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GB2307933B - Insert stud cutters - Google Patents

Insert stud cutters

Info

Publication number
GB2307933B
GB2307933B GB9702164A GB9702164A GB2307933B GB 2307933 B GB2307933 B GB 2307933B GB 9702164 A GB9702164 A GB 9702164A GB 9702164 A GB9702164 A GB 9702164A GB 2307933 B GB2307933 B GB 2307933B
Authority
GB
United Kingdom
Prior art keywords
insert stud
cutters
stud cutters
insert
stud
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
GB9702164A
Other versions
GB2307933A (en
GB9702164D0 (en
Inventor
Michael C Lockwood
Richard H Dixon
Christopher A Reed
Ronald B Crocket
Kenneth William Jones
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.)
Smith International Inc
Original Assignee
Smith International 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 US08/124,892 external-priority patent/US5379853A/en
Application filed by Smith International Inc filed Critical Smith International Inc
Publication of GB9702164D0 publication Critical patent/GB9702164D0/en
Publication of GB2307933A publication Critical patent/GB2307933A/en
Application granted granted Critical
Publication of GB2307933B publication Critical patent/GB2307933B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E21B10/573—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
    • 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

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)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Earth Drilling (AREA)
GB9702164A 1993-09-20 1994-09-14 Insert stud cutters Expired - Fee Related GB2307933B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/124,892 US5379853A (en) 1993-09-20 1993-09-20 Diamond drag bit cutting elements
GB9418471A GB2282166B (en) 1993-09-20 1994-09-14 Insert stud cutters

Publications (3)

Publication Number Publication Date
GB9702164D0 GB9702164D0 (en) 1997-03-26
GB2307933A GB2307933A (en) 1997-06-11
GB2307933B true GB2307933B (en) 1997-11-12

Family

ID=26305621

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9702164A Expired - Fee Related GB2307933B (en) 1993-09-20 1994-09-14 Insert stud cutters

Country Status (1)

Country Link
GB (1) GB2307933B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6845828B2 (en) 2000-08-04 2005-01-25 Halliburton Energy Svcs Inc. Shaped cutting-grade inserts with transitionless diamond-enhanced surface layer
US7217180B2 (en) * 2003-02-19 2007-05-15 Baker Hughes Incorporated Diamond tape coating and methods of making and using same
US7726420B2 (en) 2004-04-30 2010-06-01 Smith International, Inc. Cutter having shaped working surface with varying edge chamfer
US7798257B2 (en) 2004-04-30 2010-09-21 Smith International, Inc. Shaped cutter surface
US8833492B2 (en) 2008-10-08 2014-09-16 Smith International, Inc. Cutters for fixed cutter bits
RU2452840C1 (en) * 2011-02-16 2012-06-10 Николай Митрофанович Панин Drilling bit rolling cutter

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2136035A (en) * 1983-02-22 1984-09-12 Nl Industries Inc Improved pcd cutter and bit
GB2138054A (en) * 1983-02-22 1984-10-17 Nl Industries Inc Drag bit and cutters
US4811801A (en) * 1988-03-16 1989-03-14 Smith International, Inc. Rock bits and inserts therefor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2136035A (en) * 1983-02-22 1984-09-12 Nl Industries Inc Improved pcd cutter and bit
GB2138054A (en) * 1983-02-22 1984-10-17 Nl Industries Inc Drag bit and cutters
US4811801A (en) * 1988-03-16 1989-03-14 Smith International, Inc. Rock bits and inserts therefor

Also Published As

Publication number Publication date
GB2307933A (en) 1997-06-11
GB9702164D0 (en) 1997-03-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990914