GB9813000D0 - Rotary cone rock bit - Google Patents

Rotary cone rock bit

Info

Publication number
GB9813000D0
GB9813000D0 GBGB9813000.8A GB9813000A GB9813000D0 GB 9813000 D0 GB9813000 D0 GB 9813000D0 GB 9813000 A GB9813000 A GB 9813000A GB 9813000 D0 GB9813000 D0 GB 9813000D0
Authority
GB
United Kingdom
Prior art keywords
rock bit
rotary cone
cone rock
rotary
bit
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Withdrawn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
GBGB9813000.8A
Other versions
GB2326894A (en
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Withdrawn legal-status Critical Current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

    • 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
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 true GB9813000D0 (en) 1998-08-12
GB2326894A 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 (en)
CA (1) CA2240023C (en)
GB (1) GB2326894A (en)
SE (5) SE9802318L (en)

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 (en) * 2011-05-18 2013-06-27 Открытое акционерное общество "Волгабурмаш" (ОАО "Волгабурмаш") Drill bit with blowing face by air and sealing of rolling cutter bearings

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
SE0000839L (en) 2000-03-14
CA2240023C (en) 2007-02-13
SE9802318D0 (en) 1998-06-29
SE0000840D0 (en) 2000-03-14
SE519685C2 (en) 2003-04-01
AU731531B2 (en) 2001-03-29
SE0000839D0 (en) 2000-03-14
GB2326894A (en) 1999-01-06
SE0000841D0 (en) 2000-03-14
SE519576C2 (en) 2003-03-18
SE0000842L (en) 2000-03-14
SE0000841L (en) 2000-03-14
SE9802318L (en) 1999-01-02
SE0000842D0 (en) 2000-03-14
SE519577C2 (en) 2003-03-18
AU7396198A (en) 1999-01-14
SE518362C2 (en) 2002-10-01
CA2240023A1 (en) 1999-01-01
SE0000840L (en) 2000-03-14

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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)