Patents by Inventor Qingyan He
Qingyan He 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: 20230184991Abstract: A method for calibrating an electromagnetic measurement tool includes deploying a test loop about a first antenna in the electromagnetic measurement tool and electromagnetically coupling the test loop and the first antenna and measuring a first voltage. The test loop is then deploying about a second antenna in the electromagnetic measurement tool and electromagnetic ally coupling the test loop and the second antenna and measuring a second voltage. A ratio of the first voltage to the second voltages is computed that can be used to calibrate the first antenna with respect to the second antenna.Type: ApplicationFiled: June 21, 2021Publication date: June 15, 2023Inventors: Kong Hauw Sarwa Bakti Tan, Qingyan He, Qing Zhang, Desheng Zhang, Kent Harms, Daniel Fernandez
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Patent number: 11408022Abstract: A method of preparing an anti-oxidation polypeptide having an amino acid sequence of SEQ ID NO:1 includes enzymatic hydrolysis of black shark skins, which serve as the raw material, with alkali protease, separation, purification, freezing, and drying to obtain the anti-oxidation polypeptide. Enzymatic hydrolysis conditions include 7.0-9.0 pH value, 40-50° C. temperature, 4.0-6.0 h enzymatic hydrolysis time, 2.0-4.0% primer concentration, and 9.0-10.0 wt % of enzymes.Type: GrantFiled: July 19, 2018Date of Patent: August 9, 2022Assignee: FU ZHOU UNIVERSITYInventors: Shaoyun Wang, Xixi Cai, Qingyan He, Ana Yan, Qianwen Ye
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Publication number: 20220145349Abstract: A method of preparing an anti-oxidation polypeptide having an amino acid sequence of SEQ ID NO:1 includes enzymatic hydrolysis of black shark skins, which serve as the raw material, with alkali protease, separation, purification, freezing, and drying to obtain the anti-oxidation polypeptide. Enzymatic hydrolysis conditions include 7.0-9.0 pH value, 40-50° C. temperature, 4.0-6.0 h enzymatic hydrolysis time, 2.0-4.0% primer concentration, and 9.0-10.0 wt % of enzymes.Type: ApplicationFiled: July 19, 2018Publication date: May 12, 2022Inventors: Shaoyun Wang, Xixi Cai, Qingyan He, Ana Yan, Qianwen Ye
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Patent number: 11209568Abstract: A shield assembly for logging tool sensors includes a single piece cylindrical shield and first and second cylindrical end clamps deployed about opposing axial ends of the cylindrical shield. The cylindrical shield is deployed about a logging sensor disposed on a logging tool collar. At least one of the first and second end clamps includes one or more keys for engaging a corresponding slot in the shield and a corresponding pocket in an outer surface of the tool collar. Engagement of the key with the corresponding slot and the corresponding pocket is operative to prevent relative rotational and relative axial motion between the cylindrical shield, the first and second end clamps, and the tool collar.Type: GrantFiled: November 27, 2018Date of Patent: December 28, 2021Assignee: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Qingyan He, Kent David Harms, Luis Pamintuan
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Publication number: 20200348437Abstract: A shield assembly for logging tool sensors includes a single piece cylindrical shield and first and second cylindrical end clamps deployed about opposing axial ends of the cylindrical shield. The cylindrical shield is deployed about a logging sensor disposed on a logging tool collar. At least one of the first and second end clamps includes one or more keys for engaging a corresponding slot in the shield and a corresponding pocket in an outer surface of the tool collar. Engagement of the key with the corresponding slot and the corresponding pocket is operative to prevent relative rotational and relative axial motion between the cylindrical shield, the first and second end clamps, and the tool collar.Type: ApplicationFiled: November 27, 2018Publication date: November 5, 2020Inventors: Qingyan He, Kent David Harms, Luis Pamintuan
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Patent number: 8707752Abstract: A calibration assembly is disclosed. In one embodiment, a calibration assembly calibrating a downhole formation evaluation tool includes a calibration base having a first geometry, a calibration insert including a first material and having a second geometry, and a second material having a third geometry and being different from the first material. The second geometry enables the calibration insert to receive the second material to form a first composite region, wherein the first and second materials and the second and third geometries are selected such that a calibration property of the calibration assembly apparatus substantially matches a corresponding calibration property of a third material. Additional apparatuses, devices, and methods are also disclosed.Type: GrantFiled: December 4, 2012Date of Patent: April 29, 2014Assignee: Schlumberger Technology CorporationInventors: Richard J. Radke, Christopher Scott Del Campo, Dale Wayne Clinton, Qingyan He, Augdon John Sampa
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Patent number: 8327683Abstract: Example composite materials and calibration assemblies using the same. An example calibration assembly for use in calibrating a downhole formation evaluation tool includes a first body comprising a first material and having a first geometry, a second body comprising a second material formed to receive the first body, wherein the first and second materials and the first geometry are selected so that a calibration property of the calibration assembly substantially matches a corresponding calibration property of a third material.Type: GrantFiled: October 22, 2009Date of Patent: December 11, 2012Assignee: Schlumberger Technology CorporationInventors: Richard J. Radtke, Christopher Scott Del Campo, Dale Wayne Clinton, Qingyan He, Augdon John Sampa
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Patent number: 7986144Abstract: A logging sonde includes a tube defining a sealed chamber inside. An isolation layer is disposed on an exterior of the tube. At least one sensor is disposed on an exterior of the isolation layer. The sensor includes a lead in passing through a wall of the tube. An elastomer jacket is disposed on an exterior of the sensor and the isolation layer. A method for making a sonde includes affixing an electrically insulating isolator to an exterior of a tube. An hydraulic seal layer is affixed over an exterior of the isolator. A sensor is affixed over the exterior of the seal layer. An electrical connection is made from the sensor to an interior of the tube through the hydraulic seal layer and through the isolator. An elastomer jacket is applied over the exterior of at least part of the sensor and the exterior of the seal layer.Type: GrantFiled: July 26, 2007Date of Patent: July 26, 2011Assignee: Schlumberger Technology CorporationInventors: Qingyan He, Richard Dan Ward
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Patent number: 7880640Abstract: A gap collar for an electromagnetic communication unit of a downhole tool positioned in a wellbore is provided. The downhole tool communicates with a surface unit via an electromagnetic field generated by the electromagnetic communication unit. The gap collar includes a first collar having a first end connector and a second collar having a second end connector matingly connectable to the first end connector. The gap collar further includes a non-conductive insulation coating disposed on the first and/or second end connectors, and a non-conductive insulation molding positioned about an inner and/or outer surface of the collars. The insulation molding moldingly conforms to the shape collars. The connectors are provided with mated threads modified to receive the insulation coating. Measurements taken by the downhole tool may be stored in memory, and transmitted to the surface unit via the electromagnetic field.Type: GrantFiled: May 24, 2006Date of Patent: February 1, 2011Assignee: Schlumberger Technology CorporationInventors: John Lovell, Qingyan He, Frank Shray
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Publication number: 20100180662Abstract: Example composite materials and calibration assemblies using the same. An example calibration assembly for use in calibrating a downhole formation evaluation tool includes a first body comprising a first material and having a first geometry, a second body comprising a second material formed to receive the first body, wherein the first and second materials and the first geometry are selected so that a calibration property of the calibration assembly substantially matches a corresponding calibration property of a third material.Type: ApplicationFiled: October 22, 2009Publication date: July 22, 2010Inventors: Richard J. Radtke, Christopher Scott Del Campo, Dale Wayne Clinton, Qingyan He, Augdon John Sampa
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Patent number: 7723989Abstract: Transducer apparatus for subsurface use. A tubular configured for subsurface disposal is equipped with a cylindrical transducer module formed of a non-conductive material. The module is mounted to surround a section of the tubular and includes a transducer element disposed thereon such that only a surface of the element is exposed along the exterior of the module body. The transducer element is linked to a lead routed through the cylindrical body to exit near the inner bore of the body. The ends of the cylindrical body are covered with a material to form a hydraulic seal. A method for constructing the transducer apparatus.Type: GrantFiled: September 18, 2007Date of Patent: May 25, 2010Assignee: Schlumberger Technology CorporationInventors: Qingyan He, Chris Del Campo, Richard Dan Ward
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Publication number: 20090072832Abstract: Transducer apparatus for subsurface use. A tubular configured for subsurface disposal is equipped with a cylindrical transducer module formed of a non-conductive material. The module is mounted to surround a section of the tubular and includes a transducer element disposed thereon such that only a surface of the element is exposed along the exterior of the module body. The transducer element is linked to a lead routed through the cylindrical body to exit near the inner bore of the body. The ends of the cylindrical body are covered with a material to form a hydraulic seal. A method for constructing the transducer apparatus.Type: ApplicationFiled: September 18, 2007Publication date: March 19, 2009Inventors: Qingyan He, Chris Del Campo, Richard Dan Ward
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Publication number: 20090025924Abstract: A logging sonde includes a tube defining a sealed chamber inside. An isolation layer is disposed on an exterior of the tube. At least one sensor is disposed on an exterior of the isolation layer. The sensor includes a lead in passing through a wall of the tube. An elastomer jacket is disposed on an exterior of the sensor and the isolation layer. A method for making a sonde includes affixing an electrically insulating isolator to an exterior of a tube. An hydraulic seal layer is affixed over an exterior of the isolator. A sensor is affixed over the exterior of the seal layer. An electrical connection is made from the sensor to an interior of the tube through the hydraulic seal layer and through the isolator. An elastomer jacket is applied over the exterior of at least part of the sensor and the exterior of the seal layer.Type: ApplicationFiled: July 26, 2007Publication date: January 29, 2009Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Qingyan He, Richard Dan Ward
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Publication number: 20060220650Abstract: A gap collar for an electromagnetic communication unit of a downhole tool positioned in a wellbore is provided. The downhole tool communicates with a surface unit via an electromagnetic field generated by the electromagnetic communication unit. The gap collar includes a first collar having a first end connector and a second collar having a second end connector matingly connectable to the first end connector. The gap collar further includes a non-conductive insulation coating disposed on the first and/or second end connectors, and a non-conductive insulation molding positioned about an inner and/or outer surface of the collars. The insulation molding moldingly conforms to the shape collars. The connectors are provided with mated threads modified to receive the insulation coating. Measurements taken by the downhole tool may be stored in memory, and transmitted to the surface unit via the electromagnetic field.Type: ApplicationFiled: May 24, 2006Publication date: October 5, 2006Inventors: John Lovell, Qingyan He, Frank Shray
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Patent number: 7080699Abstract: A gap collar for an electromagnetic communication unit of a downhole tool positioned in a wellbore is provided. The downhole tool communicates with a surface unit via an electromagnetic field generated by the electromagnetic communication unit. The gap collar includes a first collar having a first end connector and a second collar having a second end connector matingly connectable to the first end connector. The gap collar further includes a non-conductive insulation coating disposed on the first and/or second end connectors, and a non-conductive insulation molding positioned about an inner and/or outer surface of the collars. The insulation molding moldingly conforms to the shape collars. The connectors are provided with mated threads modified to receive the insulation coating. Measurements taken by the downhole tool may be stored in memory, and transmitted to the surface unit via the electromagnetic field.Type: GrantFiled: January 29, 2004Date of Patent: July 25, 2006Assignee: Schlumberger Technology CorporationInventors: John Lovell, Qingyan He, Frank Shray
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Publication number: 20050167098Abstract: A gap collar for an electromagnetic communication unit of a downhole tool positioned in a wellbore is provided. The downhole tool communicates with a surface unit via an electromagnetic field generated by the electromagnetic communication unit. The gap collar includes a first collar having a first end connector and a second collar having a second end connector matingly connectable to the first end connector. The gap collar further includes a non-conductive insulation coating disposed on the first and/or second end connectors, and a non-conductive insulation molding positioned about an inner and/or outer surface of the collars. The insulation molding moldingly conforms to the shape collars. The connectors are provided with mated threads modified to receive the insulation coating. Measurements taken by the downhole tool may be stored in memory, and transmitted to the surface unit via the electromagnetic field.Type: ApplicationFiled: January 29, 2004Publication date: August 4, 2005Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: John Lovell, Qingyan He, Frank Shray