ZA200810433B - PCD Cutters with enhanced working surfaces adjacent a cavit - Google Patents

PCD Cutters with enhanced working surfaces adjacent a cavit

Info

Publication number
ZA200810433B
ZA200810433B ZA200810433A ZA200810433A ZA200810433B ZA 200810433 B ZA200810433 B ZA 200810433B ZA 200810433 A ZA200810433 A ZA 200810433A ZA 200810433 A ZA200810433 A ZA 200810433A ZA 200810433 B ZA200810433 B ZA 200810433B
Authority
ZA
South Africa
Prior art keywords
cavit
working surface
working surfaces
surfaces adjacent
substrate
Prior art date
Application number
ZA200810433A
Other languages
English (en)
Inventor
Nigel Dennis Griffin
Peter Raymond Hughes
Original Assignee
Reedhycalog Uk Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Reedhycalog Uk Ltd filed Critical Reedhycalog Uk Ltd
Publication of ZA200810433B publication Critical patent/ZA200810433B/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56—Button-type inserts
    • E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • E21B10/573—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts characterised by support details, e.g. the substrate construction or the interface between the substrate and the cutting element
    • E21B10/5735—Interface between the substrate and the cutting element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/141—Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness
    • B23B27/145—Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness characterised by having a special shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2226/00—Materials of tools or workpieces not comprising a metal
    • B23B2226/31—Diamond
    • B23B2226/315—Diamond polycrystalline [PCD]

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Road Repair (AREA)
  • Turning (AREA)
  • Dicing (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
ZA200810433A 2006-06-20 2008-12-10 PCD Cutters with enhanced working surfaces adjacent a cavit ZA200810433B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0612176.8A GB0612176D0 (en) 2006-06-20 2006-06-20 PDC cutters with enhanced working surfaces

Publications (1)

Publication Number Publication Date
ZA200810433B true ZA200810433B (en) 2010-03-31

Family

ID=36803525

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200810433A ZA200810433B (en) 2006-06-20 2008-12-10 PCD Cutters with enhanced working surfaces adjacent a cavit

Country Status (12)

Country Link
EP (1) EP2029855B1 (de)
CN (1) CN101506459B (de)
AT (1) ATE475775T1 (de)
AU (1) AU2007262758A1 (de)
CA (1) CA2656913C (de)
DE (1) DE602007008094D1 (de)
DK (1) DK2029855T3 (de)
GB (1) GB0612176D0 (de)
MX (1) MX2008016326A (de)
NO (1) NO339011B1 (de)
WO (1) WO2007148060A1 (de)
ZA (1) ZA200810433B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7757792B2 (en) 2008-07-18 2010-07-20 Omni Ip Ltd Method and apparatus for selectively leaching portions of PDC cutters already mounted in drill bits
US20100011673A1 (en) * 2008-07-18 2010-01-21 James Shamburger Method and apparatus for selectively leaching portions of PDC cutters through templates formed in mechanical shields placed over the cutters
US7712553B2 (en) 2008-07-18 2010-05-11 Omni Ip Ltd Method and apparatus for selectively leaching portions of PDC cutters used in drill bits
US8887839B2 (en) 2009-06-25 2014-11-18 Baker Hughes Incorporated Drill bit for use in drilling subterranean formations
EP2452037A2 (de) 2009-07-08 2012-05-16 Baker Hughes Incorporated Schneideelement für einen bohrmeissel zur verwendung bei der bohrung unterirdischer formationen
EP2452036A2 (de) 2009-07-08 2012-05-16 Baker Hughes Incorporated Schneidelement und verfahren zu dessen formung
US8500833B2 (en) 2009-07-27 2013-08-06 Baker Hughes Incorporated Abrasive article and method of forming
CN102126257B (zh) * 2011-03-02 2012-01-18 深圳市海明润实业有限公司 一种表面改性的聚晶金刚石及其加工方法
US11306542B2 (en) 2013-09-11 2022-04-19 Schlumberger Technology Corporation Thermally stable polycrystalline diamond and methods of making the same
WO2017106388A1 (en) * 2015-12-14 2017-06-22 Smith International, Inc. Direct casting of ultrahard insert in bit body
EP3950194A4 (de) * 2019-03-26 2023-03-15 Mitsubishi Materials Corporation Basismaterial für harten sinterpressling, harter sinterpressling und schneidwerkzeug

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IE61697B1 (en) * 1987-12-22 1994-11-16 De Beers Ind Diamond Abrasive product
US5373908A (en) * 1993-03-10 1994-12-20 Baker Hughes Incorporated Chamfered cutting structure for downhole drilling
GB2295837B (en) * 1994-12-10 1998-09-02 Camco Drilling Group Ltd Improvements in or relating to elements faced with superhard material
US6068071A (en) * 1996-05-23 2000-05-30 U.S. Synthetic Corporation Cutter with polycrystalline diamond layer and conic section profile
US5887580A (en) * 1998-03-25 1999-03-30 Smith International, Inc. Cutting element with interlocking feature
BE1012119A3 (fr) * 1998-08-13 2000-05-02 Baroid Technology Inc Couteau, en particulier pour une tete de forage ou de carottage.
GB9820693D0 (en) * 1998-09-24 1998-11-18 Camco Int Uk Ltd Improvements in perform cutting elements for rotary drag-type drill bits
US6258139B1 (en) * 1999-12-20 2001-07-10 U S Synthetic Corporation Polycrystalline diamond cutter with an integral alternative material core
JP4954429B2 (ja) * 2000-09-20 2012-06-13 キャムコ、インターナショナル、（ユーケイ）、リミテッド 触媒物質を枯渇させた表面を有する多結晶ダイヤモンド
EP1190791B1 (de) * 2000-09-20 2010-06-23 Camco International (UK) Limited Polykristalline Diamant-Schneidelemente mit Arbeitsfläche und diese mit veränderlicher Verschleissfesstigkeit bei gleicher Schlagfestigkeit
ATE353271T1 (de) * 2003-05-27 2007-02-15 Element Six Pty Ltd Polykristalline abrasive diamantsegmente
CA2489187C (en) * 2003-12-05 2012-08-28 Smith International, Inc. Thermally-stable polycrystalline diamond materials and compacts

Also Published As

Publication number Publication date
GB0612176D0 (en) 2006-08-02
NO20085336L (no) 2009-03-18
CA2656913A1 (en) 2007-12-27
NO339011B1 (no) 2016-11-07
CA2656913C (en) 2014-06-17
DE602007008094D1 (de) 2010-09-09
DK2029855T3 (da) 2010-11-22
AU2007262758A1 (en) 2007-12-27
MX2008016326A (es) 2009-03-26
CN101506459B (zh) 2012-11-28
ATE475775T1 (de) 2010-08-15
WO2007148060A8 (en) 2009-01-22
EP2029855A1 (de) 2009-03-04
CN101506459A (zh) 2009-08-12
WO2007148060A1 (en) 2007-12-27
EP2029855B1 (de) 2010-07-28

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