Patents by Inventor Vladimir Hernandez-Solis
Vladimir Hernandez-Solis 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: 10944109Abstract: A Li/CFx primary battery having a lithium-based anode and a fluorinated carbon cathode. The fluorinated carbon cathode includes fluorinated carbon nanoparticles. The structure and size distribution of the carbon precursor carbon nanotubes are configured to provide improved battery performance. The fluorinated carbon nanoparticles can be formed by fluorinating carbon nanoparticles using a fluorine-based reactive gas at a temperature in the range from 300 to 600° C., and the fluorinated carbon nanoparticles can further be used to form the cathode of the primary battery. Producing the Li/CFx primary batter can also include heating the fluorinated carbon nanoparticles under an inert atmosphere before the fluorinated carbon nanoparticles are used to form the cathode of the primary battery.Type: GrantFiled: May 10, 2019Date of Patent: March 9, 2021Assignee: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Hanpu Liang, Nathan Lawrence, Timothy Jones, Steven Gahlings, Christine Jarvis, Wen Rong Li, Rogerio Tadeu Ramos, Vladimir Hernandez Solis
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Publication number: 20190267626Abstract: A Li/CFx primary battery having a lithium-based anode and a fluorinated carbon cathode. The fluorinated carbon cathode includes fluorinated carbon nanoparticles. The structure and size distribution of the carbon precursor carbon nanotubes are configured to provide improved battery performance. The fluorinated carbon nanoparticles can be formed by fluorinating carbon nanoparticles using a fluorine-based reactive gas at a temperature in the range from 300 to 600° C., and the fluorinated carbon nanoparticles can further be used to form the cathode of the primary battery. Producing the Li/CFx primary batter can also include heating the fluorinated carbon nanoparticles under an inert atmosphere before the fluorinated carbon nanoparticles are used to form the cathode of the primary battery.Type: ApplicationFiled: May 10, 2019Publication date: August 29, 2019Inventors: Hanpu Liang, Nathan Lawrence, Timothy Jones, Steven Gahlings, Christine Jarvis, Wen Rong Li, Rogerio Tadeu Ramos, Vladimir Hernandez Solis
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Publication number: 20160141577Abstract: Aspects of the disclosure can relate to an energy storage device including at least two electrodes (e.g., an anode and a cathode). At least one of the two electrodes can be formed from lithium or a lithium alloy. The energy storage device can also include an electrolyte solution in contact with the two electrodes and a separator with a melting point higher than a melting point of lithium. The separator can define a boundary between the two electrodes and encapsulates at least one of the two electrodes. The separator can also be impermeable to molten lithium. Thus, when exposed to a temperature that causes lithium from one or more of the electrodes to melt, the separator can prevent contact between molten lithium from one electrode and the other electrode.Type: ApplicationFiled: November 19, 2014Publication date: May 19, 2016Inventors: Rogerio Tadeu Ramos, Christine Ruth Jarvis, Vladimir Hernandez Solis
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Publication number: 20160133932Abstract: A Li/CFx primary battery having a lithium-based anode and a fluorinated carbon cathode. The fluorinated carbon cathode includes fluorinated carbon nanoparticles. The structure and size distribution of the carbon precursor carbon nanotubes are configured to provide improved battery performance.Type: ApplicationFiled: November 6, 2015Publication date: May 12, 2016Inventors: Hanpu Liang, Nathan Lawrence, Timothy Jones, Steven Gahlings, Christine Jarvis, Wen Rong Li, Rogerio Tadeu Ramos, Vladimir Hernandez Solis
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Patent number: 8929702Abstract: A modular cable unit for oilfield wireline includes multiple cable modules. The cable modules are interchangeable to achieve a modular cable unit with desired telemetry and electrical properties to suit a specific application. The cable modules can be an optical fiber module, a power cable or an opto-electrical module assembly. The cable modules that make up the modular cable unit are preferably arranged in a triad configuration defining a substantially triangular tangent periphery and are surrounded by a polymeric casing having a circular periphery. The triad configuration of the modular cable unit contributes to an improved mechanical strength. A floating-tube type optical fiber element with improved mechanical strength is also disclosed.Type: GrantFiled: May 21, 2007Date of Patent: January 6, 2015Assignee: Schlumberger Technology CorporationInventors: Joseph Varkey, Vladimir Hernandez-Solis, Marwan Moufarrej
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Patent number: 8697992Abstract: A cable assembly for use in a hydrocarbon well of extensive depth. The cable assembly may be effectively employed at well depths of over 30,000 feet. Indeed, embodiments of the assembly may be effectively employed at depths of over 50,000 feet while powering and directing downhole equipment at a downhole end thereof. The assembly may be made up of a comparatively high break strength uphole cable portion coupled to a lighter downhole cable portion. This configuration helps to ensure the structural integrity of the assembly in light of its own load when disposed in a well to such extensive depths. Additionally, the assembly may be employed at such depths with an intervening connector sub having a signal amplification mechanism incorporated therein to alleviate concern over telemetry between the surface of the oilfield and the downhole equipment.Type: GrantFiled: January 21, 2009Date of Patent: April 15, 2014Assignee: Schlumberger Technology CorporationInventors: Peter Gillan, Joseph Varkey, Jose Ramon Lozano-Gendreau, Vladimir Hernandez-Solis, Jan W. Smits, Hifzi Ardic
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Patent number: 8269647Abstract: A component is deployed into a well on a carrier line that includes an electrical cable. A depth of the component in a well is determined using a time domain reflectometry technique.Type: GrantFiled: December 15, 2006Date of Patent: September 18, 2012Assignee: Schlumberger Technology CorporationInventor: Vladimir Hernandez Solis
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Patent number: 7912333Abstract: A powered fiber optic cable for use in a hydrocarbon well of extensive depth and/or deviation. The cable may couple to a downhole tool for deployment to well locations of over 30,000 feet in depth while maintaining effective surface communication and powering of the tool. The cable may be configured to optimize volume within a core thereof by employing semi-circular forward and return power conducting portions about a central fiber optic portion. As such, the cable may maintain a lightweight character and a low profile of less than about 0.5 inches in diameter in spite of powering requirements for the downhole tool or the extensive length of the cable itself.Type: GrantFiled: February 4, 2009Date of Patent: March 22, 2011Assignee: Schlumberger Technology CorporationInventors: Joseph Varkey, Vladimir Hernandez-Solis, Surya Simanjuntak, Vadim Protasov, Byong Jun Kim, Jushik Yun, Jose Ramon Lozano-Gendreau
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Patent number: 7860362Abstract: A fiber optic cable comprises a cable core comprising at least one optical fiber and one of at least one electrical conductor and at least one strength member disposed adjacent the at least one optical fiber, at least one polymeric inner layer enclosing the cable core, and at least one polymeric outer layer enclosing the cable core and the inner layer to form the fiber optic cable, the outer layer operable to maintain integrity of the cable within a predetermined temperature range.Type: GrantFiled: June 6, 2008Date of Patent: December 28, 2010Assignee: WesternGeco L.L.C.Inventors: Joseph Varkey, Vladimir Hernandez-Solis
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Patent number: 7763802Abstract: An electrical cable includes insulated primary conductors and at least one insulated secondary conductor, which extend along the cable. The primary conductors define interstitial spaces between adjacent primary conductors, and the primary conductors have approximately the same diameter. The primary conductors include power conductors and a telemetric conductor. The secondary conductor(s) each have a diameter that is smaller than each of the diameters of the primary conductors, and each secondary conductor is at least partially nested in one of the interstitial spaces. The electrical cable may include at least one fiber optic line.Type: GrantFiled: August 30, 2007Date of Patent: July 27, 2010Assignee: Schlumberger Technology CorporationInventors: Joseph Varkey, Vladimir Hernandez-Solis, Ramon Hernandez-Marti
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Patent number: 7730936Abstract: A heating and distributed-temperature-sensor cable permanently fixed in a wellbore that permits known amounts of heat to be introduced to subsurface formations and improved temperature measurement thereof. The heat is introduced into a target zone of the wellbore by forming the cable in two sections: an upper section that carries an electrical current without generating significant amounts of heat, and a lower section that generates heat from the electrical current. Continuous distributed-temperature-sensing is performed through measuring various scattering mechanism in optical fibers that run the length of the cable.Type: GrantFiled: November 1, 2007Date of Patent: June 8, 2010Assignee: Schlumberger Technology CorporationInventors: Vladimir Hernandez-Solis, Montie W. Morrison, Willem A. Wijnberg, Sheng Chang, Joseph Varkey
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Patent number: 7593115Abstract: A component is deployed into a well on a carrier line having an optical cable. An optical signal is transmitted into the optical cable, and a travel time of the optical signal in the optical cable is determined. A profile of a characteristic along the optical cable is determined, and a length of the carrier line deployed into the well is determined based on the determined profile and the travel time.Type: GrantFiled: February 28, 2007Date of Patent: September 22, 2009Assignee: Schlumberger Technology CorporationInventors: Vladimir Hernandez-Solis, Rogerio T. Ramos, Joseph Varkey
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Publication number: 20090196557Abstract: A powered fiber optic cable for use in a hydrocarbon well of extensive depth and/or deviation. The cable may couple to a downhole tool for deployment to well locations of over 30,000 feet in depth while maintaining effective surface communication and powering of the tool. The cable may be configured to optimize volume within a core thereof by employing semi-circular forward and return power conducting portions about a central fiber optic portion. As such, the cable may maintain a lightweight character and a low profile of less than about 0.5 inches in diameter in spite of powering requirements for the downhole tool or the extensive length of the cable itself.Type: ApplicationFiled: February 4, 2009Publication date: August 6, 2009Inventors: Joseph Varkey, Vladimir Hernandez-Solis, Surya Simanjuntak, Vadim Protasov, Byong Jun Kim, Jushik Yun, Jose Ramon Lozano-Gendreau
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Publication number: 20090194296Abstract: A cable assembly for use in a hydrocarbon well of extensive depth. The cable assembly may be effectively employed at well depths of over 30,000 feet. Indeed, embodiments of the assembly may be effectively employed at depths of over 50,000 feet while powering and directing downhole equipment at a downhole end thereof The assembly may be made up of a comparatively high break strength uphole cable portion coupled to a lighter downhole cable portion. This configuration helps to ensure the structural integrity of the assembly in light of its own load when disposed in a well to such extensive depths. Additionally, the assembly may be employed at such depths with an intervening connector sub having a signal amplification mechanism incorporated therein to alleviate concern over telemetry between the surface of the oilfield and the downhole equipment.Type: ApplicationFiled: January 21, 2009Publication date: August 6, 2009Inventors: Peter Gillan, Joseph Varkey, Jose Ramon Lozano-Gendreau, Vladimir Hernandez-Solis, Jan W. Smits, Hifzi Ardic
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Publication number: 20090139744Abstract: A small-diameter wireline cable core has either two insulated preferably half moon profile conductors fixed together or an insulated central conductor over which three insulated conductors are helically cabled in a triad configuration. A layer of polymeric insulator covers all of the conductors to form a circular profile. A cable is formed by counterhelically cabling at least two layers of bare armor wire strength members over the cable core and encasing the strength members in one of layers of pure polymer, layers of short-fiber-reinforced polymer, and alternating layers of pure and short-fiber-reinforced polymer.Type: ApplicationFiled: November 25, 2008Publication date: June 4, 2009Inventors: Joseph Varkey, Vladimir Hernandez-Solis, Jose Ramon Lozano-Gendreau
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Publication number: 20090046983Abstract: A fiber optic cable comprises a cable core comprising at least one optical fiber and one of at least one electrical conductor and at least one strength member disposed adjacent the at least one optical fiber, at least one polymeric inner layer enclosing the cable core, and at least one polymeric outer layer enclosing the cable core and the inner layer to form the fiber optic cable, the outer layer operable to maintain integrity of the cable within a predetermined temperature range.Type: ApplicationFiled: June 6, 2008Publication date: February 19, 2009Inventors: Joseph Varkey, Vladimir Hernandez-Solis
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Publication number: 20080289851Abstract: A modular cable unit for oilfield wireline includes multiple cable modules. The cable modules are interchangeable to achieve a modular cable unit with desired telemetry and electrical properties to suit a specific application. The cable modules can be an optical fiber module, a power cable or an opto-electrical module assembly. The cable modules that make up the modular cable unit are preferably arranged in a triad configuration defining a substantially triangular tangent periphery and are surrounded by a polymeric casing having a circular periphery. The triad configuration of the modular cable unit contributes to an improved mechanical strength. A floating-tube type optical fiber element with improved mechanical strength is also disclosed.Type: ApplicationFiled: May 21, 2007Publication date: November 27, 2008Inventors: Joseph Varkey, Vladimir Hernandez-Solis, Marwan Moufarrej
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Publication number: 20080236867Abstract: An electrical cable includes insulated primary conductors and at least one insulated secondary conductor, which extend along the cable. The primary conductors define interstitial spaces between adjacent primary conductors, and the primary conductors have approximately the same diameter. The primary conductors include power conductors and a telemetric conductor. The secondary conductor(s) each have a diameter that is smaller than each of the diameters of the primary conductors, and each secondary conductor is at least partially nested in one of the interstitial spaces. The electrical cable may include at least one fiber optic line.Type: ApplicationFiled: August 30, 2007Publication date: October 2, 2008Inventors: Joseph Varkey, Vladimir Hernandez-Soli, Ramon Hernandez-Marti
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Publication number: 20080204703Abstract: A component is deployed into a well on a carrier line having an optical cable. An optical signal is transmitted into the optical cable, and a travel time of the optical signal in the optical cable is determined. A profile of a characteristic along the optical cable is determined, and a length of the carrier line deployed into the well is determined based on the determined profile and the travel time.Type: ApplicationFiled: February 28, 2007Publication date: August 28, 2008Inventors: Vladimir Hernandezs-Solis, Rogerio T. Ramos, Joseph Varkey
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Publication number: 20080185138Abstract: A heating and distributed-temperature-sensor cable permanently fixed in a wellbore that permits known amounts of heat to be introduced to subsurface formations and improved temperature measurement thereof. The heat is introduced into a target zone of the wellbore by forming the cable in two sections: an upper section that carries an electrical current without generating significant amounts of heat, and a lower section that generates heat from the electrical current. Continuous distributed-temperature-sensing is performed through measuring various scattering mechanism in optical fibers that run the length of the cable.Type: ApplicationFiled: November 1, 2007Publication date: August 7, 2008Inventors: Vladimir Hernandez-Solis, Montie W. Morrison, Willem A. Wijnberg, Sheng Chang, Joseph Varkey