SE0302925L - Borrkrona med kapslat lager med dubbettätad utformning - Google Patents

Borrkrona med kapslat lager med dubbettätad utformning

Info

Publication number
SE0302925L
SE0302925L SE0302925A SE0302925A SE0302925L SE 0302925 L SE0302925 L SE 0302925L SE 0302925 A SE0302925 A SE 0302925A SE 0302925 A SE0302925 A SE 0302925A SE 0302925 L SE0302925 L SE 0302925L
Authority
SE
Sweden
Prior art keywords
drill bit
double
bearing
sealed design
earthen annulus
Prior art date
Application number
SE0302925A
Other languages
Unknown language ( )
English (en)
Other versions
SE0302925D0 (sv
Inventor
Peter Cariveau
Roger Didericksen
Gary Ray Portwood
Robert H Slaughter Jr
Chris Edward Cawthorne
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 SE0302925L publication Critical patent/SE0302925L/sv
Publication of SE0302925D0 publication Critical patent/SE0302925D0/sv

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
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
    • E21B10/25—Roller bits characterised by bearing, lubrication or sealing details characterised by sealing details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/49—Bearings with both balls and rollers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7836—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members floating with respect to both races
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7896—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members with two or more discrete sealings arranged in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C21/00—Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2352/00—Apparatus for drilling

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
SE0302925A 1997-12-01 2003-11-06 Borrkrona med kapslat lager med dubbettätad utformning SE0302925D0 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/982,081 US6033117A (en) 1995-12-19 1997-12-01 Sealed bearing drill bit with dual-seal configuration

Publications (2)

Publication Number Publication Date
SE0302925L true SE0302925L (sv) 2003-11-06
SE0302925D0 SE0302925D0 (sv) 2003-11-06

Family

ID=25528829

Family Applications (2)

Application Number Title Priority Date Filing Date
SE9803864A SE9803864L (sv) 1997-12-01 1998-11-11 Borrkrona med kapslat lager med dubbeltätad utformning
SE0302925A SE0302925D0 (sv) 1997-12-01 2003-11-06 Borrkrona med kapslat lager med dubbettätad utformning

Family Applications Before (1)

Application Number Title Priority Date Filing Date
SE9803864A SE9803864L (sv) 1997-12-01 1998-11-11 Borrkrona med kapslat lager med dubbeltätad utformning

Country Status (6)

Country Link
US (1) US6033117A (sv)
AU (1) AU744226B2 (sv)
CA (1) CA2254170C (sv)
GB (1) GB2331773A (sv)
SE (2) SE9803864L (sv)
ZA (1) ZA9810980B (sv)

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US6196339B1 (en) 1995-12-19 2001-03-06 Smith International, Inc. Dual-seal drill bit pressure communication system
GB2335936B (en) * 1998-04-02 2002-10-02 Smith International Multi-piece rotary cone drill bit seal
US6533051B1 (en) * 1999-09-07 2003-03-18 Smith International, Inc. Roller cone drill bit shale diverter
WO2002088507A2 (en) * 2001-04-26 2002-11-07 Halliburton Energy Services, Inc. Roller cone bits with reduced packing
US7234541B2 (en) * 2002-08-19 2007-06-26 Baker Hughes Incorporated DLC coating for earth-boring bit seal ring
US7117961B2 (en) * 2003-07-31 2006-10-10 Smith International, Inc. Dynamic seal with soft interface
US7036613B2 (en) * 2003-09-12 2006-05-02 Reedhycalog, L.P. Lip seal for roller cone drill bit
US7188691B2 (en) * 2004-06-15 2007-03-13 Smith International, Inc. Metal seal with impact-absorbing ring
US7347290B2 (en) 2004-06-15 2008-03-25 Smith International, Inc. Multi-part energizer for mechanical seal assembly
US7461708B2 (en) * 2004-08-16 2008-12-09 Smith International, Inc. Elastomeric seal assembly having auxiliary annular seal components
US20060065445A1 (en) * 2004-09-28 2006-03-30 Smith International, Inc. Rock-bit seals with asymmetric contact profiles
CN102401011B (zh) * 2005-04-18 2016-03-09 Ntn株式会社 轴承构造
US9574405B2 (en) 2005-09-21 2017-02-21 Smith International, Inc. Hybrid disc bit with optimized PDC cutter placement
US7708090B2 (en) * 2006-07-12 2010-05-04 Baker Hughes Incorporated Excluder ring for earth-boring bit
US8448723B2 (en) * 2006-08-02 2013-05-28 Burintekh USA, LLC Seal assembly for drill bit
US7992657B2 (en) * 2006-08-18 2011-08-09 Atlas Copco Secoroc Llc Earth bit having a wear ring
US8020638B2 (en) * 2006-10-30 2011-09-20 Smith International, Inc. Seal with dynamic sealing surface at the outside diameter
US8573293B1 (en) 2008-02-29 2013-11-05 Pruitt Tool & Supply Co. Dual rubber cartridge
US7870896B1 (en) 2008-02-29 2011-01-18 Pruitt Group, Inc. Extended wear ball lock for rotating head
US8353369B2 (en) * 2008-08-06 2013-01-15 Atlas Copco Secoroc, LLC Percussion assisted rotary earth bit and method of operating the same
US20100147595A1 (en) * 2008-12-12 2010-06-17 Baker Hughes Incorporated Bearing seal with improved contact width
US8844656B2 (en) * 2009-03-16 2014-09-30 Atlas Copco Secoroc Llc Seal assembly for a rotary earth bit
US8672060B2 (en) * 2009-07-31 2014-03-18 Smith International, Inc. High shear roller cone drill bits
US20110024199A1 (en) * 2009-08-03 2011-02-03 Baker Hughes Incorporated Seal Ring With Auxiliary Ring for Earth-Boring Bit
US8967301B2 (en) 2010-02-03 2015-03-03 Baker Hughes Incorporated Composite metallic elastomeric sealing components for roller cone drill bits
US8783385B2 (en) * 2010-06-07 2014-07-22 Varel International Ind., L.P. Rock bit having a mechanical seal with superior thermal performance
US9243730B1 (en) 2010-09-28 2016-01-26 Pruitt Tool & Supply Co. Adapter assembly
WO2012112333A2 (en) 2011-02-18 2012-08-23 National Oilwell Varco, L.P. Drill bit seal and method of using same
US8973652B1 (en) 2011-08-22 2015-03-10 Pruitt Tool & Supply Co. Pipe wiper box
US8905150B1 (en) 2011-08-22 2014-12-09 Pruitt Tool & Supply Co. Casing stripper attachment
CN102704850A (zh) * 2012-01-17 2012-10-03 苏州新锐工程工具有限公司 矿用钻头双密封结构
CN102704849A (zh) * 2012-01-17 2012-10-03 苏州新锐工程工具有限公司 矿用钻头双重密封结构
WO2013143025A1 (zh) * 2012-03-30 2013-10-03 Xing Fafen 牙轮钻头轴承双密封系统
CN102587835A (zh) * 2012-03-30 2012-07-18 幸发芬 牙轮钻头轴承双密封系统
CA2920721A1 (en) 2013-09-10 2015-03-19 Halliburton Energy Services, Inc. Sacrificial spacer for well tool inner seal
US9631157B2 (en) 2013-10-18 2017-04-25 Weatherford Technology Holdings, Llc Cu—Ni—Sn alloy overlay for bearing surfaces on oilfield equipment
RU2658948C1 (ru) * 2017-10-10 2018-06-26 Николай Митрофанович Панин Буровое долото
RU2658965C1 (ru) * 2017-10-10 2018-06-26 Николай Митрофанович Панин Буровое долото
CN108533179B (zh) * 2018-04-03 2019-07-09 西南石油大学 牙轮钻头哑铃式密封结构
US10689912B1 (en) 2019-12-12 2020-06-23 PDB Tools, Inc. Sealed bearing rock bit with a low profile seal
US11585158B2 (en) * 2020-05-21 2023-02-21 Caterpillar Inc. Isolated lubrication system for drill bits

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Also Published As

Publication number Publication date
US6033117A (en) 2000-03-07
SE9803864D0 (sv) 1998-11-11
GB2331773A (en) 1999-06-02
AU9421598A (en) 1999-06-17
CA2254170A1 (en) 1999-06-01
GB9826243D0 (en) 1999-01-20
CA2254170C (en) 2007-01-23
SE9803864L (sv) 1999-06-02
AU744226B2 (en) 2002-02-21
SE0302925D0 (sv) 2003-11-06
ZA9810980B (en) 2000-03-29

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Legal Events

Date Code Title Description
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NAV Patent application has lapsed