GB2393469B - Cutter element - Google Patents

Cutter element

Info

Publication number
GB2393469B
GB2393469B GB0330137A GB0330137A GB2393469B GB 2393469 B GB2393469 B GB 2393469B GB 0330137 A GB0330137 A GB 0330137A GB 0330137 A GB0330137 A GB 0330137A GB 2393469 B GB2393469 B GB 2393469B
Authority
GB
United Kingdom
Prior art keywords
cutter element
cutter
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
GB0330137A
Other versions
GB2393469A (en
GB0330137D0 (en
Inventor
Madapusi K Keshavan
Michael A Siracki
S J Huang
J Daniel Belnap
Ronald K Eyre
Per I Nese
Gary Ray Portwood
Zhou Yong
Nathan Roy Anderson
Chris E Cawthorne
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 US09/465,631 external-priority patent/US6460636B1/en
Application filed by Smith International Inc filed Critical Smith International Inc
Publication of GB0330137D0 publication Critical patent/GB0330137D0/en
Publication of GB2393469A publication Critical patent/GB2393469A/en
Application granted granted Critical
Publication of GB2393469B publication Critical patent/GB2393469B/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
    • 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)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Earth Drilling (AREA)
GB0330137A 1999-12-17 2000-12-15 Cutter element Expired - Fee Related GB2393469B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/465,631 US6460636B1 (en) 1998-02-13 1999-12-17 Drill bit inserts with variations in thickness of diamond coating
GB0030664A GB2357532B (en) 1999-12-17 2000-12-15 Cutter element

Publications (3)

Publication Number Publication Date
GB0330137D0 GB0330137D0 (en) 2004-02-04
GB2393469A GB2393469A (en) 2004-03-31
GB2393469B true GB2393469B (en) 2004-06-02

Family

ID=31948017

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0330137A Expired - Fee Related GB2393469B (en) 1999-12-17 2000-12-15 Cutter element
GB0330140A Expired - Fee Related GB2393470B (en) 1999-12-17 2000-12-15 Cutter element

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0330140A Expired - Fee Related GB2393470B (en) 1999-12-17 2000-12-15 Cutter element

Country Status (1)

Country Link
GB (2) GB2393469B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0692607A2 (en) * 1994-06-16 1996-01-17 De Beers Industrial Diamond Division (Proprietary) Limited Tool component with abrasive compact
GB2334278A (en) * 1998-02-13 1999-08-18 Smith International Cutting element for rock bit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0692607A2 (en) * 1994-06-16 1996-01-17 De Beers Industrial Diamond Division (Proprietary) Limited Tool component with abrasive compact
GB2334278A (en) * 1998-02-13 1999-08-18 Smith International Cutting element for rock bit

Also Published As

Publication number Publication date
GB0330140D0 (en) 2004-02-04
GB2393470A (en) 2004-03-31
GB2393470B (en) 2004-06-02
GB2393469A (en) 2004-03-31
GB0330137D0 (en) 2004-02-04

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Legal Events

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

Effective date: 20151215