Patents by Inventor Loic Regnault de la Mothe
Loic Regnault de la Mothe 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: 20230383170Abstract: Compositions may include those of the formula: (I) wherein R1 is an alkyl chain having a carbon number in the range of greater than 40 to 200, R2 is a multiester, R3 is hydrogen, an ion, or an alkyl chain having a carbon number in the range of 1 to 200, m is an integer selected from 0 to 4, and n is an integer selected from the range of 0 to 4, wherein the sum of m and n is 1 or greater. Compositions may include a reaction product of a polyisobutylene-substituted succinic anhydride and a hydroxy-functional dendrimer, wherein the molar ratio of polyisobutylene-substituted succinic anhydride to hydroxy-functional dendrimer is within the range of 10:1 to 30:1.Type: ApplicationFiled: August 14, 2023Publication date: November 30, 2023Inventors: Rachael Anne COLE, Pradyumna Avinash DESHPANDE, Chandrashekhar Yeshwant KHANDEKAR, Tore NORDVIK, Loic REGNAULT DE LA MOTHE, Elodie SHAW, Laure CANAL, Marine DUGAND, José SANTIAGO
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Patent number: 11725132Abstract: Compositions may include those of the formula: (I) wherein R1 is an alkyl chain having a carbon number in the range of greater than 40 to 200, R2 is a multiester, R3 is hydrogen, an ion, or an alkyl chain having a carbon number in the range of 1 to 200, m is an integer selected from 0 to 4, and n is an integer selected from the range of 0 to 4, wherein the sum of m and n is 1 or greater. Compositions may include a reaction product of a polyisobutylene-substituted succinic anhydride and a hydroxy-functional dendrimer, wherein the molar ratio of polyisobutylene-substituted succinic anhydride to hydroxy-functional dendrimer is within the range of 10:1 to 30:1.Type: GrantFiled: October 14, 2021Date of Patent: August 15, 2023Assignee: STEPAN COMPANYInventors: Rachael Anne Cole, Pradyumna Avinash Deshpande, Chandrashekhar Yeshwant Khandekar, Tore Nordvik, Loic Regnault De La Mothe, Elodie Shaw, Laure Canal, Marine Dugand, José Santiago
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Publication number: 20220033545Abstract: Compositions may include those of the formula: (I) wherein R1 is an alkyl chain having a carbon number in the range of greater than 40 to 200, R2 is a multiester, R3 is hydrogen, an ion, or an alkyl chain having a carbon number in the range of 1 to 200, m is an integer selected from 0 to 4, and n is an integer selected from the range of 0 to 4, wherein the sum of m and n is 1 or greater. Compositions may include a reaction product of a polyisobutylene-substituted succinic anhydride and a hydroxy-functional dendrimer, wherein the molar ratio of polyisobutylene-substituted succinic anhydride to hydroxy-functional dendrimer is within the range of 10:1 to 30:1.Type: ApplicationFiled: October 14, 2021Publication date: February 3, 2022Inventors: Rachael Anne COLE, Pradyumna Avinash DESHPANDE, Chandrashekhar Yeshwant KHANDEKAR, Tore NORDVIK, Loic REGNAULT DE LA MOTHE, Elodie SHAW, Laure CANAL, Marine DUGAND, José SANTIAGO
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Patent number: 11180588Abstract: Compositions may include those of the formula: (I) wherein R1 is an alkyl chain having a carbon number in the range of greater than 40 to 200, R2 is a multiester, R3 is hydrogen, an ion, or an alkyl chain having a carbon number in the range of 1 to 200, m is an integer selected from 0 to 4, and n is an integer selected from the range of 0 to 4, wherein the sum of m and n is 1 or greater. Compositions may include a reaction product of a polyisobutylene-substituted succinic anhydride and a hydroxy-functional dendrimer, wherein the molar ratio of polyisobutylene-substituted succinic anhydride to hydroxy-functional dendrimer is within the range of 10:1 to 30:1.Type: GrantFiled: December 30, 2016Date of Patent: November 23, 2021Assignee: Stepan CompanyInventors: Rachael Anne Cole, Pradyumna Avinash Deshpande, Chandrashekhar Yeshwant Khandekar, Tore Nordvik, Loic Regnault De La Mothe, Elodie Shaw, Laure Canal, Marine Dugand, José Santiago
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Patent number: 11091686Abstract: Well treatment compositions comprise water, a lipophilic anionic surfactant, a hydrophilic non-ionic surfactant, a second non-ionic surfactant, a water-solubilizing solvent, a water-immiscible solvent and a lipophilic non-ionic surfactant. Optionally, a second solvent may be incorporated. When added to spacer fluids, chemical washes or both, the compositions promote the removal of non-aqueous drilling fluids from casing surfaces. Additionally, the treated casing surfaces are water wet, thereby promoting optimal bonding to cement.Type: GrantFiled: January 7, 2016Date of Patent: August 17, 2021Assignee: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Quentin Barral, Nicolas Droger, Slaheddine Kefi, Loic Regnault De La Mothe
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Publication number: 20200181513Abstract: A method of treating petroleum fluids includes adding a wax inhibitor composition to the petroleum fluids, the wax inhibitor composition, including a wax inhibitor; a non-ionic surfactant or a cationic surfactant; and a co-solvent blend. A method of treating a petroleum fluid, includes adding a wax inhibitor composition to the petroleum fluid, the wax inhibitor composition including a wax inhibitor; an anionic surfactant selected from at least one of an isopropylamine dodecylsulfonic acid salt or an isopropylamine linear dodecylbenzene sulfonate; and a co-solvent blend.Type: ApplicationFiled: June 27, 2018Publication date: June 11, 2020Inventors: Chandrashekhar Yeshwant Khandekar, Pradyumna Avinash Deshpande, Graham Robert Drummond, Loic Regnault de la Mothe, Lingling Li, James Frederic Gadberry, Tiara O'neal
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Patent number: 10655052Abstract: Methods may include emplacing into a hydrocarbon production stream a composition containing an asphaltene inhibitor, wherein the asphaltene inhibitor includes the formula: wherein R1 is an alkyl chain having a carbon number in the range of greater than 40 to 200, R2 is a multiester group, R3 is hydrogen, an ion, or an alkyl chain having a carbon number in the range of 1 to 200, m is an integer selected from 0 to 4, and n is an integer selected from the range of 0 to 4, wherein the sum of m and n is 1 or greater.Type: GrantFiled: December 30, 2016Date of Patent: May 19, 2020Assignees: M-I L.L.C., SCHLUMBERGER NORGE ASInventors: Rachael Anne Cole, Pradyumna Avinash Deshpande, Chandrashekhar Yeshwant Khandekar, Tore Nordvik, Loic Regnault De La Mothe, Elodie Shaw, Laure Canal, Marine Dugand, José Santiago
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Publication number: 20190345278Abstract: Compositions may include those of the formula: (I) wherein R1 is an alkyl chain having a carbon number in the range of greater than 40 to 200, R2 is a multiester, R3 is hydrogen, an ion, or an alkyl chain having a carbon number in the range of 1 to 200, m is an integer selected from 0 to 4, and n is an integer selected from the range of 0 to 4, wherein the sum of m and n is 1 or greater. Compositions may include a reaction product of a polyisobutylene-substituted succinic anhydride and a hydroxy-functional dendrimer, wherein the molar ratio of polyisobutylene-substituted succinic anhydride to hydroxy-functional dendrimer is within the range of 10:1 to 30:1.Type: ApplicationFiled: December 30, 2016Publication date: November 14, 2019Applicant: Stepan CompanyInventors: Rachael Anne Cole, Pradyumna Avinash Deshpande, Chandrashekhar Yeshwant Khandekar, Tore Nordvik, Loic Regnault De La Mothe, Elodie Shaw, Laure Canal, Marine Dugand, José Santiago
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Patent number: 10472554Abstract: A cement for use in wells in which hydrogen sulfide is present, comprises polymer particles. In the event of cement-matrix failure, or bonding failure between the cement/casing interface or the cement/borehole-wall interface, the polymer particles swell when contacted by hydrogen sulfide. The swelling seals voids in the cement matrix, or along the bonding interfaces, thereby restoring zonal isolation.Type: GrantFiled: May 22, 2014Date of Patent: November 12, 2019Assignee: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Helene Bulte-Loyer, Loic Regnault de la Mothe
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Publication number: 20180187064Abstract: Methods may include emplacing into a hydrocarbon production stream a composition containing an asphaltene inhibitor, wherein the asphaltene inhibitor includes the formula: wherein R1 is an alkyl chain having a carbon number in the range of greater than 40 to 200, R2 is a multiester group, R3 is hydrogen, an ion, or an alkyl chain having a carbon number in the range of 1 to 200, m is an integer selected from 0 to 4, and n is an integer selected from the range of 0 to 4, wherein the sum of m and n is 1 or greater.Type: ApplicationFiled: December 30, 2016Publication date: July 5, 2018Applicants: M-I L.L.C., SCHLUMBERGER NORGE ASInventors: Rachael Anne Cole, Pradyumna Avinash Deshpande, Chandrashekhar Yeshwant Khandekar, Tore Nordvik, Loic Regnault De La Mothe, Elodie Shaw, Laure Canal, Marine Dugand, José Santiago
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Publication number: 20180010032Abstract: Well treatment compositions comprise water, a lipophilic anionic surfactant, a hydrophilic non-ionic surfactant, a second non-ionic surfactant, a water-solubilizing solvent, a water-immiscible solvent and a lipophilic non-ionic surfactant. Optionally, a second solvent may be incorporated. When added to spacer fluids, chemical washes or both, the compositions promote the removal of non-aqueous drilling fluids from casing surfaces. Additionally, the treated casing surfaces are water wet, thereby promoting optimal bonding to cement.Type: ApplicationFiled: January 7, 2016Publication date: January 11, 2018Inventors: Quentin BARRAL, Nicolas DROGER, Slaheddine KEFI, Loic REGNAULT DE LA MOTHE
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Publication number: 20170174977Abstract: A cement for use in wells in which hydrogen sulfide is present, comprises polymer particles. In the event of cement-matrix failure, or bonding failure between the cement/casing interface or the cement/borehole-wall interface, the polymer particles swell when contacted by hydrogen sulfide. The swelling seals voids in the cement matrix, or along the bonding interfaces, thereby restoring zonal isolation.Type: ApplicationFiled: March 26, 2015Publication date: June 22, 2017Inventors: Helene Bulte-Loyer, Loic Regnault de la Mothe
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Patent number: 9416615Abstract: A system for improving zonal isolation incorporates a tubular having an outer surface and a swellable coating that coats the outer surface. The swellable coating has an external surface, a composition provided in an annular space outside the tubular, or both. The swellable coating is made of a first swellable material that can swell when contacted by a first fluid on the external surface. The composition is made of a second swellable material that can swell when contacted with second fluid. The first swellable material, the second swellable material, or both, include an elastomer that is compounded with an aqueous inverse emulsion of particles of a polymer comprising a betaine group. The elastomer is able to swell when contacted by hydrocarbons and saline aqueous fluids.Type: GrantFiled: April 11, 2011Date of Patent: August 16, 2016Assignee: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Loic Regnault de la Mothe, Sylvaine Le Roy-Delage
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Patent number: 9382159Abstract: Compositions for well cementing comprise a pumpable slurry of cement, water and at least one additive that swells in contact with an underground fluid (hydrocarbon, water or brines or mixtures thereof). In case of failure of the cement matrix after setting, the additive swells when contacted by the underground fluid and restores zonal isolation. The swelling additive is an elastomer compounded with an aqueous inverse emulsion of particles of a polymer comprising a betaine group.Type: GrantFiled: April 11, 2011Date of Patent: July 5, 2016Assignee: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Ines Khalfallah, Matteo Loizzo, Katia Dennis, Loic Regnault de la Mothe, Sylvaine Le Roy-Delage
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Publication number: 20160115365Abstract: A cement for use in wells in which hydrogen sulfide is present, comprises polymer particles. In the event of cement-matrix failure, or bonding failure between the cement/casing interface or the cement/borehole-wall interface, the polymer particles swell when contacted by hydrogen sulfide. The swelling seals voids in the cement matrix, or along the bonding interfaces, thereby restoring zonal isolation.Type: ApplicationFiled: May 22, 2014Publication date: April 28, 2016Inventors: Helene BULTE-LOYER, Loic REGNAULT DE LA MOTHE
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Publication number: 20160068739Abstract: This invention relates to methods for servicing subterranean wells, in particular, fluid compositions and methods for remedial operations during which the fluid compositions are pumped into a wellbore and make contact with well cements placed during primary cementing or previous remedial cementing operations.Type: ApplicationFiled: November 16, 2015Publication date: March 10, 2016Inventors: Clara Carelli, Loic Regnault de la Mothe, Sylvaine Le Roy-Delage
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Patent number: 9187685Abstract: This invention relates to methods for servicing subterranean wells, in particular, fluid compositions and methods for remedial operations during which the fluid compositions are pumped into a wellbore and make contact with well cements placed during primary cementing or previous remedial cementing operations.Type: GrantFiled: July 1, 2014Date of Patent: November 17, 2015Assignee: Schlumberger Technology CorporationInventors: Clara Carelli, Loic Regnault de la Mothe, Sylvaine Le Roy-Delage
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Publication number: 20140311742Abstract: This invention relates to methods for servicing subterranean wells, in particular, fluid compositions and methods for remedial operations during which the fluid compositions are pumped into a wellbore and make contact with well cements placed during primary cementing or previous remedial cementing operations.Type: ApplicationFiled: July 1, 2014Publication date: October 23, 2014Inventors: Clara Carelli, Loic Regnault de la Mothe, Sylvaine Le Roy-Delage
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Patent number: 8689894Abstract: The invention provides a system comprising: a tubular containing a first surface comprising a coating made of a first swellable material coating said first surface, wherein said coating has a second surface and said first swellable material is able to swell in contact with a first fluid on said second surface; and a composition made of a settable material and a second swellable material able to swell in contact with a second fluid. The invention also discloses the method associated with the use of such a system.Type: GrantFiled: March 21, 2008Date of Patent: April 8, 2014Assignee: Schlumberger Technology CorporationInventors: Loïc Regnault de la Mothe, Sylvaine Le Roy-Delage
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Publication number: 20130075096Abstract: The disclosure relates to a composition for well cementing in a subterranean formation comprising a pumpable slurry of cement, water and at least one additive that swells in contact with underground fluid (hydrocarbon, water or brines and mixtures thereof) in case of failure of the cement matrix and to a method of cementing a well using said composition. The swelling additive is an elastomer compounded with an aqueous inverse emulsion of particles of a polymer comprising a betaine group.Type: ApplicationFiled: April 11, 2011Publication date: March 28, 2013Inventors: Ines Khalfallah, Matteo Loizzo, Katia Dennis, Loic Regnault de la Mothe, Sylvaine Le Roy-Delage