公开(公告)号：US20140007512A1

公开(公告)日：2014-01-09

申请号：US14026976

申请日：2013-09-13

申请人： Smith International, Inc.

发明人： J. Daniel Belnap ,  Anthony Griffo ,  Peter Thomas Cariveau ,  Loel Corbett ,  Yahua Bao ,  Gerald Demenna

IPC分类号： E21B10/567

CPC分类号： E21B10/567 ,  C04B35/52 ,  C04B35/5831 ,  C04B2235/386 ,  C04B2235/427

摘要： A method for making a thermally stable cutting element may include forming an acid mixture containing two different acid species by combining an acid solution and at least one acid-forming compound, wherein the at least one acid-forming compound is provided in solid form, and wherein the at least one acid-forming compound produces an acid that is different than the acid solution; treating at least a portion of a sintered diamond body by placing the sintered diamond body in the acid mixture, wherein the sintered diamond body comprises: a matrix phase of bonded-together diamond grains; a plurality of interstitial regions dispersed within the matrix phase; and a metal material disposed within a plurality of the interstitial regions; wherein the treating removes the metal material from at least a portion of the plurality of interstitial regions; and removing the sintered diamond body from the acid mixture after a predetermined length of time, wherein at least a portion of the diamond body removed from the acid mixture is substantially free of the metal material and is a thermally stable diamond body.

摘要翻译： 制造热稳定切割元件的方法可以包括通过组合酸溶液和至少一种酸形成化合物形成含有两种不同酸物质的酸混合物，其中所述至少一种酸形成化合物以固体形式提供，以及 其中所述至少一种酸形成化合物产生不同于酸溶液的酸; 通过将烧结金刚石体置于酸混合物中来处理烧结金刚石体的至少一部分，其中所述烧结金刚石体包括：接合在一起的金刚石晶粒的基体相; 分散在基质相中的多个间隙区域; 以及设置在多个间隙区域内的金属材料; 其中所述处理从所述多个间隙区域的至少一部分去除所述金属材料; 以及在预定的时间长度之后从所述酸性混合物中除去所述烧结金刚石体，其中从所述酸混合物中除去的所述金刚石体的至少一部分基本上不含所述金属材料，并且是热稳定的金刚石体。

公开(公告)号：US11731092B2

公开(公告)日：2023-08-22

申请号：US16420696

申请日：2019-05-23

申请人： Smith International, Inc.

发明人： Yahua Bao ,  J. Daniel Belnap ,  Anatoliy Garan ,  Michael David France

IPC分类号： B01J3/06 ,  B24D18/00 ,  B24D3/00 ,  E21B10/567 ,  C01B32/26 ,  B23B27/20 ,  B22F7/06 ,  C22C26/00 ,  B23B27/14 ,  B22F5/00

CPC分类号： B01J3/06 ,  B22F7/062 ,  B23B27/20 ,  B24D18/0009 ,  C01B32/26 ,  C22C26/00 ,  E21B10/567 ,  B22F2005/001 ,  B22F2999/00 ,  B23B27/148 ,  B24D3/00 ,  B22F2999/00 ,  B22F2303/35

摘要： A method of forming a polycrystalline diamond body includes mixing a sintering agent with diamond powder to form a premixed layer, the sintering agent including at least one alkaline earth metal carbonate; forming an infiltration layer adjacent to the premixed layer, the infiltration layer including an infiltrant material including at least one alkaline earth metal carbonate; and subjecting the premixed layer and the infiltration layer to high pressure high temperature conditions.

公开(公告)号：US11021913B2

公开(公告)日：2021-06-01

申请号：US16061680

申请日：2016-12-14

申请人： Smith International, Inc.

发明人： Yahua Bao ,  John Daniel Belnap

IPC分类号： E21B10/42 ,  E21B10/48 ,  E21B10/54 ,  E21B10/55 ,  E21B10/567 ,  E21B10/573 ,  E21B10/58 ,  B23P15/28

摘要： A cutting bit includes a body, a plurality of blades, and at least one ultrahard insert cast directly into at least one of the plurality of blades. The ultrahard insert is positioned with a rear face directly contacting the blade.

公开(公告)号：US10781643B2

公开(公告)日：2020-09-22

申请号：US16061097

申请日：2016-11-24

申请人： Smith International, Inc.

发明人： Yahua Bao ,  Yi Fang ,  Haibo Zhang ,  John Daniel Belnap ,  Youhe Zhang

IPC分类号： E21B10/55 ,  E21B10/56 ,  E21B10/567

摘要： A cutting element has an ultrahard layer on a substrate, the ultrahard layer having a non-planar working surface. The non-planar working surface is formed from a first region and a second region, where the first region encompasses at least a cutting edge or tip of the cutting element and has a differing composition than the second region.

公开(公告)号：US20190177236A1

公开(公告)日：2019-06-13

申请号：US16309660

申请日：2017-06-27

申请人： Smith International, Inc.

发明人： Yahua Bao

IPC分类号： C04B35/5831 ,  C04B35/645

摘要： A method of sintering a binderless cBN body includes providing a boron nitride particle mixture into a pressure chamber, the boron nitride particle mixture having a first type of boron nitride particles and boron nitride filler particles, and the boron nitride filler particles having a different size and/or type than the first type of boron nitride particles, and sintering the boron nitride particle mixture in the pressure chamber to form the cBN body by generating a pressure in the pressure chamber of less than 7.7 GPa and heating the boron nitride particle mixture to a temperature ranging from about 1900° C. to about 2300° C., wherein the cBN body has a density of at least 97 percent.

公开(公告)号：US10239273B2

公开(公告)日：2019-03-26

申请号：US15899735

申请日：2018-02-20

申请人： Smith International, Inc.

发明人： Yahua Bao ,  J. Daniel Belnap ,  Stewart N. Middlemiss

IPC分类号： B30B11/00 ,  B30B15/00 ,  B01J3/06

摘要： HPHT press system includes a thermal insulation layer. The thermal insulation layer includes CsCl, CsBr, CsI, or a combination thereof, and the thermal insulation layer is electrically insulating. The thermal insulation layer may include a thermal insulation sleeve and/or a thermal insulation button for an HPHT cell.

公开(公告)号：US20180305598A1

公开(公告)日：2018-10-25

申请号：US15770805

申请日：2016-11-01

申请人： Smith International, Inc.

发明人： Guojiang Fan ,  Yahua Bao ,  Jeffrey Bruce Lund

IPC分类号： C09K3/14 ,  C01B32/28 ,  B24D3/08 ,  B24D18/00 ,  B24D99/00 ,  C22C26/00 ,  B22F7/08 ,  E21B10/573

CPC分类号： C09K3/14 ,  B22F7/08 ,  B22F2005/001 ,  B22F2999/00 ,  B24D3/08 ,  B24D18/00 ,  B24D18/0009 ,  B24D99/005 ,  C01B32/28 ,  C22C26/00 ,  C22C2204/00 ,  E21B10/54 ,  E21B10/5735 ,  C22C29/06

摘要： A polycrystalline diamond construction may be made by subjecting diamond grains to a high pressure/high temperature condition in the presence of a catalyst material to form a polycrystalline diamond material comprising a matrix phase of bonded together diamond grains and interstitial regions disposed between the diamond grains including the catalyst material, treating the polycrystalline diamond material to remove the catalyst material therefrom to form a diamond body that is substantially free of the catalyst material, and attaching a substrate to the diamond body with a layer of eruption minimization material having a thickness from about 2 μm to 8 μm on at least one attachment interface surface of the substrate and/or diamond body.

公开(公告)号：US20170122038A1

公开(公告)日：2017-05-04

申请号：US15276183

申请日：2016-09-26

申请人： Smith International, Inc.

发明人： Yahua Bao ,  Anatoliy Garan ,  Michael David France ,  John Daniel Belnap

IPC分类号： E21B10/567 ,  B24D3/04

CPC分类号： E21B10/567 ,  B24D3/04 ,  B24D18/0009 ,  E21B10/46

摘要： A method of making a polycrystalline diamond compact includes forming multiple layers of premixed diamond particles and carbonate material, where the carbonate material includes an alkaline earth metal carbonate, and where each layer has a weight percent ratio of diamond to carbonate that is different from adjacent layers. The layers are subjected to high pressure high temperature conditions to form polycrystalline diamond.

公开(公告)号：US20140130418A1

公开(公告)日：2014-05-15

申请号：US14079763

申请日：2013-11-14

申请人： Smith International, Inc.

发明人： Yahua Bao ,  Anatoliy Garan ,  Michael David France ,  J. Daniel Belnap

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

CPC分类号： B01J3/06 ,  B22F7/062 ,  B22F2005/001 ,  B22F2999/00 ,  B23B27/148 ,  B23B27/20 ,  B24D3/00 ,  B24D18/0009 ,  C01B32/26 ,  C22C26/00 ,  E21B10/567 ,  B22F2303/35

摘要： A method of forming a polycrystalline diamond body includes mixing a sintering agent with diamond powder to form a premixed layer, the sintering agent including at least one alkaline eat mewl carbonate; forming an infiltration layer adjacent to the premixed layer, the infiltration layer including an infiltrant material including at least one alkaline earth metal carbonate; and subjecting the premixed layer and the infiltration layer to high pressure high temperature conditions.

摘要翻译： 形成多晶金刚石体的方法包括将烧结剂与金刚石粉末混合以形成预混合层，所述烧结剂包括至少一种碱性碳酸钙; 形成与所述预混合层相邻的渗透层，所述浸渗层包括含有至少一种碱土金属碳酸盐的渗透材料; 并将预混合层和浸渗层进行高压高温条件。

公开(公告)号：US11066334B2

公开(公告)日：2021-07-20

申请号：US16309660

申请日：2017-06-27

申请人： Smith International, Inc.

发明人： Yahua Bao

IPC分类号： C04B35/645 ,  C04B35/58 ,  C04B35/583 ,  C04B35/5831 ,  C04B35/5833 ,  C04B35/64

摘要： A method of sintering a binderless cBN body includes providing a boron nitride particle mixture into a pressure chamber, the boron nitride particle mixture having a first type of boron nitride particles and boron nitride filler particles, and the boron nitride filler particles having a different size and/or type than the first type of boron nitride particles, and sintering the boron nitride particle mixture in the pressure chamber to form the cBN body by generating a pressure in the pressure chamber of less than 7.7 GPa and heating the boron nitride particle mixture to a temperature ranging from about 1900° C. to about 2300° C., wherein the cBN body has a density of at least 97 percent.