GB2443115B - Drill bit - Google Patents

Drill bit

Info

Publication number
GB2443115B
GB2443115B GB0800963A GB0800963A GB2443115B GB 2443115 B GB2443115 B GB 2443115B GB 0800963 A GB0800963 A GB 0800963A GB 0800963 A GB0800963 A GB 0800963A GB 2443115 B GB2443115 B GB 2443115B
Authority
GB
United Kingdom
Prior art keywords
drill bit
drill
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.)
Expired - Fee Related
Application number
GB0800963A
Other versions
GB2443115A (en
GB0800963D0 (en
Inventor
Syed Hossain
James Layne Larsen
Dwayne P Terracina
Quan Van Nguyen
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
Priority claimed from US10/816,542 external-priority patent/US7252164B2/en
Application filed by Smith International Inc filed Critical Smith International Inc
Priority to GB0800963A priority Critical patent/GB2443115B/en
Publication of GB0800963D0 publication Critical patent/GB0800963D0/en
Publication of GB2443115A publication Critical patent/GB2443115A/en
Application granted granted Critical
Publication of GB2443115B publication Critical patent/GB2443115B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E21B10/16—Roller bits characterised by tooth form or arrangement
    • 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
    • E21B10/18—Roller 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)
GB0800963A 2004-04-01 2005-03-31 Drill bit Expired - Fee Related GB2443115B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0800963A GB2443115B (en) 2004-04-01 2005-03-31 Drill bit

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/816,542 US7252164B2 (en) 2004-04-01 2004-04-01 Cutting structure based hydraulics
GB0506555A GB2412676B (en) 2004-04-01 2005-03-31 Drill bit
GB0800963A GB2443115B (en) 2004-04-01 2005-03-31 Drill bit

Publications (3)

Publication Number Publication Date
GB0800963D0 GB0800963D0 (en) 2008-02-27
GB2443115A GB2443115A (en) 2008-04-23
GB2443115B true GB2443115B (en) 2008-08-06

Family

ID=39262697

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0800963A Expired - Fee Related GB2443115B (en) 2004-04-01 2005-03-31 Drill bit

Country Status (1)

Country Link
GB (1) GB2443115B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7913778B2 (en) 2007-10-12 2011-03-29 Smith International, Inc. Rock bit with hydraulic configuration
US8091654B2 (en) 2007-10-12 2012-01-10 Smith International, Inc Rock bit with vectored hydraulic nozzle retention sleeves
GB2461430B (en) * 2007-10-12 2010-06-16 Smith International Rock bit with hydraulics configuration

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4516642A (en) * 1980-03-24 1985-05-14 Reed Rock Bit Company Drill bit having angled nozzles for improved bit and well bore cleaning
US4784231A (en) * 1987-08-07 1988-11-15 Dresser Industries, Inc. Extended drill bit nozzle having side discharge ports
US5096005A (en) * 1990-03-30 1992-03-17 Camco International Inc. Hydraulic action for rotary drill bits
US5934389A (en) * 1993-07-06 1999-08-10 Ramsey; Mark S. Method for increasing hydraulic efficiency of drilling
US6098728A (en) * 1998-03-27 2000-08-08 Baker Hughes Incorporated Rock bit nozzle arrangement
US6354387B1 (en) * 1999-02-25 2002-03-12 Baker Hughes Incorporated Nozzle orientation for roller cone rock bit
GB2373522A (en) * 2001-03-22 2002-09-25 Smith International Nozzle arrangement for roller cone drill bit
GB2408763A (en) * 2003-12-05 2005-06-08 Smith International Roller cone drill bit with cleaning nozzles

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4516642A (en) * 1980-03-24 1985-05-14 Reed Rock Bit Company Drill bit having angled nozzles for improved bit and well bore cleaning
US4784231A (en) * 1987-08-07 1988-11-15 Dresser Industries, Inc. Extended drill bit nozzle having side discharge ports
US5096005A (en) * 1990-03-30 1992-03-17 Camco International Inc. Hydraulic action for rotary drill bits
US5934389A (en) * 1993-07-06 1999-08-10 Ramsey; Mark S. Method for increasing hydraulic efficiency of drilling
US6098728A (en) * 1998-03-27 2000-08-08 Baker Hughes Incorporated Rock bit nozzle arrangement
US6354387B1 (en) * 1999-02-25 2002-03-12 Baker Hughes Incorporated Nozzle orientation for roller cone rock bit
GB2373522A (en) * 2001-03-22 2002-09-25 Smith International Nozzle arrangement for roller cone drill bit
GB2408763A (en) * 2003-12-05 2005-06-08 Smith International Roller cone drill bit with cleaning nozzles

Also Published As

Publication number Publication date
GB2443115A (en) 2008-04-23
GB0800963D0 (en) 2008-02-27

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Legal Events

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

Effective date: 20120331