DE69918891D1 - Vorgeformtes Schneidelement - Google Patents

Vorgeformtes Schneidelement

Info

Publication number
DE69918891D1
DE69918891D1 DE69918891T DE69918891T DE69918891D1 DE 69918891 D1 DE69918891 D1 DE 69918891D1 DE 69918891 T DE69918891 T DE 69918891T DE 69918891 T DE69918891 T DE 69918891T DE 69918891 D1 DE69918891 D1 DE 69918891D1
Authority
DE
Germany
Prior art keywords
cutting element
preformed cutting
preformed
cutting
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 - Fee Related
Application number
DE69918891T
Other languages
English (en)
Other versions
DE69918891T2 (de
Inventor
Nigel Dennis Griffin
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.)
ReedHycalog UK Ltd
Original Assignee
Camco International 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 Camco International UK Ltd filed Critical Camco International UK Ltd
Application granted granted Critical
Publication of DE69918891D1 publication Critical patent/DE69918891D1/de
Publication of DE69918891T2 publication Critical patent/DE69918891T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B10/5676—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a cutting face with different segments, e.g. mosaic-type inserts
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
DE69918891T 1998-05-08 1999-05-04 Vorgeformtes Schneidelement Expired - Fee Related DE69918891T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9809690 1998-05-08
GBGB9809690.2A GB9809690D0 (en) 1998-05-08 1998-05-08 Improvements in elements faced with superhard material

Publications (2)

Publication Number Publication Date
DE69918891D1 true DE69918891D1 (de) 2004-09-02
DE69918891T2 DE69918891T2 (de) 2005-08-04

Family

ID=10831554

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69918891T Expired - Fee Related DE69918891T2 (de) 1998-05-08 1999-05-04 Vorgeformtes Schneidelement

Country Status (3)

Country Link
EP (1) EP0955446B1 (de)
DE (1) DE69918891T2 (de)
GB (2) GB9809690D0 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9911139D0 (en) * 1999-05-14 1999-07-14 Camco Int Uk Ltd Preform cutting elemenys for rotary drill bits
US6604588B2 (en) * 2001-09-28 2003-08-12 Smith International, Inc. Gage trimmers and bit incorporating the same
US7757793B2 (en) 2005-11-01 2010-07-20 Smith International, Inc. Thermally stable polycrystalline ultra-hard constructions
US7909121B2 (en) 2008-01-09 2011-03-22 Smith International, Inc. Polycrystalline ultra-hard compact constructions
US9217296B2 (en) 2008-01-09 2015-12-22 Smith International, Inc. Polycrystalline ultra-hard constructions with multiple support members
US8360176B2 (en) 2009-01-29 2013-01-29 Smith International, Inc. Brazing methods for PDC cutters

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4784023A (en) 1985-12-05 1988-11-15 Diamant Boart-Stratabit (Usa) Inc. Cutting element having composite formed of cemented carbide substrate and diamond layer and method of making same
US4811801A (en) * 1988-03-16 1989-03-14 Smith International, Inc. Rock bits and inserts therefor
US5120327A (en) 1991-03-05 1992-06-09 Diamant-Boart Stratabit (Usa) Inc. Cutting composite formed of cemented carbide substrate and diamond layer
GB2283773B (en) 1993-11-10 1998-02-25 Camco Drilling Group Ltd Improvements in or relating to elements faced with superhard material
GB2283772B (en) 1993-11-10 1997-01-15 Camco Drilling Group Ltd Improvements in or relating to elements faced with superhard material
US5435403A (en) * 1993-12-09 1995-07-25 Baker Hughes Incorporated Cutting elements with enhanced stiffness and arrangements thereof on earth boring drill bits
ZA954736B (en) * 1994-06-16 1996-01-26 De Beers Ind Diamond Tool component
GB9412247D0 (en) 1994-06-18 1994-08-10 Camco Drilling Group Ltd Improvements in or relating to elements faced with superhard material
GB9506079D0 (en) 1995-03-24 1995-05-10 Camco Drilling Group Ltd Improvements in or relating to elements faced with superhard material
GB9508226D0 (en) 1995-04-22 1995-06-07 Camco Drilling Group Ltd Improvements in or relating to elements faced with superhard material
US5888619A (en) 1995-09-23 1999-03-30 Camco Drilling Group Ltd. Elements faced with superhard material
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
GB9701695D0 (en) * 1997-01-28 1997-03-19 De Beers Ind Diamond Insert for an abrasive tool
US5887580A (en) * 1998-03-25 1999-03-30 Smith International, Inc. Cutting element with interlocking feature

Also Published As

Publication number Publication date
GB2337063A (en) 1999-11-10
GB9809690D0 (en) 1998-07-01
GB9910223D0 (en) 1999-06-30
DE69918891T2 (de) 2005-08-04
EP0955446B1 (de) 2004-07-28
EP0955446A2 (de) 1999-11-10
EP0955446A3 (de) 2000-08-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee