GB2384014B - Earth-boring bit and nozzle - Google Patents

Earth-boring bit and nozzle

Info

Publication number
GB2384014B
GB2384014B GB0305138A GB0305138A GB2384014B GB 2384014 B GB2384014 B GB 2384014B GB 0305138 A GB0305138 A GB 0305138A GB 0305138 A GB0305138 A GB 0305138A GB 2384014 B GB2384014 B GB 2384014B
Authority
GB
United Kingdom
Prior art keywords
earth
nozzle
boring bit
boring
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
GB0305138A
Other versions
GB2384014A (en
GB0305138D0 (en
Inventor
James A Larsen
Michael Allen Siracki
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 US09/266,567 external-priority patent/US6311793B1/en
Application filed by Smith International Inc filed Critical Smith International Inc
Publication of GB0305138D0 publication Critical patent/GB0305138D0/en
Publication of GB2384014A publication Critical patent/GB2384014A/en
Application granted granted Critical
Publication of GB2384014B publication Critical patent/GB2384014B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • E21B10/61—Drill bits characterised by conduits or nozzles for drilling fluids characterised by the nozzle structure
    • 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
    • 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
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
GB0305138A 1999-03-11 2000-03-10 Earth-boring bit and nozzle Expired - Fee Related GB2384014B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/266,567 US6311793B1 (en) 1999-03-11 1999-03-11 Rock bit nozzle and retainer assembly
GB0005910A GB2348658B (en) 1999-03-11 2000-03-10 Earth-boring bit

Publications (3)

Publication Number Publication Date
GB0305138D0 GB0305138D0 (en) 2003-04-09
GB2384014A GB2384014A (en) 2003-07-16
GB2384014B true GB2384014B (en) 2003-10-01

Family

ID=26243854

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0305140A Expired - Fee Related GB2383062B (en) 1999-03-11 2000-03-10 Earth-boring bit
GB0305138A Expired - Fee Related GB2384014B (en) 1999-03-11 2000-03-10 Earth-boring bit and nozzle

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0305140A Expired - Fee Related GB2383062B (en) 1999-03-11 2000-03-10 Earth-boring bit

Country Status (1)

Country Link
GB (2) GB2383062B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7040423B2 (en) 2004-02-26 2006-05-09 Smith International, Inc. Nozzle bore for high flow rates
US7694608B2 (en) 2005-12-20 2010-04-13 Smith International, Inc. Method of manufacturing a matrix body drill bit
WO2007100857A2 (en) * 2006-02-28 2007-09-07 Vortexx Group, Inc. Nozzle that produce angular momentum and methods for making and using same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5494124A (en) * 1993-10-08 1996-02-27 Vortexx Group, Inc. Negative pressure vortex nozzle

Also Published As

Publication number Publication date
GB0305140D0 (en) 2003-04-09
GB2383062A (en) 2003-06-18
GB2384014A (en) 2003-07-16
GB0305138D0 (en) 2003-04-09
GB2383062B (en) 2003-08-27

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Legal Events

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

Effective date: 20120310