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公开(公告)号：US20210215003A1
公开(公告)日：2021-07-15
申请号：US17248105
申请日：2021-01-08
发明人： Manoj Mahajan , John Daniel Belnap , Xiaoge Gan , Yi Fang , Cheng Peng , Lynn Belnap , Youhe Zhang , Michael George Azar , Venkatesh Karuppiah , Anthony LeBaron , Xian Yao
IPC分类号： E21B10/567
摘要： 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.
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2.发明公开公开(公告)号：US20230193697A1
公开(公告)日：2023-06-22
申请号：US18168297
申请日：2023-02-13
发明人： Manoj Mahajan , John Daniel Belnap , Xiaoge Gan , Yi Fang , Cheng Peng , Lynn Belnap , Youhe Zhang , Michael George Azar , Venkatesh Karuppiah , Anthony LeBaron , Xian Yao
IPC分类号： E21B10/567
CPC分类号： E21B10/5673 , E21B10/42
摘要： 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.
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公开(公告)号：US12078016B2
公开(公告)日：2024-09-03
申请号：US18168297
申请日：2023-02-13
发明人： Manoj Mahajan , John Daniel Belnap , Xiaoge Gan , Yi Fang , Cheng Peng , Lynn Belnap , Youhe Zhang , Michael George Azar , Venkatesh Karuppiah , Anthony LeBaron , Xian Yao
IPC分类号： E21B10/567 , E21B10/42 , E21B10/26
CPC分类号： E21B10/5673 , E21B10/26 , E21B10/42
摘要： 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.
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公开(公告)号：US12078015B2
公开(公告)日：2024-09-03
申请号：US17639021
申请日：2020-08-28
发明人： 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
IPC分类号： E21B10/567
CPC分类号： E21B10/5673
摘要： 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.
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公开(公告)号：US11578538B2
公开(公告)日：2023-02-14
申请号：US17248105
申请日：2021-01-08
发明人： Manoj Mahajan , John Daniel Belnap , Xiaoge Gan , Yi Fang , Cheng Peng , Lynn Belnap , Youhe Zhang , Michael George Azar , Venkatesh Karuppiah , Anthony LeBaron , Xian Yao
IPC分类号： E21B10/567 , E21B10/42 , E21B10/26
摘要： 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.
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公开(公告)号：US20220307325A1
公开(公告)日：2022-09-29
申请号：US17639021
申请日：2020-08-28
发明人： 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
IPC分类号： E21B10/567
摘要： 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.
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