DE69215746D1 - Gesteinsbohrmeissel - Google Patents

Gesteinsbohrmeissel

Info

Publication number
DE69215746D1
DE69215746D1 DE69215746T DE69215746T DE69215746D1 DE 69215746 D1 DE69215746 D1 DE 69215746D1 DE 69215746 T DE69215746 T DE 69215746T DE 69215746 T DE69215746 T DE 69215746T DE 69215746 D1 DE69215746 D1 DE 69215746D1
Authority
DE
Germany
Prior art keywords
drill bit
rock drill
rock
bit
drill
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 - Lifetime
Application number
DE69215746T
Other languages
German (de)
English (en)
Inventor
David P Crockett
Michael E Hooper
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
Application granted granted Critical
Publication of DE69215746D1 publication Critical patent/DE69215746D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B10/08—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)
  • 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)
DE69215746T 1991-05-01 1992-04-14 Gesteinsbohrmeissel Expired - Lifetime DE69215746D1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE69215746D1 true DE69215746D1 (de) 1997-01-23

Family

ID=24786590

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69215746T Expired - Lifetime DE69215746D1 (de) 1991-05-01 1992-04-14 Gesteinsbohrmeissel

Country Status (5)

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

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
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
US5542485A (en) * 1993-07-08 1996-08-06 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
AU781290B2 (en) * 2000-05-18 2005-05-12 Smith International, Inc. 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
GB2443125B (en) 2005-08-08 2012-02-08 Halliburton Energy Serv Inc Computer-implemented methods to design a rotary drill bit with a desired bit walk rate
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
EP0511547A2 (en) 1992-11-04
NO921667L (no) 1992-11-02
NO921667D0 (no) 1992-04-29
EP0511547A3 (en) 1993-04-14
EP0511547B1 (en) 1996-12-11
MX9201958A (es) 1992-11-01
CA2066296A1 (en) 1992-11-02

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Legal Events

Date Code Title Description
8332 No legal effect for de