ITTO981053A0 - Punta per la perforazione del terreno con un gruppo di tenuta di tipo perfezionato di un cuscinetto. - Google Patents

Punta per la perforazione del terreno con un gruppo di tenuta di tipo perfezionato di un cuscinetto.

Info

Publication number
ITTO981053A0
ITTO981053A0 IT98TO001053A ITTO981053A ITTO981053A0 IT TO981053 A0 ITTO981053 A0 IT TO981053A0 IT 98TO001053 A IT98TO001053 A IT 98TO001053A IT TO981053 A ITTO981053 A IT TO981053A IT TO981053 A0 ITTO981053 A0 IT TO981053A0
Authority
IT
Italy
Prior art keywords
bearing
seal assembly
type seal
drilling bit
improved type
Prior art date
Application number
IT98TO001053A
Other languages
English (en)
Inventor
Chin Lin
Anton F Zahradnik
Eric C Sullivan
Terry R Koltermann
Scott R Schmidt
Original Assignee
Baker Hughes 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 Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of ITTO981053A0 publication Critical patent/ITTO981053A0/it
Publication of ITTO981053A1 publication Critical patent/ITTO981053A1/it
Application granted granted Critical
Publication of IT1303588B1 publication Critical patent/IT1303588B1/it

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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3436—Pressing means
    • F16J15/344—Pressing means the pressing force being applied by means of an elastic ring supporting the slip-ring

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Sealing Devices (AREA)
IT1998TO001053A 1997-12-18 1998-12-18 Punta per la perforazione del terreno con un gruppo di tenuta di tipoperfezionato di un cuscinetto. IT1303588B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/993,943 US6026917A (en) 1997-12-18 1997-12-18 Earth-boring bit with improved bearing seal

Publications (3)

Publication Number Publication Date
ITTO981053A0 true ITTO981053A0 (it) 1998-12-18
ITTO981053A1 ITTO981053A1 (it) 2000-06-18
IT1303588B1 IT1303588B1 (it) 2000-11-14

Family

ID=25540111

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1998TO001053A IT1303588B1 (it) 1997-12-18 1998-12-18 Punta per la perforazione del terreno con un gruppo di tenuta di tipoperfezionato di un cuscinetto.

Country Status (4)

Country Link
US (2) US6026917A (it)
BE (1) BE1013076A5 (it)
GB (1) GB2332461B (it)
IT (1) IT1303588B1 (it)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6196339B1 (en) * 1995-12-19 2001-03-06 Smith International, Inc. Dual-seal drill bit pressure communication system
SE516079C2 (sv) * 1998-12-18 2001-11-12 Sandvik Ab Rullborrkrona
US6336512B1 (en) * 1999-02-02 2002-01-08 Smith International, Inc. Drill bit having canted seal
US6533051B1 (en) * 1999-09-07 2003-03-18 Smith International, Inc. Roller cone drill bit shale diverter
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
US7044242B2 (en) * 2001-04-26 2006-05-16 Halliburton Energy Services, Inc. Roller cone bits with reduced packing
US6626575B2 (en) 2001-06-07 2003-09-30 Roller Bearing Company Of America Spherical plain bearing with spread lock dual sealing means
US6820704B2 (en) 2001-08-08 2004-11-23 Smith International, Inc. Rock bit seal with extrusion prevention member
US6684966B2 (en) 2001-10-18 2004-02-03 Baker Hughes Incorporated PCD face seal for earth-boring bit
US7086487B2 (en) 2002-07-01 2006-08-08 Baker Hughes Incorporated Anti-mud packing seal gland
US7229077B2 (en) * 2003-06-11 2007-06-12 Smith International, Inc. Ordered elastomeric composite material
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
US7066286B2 (en) * 2004-03-25 2006-06-27 Baker Hughes Incorporated Gage surface scraper
US7347290B2 (en) * 2004-06-15 2008-03-25 Smith International, Inc. Multi-part energizer for mechanical seal assembly
US7188691B2 (en) * 2004-06-15 2007-03-13 Smith International, Inc. Metal seal with impact-absorbing ring
US7914006B2 (en) * 2004-07-09 2011-03-29 Baker Hughes Incorporated Drilling tool with elastomer seal having graded properties
US7461708B2 (en) * 2004-08-16 2008-12-09 Smith International, Inc. Elastomeric seal assembly having auxiliary annular seal components
US7413037B2 (en) * 2004-09-17 2008-08-19 Baker Hughes Incorporated Metal face seal for an earth-boring bit
US20060065445A1 (en) * 2004-09-28 2006-03-30 Smith International, Inc. Rock-bit seals with asymmetric contact profiles
US7241049B2 (en) * 2004-12-03 2007-07-10 Baker Hughes Incorporated Micropore engagement surfaces for earth boring bit
US7472764B2 (en) * 2005-03-25 2009-01-06 Baker Hughes Incorporated Rotary drill bit shank, rotary drill bits so equipped, and methods of manufacture
US7389832B2 (en) * 2006-05-26 2008-06-24 Dyna-Drill Technologies, Inc. Hydrostatic mechanical seal with local pressurization of seal interface
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
CN101182756B (zh) * 2007-12-17 2011-05-11 江汉石油钻头股份有限公司 一种牙轮钻头轴承密封结构
US8967301B2 (en) 2010-02-03 2015-03-03 Baker Hughes Incorporated Composite metallic elastomeric sealing components for roller cone drill bits
CN102287139A (zh) * 2010-06-18 2011-12-21 北京石油化工学院 牙轮钻头金属浮动密封装置
CN102392604A (zh) * 2011-09-15 2012-03-28 江汉石油钻头股份有限公司 一种轴承金属密封结构
US20140225328A1 (en) * 2013-02-08 2014-08-14 Baker Hughes Incorporated Enhanced Backup Ring Edge Features for Metal Face Seal in Roller Cone Drill Bits
US9163458B2 (en) 2013-02-13 2015-10-20 Varel International, Ind., L.P. Rock bit having a flexible metal faced seal
US9091130B2 (en) 2013-02-13 2015-07-28 Varel International, Ind., L.P. Rock bit having a radially self-aligning metal faced seal
US9163459B2 (en) 2013-02-13 2015-10-20 Varel International, Ind., L.P. Rock bit having a pressure balanced metal faced seal
US11131148B2 (en) 2019-06-27 2021-09-28 Baker Hughes Oilfield Operations Llc Seal assembly for use in earth-boring rotary tools in subterranean boreholes and related methods
US12188300B2 (en) * 2023-03-24 2025-01-07 Baker Hughes Oilfield Operations Llc Protected back-up rings for metal face seals and earth boring tools incorporating the same

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1641261A (en) * 1927-09-06 Harold wkslock fletcher
US1908049A (en) * 1929-04-04 1933-05-09 Chicago Pneumatic Tool Co Rotary boring drill for deep wells
US2041567A (en) * 1934-08-27 1936-05-19 Nelson Emil Engine piston
US2107788A (en) * 1937-01-09 1938-02-08 Jesse E Hall Deballing drill bit
US3762485A (en) * 1972-09-05 1973-10-02 Milchem Inc Process for the prevention of balling
US4174848A (en) * 1978-03-01 1979-11-20 Dresser Industries, Inc. Latching mechanism for reciprocating impact tools
US4176848A (en) * 1978-06-30 1979-12-04 Dresser Industries, Inc. Rotary bearing seal for drill bits
US4256351A (en) * 1978-11-24 1981-03-17 Dresser Industries, Inc. Sealing system for a rolling cone cutter earth boring bit
US4277109A (en) * 1979-09-12 1981-07-07 Dresser Industries, Inc. Axial compression positive rock bit seal
US4741406A (en) * 1980-03-24 1988-05-03 Reed Tool Company Drill bit having offset roller cutters and improved nozzles
US4848476A (en) * 1980-03-24 1989-07-18 Reed Tool Company Drill bit having offset roller cutters and improved nozzles
US4428687A (en) * 1981-05-11 1984-01-31 Hughes Tool Company Floating seal for earth boring bit
US4516641A (en) * 1983-10-17 1985-05-14 Hughes Tool Company-Usa Earth boring bit with pressure compensating rigid face seal
US4753045A (en) 1985-10-01 1988-06-28 General Motors Corporation Adjustable double end grinding machine
US4629338A (en) * 1986-03-31 1986-12-16 Dresser Industries, Inc. Seal and bearing apparatus for bits
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
US4727942A (en) 1986-11-05 1988-03-01 Hughes Tool Company Compensator for earth boring 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
US4784231A (en) * 1987-08-07 1988-11-15 Dresser Industries, Inc. Extended drill bit nozzle having side discharge ports
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
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
US5096005A (en) * 1990-03-30 1992-03-17 Camco International Inc. Hydraulic action for 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
US5360076A (en) * 1992-04-03 1994-11-01 Hughes Tool Company Dual metal face seal with single recessed energizer
US5295549A (en) * 1992-12-14 1994-03-22 Baker Hughes Incorporated Mechanical lock to prevent seal ring rotation
US5472058A (en) * 1994-04-20 1995-12-05 Smith International, Inc. Rock bit with mechanical seal
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

Also Published As

Publication number Publication date
ITTO981053A1 (it) 2000-06-18
GB2332461A (en) 1999-06-23
GB2332461A9 (en)
US6026917A (en) 2000-02-22
US6142249A (en) 2000-11-07
IT1303588B1 (it) 2000-11-14
GB9827666D0 (en) 1999-02-10
BE1013076A5 (fr) 2001-09-04
GB2332461B (en) 2002-10-30

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Legal Events

Date Code Title Description
0001 Granted