CA2519745A1 - Joints d'etancheite de trepan avec profiles de contact asymetriques - Google Patents

Joints d'etancheite de trepan avec profiles de contact asymetriques Download PDF

Info

Publication number
CA2519745A1
CA2519745A1 CA002519745A CA2519745A CA2519745A1 CA 2519745 A1 CA2519745 A1 CA 2519745A1 CA 002519745 A CA002519745 A CA 002519745A CA 2519745 A CA2519745 A CA 2519745A CA 2519745 A1 CA2519745 A1 CA 2519745A1
Authority
CA
Canada
Prior art keywords
seal
contact pressure
bit
footprint
centerline
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.)
Abandoned
Application number
CA002519745A
Other languages
English (en)
Inventor
Sudarsanam Chellappa
Zhou Yong
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
Publication of CA2519745A1 publication Critical patent/CA2519745A1/fr
Abandoned 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
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
    • E21B10/25—Roller bits characterised by bearing, lubrication or sealing details characterised by sealing details
    • 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

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)
  • Sealing Devices (AREA)
CA002519745A 2004-09-28 2005-09-13 Joints d'etancheite de trepan avec profiles de contact asymetriques Abandoned CA2519745A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/951,383 2004-09-28
US10/951,383 US20060065445A1 (en) 2004-09-28 2004-09-28 Rock-bit seals with asymmetric contact profiles

Publications (1)

Publication Number Publication Date
CA2519745A1 true CA2519745A1 (fr) 2006-03-28

Family

ID=35221489

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002519745A Abandoned CA2519745A1 (fr) 2004-09-28 2005-09-13 Joints d'etancheite de trepan avec profiles de contact asymetriques

Country Status (3)

Country Link
US (1) US20060065445A1 (fr)
CA (1) CA2519745A1 (fr)
GB (1) GB2418439B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7694754B2 (en) * 2006-08-14 2010-04-13 Baker Hughes Incorporated Stabilized seal for rock bits
US20100147595A1 (en) * 2008-12-12 2010-06-17 Baker Hughes Incorporated Bearing seal with improved contact width
WO2011008661A2 (fr) * 2009-07-13 2011-01-20 Halliburton Energy Services, Inc. Outil de forage possédant un joint à durée de vie prolongée
US20110168450A1 (en) * 2010-01-12 2011-07-14 Halliburton Energy Services, Inc. Drill bit bearing contact pressure reduction
US8459379B2 (en) * 2010-01-12 2013-06-11 Halliburton Energy Services, Inc. Bearing contact pressure reduction in well tools
US8967301B2 (en) 2010-02-03 2015-03-03 Baker Hughes Incorporated Composite metallic elastomeric sealing components for roller cone drill bits
CA2827207C (fr) * 2011-02-18 2016-02-23 National Oilwell Varco, L.P. Joint d'etancheite pour outil de forage et son procede d'utilisation
EP3730820A1 (fr) * 2014-09-12 2020-10-28 Trelleborg Sealing Solutions U.S., Inc. Joint d'actionneur hydraulique rotatif

Family Cites Families (73)

* Cited by examiner, † Cited by third party
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US4666001A (en) * 1983-10-17 1987-05-19 Hughes Tool Company - Usa Earth boring bit with improved rigid face seal assembly
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US4753303A (en) * 1983-10-17 1988-06-28 Hughes Tool Company--USA Earth boring bit with two piece bearing and rigid face seal assembly
US4613005A (en) * 1984-06-20 1986-09-23 Chicago Rawhide Manufacturing Co. Unitized seal for severe service applications
US4610319A (en) * 1984-10-15 1986-09-09 Kalsi Manmohan S Hydrodynamic lubricant seal for drill bits
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JPH0742837B2 (ja) * 1986-06-13 1995-05-10 塚本精機株式会社 ドリルビツトのカツタ−用回転軸封装置
US4753304A (en) * 1987-03-09 1988-06-28 Hughes Tool Company Volume and pressure balanced rigid face seal for rock bits
US4762189A (en) * 1987-05-28 1988-08-09 Tatum David M Seal and seal shield assembly for rotary drill bits
US5009519A (en) * 1987-05-28 1991-04-23 Tatum David M Sealing assembly for relatively movable members
US4822057A (en) * 1988-03-31 1989-04-18 Smith International, Inc. Mechanical face seal for rock bits
US4824123A (en) * 1988-03-31 1989-04-25 Smith International, Inc. Mechanical face seal for rock bits
SE8801233L (sv) * 1988-04-05 1989-10-06 Sandvik Ab Rullborrkrona
US4838365A (en) * 1988-04-25 1989-06-13 Reed Tool Company Seal assembly for rotary drill bits
US4923020A (en) * 1988-06-23 1990-05-08 Hughes Tool Company Rock bit with rigid face seals and recessed energizers
US4903786A (en) * 1988-06-23 1990-02-27 Hughes Tool Company Earth boring bit with improved two piece bearing and seal assembly
US4813502A (en) * 1988-06-28 1989-03-21 Dresser Industries, Inc. Drilling bit with improved trailing edge vent
US5027911A (en) * 1989-11-02 1991-07-02 Dresser Industries, Inc. Double seal with lubricant gap between seals for sealed rotary drill bits
US5040624A (en) * 1990-08-13 1991-08-20 Schumacher Percy W Seal assembly for roller cutter drill bit having a pressure balanced lubrication system
US5080183A (en) * 1990-08-13 1992-01-14 Camco International Inc. Seal assembly for roller cutter drill bit having a pressure balanced lubrication system
US5129471A (en) * 1991-05-31 1992-07-14 Hughes Tool Company Earth boring bit with protected seal means
US5360076A (en) * 1992-04-03 1994-11-01 Hughes Tool Company Dual metal face seal with single recessed energizer
US5362073A (en) * 1992-10-21 1994-11-08 Smith International, Inc. Composite seal for rotary cone rock bits
USRE36452E (en) * 1992-10-21 1999-12-21 Smith International, Inc. Composite seal for rotary cone rock bits
US5295549A (en) * 1992-12-14 1994-03-22 Baker Hughes Incorporated Mechanical lock to prevent seal ring rotation
US6068070A (en) * 1997-09-03 2000-05-30 Baker Hughes Incorporated Diamond enhanced bearing for earth-boring bit
US5441120A (en) * 1994-08-31 1995-08-15 Dresser Industries, Inc. Roller cone rock bit having a sealing system with double elastomer seals
US5474058A (en) * 1994-11-30 1995-12-12 Thayer Medical Corporation MDI ventilator dispenser with bi-directional nozzle
US5524718A (en) * 1995-01-31 1996-06-11 Baker Hughes Incorporated Earth-boring bit with improved bearing seal assembly
DE69633923T2 (de) * 1995-06-27 2005-11-03 Kalsi Engineering, Inc., Sugar Land Versetzung und torsionsfeste hydrodynamische wellendichtung
US6196339B1 (en) * 1995-12-19 2001-03-06 Smith International, Inc. Dual-seal drill bit pressure communication system
US6033117A (en) * 1995-12-19 2000-03-07 Smith International, Inc. Sealed bearing drill bit with dual-seal configuration
US6254275B1 (en) * 1995-12-19 2001-07-03 Smith International, Inc. Sealed bearing drill bit with dual-seal configuration and fluid-cleaning capability
US5875861A (en) * 1996-07-24 1999-03-02 Camco International Inc. Different stiffness energizers for MF seals
US5791421A (en) * 1996-08-06 1998-08-11 Baker Hughes Incorporated Optimal material pair for metal face seal in earth-boring bits
US5842700A (en) * 1996-10-08 1998-12-01 Smith International, Inc. Composite rock bit seal
US5842701A (en) * 1996-10-08 1998-12-01 Smith International, Inc. Dual functioning seal for rock bits
US6105968A (en) * 1997-02-24 2000-08-22 Massachusetts Institute Of Technology Textured seal for reduced wear
EP0919691B1 (fr) * 1997-11-25 2004-01-28 Camco International (UK) Ltd. Joint à face radiale précontrainte
US6026917A (en) * 1997-12-18 2000-02-22 Baker Hughes Incorporated Earth-boring bit with improved bearing seal
US6305483B1 (en) * 1998-04-02 2001-10-23 Smith International, Inc. Multi-piece rotary cone drill bit seal
US6494462B2 (en) * 1998-05-06 2002-12-17 Kalsi Engineering, Inc. Rotary seal with improved dynamic interface
US6247545B1 (en) * 1998-12-22 2001-06-19 Camco International Inc. Single energizer face seal for rocks bits with floating journal bearings
US6279671B1 (en) * 1999-03-01 2001-08-28 Amiya K. Panigrahi Roller cone bit with improved seal gland design
US6176330B1 (en) * 1999-10-12 2001-01-23 Camco International Inc. Rock bit face seal having anti-rotation pins
US6460635B1 (en) * 1999-10-25 2002-10-08 Kalsi Engineering, Inc. Load responsive hydrodynamic bearing
US6536542B1 (en) * 1999-10-28 2003-03-25 Smith International, Inc. Rock bit seal with multiple dynamic seal surface elements
US6513607B2 (en) * 2001-02-15 2003-02-04 Baker Hughes Incorporated Metal-face-seal rock bit
US6598690B2 (en) * 2001-08-03 2003-07-29 Smith International, Inc. Dual dynamic rotary seal
US6820704B2 (en) * 2001-08-08 2004-11-23 Smith International, Inc. Rock bit seal with extrusion prevention member
US6769500B2 (en) * 2001-08-31 2004-08-03 Halliburton Energy Services, Inc. Optimized earth boring seal means
US7461708B2 (en) * 2004-08-16 2008-12-09 Smith International, Inc. Elastomeric seal assembly having auxiliary annular seal components

Also Published As

Publication number Publication date
GB0518765D0 (en) 2005-10-19
GB2418439A (en) 2006-03-29
GB2418439B (en) 2007-07-04
US20060065445A1 (en) 2006-03-30

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued