GB2418439B - Rock-bit and rock-bit seal - Google Patents

Rock-bit and rock-bit seal

Info

Publication number
GB2418439B
GB2418439B GB0518765A GB0518765A GB2418439B GB 2418439 B GB2418439 B GB 2418439B GB 0518765 A GB0518765 A GB 0518765A GB 0518765 A GB0518765 A GB 0518765A GB 2418439 B GB2418439 B GB 2418439B
Authority
GB
United Kingdom
Prior art keywords
rock
bit
seal
bit seal
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 - Fee Related
Application number
GB0518765A
Other versions
GB0518765D0 (en
GB2418439A (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 GB0518765D0 publication Critical patent/GB0518765D0/en
Publication of GB2418439A publication Critical patent/GB2418439A/en
Application granted granted Critical
Publication of GB2418439B publication Critical patent/GB2418439B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/08Roller bits
    • E21B10/22Roller bits characterised by bearing, lubrication or sealing details
    • E21B10/25Roller bits characterised by bearing, lubrication or sealing details characterised by sealing details
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/08Roller bits
    • E21B10/22Roller bits characterised by bearing, lubrication or sealing details
GB0518765A 2004-09-28 2005-09-14 Rock-bit and rock-bit seal Expired - Fee Related GB2418439B (en)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
GB0518765D0 GB0518765D0 (en) 2005-10-19
GB2418439A GB2418439A (en) 2006-03-29
GB2418439B true GB2418439B (en) 2007-07-04

Family

ID=35221489

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0518765A Expired - Fee Related GB2418439B (en) 2004-09-28 2005-09-14 Rock-bit and rock-bit seal

Country Status (3)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE602007003612D1 (en) * 2006-08-14 2010-01-14 Baker Hughes Inc STABILIZED SEAL FOR GESTURE MEISSEL
US20100147595A1 (en) * 2008-12-12 2010-06-17 Baker Hughes Incorporated Bearing seal with improved contact width
US9677341B2 (en) 2009-07-13 2017-06-13 Halliburton Energy Services, Inc. Drill bit with extended life seal
US8459379B2 (en) * 2010-01-12 2013-06-11 Halliburton Energy Services, Inc. Bearing contact pressure reduction in well tools
US20110168450A1 (en) * 2010-01-12 2011-07-14 Halliburton Energy Services, Inc. Drill bit bearing contact pressure reduction
US8967301B2 (en) 2010-02-03 2015-03-03 Baker Hughes Incorporated Composite metallic elastomeric sealing components for roller cone drill bits
CA2827207C (en) * 2011-02-18 2016-02-23 National Oilwell Varco, L.P. Drill bit seal and method of using same
US10202989B2 (en) * 2014-09-12 2019-02-12 Trelleborg Sealing Solutions Us, Inc. Rotary hydraulic actuator seal

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2271794A (en) * 1992-10-21 1994-04-27 Smith International Composite seal for rotary cone rock bits
GB2335936A (en) * 1998-04-02 1999-10-06 Smith International Multi-piece rotary cone drill bit seal
US20030019666A1 (en) * 1995-12-19 2003-01-30 Smith International, Inc. Dual-seal drill bit pressure communication system
US6536542B1 (en) * 1999-10-28 2003-03-25 Smith International, Inc. Rock bit seal with multiple dynamic seal surface elements

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US4179003A (en) * 1978-12-21 1979-12-18 Dresser Industries, Inc. Seal for a rolling cone cutter earth boring bit
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US4249622A (en) * 1979-06-11 1981-02-10 Dresser Industries, Inc. Floating seal for drill bits
US4252330A (en) * 1979-09-04 1981-02-24 Dresser Industries, Inc. Symmetrical seal for a rolling cone cutter earth boring bit
US4248484A (en) * 1979-09-24 1981-02-03 Smith International, Inc. Pressure venting O-ring bearing seal for rock bits
DE8007104U1 (en) * 1980-03-15 1980-06-12 Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt ROLLING CHISEL WITH TAPERED CUTTING ROLLS
US4359111A (en) * 1980-05-27 1982-11-16 Gonzalez Eduardo B Self compensating seal apparatus
US4466622A (en) * 1980-07-24 1984-08-21 Reed Rock Bit Company Compound dynamic seal for rolling cutter drill bit
US4428588A (en) * 1982-09-07 1984-01-31 Smith International, Inc. Radial belleville seal with encapsulated resilient core member
US4394020A (en) * 1982-10-18 1983-07-19 Smith International, Inc. High-speed seal
US4429854A (en) * 1982-11-26 1984-02-07 Smith International, Inc. Dual squeeze seal gland
US4466621A (en) * 1982-11-29 1984-08-21 Rock Bit Industries U.S.A., Inc. Rotary drill bit multiple seal assembly
US4666001A (en) * 1983-10-17 1987-05-19 Hughes Tool Company - Usa Earth boring bit with improved rigid face seal assembly
US4753303A (en) * 1983-10-17 1988-06-28 Hughes Tool Company--USA Earth boring bit with two piece bearing and rigid face seal assembly
US4516641A (en) * 1983-10-17 1985-05-14 Hughes Tool Company-Usa Earth boring bit with pressure compensating rigid face seal
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
US4597455A (en) * 1985-04-03 1986-07-01 Dresser Industries, Inc. Rock bit lubrication system
US4671368A (en) * 1985-05-13 1987-06-09 Hughes Tool Company - Usa Earth boring bit with shear compression seal
JPH0742837B2 (en) * 1986-06-13 1995-05-10 塚本精機株式会社 Rotary shaft sealing device for cutter of drill bit
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
US4824123A (en) * 1988-03-31 1989-04-25 Smith International, Inc. Mechanical face seal for rock bits
US4822057A (en) * 1988-03-31 1989-04-18 Smith International, Inc. Mechanical face seal for rock bits
SE8801233L (en) * 1988-04-05 1989-10-06 Sandvik Ab Rotary drill bit
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
US5080183A (en) * 1990-08-13 1992-01-14 Camco International Inc. Seal assembly for roller cutter drill bit having a pressure balanced lubrication system
US5040624A (en) * 1990-08-13 1991-08-20 Schumacher Percy W 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
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
JPH11508671A (en) * 1995-06-27 1999-07-27 カルシ・エンジニアリング・インコーポレーテッド Fluid rotary shaft seals resistant to distortion and torsion
US6254275B1 (en) * 1995-12-19 2001-07-03 Smith International, Inc. Sealed bearing drill bit with dual-seal configuration and fluid-cleaning capability
US6033117A (en) * 1995-12-19 2000-03-07 Smith International, Inc. Sealed bearing drill bit with dual-seal configuration
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
DE69821320T2 (en) * 1997-11-25 2004-12-09 Camco International (Uk) Ltd., Monkstown Prestressed slip ring seal
US6026917A (en) * 1997-12-18 2000-02-22 Baker Hughes Incorporated Earth-boring bit with improved bearing 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
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2271794A (en) * 1992-10-21 1994-04-27 Smith International Composite seal for rotary cone rock bits
US20030019666A1 (en) * 1995-12-19 2003-01-30 Smith International, Inc. Dual-seal drill bit pressure communication system
GB2335936A (en) * 1998-04-02 1999-10-06 Smith International Multi-piece rotary cone drill bit seal
US6536542B1 (en) * 1999-10-28 2003-03-25 Smith International, Inc. Rock bit seal with multiple dynamic seal surface elements

Also Published As

Publication number Publication date
GB0518765D0 (en) 2005-10-19
CA2519745A1 (en) 2006-03-28
GB2418439A (en) 2006-03-29
US20060065445A1 (en) 2006-03-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20090914