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GB2417045B - Core bit having features for controlling flow split - Google Patents

Core bit having features for controlling flow split

Info

Publication number
GB2417045B
GB2417045B GB0521236A GB0521236A GB2417045B GB 2417045 B GB2417045 B GB 2417045B GB 0521236 A GB0521236 A GB 0521236A GB 0521236 A GB0521236 A GB 0521236A GB 2417045 B GB2417045 B GB 2417045B
Authority
GB
United Kingdom
Prior art keywords
features
controlling flow
core bit
flow split
split
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
GB0521236A
Other versions
GB2417045A (en
GB0521236D0 (en
Inventor
Michael R Wells
Luc Van Puymbroeck
Holger Stibbe
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.)
Baker Hughes Holdings LLC
Original Assignee
Baker Hughes 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 US10/099,873 external-priority patent/US7055626B2/en
Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of GB0521236D0 publication Critical patent/GB0521236D0/en
Publication of GB2417045A publication Critical patent/GB2417045A/en
Application granted granted Critical
Publication of GB2417045B publication Critical patent/GB2417045B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • E21B10/605—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a core-bit

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)
GB0521236A 2002-03-15 2003-02-24 Core bit having features for controlling flow split Expired - Fee Related GB2417045B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/099,873 US7055626B2 (en) 2002-03-15 2002-03-15 Core bit having features for controlling flow split
GB0304075A GB2386388B (en) 2002-03-15 2003-02-24 Core bit having features for controlling flow split

Publications (3)

Publication Number Publication Date
GB0521236D0 GB0521236D0 (en) 2005-11-23
GB2417045A GB2417045A (en) 2006-02-15
GB2417045B true GB2417045B (en) 2006-07-19

Family

ID=35613703

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0521236A Expired - Fee Related GB2417045B (en) 2002-03-15 2003-02-24 Core bit having features for controlling flow split

Country Status (1)

Country Link
GB (1) GB2417045B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7431107B2 (en) 2003-01-22 2008-10-07 Schlumberger Technology Corporation Coring bit with uncoupled sleeve
US7191831B2 (en) 2004-06-29 2007-03-20 Schlumberger Technology Corporation Downhole formation testing tool
US8613330B2 (en) 2011-07-05 2013-12-24 Schlumberger Technology Corporation Coring tools and related methods

Also Published As

Publication number Publication date
GB2417045A (en) 2006-02-15
GB0521236D0 (en) 2005-11-23

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Legal Events

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

Effective date: 20180224