GB2326894A - Rotary cone rock bit with bearing fluid reservoir - Google Patents

Rotary cone rock bit with bearing fluid reservoir Download PDF

Info

Publication number
GB2326894A
GB2326894A GB9813000A GB9813000A GB2326894A GB 2326894 A GB2326894 A GB 2326894A GB 9813000 A GB9813000 A GB 9813000A GB 9813000 A GB9813000 A GB 9813000A GB 2326894 A GB2326894 A GB 2326894A
Authority
GB
United Kingdom
Prior art keywords
reservoir
bit according
bit
opening
legs
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.)
Withdrawn
Application number
GB9813000A
Other languages
English (en)
Other versions
GB9813000D0 (en
Inventor
Jr Robert H Slaughter
Kirk A Norris
William M Conn
Peter T Cariveau
Roger Didericksen
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 GB9813000D0 publication Critical patent/GB9813000D0/en
Publication of GB2326894A publication Critical patent/GB2326894A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK 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
    • E21B10/24Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/003Drill bits with cutting edges facing in opposite axial directions
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/08Roller bits
    • E21B10/18Roller bits characterised by conduits or nozzles for drilling fluids

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)
  • Earth Drilling (AREA)
GB9813000A 1997-07-01 1998-06-16 Rotary cone rock bit with bearing fluid reservoir Withdrawn GB2326894A (en)

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
GB9813000D0 GB9813000D0 (en) 1998-08-12
GB2326894A true GB2326894A (en) 1999-01-06

Family

ID=26729352

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9813000A Withdrawn GB2326894A (en) 1997-07-01 1998-06-16 Rotary cone rock bit with bearing fluid reservoir

Country Status (4)

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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2355747A (en) * 1999-11-01 2001-05-02 Baker Hughes Inc Journal bearing for earth-boring bit
WO2008112272A1 (en) 2007-03-14 2008-09-18 Baker Hughes Incorporated System, method, and apparatus for passive and active updrill features on roller cone drill bits
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
RU2486329C2 (ru) * 2011-05-18 2013-06-27 Открытое акционерное общество "Волгабурмаш" (ОАО "Волгабурмаш") Буровое долото с продувкой забоя воздухом и герметизацией опор шарошек

Citations (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
GB2081775A (en) * 1980-08-11 1982-02-24 Hughes Tool Co Sealed and lubricated rock bit
US4793719A (en) * 1987-11-18 1988-12-27 Smith International, Inc. Precision roller bearing rock bits

Patent Citations (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
GB2081775A (en) * 1980-08-11 1982-02-24 Hughes Tool Co Sealed and lubricated rock bit
US4793719A (en) * 1987-11-18 1988-12-27 Smith International, Inc. Precision roller bearing rock bits

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2355747A (en) * 1999-11-01 2001-05-02 Baker Hughes Inc Journal bearing for earth-boring bit
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
WO2008112272A1 (en) 2007-03-14 2008-09-18 Baker Hughes Incorporated System, method, and apparatus for passive and active updrill features on roller cone drill bits
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
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
RU2486329C2 (ru) * 2011-05-18 2013-06-27 Открытое акционерное общество "Волгабурмаш" (ОАО "Волгабурмаш") Буровое долото с продувкой забоя воздухом и герметизацией опор шарошек

Also Published As

Publication number Publication date
SE0000842L (sv) 2000-03-14
SE0000842D0 (sv) 2000-03-14
SE519577C2 (sv) 2003-03-18
SE0000841D0 (sv) 2000-03-14
CA2240023C (en) 2007-02-13
CA2240023A1 (en) 1999-01-01
SE0000839D0 (sv) 2000-03-14
GB9813000D0 (en) 1998-08-12
SE9802318D0 (sv) 1998-06-29
SE0000840L (sv) 2000-03-14
SE518362C2 (sv) 2002-10-01
SE0000841L (sv) 2000-03-14
SE0000839L (sv) 2000-03-14
AU731531B2 (en) 2001-03-29
SE0000840D0 (sv) 2000-03-14
AU7396198A (en) 1999-01-14
SE9802318L (sv) 1999-01-02
SE519685C2 (sv) 2003-04-01
SE519576C2 (sv) 2003-03-18

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)