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1. 发明授权

US08893828B2 High strength infiltrated matrix body using fine grain dispersions 有权
标题翻译：高强度渗透基体使用细粒分散体
公开(公告)号：US08893828B2
公开(公告)日：2014-11-25
申请号：US12949290
申请日：2010-11-18
申请人： Gregory T. Lockwood , Madapusi K. Keshavan , Anthony Griffo
发明人： Gregory T. Lockwood , Madapusi K. Keshavan , Anthony Griffo
IPC分类号： E21B10/36 , E21B10/46 , B29C43/00 , E21B10/573 , C22C1/10 , B22F5/00 , B29K503/04
CPC分类号： E21B10/573 , B22F2005/001 , B29C43/003 , B29K2503/04 , C22C1/1068 , E21B10/46
摘要： A drill bit may include a bit body having a plurality of blades extending radially therefrom and at least one cutting element for engaging a formation disposed on at least one of the plurality of blades. The bit body has a continuous infiltration binder and a plurality of carbide particles dispersed in the continuous infiltration binder, wherein at least a portion of the plurality of carbide particles and at least a portion of the continuous infiltration binder form a first carbide matrix region, and wherein the plurality of carbide particles forming the first carbide matrix region have an average grain sizes of less than about 44 microns.
摘要翻译：钻头可以包括具有从其径向延伸的多个叶片的钻头体和用于接合布置在多个叶片中的至少一个上的结构的至少一个切割元件。钻头体具有连续渗透粘合剂和分散在连续渗透粘合剂中的多个碳化物颗粒，其中多个碳化物颗粒的至少一部分和连续渗透粘合剂的至少一部分形成第一碳化物基质区域，以及其中形成所述第一碳化物基质区域的所述多个碳化物颗粒的平均粒度小于约44微米。

2. 发明申请

US20110120781A1 HIGH STRENGTH INFILTRATED MATRIX BODY USING FINE GRAIN DISPERSIONS 有权
标题翻译：使用精细粒度分布的高强度渗透矩阵体
公开(公告)号：US20110120781A1
公开(公告)日：2011-05-26
申请号：US12949290
申请日：2010-11-18
申请人： Gregory T. Lockwood , Madapusi K. Keshavan , Anthony Griffo
发明人： Gregory T. Lockwood , Madapusi K. Keshavan , Anthony Griffo
IPC分类号： E21B10/36 , B29C43/52 , B29C67/20
CPC分类号： E21B10/573 , B22F2005/001 , B29C43/003 , B29K2503/04 , C22C1/1068 , E21B10/46
摘要： A drill bit may include a bit body having a plurality of blades extending radially therefrom, the bit body comprising a continuous infiltration binder and a plurality of carbide particles dispersed in the continuous infiltration binder, wherein at least a portion of the plurality of carbide particles and at least a portion of the continuous infiltration binder form a first carbide matrix region, wherein the plurality of carbide particles forming the first carbide matrix region have an average grain sizes of less than about 44 microns; and at least one cutting element for engaging a formation disposed on at least one of the plurality of blades.
摘要翻译：钻头可以包括具有从其径向延伸的多个叶片的钻头体，钻头体包括连续渗透粘合剂和分散在连续渗透粘结剂中的多个碳化物颗粒，其中多个碳化物颗粒的至少一部分和所述连续渗透粘合剂的至少一部分形成第一碳化物基质区域，其中形成所述第一碳化物基质区域的所述多个碳化物颗粒的平均粒度小于约44微米; 以及用于接合设置在所述多个叶片中的至少一个叶片上的地层的至少一个切割元件。

3. 发明授权

US07845059B2 Method of forming impregnated diamond cutting structures 有权
标题翻译：形成浸渍金刚石切割结构的方法
公开(公告)号：US07845059B2
公开(公告)日：2010-12-07
申请号：US12021131
申请日：2008-01-28
申请人： Gregory T. Lockwood , Thomas W. Oldham , Anthony Griffo , Madapusi K. Keshavan , David A. Conroy
发明人： Gregory T. Lockwood , Thomas W. Oldham , Anthony Griffo , Madapusi K. Keshavan , David A. Conroy
IPC分类号： B23P25/00 , B22F3/12
CPC分类号： C22C26/00 , B22F2005/001 , C22C2026/006 , E21B10/46 , Y10T29/49885
摘要： An insert for a drill bit that includes diamond particles disposed in a matrix material, wherein the diamond particles have a contiguity of 15% or less is disclosed. A method of forming a diamond-impregnated cutting structure, that includes loading a plurality of substantially uniformly coated diamond particles into a mold cavity, pre-compacting the substantially uniformly coated diamond particles using a cold-press cycle, and heating the compacted, substantially uniformly coated diamond particles with a matrix material to form the diamond impregnated cutting structure is also disclosed.
摘要翻译：一种用于钻头的插入件，其包括设置在基体材料中的金刚石颗粒，其中所述金刚石颗粒的接缝度为15％以下。一种形成金刚石浸渍的切割结构的方法，其包括将多个基本均匀涂覆的金刚石颗粒加载到模具腔中，使用冷压循环对大致均匀涂覆的金刚石颗粒进行预压实，并加热压实的基本均匀的还公开了具有基质材料以形成金刚石浸渍切割结构的涂覆金刚石颗粒。

4. 发明授权

US10132121B2 Polycrystalline diamond constructions having improved thermal stability 有权
公开(公告)号：US10132121B2
公开(公告)日：2018-11-20
申请号：US13085089
申请日：2011-04-12
申请人： Madapusi K. Keshavan , Ronald K. Eyre , Anthony Griffo , Peter Thomas Cariveau
发明人： Madapusi K. Keshavan , Ronald K. Eyre , Anthony Griffo , Peter Thomas Cariveau
IPC分类号： B24D3/10 , B01J3/06 , E21B10/55 , C22C1/05 , C22C26/00 , E21B10/567
摘要： A method for making a polycrystalline diamond construction is disclosed, which includes the steps of treating a polycrystalline diamond body having a plurality of bonded together diamond crystals and a solvent catalyst material to remove the solvent catalyst material therefrom, wherein the solvent catalyst material is disposed within interstitial regions between the bonded together diamond crystals, replacing the removed solvent catalyst material with a replacement material, and treating the body having the replacement material to remove substantially all of the replacement material from a first region of the body extending a depth from a body surface, and allowing the remaining amount of the replacement material to reside in a second region of the body that is remote from the surface.

5. 发明申请

US20090173015A1 Polycrystalline Diamond Constructions Having Improved Thermal Stability 审中-公开
标题翻译：具有改善热稳定性的多晶金刚石结构
公开(公告)号：US20090173015A1
公开(公告)日：2009-07-09
申请号：US12399369
申请日：2009-03-06
申请人： Madapusi K. Keshavan , Anthony Griffo , Yuelin Shen , Youhe Zhang
发明人： Madapusi K. Keshavan , Anthony Griffo , Yuelin Shen , Youhe Zhang
IPC分类号： E21B10/46 , C04B37/00 , B01J3/06
CPC分类号： B24D18/00 , B01J3/062 , B01J2203/062 , B01J2203/0655 , B01J2203/0685 , C04B35/645 , C04B37/026 , C04B2237/363 , C04B2237/401 , C04B2237/61 , Y10T156/10 , Y10T428/31678
摘要： Polycrystalline diamond constructions include a diamond body comprising a matrix phase of bonded together diamond crystals formed at high pressure/high temperature conditions with a catalyst material. The sintered body is treated remove the catalyst material disposed within interstitial regions, rendering it substantially free of the catalyst material used to initially sinter the body. Accelerating techniques can be used to remove the catalyst material. The body includes an infiltrant material disposed within interstitial regions in a first region of the construction. The body includes a second region adjacent the working surface and that is substantially free of the infiltrant material. The infiltrant material can be a Group VIII material not used to initially sinter the diamond body. A metallic substrate is attached to the diamond body, and can be the same or different from a substrate used as a source of the catalyst material used to initially sinter the diamond body.
摘要翻译：多晶金刚石结构包括金刚石体，其包括在高压/高温条件下与催化剂材料结合的金刚石晶体的基体相。处理烧结体去除设置在间隙区域内的催化剂材料，使其基本上不含用于初始烧结体的催化剂材料。可以使用加速技术来除去催化剂材料。身体包括设置在构造的第一区域中的间隙区域内的渗透材料。主体包括邻近工作表面的第二区域，其基本上不含渗透材料。渗透材料可以是不用于初始烧结钻石体的VIII族材料。金属基底附接到金刚石体，并且可以与用作初始烧结金刚石体的催化剂材料的源的基底相同或不同。

6. 发明授权

US08499861B2 Ultra-hard composite constructions comprising high-density diamond surface 有权
标题翻译：包括高密度金刚石表面的超硬复合结构
公开(公告)号：US08499861B2
公开(公告)日：2013-08-06
申请号：US11857334
申请日：2007-09-18
申请人： Madapusi K. Keshavan , Anthony Griffo
发明人： Madapusi K. Keshavan , Anthony Griffo
IPC分类号： E21B10/46
CPC分类号： E21B10/46 , C04B35/52 , C04B35/62802 , C04B35/62892 , C04B35/6316 , C04B35/645 , C04B2235/3826 , C04B2235/424 , C04B2235/428 , C04B2235/80 , C22C2204/00 , E21B10/573
摘要： Ultra-hard composite constructions comprise an ultra-hard body having a plurality of diamond crystals bonded to one another by a carbide reaction product. A reactant material is selected from materials that are strong carbide formers to form a carbide reaction product with diamond at HPHT conditions. The body includes a high-density diamond region positioned along a surface portion of the body and that is substantially exclusively diamond, and that has a diamond volume content of 95 to 99 percent or more. The high-density diamond region can form a working surface of the composite construction. A substrate can be attached to the body, thereby forming a compact, and can include metallic materials, ceramic materials, carbides, nitrides, cermets, and mixtures thereof. An intermediate layer can be interposed between the body and the substrate depending on the substrate and/or method of attaching the same.
摘要翻译：超硬复合结构包括具有通过碳化物反应产物彼此结合的多个金刚石晶体的超硬体。反应物料选自强硬的碳化物形成材料，以在HPHT条件下与金刚石形成碳化物反应产物。身体包括沿着身体的表面部分定位的高密度金刚石区域，其基本上仅为金刚石，并且具有95％至99％或更高的金刚石体积含量。高密度金刚石区域可以形成复合结构的工作面。基体可以附着到主体上，从而形成紧凑的，并且可以包括金属材料，陶瓷材料，碳化物，氮化物，金属陶瓷及其混合物。中间层可以根据基板和/或其附着方法插入在主体和基板之间。

7. 发明授权

US08470060B2 Manufacture of thermally stable cutting elements 有权
标题翻译：热稳定切割元件的制造
公开(公告)号：US08470060B2
公开(公告)日：2013-06-25
申请号：US13155043
申请日：2011-06-07
申请人： Anthony Griffo , Madapusi K. Keshavan
发明人： Anthony Griffo , Madapusi K. Keshavan
IPC分类号： B24D3/00 , B24D3/02 , E21B10/36
CPC分类号： B24D18/00 , B01J3/062 , B01J2203/062 , B01J2203/0655 , B01J2203/0685 , C04B35/645 , C04B37/026 , C04B2237/363 , C04B2237/401 , C04B2237/61 , Y10T156/10 , Y10T428/31678
摘要： A method of forming a thermally stable cutting element that includes disposing at least a portion of a polycrystalline abrasive body containing a catalyzing material to be leached into a leaching agent; and subjecting the polycrystalline abrasive object to an elevated temperature and pressure is disclosed. Thermally stable cutting elements and systems and other methods for forming thermally stable cutting elements are also disclosed.
摘要翻译：一种形成热稳定的切割元件的方法，其包括将含有要浸出的催化材料的多晶磨料体的至少一部分设置在浸出剂中; 并且公开了使多晶磨料物体处于升高的温度和压力。还公开了热稳定的切割元件和系统以及用于形成热稳定切割元件的其它方法。

8. 发明授权

US07493973B2 Polycrystalline diamond materials having improved abrasion resistance, thermal stability and impact resistance 有权
标题翻译：具有改善的耐磨性，热稳定性和耐冲击性的多晶金刚石材料
公开(公告)号：US07493973B2
公开(公告)日：2009-02-24
申请号：US11140615
申请日：2005-05-26
申请人： Madapusi K. Keshavan , Youhe Zhang , Yuelin Shen , Anthony Griffo , Michael Janssen
发明人： Madapusi K. Keshavan , Youhe Zhang , Yuelin Shen , Anthony Griffo , Michael Janssen
IPC分类号： E21B10/46
CPC分类号： E21B10/55 , B01J3/06 , B01J3/062 , B01J2203/062 , B01J2203/0655 , B01J2203/0685 , B24D3/10 , B24D18/0009 , C01B32/25 , E21B10/567 , E21B2010/563 , Y10T428/30
摘要： PCD materials comprise a diamond body having bonded diamond crystals and interstitial regions disposed among the crystals. The diamond body is formed from diamond grains and a catalyst material at high pressure/high temperature conditions. The diamond grains have an average particle size of about 0.03 mm or greater. At least a portion of the diamond body has a high diamond volume content of greater than about 93 percent by volume. The entire diamond body can comprise high volume content diamond or a region of the diamond body can comprise the high volume content diamond. The diamond body includes a working surface, a first region substantially free of the catalyst material, and a second region that includes the catalyst material. At least a portion of the first region extends from the working surface to depth of from about 0.01 to about 0.1 mm.
摘要翻译： PCD材料包括具有结合的金刚石晶体和布置在晶体之间的间隙区域的金刚石体。金刚石体在高压/高温条件下由金刚石晶粒和催化剂材料形成。金刚石晶粒的平均粒径为约0.03mm以上。金刚石体的至少一部分具有大于约93体积％的高金刚石体积含量。整个钻石体可以包括高体积的钻石，或者金刚石体的区域可以包括高体积的钻石。金刚石体包括工作表面，基本上不含催化剂材料的第一区域和包括催化剂材料的第二区域。第一区域的至少一部分从工作表面延伸至约0.01至约0.1mm的深度。

9. 发明申请

US20080223623A1 POLYCRYSTALLINE DIAMOND CONSTRUCTIONS HAVING IMPROVED THERMAL STABILITY 有权
标题翻译：具有改进的热稳定性的多晶金刚石构造
公开(公告)号：US20080223623A1
公开(公告)日：2008-09-18
申请号：US12026398
申请日：2008-02-05
申请人： Madapusi K. Keshavan , Anthony Griffo , Yuelin Shen , Youhe Zhang
发明人： Madapusi K. Keshavan , Anthony Griffo , Yuelin Shen , Youhe Zhang
IPC分类号： E21B10/52 , C01B31/06 , B32B15/04 , B29C65/00 , B32B37/00
CPC分类号： B24D18/00 , B01J3/062 , B01J2203/062 , B01J2203/0655 , B01J2203/0685 , C04B35/645 , C04B37/026 , C04B2237/363 , C04B2237/401 , C04B2237/61 , Y10T156/10 , Y10T428/31678
摘要： Polycrystalline diamond constructions include a diamond body comprising a matrix phase of bonded together diamond crystals formed at high pressure/high temperature conditions with a catalyst material. The sintered body is treated remove the catalyst material disposed within interstitial regions, rendering it substantially free of the catalyst material used to initially sinter the body. Accelerating techniques can be used to remove the catalyst material. The body includes an infiltrant material disposed within interstitial regions in a first region of the construction. The body includes a second region adjacent the working surface and that is substantially free of the infiltrant material. The infiltrant material can be a Group VIII material not used to initially sinter the diamond body. A metallic substrate is attached to the diamond body, and can be the same or different from a substrate used as a source of the catalyst material used to initially sinter the diamond body.
摘要翻译：多晶金刚石结构包括金刚石体，其包括在高压/高温条件下与催化剂材料结合的金刚石晶体的基体相。处理烧结体去除设置在间隙区域内的催化剂材料，使其基本上不含用于初始烧结体的催化剂材料。可以使用加速技术来除去催化剂材料。身体包括设置在构造的第一区域中的间隙区域内的渗透材料。主体包括邻近工作表面的第二区域，其基本上不含渗透材料。渗透材料可以是不用于初始烧结钻石体的VIII族材料。金属基底附接到金刚石体，并且可以与用作初始烧结金刚石体的催化剂材料的源的基底相同或不同。

10. 发明申请

US20080179104A1 NANO-REINFORCED WC-CO FOR IMPROVED PROPERTIES 审中-公开
标题翻译：纳米增强WC-CO改善性能
公开(公告)号：US20080179104A1
公开(公告)日：2008-07-31
申请号：US11939320
申请日：2007-11-13
申请人： Youhe Zhang , Guodong Zhan , Xiayang Sheng , Alan W. Lockstedt , Anthony Griffo , Yuelin Shen , Hong Deng , Madapusi K. Keshavan
发明人： Youhe Zhang , Guodong Zhan , Xiayang Sheng , Alan W. Lockstedt , Anthony Griffo , Yuelin Shen , Hong Deng , Madapusi K. Keshavan
IPC分类号： E21B10/08
CPC分类号： C22C29/06 , B22F1/0025 , B82Y30/00
摘要： A drill bit that includes a bit body; and at least one cutting element for engaging the formation disposed on the bit body, the at least one cutting element comprising: a ductile phase; a plurality of carbide particles dispersed in the ductile phase; and a plurality of nanotubes integrated into the cutting element is disclosed.
摘要翻译：钻头包括一个位体; 以及用于接合设置在钻头体上的地层的至少一个切割元件，所述至少一个切割元件包括：延性相; 分散在延性相中的多个碳化物颗粒; 并且公开了集成到切割元件中的多个纳米管。

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