date: August 30, 2018Applicant: SOLVAY USA INC.Inventors: Kailas SAWANT, Louis VILLAFANE, Kevin FREDERICK, Shih-Ruey CHEN, Randy LOEFFLER
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Publication number: 20170342313Abstract: A method of reducing shear recovery time of a viscosifying surfactant fluid system that includes introducing a viscosifying surfactant fluid system into a subterranean formation, wherein the fluid includes a major portion of a surfactant and a hydrophobically-modified associative polymer in a concentration sufficient to shorten the shear recovery time of the fluid system compared to the shear recovery time of the fluid system without the polymer.Type: ApplicationFiled: May 25, 2017Publication date: November 30, 2017Applicant: RHODIA OPERATIONSInventors: Rose NDONG, Genyao LIN, Subramanian KESAVAN, Louis VILLAFANE, Jian ZHOU
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Publication number: 20170342314Abstract: A method of acidizing a formation penetrated by a wellbore that includes the steps of injecting into the wellbore at a pressure below formation fracturing pressure a treatment fluid that includes a gelling fluid including a gelling agent and a hydrophobically-modified associative polymer, and an aqueous acid; and allowing the treatment fluid to acidize the formation.Type: ApplicationFiled: May 25, 2017Publication date: November 30, 2017Applicant: RHODIA OPERATIONSInventors: Rose NDONG, Juliette TRIQUET, Genyao LIN, Subramanian KESAVAN, Louis VILLAFANE, Jian ZHOU, Ahmed RABIE
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Publication number: 20160251567Abstract: A water-in-oil emulsion that includes an oil phase (O) and an aqueous phase (A) at an O/A ratio of from about 1:8 to about 10:1; wherein the water-in-oil emulsion includes the oil phase as a continuous phase that includes an inert hydrophobic liquid, at least one water-insoluble hydrophobic monomer, and at least one surfactant, and the aqueous phase as a dispersed phase of distinct particles in the oil phase that includes water and a water soluble polymer that includes: (i) at least one acrylamide monomer and (ii) at least one acrylic acid monomer; wherein the water soluble polymer is present in an amount from about 10 to about 35 weight percent of the water-in-oil emulsion.Type: ApplicationFiled: February 23, 2016Publication date: September 1, 2016Applicant: Solvay USA Inc.Inventors: Genyao LIN, Louis VILLAFANE, Kailas SAWANT, Shih-Ruey CHEN, Kevin FREDERICK