GB2403967B - Ultra hard material cutter with shaped cutting surface - Google Patents

Ultra hard material cutter with shaped cutting surface

Info

Publication number
GB2403967B
GB2403967B GB0415203A GB0415203A GB2403967B GB 2403967 B GB2403967 B GB 2403967B GB 0415203 A GB0415203 A GB 0415203A GB 0415203 A GB0415203 A GB 0415203A GB 2403967 B GB2403967 B GB 2403967B
Authority
GB
United Kingdom
Prior art keywords
hard material
cutting surface
shaped cutting
material cutter
ultra hard
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
GB0415203A
Other versions
GB0415203D0 (en
GB2403967A (en
Inventor
Stewart Middlemiss
Ronald K Eyre
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 US09/731,498 external-priority patent/US6550556B2/en
Application filed by Smith International Inc filed Critical Smith International Inc
Publication of GB0415203D0 publication Critical patent/GB0415203D0/en
Publication of GB2403967A publication Critical patent/GB2403967A/en
Application granted granted Critical
Publication of GB2403967B publication Critical patent/GB2403967B/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
    • E21B10/5673—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
    • 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
    • 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

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)
GB0415203A 2000-12-07 2001-11-21 Ultra hard material cutter with shaped cutting surface Expired - Fee Related GB2403967B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/731,498 US6550556B2 (en) 2000-12-07 2000-12-07 Ultra hard material cutter with shaped cutting surface
GB0127857A GB2369841B (en) 2000-12-07 2001-11-21 Ultra hard material cutter with shaped cutting surface

Publications (3)

Publication Number Publication Date
GB0415203D0 GB0415203D0 (en) 2004-08-11
GB2403967A GB2403967A (en) 2005-01-19
GB2403967B true GB2403967B (en) 2005-03-16

Family

ID=33554128

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0415203A Expired - Fee Related GB2403967B (en) 2000-12-07 2001-11-21 Ultra hard material cutter with shaped cutting surface

Country Status (1)

Country Link
GB (1) GB2403967B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7726420B2 (en) 2004-04-30 2010-06-01 Smith International, Inc. Cutter having shaped working surface with varying edge chamfer
US20050247486A1 (en) * 2004-04-30 2005-11-10 Smith International, Inc. Modified cutters
US8833492B2 (en) 2008-10-08 2014-09-16 Smith International, Inc. Cutters for fixed cutter bits

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2339221A (en) * 1998-07-07 2000-01-19 Smith International Unplanar non-axisymetrical drilling inserts

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2339221A (en) * 1998-07-07 2000-01-19 Smith International Unplanar non-axisymetrical drilling inserts
US6244365B1 (en) * 1998-07-07 2001-06-12 Smith International, Inc. Unplanar non-axisymmetric inserts

Also Published As

Publication number Publication date
GB0415203D0 (en) 2004-08-11
GB2403967A (en) 2005-01-19

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Legal Events

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

Effective date: 20171121