GB2433277B - A drill bit - Google Patents

A drill bit

Info

Publication number
GB2433277B
GB2433277B GB0624882A GB0624882A GB2433277B GB 2433277 B GB2433277 B GB 2433277B GB 0624882 A GB0624882 A GB 0624882A GB 0624882 A GB0624882 A GB 0624882A GB 2433277 B GB2433277 B GB 2433277B
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
GB0624882A
Other languages
English (en)
Other versions
GB2433277A (en
GB0624882D0 (en
Inventor
Scott D Mcdonough
Amardeep Singh
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 GB0624882D0 publication Critical patent/GB0624882D0/en
Publication of GB2433277A publication Critical patent/GB2433277A/en
Application granted granted Critical
Publication of GB2433277B publication Critical patent/GB2433277B/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
    • E21B10/02—Core bits
    • E21B10/06—Roller core bits
    • 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

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)
GB0624882A 2005-12-14 2006-12-13 A drill bit Expired - Fee Related GB2433277B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75041505P 2005-12-14 2005-12-14

Publications (3)

Publication Number Publication Date
GB0624882D0 GB0624882D0 (en) 2007-01-24
GB2433277A GB2433277A (en) 2007-06-20
GB2433277B true GB2433277B (en) 2009-04-22

Family

ID=37712068

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0624882A Expired - Fee Related GB2433277B (en) 2005-12-14 2006-12-13 A drill bit

Country Status (3)

Country Link
US (1) US20070131457A1 (fr)
CA (1) CA2571062A1 (fr)
GB (1) GB2433277B (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9574405B2 (en) 2005-09-21 2017-02-21 Smith International, Inc. Hybrid disc bit with optimized PDC cutter placement
US8678111B2 (en) 2007-11-16 2014-03-25 Baker Hughes Incorporated Hybrid drill bit and design method
US8141664B2 (en) * 2009-03-03 2012-03-27 Baker Hughes Incorporated Hybrid drill bit with high bearing pin angles
US8672060B2 (en) * 2009-07-31 2014-03-18 Smith International, Inc. High shear roller cone drill bits
US9004198B2 (en) 2009-09-16 2015-04-14 Baker Hughes Incorporated External, divorced PDC bearing assemblies for hybrid drill bits
EP2588704B1 (fr) 2010-06-29 2017-11-01 Baker Hughes Incorporated Trépans avec caractéristiques anti-suivis
CN101886522B (zh) * 2010-07-16 2012-07-25 西南石油大学 一种以切削方式破岩的轮式钻头
CN101892810B (zh) * 2010-07-16 2012-07-25 西南石油大学 一种以切削方式破岩的复合式钻头
BR112013020524B1 (pt) 2011-02-11 2020-09-29 Baker Hughes Incorporated Broca de perfuração de sondagem de terra híbrida e método de montagem de uma broca de perfuração de sondagem de terra híbrida
US9782857B2 (en) 2011-02-11 2017-10-10 Baker Hughes Incorporated Hybrid drill bit having increased service life
WO2013074788A1 (fr) 2011-11-15 2013-05-23 Baker Hughes Incorporated Trépans de forage hybrides ayant une efficacité de forage accrue
US20150090501A1 (en) * 2013-10-02 2015-04-02 Varel International Ind., L.P. Roller cutter drill bit with mixed bearing types
MX2016015278A (es) 2014-05-23 2017-03-03 Baker Hughes Inc Broca hibrida con elementos de cono de rodillo unidos mecanicamente.
US11428050B2 (en) 2014-10-20 2022-08-30 Baker Hughes Holdings Llc Reverse circulation hybrid bit
WO2024057278A1 (fr) * 2022-09-16 2024-03-21 Sandvik Mining And Rock Technology India Private Limited Trépan rotatif de forage de terrain et procédé

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4427081A (en) * 1982-01-19 1984-01-24 Dresser Industries, Inc. Rotary rock bit with independently true rolling cutters
GB2384503A (en) * 2002-01-24 2003-07-30 Smith International Roller cone drill bit with inherent walk characteristics

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2184067A (en) * 1939-01-03 1939-12-19 John A Zublin Drill bit
US2463932A (en) * 1944-05-23 1949-03-08 John A Zublin Drilling bit
US4984643A (en) * 1990-03-21 1991-01-15 Hughes Tool Company Anti-balling earth boring bit
US6390210B1 (en) * 1996-04-10 2002-05-21 Smith International, Inc. Rolling cone bit with gage and off-gage cutter elements positioned to separate sidewall and bottom hole cutting duty

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4427081A (en) * 1982-01-19 1984-01-24 Dresser Industries, Inc. Rotary rock bit with independently true rolling cutters
GB2384503A (en) * 2002-01-24 2003-07-30 Smith International Roller cone drill bit with inherent walk characteristics

Also Published As

Publication number Publication date
CA2571062A1 (fr) 2007-06-14
GB2433277A (en) 2007-06-20
US20070131457A1 (en) 2007-06-14
GB0624882D0 (en) 2007-01-24

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Legal Events

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

Effective date: 20111213