GB2278865B - Earth-boring bit with improved rigid face seal - Google Patents

Earth-boring bit with improved rigid face seal

Info

Publication number
GB2278865B
GB2278865B GB9407359A GB9407359A GB2278865B GB 2278865 B GB2278865 B GB 2278865B GB 9407359 A GB9407359 A GB 9407359A GB 9407359 A GB9407359 A GB 9407359A GB 2278865 B GB2278865 B GB 2278865B
Authority
GB
United Kingdom
Prior art keywords
earth
face seal
boring bit
rigid face
improved rigid
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
GB9407359A
Other languages
English (en)
Other versions
GB9407359D0 (en
GB2278865A (en
Inventor
Danny E Scott
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.)
Baker Hughes Holdings LLC
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 GB9407359D0 publication Critical patent/GB9407359D0/en
Publication of GB2278865A publication Critical patent/GB2278865A/en
Application granted granted Critical
Publication of GB2278865B publication Critical patent/GB2278865B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E21B10/22—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)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
GB9407359A 1993-04-16 1994-04-14 Earth-boring bit with improved rigid face seal Expired - Fee Related GB2278865B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4886393A 1993-04-16 1993-04-16

Publications (3)

Publication Number Publication Date
GB9407359D0 GB9407359D0 (en) 1994-06-08
GB2278865A GB2278865A (en) 1994-12-14
GB2278865B true GB2278865B (en) 1996-06-26

Family

ID=21956860

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9407359A Expired - Fee Related GB2278865B (en) 1993-04-16 1994-04-14 Earth-boring bit with improved rigid face seal

Country Status (3)

Country Link
GB (1) GB2278865B (no)
IT (1) IT1274260B (no)
NO (1) NO941375L (no)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7234541B2 (en) 2002-08-19 2007-06-26 Baker Hughes Incorporated DLC coating for earth-boring bit seal ring

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5472058A (en) * 1994-04-20 1995-12-05 Smith International, Inc. Rock bit with mechanical seal
GB9411228D0 (en) * 1994-06-04 1994-07-27 Camco Drilling Group Ltd A modulated bias unit for rotary drilling
US5791421A (en) * 1996-08-06 1998-08-11 Baker Hughes Incorporated Optimal material pair for metal face seal in earth-boring bits
US6684966B2 (en) 2001-10-18 2004-02-03 Baker Hughes Incorporated PCD face seal for earth-boring bit
EP2140095A2 (en) * 2007-04-17 2010-01-06 Baker Hughes Incorporated Elastomer material for high temperature roller cone bits
CN101806195A (zh) 2010-03-09 2010-08-18 江汉石油钻头股份有限公司 一种用于高转速钻井的三牙轮钻头
DE202018100532U1 (de) * 2018-01-31 2018-03-09 Schöning Gmbh Vorrichtung für Offshore-Arbeiten mit einem Getriebemotor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0335497A2 (en) * 1988-03-31 1989-10-04 Smith International, Inc. Metal-to-metal face seal for rock bits

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0335497A2 (en) * 1988-03-31 1989-10-04 Smith International, Inc. Metal-to-metal face seal for rock bits

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7234541B2 (en) 2002-08-19 2007-06-26 Baker Hughes Incorporated DLC coating for earth-boring bit seal ring

Also Published As

Publication number Publication date
NO941375D0 (no) 1994-04-15
ITTO940301A0 (it) 1994-04-15
GB9407359D0 (en) 1994-06-08
GB2278865A (en) 1994-12-14
NO941375L (no) 1994-10-17
ITTO940301A1 (it) 1995-10-15
IT1274260B (it) 1997-07-17

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Legal Events

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

Effective date: 20040414