SE9802318D0 - Protected lubricant reservoir for sealed bearing earth boring drill bit - Google Patents

Protected lubricant reservoir for sealed bearing earth boring drill bit

Info

Publication number
SE9802318D0
SE9802318D0 SE9802318A SE9802318A SE9802318D0 SE 9802318 D0 SE9802318 D0 SE 9802318D0 SE 9802318 A SE9802318 A SE 9802318A SE 9802318 A SE9802318 A SE 9802318A SE 9802318 D0 SE9802318 D0 SE 9802318D0
Authority
SE
Sweden
Prior art keywords
reservoir
lubricant reservoir
drill bit
legs
sealed bearing
Prior art date
Application number
SE9802318A
Other languages
English (en)
Other versions
SE9802318L (sv
Inventor
Jr Robert H Slaughter
Peter T Cariveau
Kirk A Norris
Roger Didericksen
William M Conn
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 SE9802318D0 publication Critical patent/SE9802318D0/sv
Publication of SE9802318L publication Critical patent/SE9802318L/sv

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
    • E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details
    • 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
    • E21B10/003—Drill bits with cutting edges facing in opposite axial directions
    • 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
    • E21B10/18—Roller bits characterised by conduits or nozzles for drilling fluids
SE9802318A 1997-07-01 1998-06-29 Skyddad smörjmedelsreservoar för markborrkrona med kapslad lagring SE9802318L (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5137397P 1997-07-01 1997-07-01
US92586997A 1997-09-09 1997-09-09

Publications (2)

Publication Number Publication Date
SE9802318D0 true SE9802318D0 (sv) 1998-06-29
SE9802318L SE9802318L (sv) 1999-01-02

Family

ID=26729352

Family Applications (5)

Application Number Title Priority Date Filing Date
SE9802318A SE9802318L (sv) 1997-07-01 1998-06-29 Skyddad smörjmedelsreservoar för markborrkrona med kapslad lagring
SE0000842A SE519685C2 (sv) 1997-07-01 2000-03-14 Roterande konbergborrkrona med kapslad lagring och en skyddad smörjmedelsreservoar
SE0000841A SE519577C2 (sv) 1997-07-01 2000-03-14 Roterande konbergborrkrona med kapslad lagring och en skyddad smörjmedelsreservoar
SE0000839A SE518362C2 (sv) 1997-07-01 2000-03-14 Skyddad smörjmedelsreservoar för markborrkrona med kapslad lagring
SE0000840A SE519576C2 (sv) 1997-07-01 2000-03-14 Roterande konbergborrkrona med kapslad lagring och en skyddad smörjmedelsreservoar

Family Applications After (4)

Application Number Title Priority Date Filing Date
SE0000842A SE519685C2 (sv) 1997-07-01 2000-03-14 Roterande konbergborrkrona med kapslad lagring och en skyddad smörjmedelsreservoar
SE0000841A SE519577C2 (sv) 1997-07-01 2000-03-14 Roterande konbergborrkrona med kapslad lagring och en skyddad smörjmedelsreservoar
SE0000839A SE518362C2 (sv) 1997-07-01 2000-03-14 Skyddad smörjmedelsreservoar för markborrkrona med kapslad lagring
SE0000840A SE519576C2 (sv) 1997-07-01 2000-03-14 Roterande konbergborrkrona med kapslad lagring och en skyddad smörjmedelsreservoar

Country Status (4)

Country Link
AU (1) AU731531B2 (sv)
CA (1) CA2240023C (sv)
GB (1) GB2326894A (sv)
SE (5) SE9802318L (sv)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2355747B (en) * 1999-11-01 2001-12-12 Baker Hughes Inc Journal bearing for earth-boring bit
US7749947B2 (en) 2006-05-01 2010-07-06 Smith International, Inc. High performance rock bit grease
US8047309B2 (en) 2007-03-14 2011-11-01 Baker Hughes Incorporated Passive and active up-drill features on fixed cutter earth-boring tools and related systems and methods
US7677338B2 (en) 2007-03-14 2010-03-16 Overstreet James L System, method, and apparatus for passive and active updrill features on roller cone drill bits
RU2486329C2 (ru) * 2011-05-18 2013-06-27 Открытое акционерное общество "Волгабурмаш" (ОАО "Волгабурмаш") Буровое долото с продувкой забоя воздухом и герметизацией опор шарошек

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3917028A (en) * 1975-01-13 1975-11-04 Smith International Lubrication reservoir assembly
GB1524914A (en) * 1976-06-14 1978-09-13 Smith International Rotary rock drill bits
US4375242A (en) * 1980-08-11 1983-03-01 Hughes Tool Company Sealed and lubricated rock bit with air protected seal ring
US4793719A (en) * 1987-11-18 1988-12-27 Smith International, Inc. Precision roller bearing rock bits

Also Published As

Publication number Publication date
SE0000840L (sv) 2000-03-14
SE518362C2 (sv) 2002-10-01
AU7396198A (en) 1999-01-14
SE0000839D0 (sv) 2000-03-14
SE9802318L (sv) 1999-01-02
SE0000841L (sv) 2000-03-14
SE519685C2 (sv) 2003-04-01
SE519577C2 (sv) 2003-03-18
SE0000840D0 (sv) 2000-03-14
GB9813000D0 (en) 1998-08-12
SE0000842D0 (sv) 2000-03-14
GB2326894A (en) 1999-01-06
CA2240023A1 (en) 1999-01-01
SE0000842L (sv) 2000-03-14
SE0000841D0 (sv) 2000-03-14
CA2240023C (en) 2007-02-13
SE0000839L (sv) 2000-03-14
AU731531B2 (en) 2001-03-29
SE519576C2 (sv) 2003-03-18

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Legal Events

Date Code Title Description
NAV Patent application has lapsed