Patents by Inventor Oleksandr Kuznetsov
Oleksandr Kuznetsov 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: 11268355Abstract: Downhole hanger systems and methods for hanging a first structure from a second structure in downhole environments are described. The systems include a first structure and a second structure, with the first structure disposed within the second structure. A composite joint is arranged on an outer surface of the first structure. The composite joint is formed of a material configured to be fused to both the first structure and the second structure and form a hanger joint having a shear strength of at least 2 ksi when the material is fused to the outer surface of the first structure and an inner surface of the second structure.Type: GrantFiled: March 5, 2020Date of Patent: March 8, 2022Assignee: BAKER HUGHES OILFIELD OPERATIONS LLCInventors: Zhiyue Xu, Guijun Deng, Oleksandr Kuznetsov, Deepak Kumar
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Publication number: 20210277751Abstract: Downhole hanger systems and methods for hanging a first structure from a second structure in downhole environments are described. The systems include a first structure and a second structure, with the first structure disposed within the second structure. A composite joint is arranged on an outer surface of the first structure. The composite joint is formed of a material configured to be fused to both the first structure and the second structure and form a hanger joint having a shear strength of at least 2 ksi when the material is fused to the outer surface of the first structure and an inner surface of the second structure.Type: ApplicationFiled: March 5, 2020Publication date: September 9, 2021Applicant: Baker Hughes Oilfield Operations LLCInventors: Zhiyue Xu, Guijun Deng, Oleksandr Kuznetsov, Deepak Kumar
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Patent number: 10544370Abstract: A water extraction process for separating bitumen from tar sands comprises slurrying tar sands in water, mixing the aqueous slurry with a magnetic substance for a time sufficient to release bitumen from tar sands and to uniformly disperse the magnetic substance with the bitumen, and subjecting the resulting slurry to froth flotation for recovery of a bitumen product and production of sand tails. The magnetic substance may comprise a magnetic surfactant. Alternatively, the magnetic substance comprises a magnetic nanoparticle together with a frother having the characteristics of methyl-isobutyl-carbinol and can be mixed with the aqueous slurry by attrition scrubbing or by flotation cell mixing. The magnetic substance may be recovered for further reuse by applying a magnetic or electromagnetic field to the tailings. The process may suitably applied in both so-called hot water extraction processes as well in an “ambient” temperature (from about freezing to 35° C.) process.Type: GrantFiled: July 14, 2017Date of Patent: January 28, 2020Assignee: Baker Hughes, a GE company, LLCInventors: Oleg A. Mazyar, Oleksandr Kuznetsov, Valery Khabashesku
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Patent number: 10480313Abstract: A method of determining a property within a subterranean formation comprises introducing silica nanoparticles into a well; obtaining a sample of a fluid produced from the well; and analyzing the sample for presence of the silica nanoparticles, wherein the silica nanoparticles comprise a core, a donor chromophore, an acceptor chromophore, and an outer silica shell; the donor chromophore and the acceptor chromophore being selected such that an emission spectrum of the donor chromophore overlaps with an absorption spectrum of the acceptor chromophore.Type: GrantFiled: June 19, 2017Date of Patent: November 19, 2019Assignee: BAKER HUGHES, A GE COMPANY, LLCInventors: Sankaran Murugesan, Radhika Suresh, Oleksandr Kuznetsov, Valery Khabashesku, Qusai Darugar
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Patent number: 10450208Abstract: Various illustrative embodiments of a process for enhanced flocculation and clarification of produced water from oil and gas wells using nanoparticles are provided herein. Certain nanoparticles can increase the settling rate of solids in produced water when used alone or combined with certain conventional flocculents.Type: GrantFiled: June 1, 2016Date of Patent: October 22, 2019Assignee: BAKER HUGHES, A GE COMPANY, LLCInventors: Oleksandr Kuznetsov, Radhika Suresh, Valery Khabashesku
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Patent number: 10413966Abstract: Nanoparticles for use in the treatment of a well have a magnetic core of iron, nickel or cobalt or an alloy thereof; a carbon shell encapsulating the magnetic core; at least one organic functional group on the surface of the carbon shell through covalent bonding; and a coating of amorphous carbon nitride encapsulating the functionalized carbon shell. The nanoparticles may be used to identify fluids produced from the reservoir, identify the zone within the reservoir from which recovered fluid is produced, in water flooding to determine water breakthrough in the production well and to identify those injection wells from which breakthrough water originates.Type: GrantFiled: June 20, 2016Date of Patent: September 17, 2019Assignee: Baker Hughes, a GE company, LLCInventors: Sankaran Murugesan, Oleksandr Kuznetsov, Valery Khabashesku
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Patent number: 10280737Abstract: Carbon quantum dots are used as tracers during the production of hydrocarbons. The tracer may be used to identify fluids produced from the reservoir. When used in the fracturing of multiple zones of the reservoir, qualitatively distinguishable carbon quantum dots may be used to identify the zone within the reservoir from which recovered fluid was produced. The carbon quantum dots may also be used in water flooding to determine water breakthrough in the production well. Upon water breakthrough in a production well, they may also be used to identify those injection wells from which breakthrough water originates.Type: GrantFiled: June 3, 2016Date of Patent: May 7, 2019Assignee: Baker Hughes, a GE company, LLCInventors: D. V. Satyanarayana Gupta, Sankaran Murugesan, Oleksandr Kuznetsov, Radhika Suresh, Valery N. Khabasheku
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Publication number: 20180363452Abstract: A method of determining a property within a subterranean formation comprises introducing silica nanoparticles into a well; obtaining a sample of a fluid produced from the well; and analyzing the sample for presence of the silica nanoparticles, wherein the silica nanoparticles comprise a core, a donor chromophore, an acceptor chromophore, and an outer silica shell; the donor chromophore and the acceptor chromophore being selected such that an emission spectrum of the donor chromophore overlaps with an absorption spectrum of the acceptor chromophore.Type: ApplicationFiled: June 19, 2017Publication date: December 20, 2018Applicant: Baker Hughes IncorporatedInventors: Sankaran Murugesan, Radhika Suresh, Oleksandr Kuznetsov, Valery Khabashesku, Qusai Darugar
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Publication number: 20180044595Abstract: A water extraction process for separating bitumen from tar sands comprises slurrying tar sands in water, mixing the aqueous slurry with a magnetic substance for a time sufficient to release bitumen from tar sands and to uniformly disperse the magnetic substance with the bitumen, and subjecting the resulting slurry to froth flotation for recovery of a bitumen product and production of sand tails. The magnetic substance may comprise a magnetic surfactant. Alternatively, the magnetic substance comprises a magnetic nanoparticle together with a frother having the characteristics of methyl-isobutyl-carbinol and can be mixed with the aqueous slurry by attrition scrubbing or by flotation cell mixing. The magnetic substance may be recovered for further reuse by applying a magnetic or electromagnetic field to the tailings. The process may suitably applied in both so-called hot water extraction processes as well in an “ambient” temperature (from about freezing to 35° C.) process.Type: ApplicationFiled: July 14, 2017Publication date: February 15, 2018Applicant: Baker Hughes, a GE company, LLCInventors: Oleg A. Mazyar, Oleksandr Kuznetsov, Valery Khabashesku
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Publication number: 20170361376Abstract: Nanoparticles for use in the treatment of a well have a magnetic core of iron, nickel or cobalt or an alloy thereof; a carbon shell encapsulating the magnetic core; at least one organic functional group on the surface of the carbon shell through covalent bonding; and a coating of amorphous carbon nitride encapsulating the functionalized carbon shell. The nanoparticles may be used to identify fluids produced from the reservoir, identify the zone within the reservoir from which recovered fluid is produced, in water flooding to determine water breakthrough in the production well and to identify those injection wells from which breakthrough water originates.Type: ApplicationFiled: June 20, 2016Publication date: December 21, 2017Inventors: Sankaran Murugesan, Oleksandr Kuznetsov, Valery N. Khabashesku
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Publication number: 20170349461Abstract: Various illustrative embodiments of a process for enhanced flocculation and clarification of produced water from oil and gas wells using nanoparticles are provided herein. Certain nanoparticles can increase the settling rate of solids in produced water when used alone or combined with certain conventional flocculents.Type: ApplicationFiled: June 1, 2016Publication date: December 7, 2017Applicant: Baker Hughes, a GE company, LLCInventors: OLEKSANDR KUZNETSOV, RADHIKA SURESH, VALERY KHABASHESKU
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Publication number: 20170022804Abstract: Carbon quantum dots are used as tracers during the production of hydrocarbons. The tracer may be used to identify fluids produced from the reservoir. When used in the fracturing of multiple zones of the reservoir, qualitatively distinguishable carbon quantum dots may be used to identify the zone within the reservoir from which recovered fluid was produced. The carbon quantum dots may also be used in water flooding to determine water breakthrough in the production well. Upon water breakthrough in a production well, they may also be used to identify those injection wells from which breakthrough water originates.Type: ApplicationFiled: June 3, 2016Publication date: January 26, 2017Inventors: D. V. Satyanarayana Gupta, Sankaran Murugesan, Oleksandr Kuznetsov, Radhika Suresh, Valery N. Khabasheku
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Publication number: 20160185606Abstract: A method of growing carbonaceous particles comprises depositing carbon from a carbon source, onto a particle nucleus, the particle nucleus being a carbon-containing material, an inorganic material, or a combination comprising at least one of the foregoing, and the carbon source comprising a saturated or unsaturated compound of C20 or less, the carbonaceous particles having a uniform particle size and particle size distribution. The method is useful for preparing polycrystalline diamond compacts (PDCs) by a high-pressure, high temperature (HPHT) process.Type: ApplicationFiled: December 9, 2011Publication date: June 30, 2016Applicant: BAKER HUGHES INCORPORATEDInventors: Oleg A. Mazyar, Soma Chakraborty, Oleksandr Kuznetsov, Anthony A. DiGiovanni, Gaurav Agrawal, Michael H. Johnson
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Patent number: 8840693Abstract: Coated particles comprise a core particle comprising a superhard material and having an average diameter of between 1 ?m and 500 ?m. A coating material is adhered to and covers at least a portion of an outer surface of the core particle, the coating material comprising an amine terminated group. A plurality of nanoparticles selected from the group consisting of carbon nanotubes, nanographite, nanographene, non-diamond carbon allotropes, surface modified nanodiamond, nanoscale particles of BeO, and nanoscale particles comprising a Group VIIIA element is adhered to the coating material.Type: GrantFiled: June 22, 2011Date of Patent: September 23, 2014Assignee: Baker Hughes IncorporatedInventors: Soma Chakraborty, Oleksandr Kuznetsov, Gaurav Agrawal
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Publication number: 20130149447Abstract: A method of growing carbonaceous particles comprises depositing carbon from a carbon source, onto a particle nucleus, the particle nucleus being a carbon-containing material, an inorganic material, or a combination comprising at least one of the foregoing, and the carbon source comprising a saturated or unsaturated compound of C20 or less, the carbonaceous particles having a uniform particle size and particle size distribution. The method is useful for preparing polycrystalline diamond compacts (PDCs) by a high-pressure, high temperature (HPHT) process.Type: ApplicationFiled: December 9, 2011Publication date: June 13, 2013Applicant: BAKER HUGHES INCORPORATEDInventors: Oleg A. Mazyar, Soma Chakraborty, Oleksandr Kuznetsov, Anthony A. DiGiovanni, Gaurav Agrawal, Michael H. Johnson
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Patent number: 8420717Abstract: A method of making a water soluble carbon nanostructure includes treating a fluorinated carbon nanostructure material with a polyol in the presence of a base. A water soluble carbon nanostructure comprises a fluorinated carbon nanostructure covalently bound to a polyol. Exemplary uses of water soluble carbon nanostructures include use in polymer composites, biosensors and drug delivery vehicles.Type: GrantFiled: July 23, 2008Date of Patent: April 16, 2013Assignee: William Marsh Rice UniversityInventors: Valery N. Khabashesku, Oleksandr Kuznetsov, Rui Lobo
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Publication number: 20120324799Abstract: Coated particles comprise a core particle comprising a superhard material and having an average diameter of between 1 ?m and 500 ?m. A coating material is adhered to and covers at least a portion of an outer surface of the core particle, the coating material comprising an amine terminated group. A plurality of nanoparticles selected from the group consisting of carbon nanotubes, nanographite, nanographene, non-diamond carbon allotropes, surface modified nanodiamond, nanoscale particles of BeO, and nanoscale particles comprising a Group VIIIA element is adhered to the coating material.Type: ApplicationFiled: June 22, 2011Publication date: December 27, 2012Applicant: BAKER HUGHES INCORPORATEDInventors: Soma Chakraborty, Oleksandr Kuznetsov, Gaurav Agrawal
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Publication number: 20100317820Abstract: A method of making a water soluble carbon nanostructure includes treating a fluorinated carbon nanostructure material with a polyol in the presence of a base. A water soluble carbon nanostructure comprises a fluorinated carbon nanostructure covalently bound to a polyol. Exemplary uses of water soluble carbon nanostructures include use in polymer composites, biosensors and drug delivery vehicles.Type: ApplicationFiled: July 23, 2008Publication date: December 16, 2010Applicant: William Marsh Rice UniversityInventors: Valery N. Khabashesku, Oleksandr Kuznetsov, Rui Lobo