US6401844B1
(en)
*
|
1998-12-03 |
2002-06-11 |
Baker Hughes Incorporated |
Cutter with complex superabrasive geometry and drill bits so equipped
|
US6599062B1
(en)
*
|
1999-06-11 |
2003-07-29 |
Kennametal Pc Inc. |
Coated PCBN cutting inserts
|
US6530441B1
(en)
*
|
2000-06-27 |
2003-03-11 |
Smith International, Inc. |
Cutting element geometry for roller cone drill bit
|
US6846341B2
(en)
*
|
2002-02-26 |
2005-01-25 |
Smith International, Inc. |
Method of forming cutting elements
|
US20050247486A1
(en)
*
|
2004-04-30 |
2005-11-10 |
Smith International, Inc. |
Modified cutters
|
US7726420B2
(en)
*
|
2004-04-30 |
2010-06-01 |
Smith International, Inc. |
Cutter having shaped working surface with varying edge chamfer
|
US7316279B2
(en)
|
2004-10-28 |
2008-01-08 |
Diamond Innovations, Inc. |
Polycrystalline cutter with multiple cutting edges
|
US7448115B2
(en)
*
|
2005-01-18 |
2008-11-11 |
Illinois Tool Works Inc. |
Modular attachment assembly
|
US7942218B2
(en)
*
|
2005-06-09 |
2011-05-17 |
Us Synthetic Corporation |
Cutting element apparatuses and drill bits so equipped
|
US7363992B2
(en)
*
|
2006-07-07 |
2008-04-29 |
Baker Hughes Incorporated |
Cutters for downhole cutting devices
|
CA2675572C
(en)
*
|
2007-01-31 |
2015-06-23 |
Halliburton Energy Services, Inc. |
Rotary drill bits with protected cutting elements and methods
|
GB0716268D0
(en)
*
|
2007-08-21 |
2007-09-26 |
Reedhycalog Uk Ltd |
PDC cutter with stress diffusing structures
|
US8783387B2
(en)
*
|
2008-09-05 |
2014-07-22 |
Smith International, Inc. |
Cutter geometry for high ROP applications
|
US8833492B2
(en)
*
|
2008-10-08 |
2014-09-16 |
Smith International, Inc. |
Cutters for fixed cutter bits
|
GB2467570B
(en)
*
|
2009-02-09 |
2012-09-19 |
Reedhycalog Uk Ltd |
Cutting element
|
US8087478B2
(en)
*
|
2009-06-05 |
2012-01-03 |
Baker Hughes Incorporated |
Cutting elements including cutting tables with shaped faces configured to provide continuous effective positive back rake angles, drill bits so equipped and methods of drilling
|
US8739904B2
(en)
*
|
2009-08-07 |
2014-06-03 |
Baker Hughes Incorporated |
Superabrasive cutters with grooves on the cutting face, and drill bits and drilling tools so equipped
|
US8327955B2
(en)
*
|
2009-06-29 |
2012-12-11 |
Baker Hughes Incorporated |
Non-parallel face polycrystalline diamond cutter and drilling tools so equipped
|
US8945720B2
(en)
*
|
2009-08-06 |
2015-02-03 |
National Oilwell Varco, L.P. |
Hard composite with deformable constituent and method of applying to earth-engaging tool
|
US20110171414A1
(en)
*
|
2010-01-14 |
2011-07-14 |
National Oilwell DHT, L.P. |
Sacrificial Catalyst Polycrystalline Diamond Element
|
US8974562B2
(en)
|
2010-04-14 |
2015-03-10 |
Baker Hughes Incorporated |
Method of making a diamond particle suspension and method of making a polycrystalline diamond article therefrom
|
US9776151B2
(en)
|
2010-04-14 |
2017-10-03 |
Baker Hughes Incorporated |
Method of preparing polycrystalline diamond from derivatized nanodiamond
|
US10005672B2
(en)
|
2010-04-14 |
2018-06-26 |
Baker Hughes, A Ge Company, Llc |
Method of forming particles comprising carbon and articles therefrom
|
US9079295B2
(en)
|
2010-04-14 |
2015-07-14 |
Baker Hughes Incorporated |
Diamond particle mixture
|
US9205531B2
(en)
|
2011-09-16 |
2015-12-08 |
Baker Hughes Incorporated |
Methods of fabricating polycrystalline diamond, and cutting elements and earth-boring tools comprising polycrystalline diamond
|
SA111320374B1
(ar)
|
2010-04-14 |
2015-08-10 |
بيكر هوغيس انكوبوريتد |
طريقة تشكيل الماسة متعدد البلورات من الماس المستخرج بحجم النانو
|
BR112012027211A2
(pt)
|
2010-04-23 |
2017-07-18 |
Bayer Hughes Incorporated |
elementos de corte para ferramentas de sondagem da terra, ferramentas de sondagem da terra incluindo tais elementos de corte e métodos relacionados.
|
WO2011139903A2
(en)
|
2010-05-03 |
2011-11-10 |
Baker Hughes Incorporated |
Cutting elements, earth-boring tools, and methods of forming such cutting elements and tools
|
US8919463B2
(en)
|
2010-10-25 |
2014-12-30 |
National Oilwell DHT, L.P. |
Polycrystalline diamond cutting element
|
RU2476660C2
(ru)
*
|
2010-11-30 |
2013-02-27 |
Открытое акционерное общество "Волгабурмаш" (ОАО "Волгабурмаш") |
Алмазное одношарошечное буровое долото
|
US8997900B2
(en)
|
2010-12-15 |
2015-04-07 |
National Oilwell DHT, L.P. |
In-situ boron doped PDC element
|
US8507082B2
(en)
|
2011-03-25 |
2013-08-13 |
Kennametal Inc. |
CVD coated polycrystalline c-BN cutting tools
|
US9482057B2
(en)
|
2011-09-16 |
2016-11-01 |
Baker Hughes Incorporated |
Cutting elements for earth-boring tools, earth-boring tools including such cutting elements and related methods
|
US8991525B2
(en)
|
2012-05-01 |
2015-03-31 |
Baker Hughes Incorporated |
Earth-boring tools having cutting elements with cutting faces exhibiting multiple coefficients of friction, and related methods
|
US9103174B2
(en)
|
2011-04-22 |
2015-08-11 |
Baker Hughes Incorporated |
Cutting elements for earth-boring tools, earth-boring tools including such cutting elements and related methods
|
US9428966B2
(en)
|
2012-05-01 |
2016-08-30 |
Baker Hughes Incorporated |
Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods
|
US9243452B2
(en)
|
2011-04-22 |
2016-01-26 |
Baker Hughes Incorporated |
Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods
|
US9650837B2
(en)
|
2011-04-22 |
2017-05-16 |
Baker Hughes Incorporated |
Multi-chamfer cutting elements having a shaped cutting face and earth-boring tools including such cutting elements
|
US9062505B2
(en)
|
2011-06-22 |
2015-06-23 |
Us Synthetic Corporation |
Method for laser cutting polycrystalline diamond structures
|
RU2014114867A
(ru)
|
2011-09-16 |
2015-10-27 |
Бейкер Хьюз Инкорпорейтед |
Способы изготовления поликристаллического алмаза, а также режущих элементов и буровых инструментов, содержащих поликристаллический алмаз
|
GB201205673D0
(en)
*
|
2012-03-30 |
2012-05-16 |
Element Six Abrasives Sa |
Polycrystalline superhard material and method of making same
|
CA2882310C
(en)
*
|
2012-08-29 |
2017-10-31 |
National Oilwell DHT, L.P. |
Cutting insert for a rock drill bit
|
CN103031521B
(zh)
*
|
2012-12-19 |
2015-04-01 |
绍兴文理学院 |
一种抗粘着微切削刀具制造方法
|
US9028953B2
(en)
|
2013-01-11 |
2015-05-12 |
Kennametal Inc. |
CVD coated polycrystalline c-BN cutting tools
|
US9140072B2
(en)
|
2013-02-28 |
2015-09-22 |
Baker Hughes Incorporated |
Cutting elements including non-planar interfaces, earth-boring tools including such cutting elements, and methods of forming cutting elements
|
GB201305873D0
(en)
*
|
2013-03-31 |
2013-05-15 |
Element Six Abrasives Sa |
Superhard constructions & method of making same
|
US9534450B2
(en)
|
2013-07-22 |
2017-01-03 |
Baker Hughes Incorporated |
Thermally stable polycrystalline compacts for reduced spalling, earth-boring tools including such compacts, and related methods
|
US9845642B2
(en)
*
|
2014-03-17 |
2017-12-19 |
Baker Hughes Incorporated |
Cutting elements having non-planar cutting faces with selectively leached regions, earth-boring tools including such cutting elements, and related methods
|
US9605488B2
(en)
|
2014-04-08 |
2017-03-28 |
Baker Hughes Incorporated |
Cutting elements including undulating boundaries between catalyst-containing and catalyst-free regions of polycrystalline superabrasive materials and related earth-boring tools and methods
|
US9714545B2
(en)
|
2014-04-08 |
2017-07-25 |
Baker Hughes Incorporated |
Cutting elements having a non-uniform annulus leach depth, earth-boring tools including such cutting elements, and related methods
|
EP3546692B1
(de)
*
|
2014-04-16 |
2021-03-17 |
National Oilwell DHT, L.P. |
Bohrlochmeisselschneidelement mit abgeschrägter kante
|
US9863189B2
(en)
|
2014-07-11 |
2018-01-09 |
Baker Hughes Incorporated |
Cutting elements comprising partially leached polycrystalline material, tools comprising such cutting elements, and methods of forming wellbores using such cutting elements
|
CN107109901A
(zh)
|
2015-01-26 |
2017-08-29 |
哈利伯顿能源服务公司 |
旋转超硬切削元件
|
US10465447B2
(en)
|
2015-03-12 |
2019-11-05 |
Baker Hughes, A Ge Company, Llc |
Cutting elements configured to mitigate diamond table failure, earth-boring tools including such cutting elements, and related methods
|
WO2017053475A1
(en)
*
|
2015-09-21 |
2017-03-30 |
National Oilwell DHT, L.P. |
Downhole drill bit with balanced cutting elements and method for making and using same
|
GB2562392B
(en)
*
|
2016-01-28 |
2021-08-04 |
Nat Oilwell Dht Lp |
Systems and methods of fabrication and use of wear-resistant materials
|
CN108884706B
(zh)
*
|
2016-03-31 |
2021-05-04 |
斯伦贝谢技术有限公司 |
多脊切削元件
|
CN106089091A
(zh)
*
|
2016-08-15 |
2016-11-09 |
中石化石油机械股份有限公司江钻分公司 |
一种切削刃长度递减的金刚石复合片
|
US10400517B2
(en)
|
2017-05-02 |
2019-09-03 |
Baker Hughes, A Ge Company, Llc |
Cutting elements configured to reduce impact damage and related tools and methods
|
US10830000B2
(en)
*
|
2018-04-25 |
2020-11-10 |
National Oilwell Varco, L.P. |
Extrudate-producing ridged cutting element
|
USD951313S1
(en)
|
2018-07-12 |
2022-05-10 |
Halliburton Energy Services, Inc. |
PDC cutter
|
US11105158B2
(en)
|
2018-07-12 |
2021-08-31 |
Halliburton Energy Services, Inc. |
Drill bit and method using cutter with shaped channels
|
CN108661565B
(zh)
*
|
2018-07-13 |
2021-11-16 |
中石化江钻石油机械有限公司 |
一种多脊金刚石复合片
|
US10570668B2
(en)
|
2018-07-27 |
2020-02-25 |
Baker Hughes, A Ge Company, Llc |
Cutting elements configured to reduce impact damage and mitigate polycrystalline, superabrasive material failure earth-boring tools including such cutting elements, and related methods
|
US10577870B2
(en)
|
2018-07-27 |
2020-03-03 |
Baker Hughes, A Ge Company, Llc |
Cutting elements configured to reduce impact damage related tools and methods—alternate configurations
|
US11598153B2
(en)
*
|
2018-09-10 |
2023-03-07 |
National Oilwell Varco, L.P. |
Drill bit cutter elements and drill bits including same
|
USD911399S1
(en)
|
2018-12-06 |
2021-02-23 |
Halliburton Energy Services, Inc. |
Innermost cutter for a fixed-cutter drill bit
|
WO2020117350A1
(en)
|
2018-12-06 |
2020-06-11 |
Halliburton Energy Services, Inc. |
Inner cutter for drilling
|
USD924949S1
(en)
|
2019-01-11 |
2021-07-13 |
Us Synthetic Corporation |
Cutting tool
|
US11255129B2
(en)
*
|
2019-01-16 |
2022-02-22 |
Ulterra Drilling Technologies, L.P. |
Shaped cutters
|
CN110500039A
(zh)
|
2019-07-10 |
2019-11-26 |
河南四方达超硬材料股份有限公司 |
带延伸的聚晶金刚石复合片
|
WO2021006912A1
(en)
*
|
2019-07-11 |
2021-01-14 |
Halliburton Energy Services, Inc. |
Drill bit cutter
|
CN113738285A
(zh)
*
|
2020-05-27 |
2021-12-03 |
中国石油天然气集团有限公司 |
具有切削脊和倾斜切削面的复合片及pdc钻头
|
USD1026979S1
(en)
|
2020-12-03 |
2024-05-14 |
Us Synthetic Corporation |
Cutting tool
|
US11719050B2
(en)
|
2021-06-16 |
2023-08-08 |
Baker Hughes Oilfield Operations Llc |
Cutting elements for earth-boring tools and related earth-boring tools and methods
|
USD1006074S1
(en)
|
2021-10-14 |
2023-11-28 |
Sf Diamond Co., Ltd. |
Polycrystalline diamond compact with a raised triangular structure
|
USD1026980S1
(en)
*
|
2021-10-14 |
2024-05-14 |
Sf Diamond Co., Ltd. |
Polycrystalline diamond compact with a raised surface and groove therein
|
USD1026981S1
(en)
*
|
2021-10-14 |
2024-05-14 |
Sf Diamond Co., Ltd. |
Polycrystalline diamond compact with a tripartite raised surface
|
USD997219S1
(en)
|
2021-10-14 |
2023-08-29 |
Sf Diamond Co., Ltd. |
Polycrystalline diamond compact with a double-layer structure
|
USD1006073S1
(en)
|
2021-10-14 |
2023-11-28 |
Sf Diamond Co., Ltd. |
Polycrystalline diamond compact with a raised surface sloping to a peripheral extension
|
WO2023225304A1
(en)
*
|
2022-05-19 |
2023-11-23 |
National Oilwell Varco, L.P. |
Fixed cutter drill bits and cutter elements with secondary cutting edges for same
|
US11920409B2
(en)
|
2022-07-05 |
2024-03-05 |
Baker Hughes Oilfield Operations Llc |
Cutting elements, earth-boring tools including the cutting elements, and methods of forming the earth-boring tools
|