DE69114040D1 - Angriffswinkel für einen Einsatz eines Gesteinskegelrollmeissels. - Google Patents

Angriffswinkel für einen Einsatz eines Gesteinskegelrollmeissels.

Info

Publication number
DE69114040D1
DE69114040D1 DE69114040T DE69114040T DE69114040D1 DE 69114040 D1 DE69114040 D1 DE 69114040D1 DE 69114040 T DE69114040 T DE 69114040T DE 69114040 T DE69114040 T DE 69114040T DE 69114040 D1 DE69114040 D1 DE 69114040D1
Authority
DE
Germany
Prior art keywords
attack
formation
angle
taper roller
inserts
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
DE69114040T
Other languages
English (en)
Inventor
Quan Van Nguyen
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 DE69114040D1 publication Critical patent/DE69114040D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
DE69114040T 1990-04-12 1991-04-08 Angriffswinkel für einen Einsatz eines Gesteinskegelrollmeissels. Expired - Lifetime DE69114040D1 (de)

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 (1)

Publication Number Publication Date
DE69114040D1 true DE69114040D1 (de) 1995-11-30

Family

ID=24020298

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69114040T Expired - Lifetime DE69114040D1 (de) 1990-04-12 1991-04-08 Angriffswinkel für einen Einsatz eines Gesteinskegelrollmeissels.

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
US5839526A (en) * 1997-04-04 1998-11-24 Smith International, Inc. Rolling cone steel tooth bit with enhancements in cutter shape and placement
US5868213A (en) * 1997-04-04 1999-02-09 Smith International, Inc. Steel tooth cutter element with gage facing knee
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
US20060074616A1 (en) * 2004-03-02 2006-04-06 Halliburton Energy Services, Inc. Roller cone drill bits with optimized cutting zones, load zones, stress zones and wear zones for increased drilling life and methods
GB2460560B (en) 2004-08-16 2010-01-13 Halliburton Energy Serv Inc Roller cone drill bits with optimized bearing structures
DE112006002134T5 (de) * 2005-08-08 2008-06-26 Halliburton Energy Services, Inc., Houston Verfahren und Systeme zum Konstruieren und/oder Auswählen von Bohrausrüstung unter Verwendung von Vorhersagen des Ganges des Drehbohrmeißels
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
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
WO2009079371A1 (en) * 2007-12-14 2009-06-25 Halliburton Energy Services, Inc. Methods and systems to predict rotary drill bit walk and to design rotary drill bits and other downhole tools
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
EP0452058A3 (en) 1992-07-01
NO911387L (no) 1991-10-14
NO911387D0 (no) 1991-04-10
EP0452058B1 (de) 1995-10-25
ATE129542T1 (de) 1995-11-15
EP0452058A2 (de) 1991-10-16
US5027913A (en) 1991-07-02

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Legal Events

Date Code Title Description
8332 No legal effect for de