ES2047280T3 - Herramienta compuesta que comporta una parte activa en diamante policristalino. - Google Patents

Herramienta compuesta que comporta una parte activa en diamante policristalino.

Info

Publication number
ES2047280T3
ES2047280T3 ES90401170T ES90401170T ES2047280T3 ES 2047280 T3 ES2047280 T3 ES 2047280T3 ES 90401170 T ES90401170 T ES 90401170T ES 90401170 T ES90401170 T ES 90401170T ES 2047280 T3 ES2047280 T3 ES 2047280T3
Authority
ES
Spain
Prior art keywords
active part
diamond
polychristalline
composite tool
support
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES90401170T
Other languages
English (en)
Inventor
Paul Renard
Jean Sionnet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUPRADIAMANT SA
Original Assignee
SUPRADIAMANT SA
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 SUPRADIAMANT SA filed Critical SUPRADIAMANT SA
Application granted granted Critical
Publication of ES2047280T3 publication Critical patent/ES2047280T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • E21B10/5673—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a non planar or non circular cutting face
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00—Cutters, for shaping
    • Y10T407/26—Cutters, for shaping comprising cutting edge bonded to tool shank

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

LA HERRAMIENTA COMPUESTA (1) CONSTA DE UN SOPORTE (2) DE CARBURO METALICO SINTERIZADO Y UNA PARTE ACTIVA (3) DE DIAMANTE POLICRISTALINO QUE PRESENTA UNA SUPERFICIE INTERNA (4) DE ENLACE METALURGICO AL SOPORTE (2) Y UNA SUPERFICIE DE TRABAJO (5) DIRIGIDA HACIA EL EXTERIOR. LA SUPERFICIE DE TRABAJO (5) CONSTA DE UNAS ONDULACIONES PARALELAS ENTRE SI QUE CONSTITUYEN ZONAS SUCESIVAS (7,8) EN SALIENTE Y HUECAS EN UNA PARTE AL MENOS DE LA SUPERFICIE DE TRABAJO (5). LA HERRAMIENTA COMPUESTA ESTA DESTINADA EN PARTICULAR EN SONDEOS A GRAN PROFUNDIDAD COMO LOS SONDEOS PETROLIFEROS.
ES90401170T 1989-05-17 1990-04-27 Herramienta compuesta que comporta una parte activa en diamante policristalino. Expired - Lifetime ES2047280T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8906435A FR2647153B1 (fr) 1989-05-17 1989-05-17 Outil composite comportant une partie active en diamant polycristallin et procede de fabrication de cet outil

Publications (1)

Publication Number Publication Date
ES2047280T3 true ES2047280T3 (es) 1994-02-16

Family

ID=9381723

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90401170T Expired - Lifetime ES2047280T3 (es) 1989-05-17 1990-04-27 Herramienta compuesta que comporta una parte activa en diamante policristalino.

Country Status (6)

Country Link
US (1) US4984642A (es)
EP (1) EP0398776B1 (es)
DE (1) DE69003867T2 (es)
ES (1) ES2047280T3 (es)
FR (1) FR2647153B1 (es)
IE (1) IE65002B1 (es)

Families Citing this family (108)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0536762B1 (en) * 1991-10-09 1997-09-03 Smith International, Inc. Diamond cutter insert with a convex cutting surface
US5172778A (en) * 1991-11-14 1992-12-22 Baker-Hughes, Inc. Drill bit cutter and method for reducing pressure loading of cutters
US5558170A (en) * 1992-12-23 1996-09-24 Baroid Technology, Inc. Method and apparatus for improving drill bit stability
WO1994015058A1 (en) * 1992-12-23 1994-07-07 Baroid Technology, Inc. Drill bit having chip breaker polycrystalline diamond compact and hard metal insert at gauge surface
US5333699A (en) * 1992-12-23 1994-08-02 Baroid Technology, Inc. Drill bit having polycrystalline diamond compact cutter with spherical first end opposite cutting end
US5351772A (en) * 1993-02-10 1994-10-04 Baker Hughes, Incorporated Polycrystalline diamond cutting element
US5460233A (en) * 1993-03-30 1995-10-24 Baker Hughes Incorporated Diamond cutting structure for drilling hard subterranean formations
US5494477A (en) * 1993-08-11 1996-02-27 General Electric Company Abrasive tool insert
US5486137A (en) * 1993-07-21 1996-01-23 General Electric Company Abrasive tool insert
US5484330A (en) * 1993-07-21 1996-01-16 General Electric Company Abrasive tool insert
US5447208A (en) * 1993-11-22 1995-09-05 Baker Hughes Incorporated Superhard cutting element having reduced surface roughness and method of modifying
US5435403A (en) * 1993-12-09 1995-07-25 Baker Hughes Incorporated Cutting elements with enhanced stiffness and arrangements thereof on earth boring drill bits
US5590729A (en) * 1993-12-09 1997-01-07 Baker Hughes Incorporated Superhard cutting structures for earth boring with enhanced stiffness and heat transfer capabilities
US5605198A (en) * 1993-12-09 1997-02-25 Baker Hughes Incorporated Stress related placement of engineered superabrasive cutting elements on rotary drag bits
US5562370A (en) * 1995-03-27 1996-10-08 Kennametal Inc. Insert having sinusoidal undulations for ball nose end mill
US5662720A (en) * 1996-01-26 1997-09-02 General Electric Company Composite polycrystalline diamond compact
US5706906A (en) 1996-02-15 1998-01-13 Baker Hughes Incorporated Superabrasive cutting element with enhanced durability and increased wear life, and apparatus so equipped
US5924501A (en) * 1996-02-15 1999-07-20 Baker Hughes Incorporated Predominantly diamond cutting structures for earth boring
US6148937A (en) * 1996-06-13 2000-11-21 Smith International, Inc. PDC cutter element having improved substrate configuration
US5906246A (en) * 1996-06-13 1999-05-25 Smith International, Inc. PDC cutter element having improved substrate configuration
GB9621217D0 (en) * 1996-10-11 1996-11-27 Camco Drilling Group Ltd Improvements in or relating to preform cutting elements for rotary drill bits
US6041875A (en) * 1996-12-06 2000-03-28 Smith International, Inc. Non-planar interfaces for cutting elements
US5829541A (en) * 1996-12-27 1998-11-03 General Electric Company Polycrystalline diamond cutting element with diamond ridge pattern
US5848657A (en) * 1996-12-27 1998-12-15 General Electric Company Polycrystalline diamond cutting element
US5881830A (en) * 1997-02-14 1999-03-16 Baker Hughes Incorporated Superabrasive drill bit cutting element with buttress-supported planar chamfer
US5979578A (en) 1997-06-05 1999-11-09 Smith International, Inc. Multi-layer, multi-grade multiple cutting surface PDC cutter
US5979579A (en) * 1997-07-11 1999-11-09 U.S. Synthetic Corporation Polycrystalline diamond cutter with enhanced durability
EP0916804A1 (en) * 1997-11-14 1999-05-19 General Electric Company Polycrystalline diamond cutting element
US6045440A (en) * 1997-11-20 2000-04-04 General Electric Company Polycrystalline diamond compact PDC cutter with improved cutting capability
CA2261491C (en) 1998-03-06 2005-05-24 Smith International, Inc. Cutting element with improved polycrystalline material toughness and method for making same
US6026919A (en) * 1998-04-16 2000-02-22 Diamond Products International Inc. Cutting element with stress reduction
US6148938A (en) * 1998-10-20 2000-11-21 Dresser Industries, Inc. Wear resistant cutter insert structure and method
US6338390B1 (en) 1999-01-12 2002-01-15 Baker Hughes Incorporated Method and apparatus for drilling a subterranean formation employing drill bit oscillation
US6447560B2 (en) * 1999-02-19 2002-09-10 Us Synthetic Corporation Method for forming a superabrasive polycrystalline cutting tool with an integral chipbreaker feature
US6258139B1 (en) 1999-12-20 2001-07-10 U S Synthetic Corporation Polycrystalline diamond cutter with an integral alternative material core
US6328117B1 (en) 2000-04-06 2001-12-11 Baker Hughes Incorporated Drill bit having a fluid course with chip breaker
DE60140617D1 (de) * 2000-09-20 2010-01-07 Camco Int Uk Ltd Polykristalliner diamant mit einer an katalysatormaterial abgereicherten oberfläche
US6550556B2 (en) 2000-12-07 2003-04-22 Smith International, Inc Ultra hard material cutter with shaped cutting surface
US6488106B1 (en) 2001-02-05 2002-12-03 Varel International, Inc. Superabrasive cutting element
US6808031B2 (en) 2001-04-05 2004-10-26 Smith International, Inc. Drill bit having large diameter PDC cutters
EP1252955A1 (en) * 2001-04-26 2002-10-30 Mitsubishi Materials Corporation Indexable insert
JP3952853B2 (ja) 2002-05-24 2007-08-01 三菱マテリアル株式会社 スローアウェイチップ
GB2393187B (en) * 2002-09-18 2006-06-07 Smith International Method of manufacturing a cutting element from a partially densified substrate
US6904983B2 (en) * 2003-01-30 2005-06-14 Varel International, Ltd. Low-contact area cutting element
US7954570B2 (en) * 2004-02-19 2011-06-07 Baker Hughes Incorporated Cutting elements configured for casing component drillout and earth boring drill bits including same
US7798257B2 (en) * 2004-04-30 2010-09-21 Smith International, Inc. Shaped cutter surface
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
USD581958S1 (en) * 2004-12-07 2008-12-02 Konstantin Evgenievich Morozov Cutting insert
US7942218B2 (en) * 2005-06-09 2011-05-17 Us Synthetic Corporation Cutting element apparatuses and drill bits so equipped
US8328891B2 (en) * 2006-05-09 2012-12-11 Smith International, Inc. Methods of forming thermally stable polycrystalline diamond cutters
CA2619547C (en) 2007-02-06 2016-05-17 Smith International, Inc. Polycrystalline diamond constructions having improved thermal stability
US7942219B2 (en) 2007-03-21 2011-05-17 Smith International, Inc. Polycrystalline diamond constructions having improved thermal stability
US8469120B2 (en) * 2007-06-13 2013-06-25 Exxonmobil Upstream Research Company Methods and apparatus for controlling cutting ribbons during a drilling operation
US7954571B2 (en) * 2007-10-02 2011-06-07 Baker Hughes Incorporated Cutting structures for casing component drillout and earth-boring drill bits including same
USD570384S1 (en) * 2007-10-22 2008-06-03 Konstantin Evgenievich Morozov Substrate for manufacturing cutting elements
US9297211B2 (en) * 2007-12-17 2016-03-29 Smith International, Inc. Polycrystalline diamond construction with controlled gradient metal content
TWI483013B (zh) * 2008-04-02 2015-05-01 3M Innovative Properties Co 光導膜及其製造方法
KR20100134077A (ko) * 2008-04-02 2010-12-22 쓰리엠 이노베이티브 프로퍼티즈 컴파니 중첩된 특징부를 갖는 광학 필름을 제조하기 위한 방법 및 시스템
US20100012389A1 (en) * 2008-07-17 2010-01-21 Smith International, Inc. Methods of forming polycrystalline diamond cutters
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
US20100252331A1 (en) * 2009-04-01 2010-10-07 High Angela D Methods for forming boring shoes for wellbore casing, and boring shoes and intermediate structures formed by such methods
WO2010121116A2 (en) * 2009-04-16 2010-10-21 Smith International, Inc. Fixed cutter bit for directional drilling applications
US8590130B2 (en) 2009-05-06 2013-11-26 Smith International, Inc. Cutting elements with re-processed thermally stable polycrystalline diamond cutting layers, bits incorporating the same, and methods of making the same
CA2760944A1 (en) * 2009-05-06 2010-11-11 Smith International, Inc. Methods of making and attaching tsp material for forming cutting elements, cutting elements having such tsp material and bits incorporating such cutting elements
GB2483590B8 (en) * 2009-06-18 2014-07-23 Smith International Polycrystalline diamond cutting elements with engineered porosity and method for manufacturing such cutting elements
US8327955B2 (en) * 2009-06-29 2012-12-11 Baker Hughes Incorporated Non-parallel face polycrystalline diamond cutter and drilling tools so equipped
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
SA111320374B1 (ar) 2010-04-14 2015-08-10 بيكر هوغيس انكوبوريتد طريقة تشكيل الماسة متعدد البلورات من الماس المستخرج بحجم النانو
EP2561171B1 (en) 2010-04-23 2018-01-10 Baker Hughes, a GE company, LLC Cutting elements for earth-boring tools, earth-boring tools including such cutting elements and related methods
US9175521B2 (en) 2010-08-24 2015-11-03 Varel Europe S.A.S. Functionally leached PCD cutter and method for fabricating the same
US8936115B2 (en) 2010-08-24 2015-01-20 Varel Europe S.A.S. PCD cutter with fins and methods for fabricating the same
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
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
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
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
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
US9297411B2 (en) 2011-05-26 2016-03-29 Us Synthetic Corporation Bearing assemblies, apparatuses, and motor assemblies using the same
US8950519B2 (en) 2011-05-26 2015-02-10 Us Synthetic Corporation Polycrystalline diamond compacts with partitioned substrate, polycrystalline diamond table, or both
US9062505B2 (en) * 2011-06-22 2015-06-23 Us Synthetic Corporation Method for laser cutting polycrystalline diamond structures
US8863864B1 (en) 2011-05-26 2014-10-21 Us Synthetic Corporation Liquid-metal-embrittlement resistant superabrasive compact, and related drill bits and methods
US8807247B2 (en) * 2011-06-21 2014-08-19 Baker Hughes Incorporated Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and methods of forming such cutting elements for earth-boring tools
WO2013113551A2 (en) * 2012-01-30 2013-08-08 Sandvik Intellectual Property Ab Drill bit
GB201205673D0 (en) * 2012-03-30 2012-05-16 Element Six Abrasives Sa Polycrystalline superhard material and method of making same
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
US9428967B2 (en) 2013-03-01 2016-08-30 Baker Hughes Incorporated Polycrystalline compact tables for cutting elements and methods of fabrication
US10307891B2 (en) 2015-08-12 2019-06-04 Us Synthetic Corporation Attack inserts with differing surface finishes, assemblies, systems including same, and related methods
US10907415B2 (en) * 2016-03-31 2021-02-02 Smith International, Inc. Multiple ridge cutting element
US10900291B2 (en) 2017-09-18 2021-01-26 Us Synthetic Corporation Polycrystalline diamond elements and systems and methods for fabricating the same
US11105158B2 (en) * 2018-07-12 2021-08-31 Halliburton Energy Services, Inc. Drill bit and method using cutter with shaped channels
USD951313S1 (en) 2018-07-12 2022-05-10 Halliburton Energy Services, Inc. PDC cutter
USD924949S1 (en) 2019-01-11 2021-07-13 Us Synthetic Corporation Cutting tool
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
USD1026979S1 (en) 2020-12-03 2024-05-14 Us Synthetic Corporation Cutting tool
USD1068884S1 (en) 2021-10-14 2025-04-01 Sf Diamond Co., Ltd. Polycrystalline diamond compact with a raised parallelogram surface and a groove formed therein
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
USD1006073S1 (en) 2021-10-14 2023-11-28 Sf Diamond Co., Ltd. Polycrystalline diamond compact with a raised surface sloping to a peripheral extension
USD997219S1 (en) 2021-10-14 2023-08-29 Sf Diamond Co., Ltd. Polycrystalline diamond compact with a double-layer structure
USD1006074S1 (en) 2021-10-14 2023-11-28 Sf Diamond Co., Ltd. Polycrystalline diamond compact with a raised triangular structure
EP4526544B1 (en) * 2022-05-19 2026-04-15 National Oilwell Varco, L.P. Fixed cutter drill bits and cutter elements with secondary cutting edges for same
US12104439B2 (en) * 2022-09-29 2024-10-01 Halliburton Energy Services, Inc. Shaped cutter with ridges and multi-tapered cutting face
US12065886B2 (en) * 2022-09-29 2024-08-20 Halliburton Energy Services, Inc. Shaped cutter with multiple radial ridge sets
US12091917B2 (en) * 2022-09-29 2024-09-17 Halliburton Energy Services, Inc. Shaped cutter with peripheral cutting teeth and tapered open region
US12553294B2 (en) * 2023-08-31 2026-02-17 Halliburton Energy Services, Inc. Enhanced chip flow drill bit cutter

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE689970A (es) * 1966-11-21 1967-05-02
NL7104326A (es) * 1970-04-08 1971-10-12 Gen Electric
IE46644B1 (en) * 1977-02-18 1983-08-10 Gen Electric Temperature resistant abrasive compact and method for making same
DE2917664C2 (de) * 1979-05-02 1982-12-09 Christensen, Inc., 84115 Salt Lake City, Utah Drehbohrmeißel für Tiefbohrungen
SU1040850A1 (ru) * 1982-02-19 1984-11-23 Отделение экспериментальных исследований Центрального научно-исследовательского геологоразведочного института цветных и благородных металлов Алмазна импрегнированна коронка
US4629373A (en) * 1983-06-22 1986-12-16 Megadiamond Industries, Inc. Polycrystalline diamond body with enhanced surface irregularities
US4525178A (en) * 1984-04-16 1985-06-25 Megadiamond Industries, Inc. Composite polycrystalline diamond
US4592433A (en) * 1984-10-04 1986-06-03 Strata Bit Corporation Cutting blank with diamond strips in grooves
SU1351795A1 (ru) * 1985-07-26 1987-11-15 Карагандинский политехнический институт Алмазный отрезной круг
US4872520A (en) * 1987-01-16 1989-10-10 Triton Engineering Services Company Flat bottom drilling bit with polycrystalline cutters
CA1331520C (en) * 1987-10-12 1994-08-23 De Beers Industrial Diamond Division (Proprietary) Abrasive products
US4858707A (en) * 1988-07-19 1989-08-22 Smith International, Inc. Convex shaped diamond cutting elements

Also Published As

Publication number Publication date
US4984642A (en) 1991-01-15
FR2647153A1 (fr) 1990-11-23
DE69003867T2 (de) 1994-02-10
IE901766L (en) 1990-11-17
DE69003867D1 (de) 1993-11-18
EP0398776B1 (fr) 1993-10-13
FR2647153B1 (fr) 1995-12-01
IE65002B1 (en) 1995-10-04
EP0398776A1 (fr) 1990-11-22

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