NO911387L - Borkrone med rotasjonskonuser utstyrt med knaster. - Google Patents

Borkrone med rotasjonskonuser utstyrt med knaster.

Info

Publication number
NO911387L
NO911387L NO91911387A NO911387A NO911387L NO 911387 L NO911387 L NO 911387L NO 91911387 A NO91911387 A NO 91911387A NO 911387 A NO911387 A NO 911387A NO 911387 L NO911387 L NO 911387L
Authority
NO
Norway
Prior art keywords
formation
conusions
cranks
born
crown
Prior art date
Application number
NO91911387A
Other languages
English (en)
Norwegian (no)
Other versions
NO911387D0 (no
Inventor
Quan Van Nguyen
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 NO911387D0 publication Critical patent/NO911387D0/no
Publication of NO911387L publication Critical patent/NO911387L/no

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Toys (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Display Devices Of Pinball Game Machines (AREA)
  • Rolls And Other Rotary Bodies (AREA)
NO91911387A 1990-04-12 1991-04-10 Borkrone med rotasjonskonuser utstyrt med knaster. NO911387L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/507,827 US5027913A (en) 1990-04-12 1990-04-12 Insert attack angle for roller cone rock bits

Publications (2)

Publication Number Publication Date
NO911387D0 NO911387D0 (no) 1991-04-10
NO911387L true NO911387L (no) 1991-10-14

Family

ID=24020298

Family Applications (1)

Application Number Title Priority Date Filing Date
NO91911387A NO911387L (no) 1990-04-12 1991-04-10 Borkrone med rotasjonskonuser utstyrt med knaster.

Country Status (5)

Country Link
US (1) US5027913A (de)
EP (1) EP0452058B1 (de)
AT (1) ATE129542T1 (de)
DE (1) DE69114040D1 (de)
NO (1) NO911387L (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5407022A (en) * 1993-11-24 1995-04-18 Baker Hughes Incorporated Free cutting gage insert with relief angle
US6390210B1 (en) * 1996-04-10 2002-05-21 Smith International, Inc. Rolling cone bit with gage and off-gage cutter elements positioned to separate sidewall and bottom hole cutting duty
US5813485A (en) * 1996-06-21 1998-09-29 Smith International, Inc. Cutter element adapted to withstand tensile stress
US5868213A (en) * 1997-04-04 1999-02-09 Smith International, Inc. Steel tooth cutter element with gage facing knee
US5839526A (en) * 1997-04-04 1998-11-24 Smith International, Inc. Rolling cone steel tooth bit with enhancements in cutter shape and placement
US6029759A (en) * 1997-04-04 2000-02-29 Smith International, Inc. Hardfacing on steel tooth cutter element
US7334652B2 (en) * 1998-08-31 2008-02-26 Halliburton Energy Services, Inc. Roller cone drill bits with enhanced cutting elements and cutting structures
US6167833B1 (en) * 1998-10-30 2001-01-02 Camco International Inc. Wear indicator for rotary drilling tools
US6095264A (en) * 1999-01-22 2000-08-01 Camco International, Inc. Rolling cutter drill bit with stabilized insert holes and method for making a rolling cutter drill bit with stabilized insert holes
US7434632B2 (en) 2004-03-02 2008-10-14 Halliburton Energy Services, Inc. Roller cone drill bits with enhanced drilling stability and extended life of associated bearings and seals
GB2420433B (en) * 2004-03-02 2012-02-22 Halliburton Energy Serv Inc Computer-implemented method to design a roller cone drill bit
GB2417966A (en) 2004-08-16 2006-03-15 Halliburton Energy Serv Inc Roller cone drill bits with optimized bearing structure
US20090229888A1 (en) * 2005-08-08 2009-09-17 Shilin Chen Methods and systems for designing and/or selecting drilling equipment using predictions of rotary drill bit walk
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
BRPI0821259A2 (pt) * 2007-12-14 2015-06-16 Halliburton Energy Serv Inc Métodos e sistemas para prever avanço da broca de perfuração rotativa e para desenhar brocas de pefuração rotativas e outras ferramentas de fundo do poço.
US8281881B2 (en) * 2008-03-11 2012-10-09 Smith International, Inc. Rolling cone drill bit having cutting elements with improved orientations
US8733475B2 (en) 2011-01-28 2014-05-27 National Oilwell DHT, L.P. Drill bit with enhanced hydraulics and erosion-shield cutting teeth
CN102364030B (zh) * 2011-08-26 2015-05-13 四川深远石油钻井工具股份有限公司 旋切方式破岩的钻头

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2038386A (en) * 1935-03-09 1936-04-21 Hughes Tool Co Cutter for well drills
US3385385A (en) * 1966-04-01 1968-05-28 Reed Roller Bit Co Drill bit
FR1568146A (de) * 1967-06-06 1969-05-23
US3743038A (en) * 1971-11-23 1973-07-03 Sun Oil Co Drill bit
US3763942A (en) * 1972-02-25 1973-10-09 Contracting & Material Co Auger head
US4108260A (en) * 1977-04-01 1978-08-22 Hughes Tool Company Rock bit with specially shaped inserts
US4161225A (en) * 1977-12-07 1979-07-17 Dresser Industries, Inc. Skewed inserts for an earth boring cutter
US4187922A (en) * 1978-05-12 1980-02-12 Dresser Industries, Inc. Varied pitch rotary rock bit
US4415208A (en) * 1981-07-31 1983-11-15 Ingersoll-Rand Company Cutter bit assembly
SE457656B (sv) * 1984-06-18 1989-01-16 Santrade Ltd Borrkrona innefattande en roterande skaerrulle och borrhuvud innefattande saadan borrkrona
US4751972A (en) * 1986-03-13 1988-06-21 Smith International, Inc. Revolving cutters for rock bits

Also Published As

Publication number Publication date
EP0452058A2 (de) 1991-10-16
DE69114040D1 (de) 1995-11-30
EP0452058B1 (de) 1995-10-25
EP0452058A3 (en) 1992-07-01
NO911387D0 (no) 1991-04-10
ATE129542T1 (de) 1995-11-15
US5027913A (en) 1991-07-02

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