NO921667D0 - Borkrone - Google Patents

Borkrone

Info

Publication number
NO921667D0
NO921667D0 NO921667A NO921667A NO921667D0 NO 921667 D0 NO921667 D0 NO 921667D0 NO 921667 A NO921667 A NO 921667A NO 921667 A NO921667 A NO 921667A NO 921667 D0 NO921667 D0 NO 921667D0
Authority
NO
Norway
Prior art keywords
drill bit
drill
bit
Prior art date
Application number
NO921667A
Other languages
English (en)
Other versions
NO921667L (no
Inventor
David P Crockett
Michael E Hooper
Original Assignee
Smith International
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 filed Critical Smith International
Publication of NO921667D0 publication Critical patent/NO921667D0/no
Publication of NO921667L publication Critical patent/NO921667L/no

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
    • E21B10/08—Roller bits
    • E21B10/16—Roller bits characterised by tooth form or arrangement
    • 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
    • E21B10/50—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)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
NO92921667A 1991-05-01 1992-04-29 Borkrone NO921667L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US69390091A 1991-05-01 1991-05-01

Publications (2)

Publication Number Publication Date
NO921667D0 true NO921667D0 (no) 1992-04-29
NO921667L NO921667L (no) 1992-11-02

Family

ID=24786590

Family Applications (1)

Application Number Title Priority Date Filing Date
NO92921667A NO921667L (no) 1991-05-01 1992-04-29 Borkrone

Country Status (5)

Country Link
EP (1) EP0511547B1 (no)
CA (1) CA2066296A1 (no)
DE (1) DE69215746D1 (no)
MX (1) MX9201958A (no)
NO (1) NO921667L (no)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5323865A (en) * 1992-09-23 1994-06-28 Baker Hughes Incorporated Earth-boring bit with an advantageous insert cutting structure
US5341890A (en) * 1993-01-08 1994-08-30 Smith International, Inc. Ultra hard insert cutters for heel row rotary cone rock bit applications
US5668092A (en) * 1993-04-07 1997-09-16 Smith International, Inc. Rock bit grease composition
US5542485A (en) * 1993-07-08 1996-08-06 Baker Hughes Incorporated Earth-boring bit with improved cutting structure
US5351768A (en) * 1993-07-08 1994-10-04 Baker Hughes Incorporated Earth-boring bit with improved cutting structure
US5819861A (en) * 1993-07-08 1998-10-13 Baker Hughes Incorporated Earth-boring bit with improved cutting structure
US5589443A (en) * 1995-12-21 1996-12-31 Smith International, Inc. Rock bit grease composition
SE523853C2 (sv) 1997-06-30 2004-05-25 Smith International Borrkrona med stora insatser
US20040045742A1 (en) 2001-04-10 2004-03-11 Halliburton Energy Services, Inc. Force-balanced roller-cone bits, systems, drilling methods, and design methods
ZA200104086B (en) * 2000-05-18 2003-02-18 Smith International Rolling cone bit with elements fanned along the gage curve.
US6374930B1 (en) * 2000-06-08 2002-04-23 Smith International, Inc. Cutting structure for roller cone drill bits
GB2417966A (en) 2004-08-16 2006-03-15 Halliburton Energy Serv Inc Roller cone drill bits with optimized bearing structure
US7729895B2 (en) 2005-08-08 2010-06-01 Halliburton Energy Services, Inc. Methods and systems for designing and/or selecting drilling equipment with desired drill bit steerability
US7860693B2 (en) 2005-08-08 2010-12-28 Halliburton Energy Services, Inc. Methods and systems for designing and/or selecting drilling equipment using predictions of rotary drill bit walk
AU2008338627B2 (en) 2007-12-14 2014-04-10 Halliburton Energy Services, Inc. Methods and systems to predict rotary drill bit walk and to design rotary drill bits and other downhole tools
RU2473770C1 (ru) * 2011-10-05 2013-01-27 Дмитрий Юрьевич Сериков Буровое шарошечное долото

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2990025A (en) * 1958-06-16 1961-06-27 Dresser Ind Bit
CA938605A (en) * 1969-01-28 1973-12-18 Dresser Industries Soft formation insert bits
US3727705A (en) * 1972-01-21 1973-04-17 Hughes Tool Co Drill bit with improved gage compact arrangement

Also Published As

Publication number Publication date
NO921667L (no) 1992-11-02
EP0511547B1 (en) 1996-12-11
MX9201958A (es) 1992-11-01
DE69215746D1 (de) 1997-01-23
EP0511547A2 (en) 1992-11-04
EP0511547A3 (en) 1993-04-14
CA2066296A1 (en) 1992-11-02

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