GB0306894D0 - Polycrystalline diamond cutters having modified residual stresses - Google Patents

Polycrystalline diamond cutters having modified residual stresses

Info

Publication number
GB0306894D0
GB0306894D0 GBGB0306894.7A GB0306894A GB0306894D0 GB 0306894 D0 GB0306894 D0 GB 0306894D0 GB 0306894 A GB0306894 A GB 0306894A GB 0306894 D0 GB0306894 D0 GB 0306894D0
Authority
GB
United Kingdom
Prior art keywords
polycrystalline diamond
residual stresses
diamond cutters
modified residual
cutters
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.)
Granted
Application number
GBGB0306894.7A
Other versions
GB2384260B (en
GB2384260A (en
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.)
Baker Hughes Holdings LLC
Original Assignee
Baker Hughes Inc
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
Priority claimed from US09/231,350 external-priority patent/US6220375B1/en
Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of GB0306894D0 publication Critical patent/GB0306894D0/en
Publication of GB2384260A publication Critical patent/GB2384260A/en
Application granted granted Critical
Publication of GB2384260B publication Critical patent/GB2384260B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B10/573—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24—After-treatment of workpieces or articles
    • B22F2003/248—Thermal after-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
GB0306894A 1999-01-13 1999-12-24 Polycrystalline diamond cutters having modified residual stresses Expired - Lifetime GB2384260B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/231,350 US6220375B1 (en) 1999-01-13 1999-01-13 Polycrystalline diamond cutters having modified residual stresses
GB9930844A GB2345710B (en) 1999-01-13 1999-12-24 Polycrystalline diamond cutters having modified residual stresses

Publications (3)

Publication Number Publication Date
GB0306894D0 true GB0306894D0 (en) 2003-04-30
GB2384260A GB2384260A (en) 2003-07-23
GB2384260B GB2384260B (en) 2003-09-03

Family

ID=26316158

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0306893A Expired - Lifetime GB2384259B (en) 1999-01-13 1999-12-24 Polycrystalline diamond cutters having modified residual stresses
GB0306894A Expired - Lifetime GB2384260B (en) 1999-01-13 1999-12-24 Polycrystalline diamond cutters having modified residual stresses

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0306893A Expired - Lifetime GB2384259B (en) 1999-01-13 1999-12-24 Polycrystalline diamond cutters having modified residual stresses

Country Status (1)

Country Link
GB (2) GB2384259B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2108630B1 (en) * 2007-02-02 2016-08-17 Sumitomo Electric Hardmetal Corp. Diamond sintered compact
US8297382B2 (en) 2008-10-03 2012-10-30 Us Synthetic Corporation Polycrystalline diamond compacts, method of fabricating same, and various applications
US9315881B2 (en) 2008-10-03 2016-04-19 Us Synthetic Corporation Polycrystalline diamond, polycrystalline diamond compacts, methods of making same, and applications
US7866418B2 (en) 2008-10-03 2011-01-11 Us Synthetic Corporation Rotary drill bit including polycrystalline diamond cutting elements
US9086348B2 (en) 2010-04-06 2015-07-21 Varel Europe S.A.S. Downhole acoustic emission formation sampling
US9297731B2 (en) 2010-04-06 2016-03-29 Varel Europe S.A.S Acoustic emission toughness testing for PDC, PCBN, or other hard or superhard material inserts
US8727046B2 (en) * 2011-04-15 2014-05-20 Us Synthetic Corporation Polycrystalline diamond compacts including at least one transition layer and methods for stress management in polycrsystalline diamond compacts
GB201108967D0 (en) * 2011-05-27 2011-07-13 Element Six Ltd Superhard structure, tool element and method of making same
GB201113391D0 (en) 2011-08-03 2011-09-21 Element Six Abrasives Sa Super-hard construction and method for making same
US9249059B2 (en) * 2012-04-05 2016-02-02 Varel International Ind., L.P. High temperature high heating rate treatment of PDC cutters
CN104563889A (en) * 2013-11-25 2015-04-29 莱州市原野科技有限公司 Pre-graphitized polycrystalline diamond compact
US10046441B2 (en) 2013-12-30 2018-08-14 Smith International, Inc. PCD wafer without substrate for high pressure / high temperature sintering

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2258260B (en) * 1989-02-14 1993-09-22 Camco Drilling Group Ltd Improvements in or relating to cutting elements for rotary drill bits
US5820985A (en) * 1995-12-07 1998-10-13 Baker Hughes Incorporated PDC cutters with improved toughness

Also Published As

Publication number Publication date
GB2384260B (en) 2003-09-03
GB2384259A (en) 2003-07-23
GB2384259B (en) 2003-09-03
GB2384260A (en) 2003-07-23
GB0306893D0 (en) 2003-04-30

Similar Documents

Publication Publication Date Title
GB2345710B (en) Polycrystalline diamond cutters having modified residual stresses
GB2362655B (en) Polycrystalline diamond carbide composites
GB2349841B (en) Cutting tool
GB9717222D0 (en) Polycrystalline diamond bit manufacturing
GB2349845B (en) Manual tile cutter
IL131119A0 (en) Milling cutter
SG85728A1 (en) Cutting method
TW530740U (en) Tile cutter
GB2384259B (en) Polycrystalline diamond cutters having modified residual stresses
IL154937A0 (en) Diamond cut
GB2354728B (en) Milling cutter
SG84595A1 (en) A polycrystal diamond tool
AU144742S (en) Cutting insert
GB2354726B (en) Abrasive cutting
AU2170301A (en) Polycrystalline diamond microstructures
GB0024654D0 (en) Cutting tool
GB2355036B (en) Cutting tool
GB0113111D0 (en) Method for crushing carbide
GB2398797B (en) Polycrystalline diamond carbide composites
TW454668U (en) Pipe cutter
GB9923457D0 (en) Cutters
GB9910443D0 (en) Pipe cutters
TW398509U (en) Glass cutter
CA86673S (en) Apparatus for cutting/breaking tiles or similar items
GB9922526D0 (en) Pipe cutter

Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20191223