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GB2474180A - PDC bit having split blades - Google Patents

PDC bit having split blades Download PDF

Info

Publication number
GB2474180A
GB2474180A GB1101211A GB201101211A GB2474180A GB 2474180 A GB2474180 A GB 2474180A GB 1101211 A GB1101211 A GB 1101211A GB 201101211 A GB201101211 A GB 201101211A GB 2474180 A GB2474180 A GB 2474180A
Authority
GB
United Kingdom
Prior art keywords
bit
region
disjointed
blade
gage
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.)
Withdrawn
Application number
GB1101211A
Other versions
GB201101211D0 (en
Inventor
Geoffrey M Johnson
Carl M Hoffmaster
Bala Durairajan
Michael George Azar
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 GB201101211D0 publication Critical patent/GB201101211D0/en
Publication of GB2474180A publication Critical patent/GB2474180A/en
Withdrawn legal-status Critical Current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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
    • E21B10/55—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits with preformed cutting elements

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)

Abstract

A drill bit for drilling a borehole in a formation, the drill bit including a bit body having a bit face including a cone region, a nose region, a shoulder region, and a gage region, at least one disjointed blade disposed on the bit face, the disjointed blade including a first section beginning proximate a central axis of the bit and extending less than full gage, and a second section beginning a selected distance from the central axis and extending to full gage, and a plurality of cutting elements mounted on the at least one disjointed blade is disclosed.
GB1101211A 2008-07-25 2009-07-09 PDC bit having split blades Withdrawn GB2474180A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8385108P 2008-07-25 2008-07-25
PCT/US2009/050018 WO2010011500A1 (en) 2008-07-25 2009-07-09 Pdc bit having split blades

Publications (2)

Publication Number Publication Date
GB201101211D0 GB201101211D0 (en) 2011-03-09
GB2474180A true GB2474180A (en) 2011-04-06

Family

ID=41567634

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1101211A Withdrawn GB2474180A (en) 2008-07-25 2009-07-09 PDC bit having split blades

Country Status (3)

Country Link
US (1) US20100018780A1 (en)
GB (1) GB2474180A (en)
WO (1) WO2010011500A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8439136B2 (en) * 2009-04-02 2013-05-14 Atlas Copco Secoroc Llc Drill bit for earth boring
BR112013020374B1 (en) 2011-02-10 2020-08-25 Smith International, Inc. drill bit and downhole cutting tool
RU2589786C2 (en) 2011-06-22 2016-07-10 Смит Интернэшнл, Инк. Drill bit with fixed cutters with elements for producing fragments of core
US11085243B2 (en) 2018-08-02 2021-08-10 Saudi Arabian Oil Company Drill bit cutter
US12270254B2 (en) 2020-10-19 2025-04-08 Taurex Drill Bits, LLC Drill bits with variable cutter alignment
CA3262805A1 (en) 2022-07-22 2024-01-25 Schlumberger Canada Limited Bit insert for a drill bit

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Publication number Priority date Publication date Assignee Title
US4714120A (en) * 1986-01-29 1987-12-22 Hughes Tool Company Diamond drill bit with co-joined cutters
US4907662A (en) * 1986-02-18 1990-03-13 Reed Tool Company Rotary drill bit having improved mounting means for multiple cutting elements
US5033560A (en) * 1990-07-24 1991-07-23 Dresser Industries, Inc. Drill bit with decreasing diameter cutters
US6065553A (en) * 1997-08-20 2000-05-23 Camco International (Uk) Limited Split blade rotary drag type drill bits

Also Published As

Publication number Publication date
US20100018780A1 (en) 2010-01-28
WO2010011500A1 (en) 2010-01-28
GB201101211D0 (en) 2011-03-09

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)