GB0916876D0 - Rock bit with hydraulics configuration - Google Patents

Rock bit with hydraulics configuration

Info

Publication number
GB0916876D0
GB0916876D0 GBGB0916876.6A GB0916876A GB0916876D0 GB 0916876 D0 GB0916876 D0 GB 0916876D0 GB 0916876 A GB0916876 A GB 0916876A GB 0916876 D0 GB0916876 D0 GB 0916876D0
Authority
GB
United Kingdom
Prior art keywords
hydraulics
configuration
rock bit
rock
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.)
Granted
Application number
GBGB0916876.6A
Other versions
GB2461429B (en
GB2461429A (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
Priority claimed from US12/179,989 external-priority patent/US7913778B2/en
Application filed by Smith International Inc filed Critical Smith International Inc
Publication of GB0916876D0 publication Critical patent/GB0916876D0/en
Publication of GB2461429A publication Critical patent/GB2461429A/en
Application granted granted Critical
Publication of GB2461429B publication Critical patent/GB2461429B/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
    • E21B10/18—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)
GB0916876A 2007-10-12 2009-09-25 Rock bit with hydraulics configuration Expired - Fee Related GB2461429B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US97980607P 2007-10-12 2007-10-12
US3888808P 2008-03-24 2008-03-24
US12/179,989 US7913778B2 (en) 2007-10-12 2008-07-25 Rock bit with hydraulic configuration
GB0818100A GB2454068B (en) 2007-10-12 2008-10-03 Rock bit with hydraulics configuration

Publications (3)

Publication Number Publication Date
GB0916876D0 true GB0916876D0 (en) 2009-11-11
GB2461429A GB2461429A (en) 2010-01-06
GB2461429B GB2461429B (en) 2010-06-16

Family

ID=41404165

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0916877A Expired - Fee Related GB2461430B (en) 2007-10-12 2009-09-25 Rock bit with hydraulics configuration
GB0916876A Expired - Fee Related GB2461429B (en) 2007-10-12 2009-09-25 Rock bit with hydraulics configuration

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0916877A Expired - Fee Related GB2461430B (en) 2007-10-12 2009-09-25 Rock bit with hydraulics configuration

Country Status (1)

Country Link
GB (2) GB2461430B (en)

Families Citing this family (2)

* 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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB872076A (en) * 1959-07-22 1961-07-05 Chicago Pneumatic Tool Co Jet rock bit
US6290006B1 (en) * 1998-09-29 2001-09-18 Halliburton Engrey Service Inc. Apparatus and method for a roller bit using collimated jets sweeping separate bottom-hole tracks
US7213661B2 (en) * 2003-12-05 2007-05-08 Smith International, Inc. Dual property hydraulic configuration
GB2443115B (en) * 2004-04-01 2008-08-06 Smith International Drill bit

Also Published As

Publication number Publication date
GB2461429B (en) 2010-06-16
GB2461430B (en) 2010-06-16
GB0916877D0 (en) 2009-11-11
GB2461429A (en) 2010-01-06
GB2461430A (en) 2010-01-06

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Legal Events

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

Effective date: 20161003