GB9814162D0 - Drill bit with canted gage insert - Google Patents

Drill bit with canted gage insert

Info

Publication number
GB9814162D0
GB9814162D0 GBGB9814162.5A GB9814162A GB9814162D0 GB 9814162 D0 GB9814162 D0 GB 9814162D0 GB 9814162 A GB9814162 A GB 9814162A GB 9814162 D0 GB9814162 D0 GB 9814162D0
Authority
GB
United Kingdom
Prior art keywords
canted
drill bit
gage insert
gage
insert
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
GBGB9814162.5A
Other versions
GB2327443B (en
GB2327443A (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.)
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
Application filed by Smith International Inc filed Critical Smith International Inc
Publication of GB9814162D0 publication Critical patent/GB9814162D0/en
Publication of GB2327443A publication Critical patent/GB2327443A/en
Application granted granted Critical
Publication of GB2327443B publication Critical patent/GB2327443B/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
    • E21B10/08—Roller bits
    • E21B10/16—Roller bits characterised by tooth form or arrangement
    • 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
    • E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
    • E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Earth Drilling (AREA)
GB9814162A 1997-06-30 1998-06-30 Drill bit, cutting insert and method of manufacture Expired - Fee Related GB2327443B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5130297P 1997-06-30 1997-06-30

Publications (3)

Publication Number Publication Date
GB9814162D0 true GB9814162D0 (en) 1998-08-26
GB2327443A GB2327443A (en) 1999-01-27
GB2327443B GB2327443B (en) 2001-12-19

Family

ID=21970453

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9814162A Expired - Fee Related GB2327443B (en) 1997-06-30 1998-06-30 Drill bit, cutting insert and method of manufacture

Country Status (1)

Country Link
GB (1) GB2327443B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6725952B2 (en) * 2001-08-16 2004-04-27 Smith International, Inc. Bowed crests for milled tooth bits
GB2381812B (en) * 2001-11-01 2005-11-23 Baker Hughes Inc Assymetric compact for drill bit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA938605A (en) * 1969-01-28 1973-12-18 Dresser Industries Soft formation insert bits
US4334586A (en) * 1980-06-05 1982-06-15 Reed Rock Bit Company Inserts for drilling bits
US4593777A (en) * 1983-02-22 1986-06-10 Nl Industries, Inc. Drag bit and cutters
AU605996B2 (en) * 1988-08-31 1991-01-24 De Beers Industrial Diamond Division (Proprietary) Limited Manufacture of abrasive products
GB9221453D0 (en) * 1992-10-13 1992-11-25 Reed Tool Co Improvements in rolling cutter drill bits
US5415244A (en) * 1994-02-28 1995-05-16 Smith International, Inc. Conical inserts for rolling cone rock bits

Also Published As

Publication number Publication date
GB2327443B (en) 2001-12-19
GB2327443A (en) 1999-01-27

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Legal Events

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

Effective date: 20150630