Patents by Inventor Troy E. Knight
Troy E. Knight 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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Patent number: 12043795Abstract: Embodiments of the present disclosure are directed towards methods of enhanced oil recovery from a subterranean reservoir, the method includes co-injecting a gas and a foam formulation into the subterranean reservoir, wherein the gas comprises steam and the foam formulation comprises a sulfonate composition, a glycol compound, and water.Type: GrantFiled: October 8, 2020Date of Patent: July 23, 2024Assignee: Dow Global Technologies LLCInventors: Biplab Mukherjee, Roxanne M. Jenkins, Matthew E. Crosley, Troy E. Knight
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Publication number: 20240093085Abstract: Embodiments of the present disclosure are directed towards methods of enhanced oil recovery from a subterranean reservoir, the method includes co-injecting a gas and a foam formulation into the subterranean reservoir, wherein the gas comprises steam and the foam formulation comprises a sulfonate composition, a glycol compound, and water.Type: ApplicationFiled: October 8, 2020Publication date: March 21, 2024Applicant: Dow Global Technologies LLCInventors: Biplab Mukherjee, Roxanne M. Jenkins, Matthew E. Crosley, Troy E. Knight
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Publication number: 20240084198Abstract: A surfactant composition including a C10 AOS and/or C12 AOS, and an effective amount of at least one solubilizing component so as to increase brine tolerance of the composition is disclosed. The solubilizing component comprises a mixture of where X is H, an alkali metal, alkaline earth metal or ammonium, and R is a linear C6-C16 alkyl group. A method of recovering hydrocarbons from a reservoir during gas injection into said reservoir is also disclosed which involves at least periodically injecting the gas and a foam-forming surfactant composition into the reservoir so as to assist in the recovery of hydrocarbons from the reservoir.Type: ApplicationFiled: August 31, 2022Publication date: March 14, 2024Inventors: Yifan Wang, Amit Katiyar, Troy E. Knight, Matthew E. Crosley, Phillip D. Kardenetz
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Publication number: 20230159844Abstract: The present disclosure provides a drag reducing agent. In an embodiment, the drag reducing agent includes a polymer and a liquid carrier. The polymer is composed of one or more C6-C14 ?-olefin monomers. The polymer includes a residual amount of zirconium. The polymer has an absolute weight average molecular weight (Mw(Abs)) greater than 1,300,000 g/mol and a (Mw(Abs)/Mn(Abs) from 1.3 to 3.0.Type: ApplicationFiled: March 26, 2021Publication date: May 25, 2023Inventors: David Koenigs, Sean W. Ewart, Troy E. Knight, Pritish M. Kamat, Lixin Sun, Roger L. Kuhlman
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Publication number: 20230125141Abstract: The present disclosure provides a process. In an embodiment, the process includes providing a purge stream containing octene monomer. The process includes contacting, under polymerization conditions, the purge stream with a bis-biphenylphenoxy catalyst, and forming an octene polymer having an absolute weight average molecular weight (Mw(Abs)) greater than 1,300,000 g/mol and a Mw(Abs)/Mn(Abs) from 1.3 to 3.0.Type: ApplicationFiled: March 26, 2021Publication date: April 27, 2023Inventors: David Koenigs, Sean W. Ewart, Troy E. Knight
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Publication number: 20230127996Abstract: The present disclosure provides a process. In an embodiment, the process includes contacting, under polymerization conditions, one or more C6-C14 ?-olefin monomers with a bis-biphenylphenoxy catalyst. The process includes forming a polymer composed of one or more C6-C14 ?-olefin monomers, and having an absolute weight average molecular weight (Mw(abs)) greater than 1,300,000 g/mol and a Mw(abs)/Mn(abs) from 1.3 to 3.0.Type: ApplicationFiled: March 26, 2021Publication date: April 27, 2023Inventors: David Koenigs, Sean W. Ewart, Troy E. Knight, Pritish M. Kamat, Lixin Sun, Roger L. Kuhlman
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Patent number: 11584881Abstract: Disclosed is a temperature stabilized aqueous wettability composition and method of use for the recovery of petroleum from subterranean formulations. Said aqueous wettability composition comprises a polyethylene oxide nonionic surfactant, a disulfonated anionic surfactant, and one or more alcohol.Type: GrantFiled: May 3, 2018Date of Patent: February 21, 2023Assignee: DOW GLOBAL TECHNOLOGIES LLCInventors: Troy E. Knight, Susan K. Falcone-Potts, Martha Hernandez, Amit Katiyar, Pramod D. Patil
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Publication number: 20220251438Abstract: Embodiments relate to a method of enhanced oil recovery that includes injecting a composition including an hyperbranched polyglycerol into an injection well in a subterranean oil-bearing reservoir, the hyperbranched polyglycerol being a primary alcohol that is a reaction product of a C2 to C25 carbon alcohol and a plurality of glycidols; and displacing oil in the subterranean oil-bearing reservoir using the composition.Type: ApplicationFiled: August 15, 2019Publication date: August 11, 2022Applicant: Dow Global Technologies LLCInventors: Pramod Dhanaji Patil, Mechelle Churchfield, Peng Gao, Troy E. Knight, Wanglin Yu, Amit Katiyar, Neeraj Rohilla, Biplab Mukherjee
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Publication number: 20220145163Abstract: The present disclosure provides for a sandstone-containing oil reservoir additive composition that includes (a) a nonionic wettability alteration agent having Formula (I): and (b) an injection fluid. For Formula (I), R is an alkyl residue from a branched secondary alcohol initiator, where R can have a carbon number of C4 to C10, x is from 3 to 10 and y is from 1 to 20. The injection fluid can be selected from the group consisting of sea water, engineered water, injection brine, produced brine or combinations thereof. The nonionic wettability agent in the sandstone reservoir additive composition can be from 0.01 weight percent (wt %) to 20 wt % based on the total weight of the sandstone reservoir additive composition. The sandstone-containing oil reservoir additive composition can be used in enhance oil recovery operations, such as a waterflooding operation or a carbon dioxide flooding operation.Type: ApplicationFiled: February 17, 2020Publication date: May 12, 2022Applicant: Dow Global Technologies LLCInventors: Amit Katiyar, Troy E. Knight, Pramod D. Patil, Neeraj Rohilla
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Publication number: 20210163813Abstract: Surfactants constructed from three synthetic building blocks that contain multiple hydrocarbon chains, ethyleneamine, and alkyl sulfonate salt groups, were shown to possess good thermal stability, and foamability, and high foam profiles. The materials are targeted for high temperature foaming applications, such as foam flooding enhanced oil recovery to improve conformance control and other oil and gas downhole foaming applications.Type: ApplicationFiled: December 18, 2017Publication date: June 3, 2021Inventors: Wenke Miao, Peng Gao, Lixin You, Cheng Shen, Pramod D. Patil, Biplab Mukherjee, Troy E. Knight
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Publication number: 20200231862Abstract: Disclosed is a temperature stabilized aqueous wettability composition and method of use for the recovery of petroleum from subterranean formulations. Said aqueous wettability composition comprises a polyethylene oxide nonionic surfactant, a disulfonated anionic surfactant, and one or more alcohol.Type: ApplicationFiled: May 3, 2018Publication date: July 23, 2020Inventors: Troy E. Knight, Susan K. Falcone-Potts, Martha Hernandez, Amit Katiyar, Pramod D. Patil
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Patent number: 10717921Abstract: The present invention includes a foam-forming composition for use in enhanced oil recovery, and a method of using said foam-forming composition for recovering oil. The foam-forming composition of the present invention comprises a nonionic surfactant, in particular an alcohol-alkoxylate, and an anionic surfactant, in particular an alkyl diphenyloxide (di)sulfonate, where the foam-forming composition promotes a formation of a stable foam formed of a CO2 and water.Type: GrantFiled: April 28, 2016Date of Patent: July 21, 2020Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: David L. Frattarelli, Joydeep Mukherjee, Susan K. Falcone-Potts, Martha Hernandez, Troy E. Knight, Pramod D. Patil
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Patent number: 10662370Abstract: The present invention provides for a method of using a mixture of two or more nonionic surfactants for enhanced oil recovery and for an emulsion that includes carbon dioxide, a diluent and a mixture of two or more nonionic surfactants, where each nonionic surfactant is prepared with a double metal cyanide catalyst.Type: GrantFiled: October 4, 2017Date of Patent: May 26, 2020Assignee: Dow Global Technologies LLCInventors: Adam L. Grzesiak, Robert M. Campbell, Jacob M. Crosthwaite, Amit Katiyar, Troy E. Knight, Pramod D. Patil
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Publication number: 20190256763Abstract: The present invention provides methods of using a mixture of two or more nonionic surfactants for enhanced oil recovery, where each nonionic surfactant is prepared with a double metal cyanide catalyst. The present invention also provides for an emulsion that includes carbon dioxide, a diluent and the mixture of nonionic surfactants.Type: ApplicationFiled: October 4, 2017Publication date: August 22, 2019Inventors: Adam L. Grzesiak, Robert M. Campbell, Jacob M. Crosthwaite, Amit Katiyar, Troy E. Knight, Pramod D. Patil
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Patent number: 10336935Abstract: This invention relates to a foam-forming composition having good low temperature stability and method of use thereof for enhanced oil recovery. Said foam-forming composition comprises an anionic sulfonate surfactant, preferably an alpha-olefin sulfonate, a alkyl ether solvent, and water and is preferably stable to at least ?5 C. A preferred alkyl ether solvent has the formula C8H18O3, C8H16O3, or mixtures thereof. Preferred alpha-olefin sulfonate have 10 to 18 carbons, preferably 12 carbons. A preferred method for recovering oil from a reservoir comprises the periodic injection of gas and said foam-forming composition into the reservoir and contacting the oil in the reservoir with the foam so as to assist in the recovery of oil from the reservoir.Type: GrantFiled: May 22, 2014Date of Patent: July 2, 2019Assignee: Dow Global Technologies LLCInventors: David L. Frattarelli, Sayeed Abbas, Troy E. Knight, Aaron W. Sanders, Christopher J. Tucker, Caroline Woelfle-Gupta
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Publication number: 20180319934Abstract: Produce diglycidyl-capped polyalkylene glycol by (a) providing epihalohydrin, a polyalkylene glycol that contains and ethylene oxide component and a Lewis acid; (b) coupling the epihalohydrin to the polyalkylene glycol using the Lewis acid as a catalyst to produce a coupling product; (c) stripping 1,4-dioxane from the coupling product; and (d) epoxidation of the coupling product by addition of a base to form diglycidyl-capped polyalkylene glycol in an organic phase.Type: ApplicationFiled: October 19, 2016Publication date: November 8, 2018Applicant: Dow Global Technologies LLCInventors: Troy E. Knight, Thomas C. Young, Gerald W. Dare, Hannah L. Crampton, Bruce D. Hook, Pasquale Sirignano, Daviele Vinci
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Publication number: 20180305389Abstract: Prepare a branched alcohol-based sugar surfactant by: (a) providing an ether alcohol and a fully acetylated sugar where the ether alcohol has the structure of Structure (I); (b) coupling the ether alcohol with the acetylated sugar in the presence of a Lewis acid catalyst to form a branched glucoside acetate; and (c) deprotecting the glucoside acetate by removing the acetate moieties and replacing them with hydrogen atoms in the presence of a base to form a surfactant having the structure (II).Type: ApplicationFiled: September 7, 2016Publication date: October 25, 2018Applicant: Dow Global Technologies LLCInventors: Troy E. Knight, Nermeen W. Aboelella, Sayeed Abbas, Aaron W. Sanders
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Publication number: 20180037809Abstract: The present invention includes a foam-forming composition for use in enhanced oil recovery, and a method of using said foam-forming composition for recovering oil. The foam-forming composition of the present invention comprises a nonionic surfactant, in particular an alcohol-alkoxylate, and an anionic surfactant, in particular an alkyl diphenyloxide (di)sulfonate, where the foam-forming composition promotes a formation of a stable foam formed of a CO2 and water.Type: ApplicationFiled: April 28, 2016Publication date: February 8, 2018Inventors: David Frattarelli, Joydeep Mukherjee, Susan K. Falcone-Potts, Martha Hernandez, Troy E. Knight, Pramod D. Patil
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Publication number: 20160083642Abstract: This invention relates to a foam-forming composition having good low temperature stability and method of use thereof for enhanced oil recovery. Said foam-forming composition comprises an anionic sulfonate surfactant, preferably an alpha-olefin sulfonate, a alkyl ether solvent, and water and is preferably stable to at least ?5C. A preferred alkyl ether solvent has the formula C8H18O3, C8H16O3, or mixtures thereof. Preferred alpha-olefin sulfonate have 10 to 18 carbons, preferably 12 carbons. A preferred method for recovering oil from a reservoir comprises the periodic injection of gas and said foam-forming composition into the reservoir and contacting the oil in the reservoir with the foam so as to assist in the recovery of oil from the reservoir.Type: ApplicationFiled: May 22, 2014Publication date: March 24, 2016Inventors: David L. Frattarelli, Sayeed Abbas, Troy E. Knight, Aaron W. Sanders, Christopher J. Tucker, Caroline Woelfle-Gupta