Patents by Inventor Xiaoge Gan
Xiaoge Gan 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: 11939867Abstract: A downhole tool has a directional pad that contacts a wellbore wall at a pad contact location and a drill bit with at least one active cutting element that contacts the wellbore wall at a cutting element contact location. A contact distance between the pad contact location and the cutting element contact location being 3 in. (7.6 cm) or less.Type: GrantFiled: February 14, 2020Date of Patent: March 26, 2024Assignee: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Andrew Mueller, Dennis Patrick Chesnutt, Ke Chen, Xiaoge Gan, Venkatesh Karuppiah
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Patent number: 11920408Abstract: A cutting element includes a base and a cutting face at opposite axial ends, a side surface extending between the base and the cutting face, an edge formed between the cutting face and the side surface, an edge chamfer having a uniform size around the entire edge, and a geometric shape formed on the cutting face and defined by a concave boundary with respect to a longitudinal axis of the cutting element. The concave boundary includes multiple rounded vertices, each rounded vertex located proximate to the edge chamfer and forming a cutting tip and multiple geometric shape sides connecting the rounded vertices, wherein the geometric shape sides are concave with respect to the longitudinal axis.Type: GrantFiled: October 19, 2020Date of Patent: March 5, 2024Assignee: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Xiaoge Gan, Youhe Zhang
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Publication number: 20240044213Abstract: A cutting element includes a body, a non-planar cutting face formed on a first end of the body, and an edge formed around a perimeter of the cutting face. The cutting face includes a central raised portion, and the edge has an edge angle defined between the cutting face and a side surface of the body. The edge angle varies around the perimeter of the cutting face and includes an acute edge angle defined by a portion of the cutting face extending downwardly from the edge to a depth from the cutting angle. The portion of the edge defining the acute edge angle may be directly adjacent: a side surface of the cutting element; a bevel of the cutting element; or a flat region at the perimeter of the cutting element or bevel.Type: ApplicationFiled: October 23, 2023Publication date: February 8, 2024Inventors: Xiaoge Gan, Anjie Dong, Gerard Johnson, Michael George Azar, Huimin Song, Youhe Zhang, Venkatesh Karuppiah
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Publication number: 20240026740Abstract: A drill bit includes a bit insert. A bit body of the bit includes an insert cavity. The bit insert is inserted into the insert cavity. The bit insert is secured to the insert cavity, such as by braze or with a connection mechanism. The bit insert may be replaceable, thereby allowing a drilling operator to adjust the configuration of the bit based on which bit insert is used.Type: ApplicationFiled: July 21, 2023Publication date: January 25, 2024Inventors: Youhe Zhang, Huimin Song, Yuelin Shen, Xiaoge Gan, Yuri Burhan, Sudarsanam Chellappa, Scott D. McDonough
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Publication number: 20240003193Abstract: A cutting element may include a substrate; and an ultrahard layer on the substrate, the substrate and the ultrahard layer defining a non-planar working surface of the cutting element such that the ultrahard layer forms a cutting portion and the substrate is at least laterally adjacent to the ultrahard layer. Another cutting element includes a pointed region having a side surface extending from the pointed region outer perimeter to a peak. An ultrahard material body forms a portion of the pointed region including the peak, and a base region extends a depth from the pointed region outer perimeter. The ultrahard material body has a height to width aspect ratio with the height and width measured between two points of the body having the greatest distance apart along a dimension parallel with a longitudinal axis (i.e., height) along a dimension perpendicular to the longitudinal axis (i.e., width).Type: ApplicationFiled: September 19, 2023Publication date: January 4, 2024Inventors: Huimin Song, Xiaoge Gan, Zhijun Lin, Ke Chen
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Publication number: 20230417109Abstract: A cutting element has a cutting face at an axial end of the cutting element, a peripheral surface extending circumferentially around the cutting face, and a cutting edge formed between the cutting face and the peripheral surface. The cutting face has a non-planar geometry including a central region around a longitudinal axis of the cutting element, a plurality of grooves extending radially from a boundary of the central region to the cutting edge, wherein each groove has a base with a curved cross-sectional profile, and a plurality of lobes alternatingly formed between the plurality of grooves, wherein each lobe has a cross-sectional profile comprising an apex and opposite side surfaces sloping downwardly a distance from the apex to the base of adjacent grooves.Type: ApplicationFiled: November 23, 2021Publication date: December 28, 2023Inventors: Youhe Zhang, Yuri Burhan, Ke Chen, Xiaoge Gan
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Patent number: 11814904Abstract: A cutting element may include a substrate; and an ultrahard layer on the substrate, the substrate and the ultrahard layer defining a non-planar working surface of the cutting element such that the ultrahard layer forms a cutting portion and the substrate is at least laterally adjacent to the ultrahard layer. Another cutting element includes a pointed region having a side surface extending from the pointed region outer perimeter to a peak. An ultrahard material body forms a portion of the pointed region including the peak, and a base region extends a depth from the pointed region outer perimeter. The ultrahard material body has a height to width aspect ratio with the height and width measured between two points of the body having the greatest distance apart along a dimension parallel with a longitudinal axis (i.e., height) along a dimension perpendicular to the longitudinal axis (i.e., width).Type: GrantFiled: May 29, 2018Date of Patent: November 14, 2023Assignee: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Huimin Song, Xiaoge Gan, Zhijun Lin, Ke Chen
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Patent number: 11795764Abstract: A cutting element includes a body, a non-planar cutting face formed on a first end of the body, and an edge formed around a perimeter of the cutting face. The cutting face includes a central raised portion, and the edge has an edge angle defined between the cutting face and a side surface of the body. The edge angle varies around the perimeter of the cutting face and includes an acute edge angle defined by a portion of the cutting face extending downwardly from the edge to a depth from the cutting angle. The portion of the edge defining the acute edge angle may be directly adjacent: a side surface of the cutting element; a bevel of the cutting element; or a flat region at the perimeter of the cutting element or bevel.Type: GrantFiled: August 23, 2021Date of Patent: October 24, 2023Assignee: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Xiaoge Gan, Anjie Dong, Gerard Johnson, Michael George Azar, Huimin Song, Youhe Zhang, Venkatesh Karuppiah
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Publication number: 20230193697Abstract: A drilling tool having a body, at least one blade extending from the body, and a first cutting element attached to the at least one blade. The first cutting element includes a cutting face at an opposite axial end from a base, a side surface extending from the base to the cutting face, an edge formed at the intersection between the cutting face and the side surface, and an elongated protrusion formed at the cutting face and extending between opposite sides of the edge. The elongated protrusion has a geometry including a border extending around a concave surface, a face chamfer formed around the border, and sloped surfaces extending between the border and the edge. An edge chamfer is between the face chamfer and the edge.Type: ApplicationFiled: February 13, 2023Publication date: June 22, 2023Inventors: Manoj Mahajan, John Daniel Belnap, Xiaoge Gan, Yi Fang, Cheng Peng, Lynn Belnap, Youhe Zhang, Michael George Azar, Venkatesh Karuppiah, Anthony LeBaron, Xian Yao
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Patent number: 11578538Abstract: A cutting element has a cutting face at an opposite axial end from a base, a side surface extending from the base to the cutting face, an edge formed at the intersection between the cutting face and the side surface, and an elongated protrusion formed at the cutting face and extending between opposite sides of the edge, wherein the elongated protrusion has a geometry including a border extending around a concave surface and sloped surfaces extending between the border and the edge, and wherein the concave surface has a major axis dimension measured between opposite sides of the border and a minor axis dimension measured perpendicularly to the major axis dimension and ranging from 50 percent to 99 percent of the major axis dimension.Type: GrantFiled: January 8, 2021Date of Patent: February 14, 2023Assignee: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Manoj Mahajan, John Daniel Belnap, Xiaoge Gan, Yi Fang, Cheng Peng, Lynn Belnap, Youhe Zhang, Michael George Azar, Venkatesh Karuppiah, Anthony LeBaron, Xian Yao
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Publication number: 20220397006Abstract: A cutting element has a cutting face with a geometry including at least one protrusion spaced a radial distance apart from an edge of the cutting element, the edge extending around an entire periphery of the cutting face, and a lower portion extending within the distance between the at least one protrusion and the edge, wherein a lower portion axial height measured between the edge and a base of the at least one protrusion is less than 30 percent of a greatest axial height of the at least one protrusion measured between the base of the at least one protrusion and an axially highest point of the at least one protrusion.Type: ApplicationFiled: September 25, 2020Publication date: December 15, 2022Inventors: Youhe Zhang, Xiaoge Gan
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Publication number: 20220381092Abstract: A cutting element includes a base and a cutting face at opposite axial ends, a side surface extending between the base and the cutting face, an edge formed between the cutting face and the side surface, an edge chamfer having a uniform size around the entire edge, and a geometric shape formed on the cutting face and defined by a concave boundary with respect to a longitudinal axis of the cutting element. The concave boundary includes multiple rounded vertices, each rounded vertex located proximate to the edge chamfer and forming a cutting tip and multiple geometric shape sides connecting the rounded vertices, wherein the geometric shape sides are concave with respect to the longitudinal axis.Type: ApplicationFiled: October 19, 2020Publication date: December 1, 2022Inventors: Xiaoge Gan, Youhe Zhang
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Patent number: 11459830Abstract: A tool includes a base with a crown extending from the base. The crown is additively manufactured on the base, forming a bond between the crown and the base. At least one protrusion may extend from the base surface into a recess in the crown, such that the crown encompasses the protrusion. The protrusion may mechanically interlock the base and the crown to improve torque transfer between the crown and base. The bond at the contact between the base and crown may include impregnating at least a portion of the crown with the material of the base, or at least a portion of base with the material of the crown, which may improve a connection between the crown and base.Type: GrantFiled: August 24, 2017Date of Patent: October 4, 2022Assignee: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Youhe Zhang, Xiaoge Gan, Huimin Song, Rogelio Benitez
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Publication number: 20220307325Abstract: A cutting element may include a body, a concave cutting face formed at a first end of the body, the cutting face including one or more cutting ridges adjacent a cutting tip that are raised above the concavity of the cutting face and having a length that is at least about 10% of a diameter of the cutting face. An edge is formed around a perimeter of the cutting face, and the edge has an edge angle defined between a tangent of the cutting face and a cylindrical side surface of the body, the edge angle being acute at the cutting tip and varying around the perimeter of the cutting face.Type: ApplicationFiled: August 28, 2020Publication date: September 29, 2022Inventors: Ronald K. Eyre, Yi Fang, Ronald B. Crockett, Lynn Belnap, Aaron Madsen, Haibo Zhang, J. Daniel Belnap, Christopher A. Tucker, Xiaoge Gan, Anjie Dong, Venkatesh Karuppiah
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Patent number: 11396776Abstract: A cutting element may include a substrate; and an ultrahard layer on the substrate, the ultrahard layer including a non-planar working surface that is surrounded by a peripheral edge having a varying height around a circumference of the cutting element, the working surface also having: a plurality of cutting crests extending from an elevated portion of the peripheral edge across at least a portion of the working surface; at least one valley between the plurality of cutting crests; and a canted surface extending laterally from each of the outer plurality of cutting crests towards a depressed portion of the peripheral edge, a height between the depressed portion and the elevated portion being greater than a height between the elevated portion and the valley.Type: GrantFiled: February 1, 2021Date of Patent: July 26, 2022Assignee: SMITH INTERNATIONAL, INC.Inventors: Xiaoge Gan, Huimin Song, Jason Gregg, Sandeep Tammineni
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Publication number: 20220156429Abstract: A method for designing a drill bit includes simulating a cutting element cutting a digitized rock sample, storing outputs from the simulating in a digital rock interaction file, modeling the drill bit to have at least one of the cutting element, and using data in the digital rock interaction file to simulate the drill bit in a drilling operationType: ApplicationFiled: November 12, 2021Publication date: May 19, 2022Inventors: Xiaoge Gan, Ke Chen, Yansong Huang, Paul Bolchover
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Publication number: 20220112773Abstract: A cutting element may include a substrate and an ultrahard layer. A top surface of the ultrahard layer includes a peripheral edge extending around the cutting element, a cutting crest extending across a major dimension of the cutting element from a cutting edge at a first portion of the peripheral edge to a modified region at a central axis of the ultrahard layer, and a lateral portion extending across a minor dimension of the cutting element from the peripheral edge to the modified region. The modified region along the major dimension includes a concave cross-sectional shape. The lateral portion along the minor dimension from the peripheral edge to the modified region includes one or more of a linear shape and a convex shape, and the modified region along the minor dimension includes a planar shape perpendicular to the central axis.Type: ApplicationFiled: December 23, 2021Publication date: April 14, 2022Inventors: Chen Chen, Huimin Song, Liang Zhao, Youhe Zhang, Michael G. Azar, Xiaoge Gan, Madapusi K. Keshavan, Zhijun Lin, Bala Durairajan, Michael L. Stewart
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Publication number: 20220112770Abstract: A downhole tool has a directional pad that contacts a wellbore wall at a pad contact location and a drill bit with at least one active cutting element that contacts the wellbore wall at a cutting element contact location. A contact distance between the pad contact location and the cutting element contact location being 3 in. (7.6 cm) or less.Type: ApplicationFiled: February 14, 2020Publication date: April 14, 2022Inventors: Andrew Mueller, Dennis Patrick Chesnutt, Ke Chen, Xiaoge Gan, Venkatesh Karuppiah
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Patent number: 11215012Abstract: A cutting element may include a substrate, an upper surface of the substrate including a crest, the crest transitioning into a depressed region, and an ultrahard layer on the upper surface, thereby forming a non-planar interface between the ultrahard layer and the substrate. A top surface of the ultrahard layer includes a cutting crest extending along at least a portion of a diameter of the cutting element, the top surface having a portion extending laterally away from the cutting crest having a lesser height than a peak of the cutting crest.Type: GrantFiled: May 13, 2019Date of Patent: January 4, 2022Assignee: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Chen Chen, Huimin Song, Liang Zhao, Youhe Zhang, Michael G. Azar, Xiaoge Gan, Madapusi K. Keshavan, Zhijun Lin, Bala Durairajan, Michael L. Stewart
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Publication number: 20210381318Abstract: A cutting element includes a body, a non-planar cutting face formed on a first end of the body, and an edge formed around a perimeter of the cutting face. The cutting face includes a central raised portion, and the edge has an edge angle defined between the cutting face and a side surface of the body. The edge angle varies around the perimeter of the cutting face and includes an acute edge angle defined by a portion of the cutting face extending downwardly from the edge to a depth from the cutting angle. The portion of the edge defining the acute edge angle may be directly adjacent: a side surface of the cutting element; a bevel of the cutting element; or a flat region at the perimeter of the cutting element or bevel.Type: ApplicationFiled: August 23, 2021Publication date: December 9, 2021Inventors: Xiaoge Gan, Anjie Dong, Gerard Johnson, Michael George Azar, Huimin Song, Youhe Zhang, Venkatesh Karuppiah