公开(公告)号：US10287825B2

公开(公告)日：2019-05-14

申请号：US14613144

申请日：2015-02-03

Applicant: Smith International, Inc.

Inventor： Chen Chen ,  Huimin Song ,  Liang Zhao ,  Youhe Zhang ,  Michael G. Azar ,  Xiaoge Gan ,  Madapusi K. Keshavan ,  Zhijun Lin ,  Bala Durairajan ,  Michael L. Stewart

IPC: E21B10/56 ,  E21B10/567 ,  E21B10/573

Abstract: 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.

公开(公告)号：US09422770B2

公开(公告)日：2016-08-23

申请号：US13728655

申请日：2012-12-27

Applicant: SMITH INTERNATIONAL, INC.

Inventor： J. Daniel Belnap ,  Yahua Bao ,  Youhe Zhang ,  Liang Zhao ,  Zhijun Lin

IPC: E21B10/46 ,  B01J3/06 ,  B23K31/02 ,  E21B10/567 ,  B23K1/00 ,  B23K1/008 ,  B23K1/19

CPC classification number: E21B10/46 ,  B23K1/0008 ,  B23K1/008 ,  B23K1/19 ,  B23K31/025 ,  E21B10/567

Abstract: A method for making a diamond compact includes pre-heating a diamond body which includes a carbonate catalyst to convert at least a portion of the carbonate catalyst into an oxide, assembling the diamond body and a substrate, providing a braze material between the diamond body and the substrate to form a diamond compact, heating the braze material to melt the braze material and form a braze joint between the diamond body and the substrate, and cooling the braze material after increasing the pressure. A bit having a diamond compact including a carbonate catalyst and a metal oxide mounted thereon.

Abstract translation: 制造金刚石致密体的方法包括预先加热包括碳酸酯催化剂的金刚石体，以将至少一部分碳酸酯催化剂转化为氧化物，组装金刚石体和基体，在金刚石体和金刚石体之间提供钎焊材料， 所述基底形成金刚石致密体，加热所述钎焊材料以熔化所述钎焊材料并在所述金刚石体和所述基底之间形成钎焊接头，以及在增加所述压力之后冷却所述钎焊材料。 有点具有安装在其上的碳酸酯催化剂和金属氧化物的金刚石压块。

公开(公告)号：US11215012B2

公开(公告)日：2022-01-04

申请号：US16410135

申请日：2019-05-13

Applicant: Smith International, Inc.

Inventor： Chen Chen ,  Huimin Song ,  Liang Zhao ,  Youhe Zhang ,  Michael G. Azar ,  Xiaoge Gan ,  Madapusi K. Keshavan ,  Zhijun Lin ,  Bala Durairajan ,  Michael L. Stewart

IPC: E21B10/56 ,  E21B10/567 ,  E21B10/573

Abstract: 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.

公开(公告)号：US20190264511A1

公开(公告)日：2019-08-29

申请号：US16410135

申请日：2019-05-13

Applicant: Smith International, Inc.

Inventor： Chen Chen ,  Huimin Song ,  Liang Zhao ,  Youhe Zhang ,  Michael G. Azar ,  Xiaoge Gan ,  Madapusi K. Keshavan ,  Zhijun Lin ,  Bala Durairajan ,  Michael L. Stewart

IPC: E21B10/567 ,  E21B10/573

Abstract: 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.

公开(公告)号：US20160168919A1

公开(公告)日：2016-06-16

申请号：US14957847

申请日：2015-12-03

Applicant: Smith International, Inc.

Inventor： Liang Zhao ,  Xiaoge Gan ,  Yahua Bao ,  Yuri Y. Burhan ,  Youhe Zhang ,  J. Daniel Belnap ,  Zhijun Lin

IPC: E21B10/567 ,  B24D18/00 ,  B24D3/06

CPC classification number: B24D18/0009 ,  B24D3/06 ,  B24D18/0018

Abstract: Methods for joining an ultra-hard body, such as a thermally stable polycrystalline diamond (TSP) body, to a substrate and mitigating the formation of high stress concentration regions between the ultra-hard body and the substrate. One method includes covering at least a portion of the ultra-hard body with an intermediate layer, placing the ultra-hard body and the intermediate layer in a mold, filling a remaining portion of mold with a substrate material including a matrix material and a binder material such that the intermediate layer is disposed between the ultra-hard body and the substrate material, and heating the mold to an infiltration temperature configured to melt the binder material and form the substrate.

Abstract translation: 将超硬体（例如热稳定多晶金刚石（TSP）体）接合到基底上并减轻在超硬体与基底之间形成高应力集中区域的方法。 一种方法包括用中间层覆盖超硬体的至少一部分，将超硬体和中间层放置在模具中，用包括基质材料和粘合剂的基底材料填充模具的剩余部分 材料，使得中间层设置在超硬体和基底材料之间，并且将模具加热到被配置为熔化粘合剂材料并形成基底的浸渗温度。

公开(公告)号：US11814904B2

公开(公告)日：2023-11-14

申请号：US15990997

申请日：2018-05-29

Applicant: Smith International, Inc.

Inventor： Huimin Song ,  Xiaoge Gan ,  Zhijun Lin ,  Ke Chen

IPC: E21B10/567 ,  E21B10/573 ,  E21B10/55 ,  B22F5/00

CPC classification number: E21B10/5673 ,  E21B10/55 ,  E21B10/5735 ,  B22F2005/001 ,  C04B41/009 ,  C04B35/5626 ,  C04B41/53 ,  C04B41/5016 ,  C04B41/52 ,  C04B41/5002

Abstract: 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).

公开(公告)号：US11306542B2

公开(公告)日：2022-04-19

申请号：US14481570

申请日：2014-09-09

Applicant: SMITH INTERNATIONAL, INC.

Inventor： Yahua Bao ,  Liang Zhao ,  J. Daniel Belnap ,  Zhijun Lin

IPC: E21B10/567 ,  E21B10/43 ,  B24D3/10 ,  B24D18/00 ,  E21B10/573 ,  B24D99/00 ,  B24D3/04

Abstract: A method of making a cutting element includes subjecting a mixture of diamond particles and a carbonate material to high-pressure high-temperature sintering conditions to form a sintered carbonate-polycrystalline diamond body having a diamond matrix of diamond grains bonded together and carbonates residing in the interstitial regions between the diamond grains, the carbonate material having a non-uniform distribution throughout the diamond matrix. The carbonate-polycrystalline diamond body is subjected to a controlled temperature, a controlled pressure condition or a combination thereof, to effect an at least partial decomposition of the carbonate material.

公开(公告)号：US10350733B2

公开(公告)日：2019-07-16

申请号：US14957847

申请日：2015-12-03

Applicant: Smith International, Inc.

Inventor： Liang Zhao ,  Xiaoge Gan ,  Yahua Bao ,  Yuri Y. Burhan ,  Youhe Zhang ,  J. Daniel Belnap ,  Zhijun Lin

IPC: B24D18/00 ,  E21B10/56 ,  B24D3/06

Abstract: Methods for joining an ultra-hard body, such as a thermally stable polycrystalline diamond (TSP) body, to a substrate and mitigating the formation of high stress concentration regions between the ultra-hard body and the substrate. One method includes covering at least a portion of the ultra-hard body with an intermediate layer, placing the ultra-hard body and the intermediate layer in a mold, filling a remaining portion of mold with a substrate material including a matrix material and a binder material such that the intermediate layer is disposed between the ultra-hard body and the substrate material, and heating the mold to an infiltration temperature configured to melt the binder material and form the substrate.

公开(公告)号：US20180274303A1

公开(公告)日：2018-09-27

申请号：US15990997

申请日：2018-05-29

Applicant: Smith International, Inc.

Inventor： Huimin Song ,  Xiaoge Gan ,  Zhijun Lin ,  Ke Chen

IPC: E21B10/567 ,  E21B10/573 ,  E21B10/55

Abstract: 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).