GB2398330B - Single-cone rock bit having cutting structure adapted to improve hole cleaning,and to reduce tracking and bit balling - Google Patents

Single-cone rock bit having cutting structure adapted to improve hole cleaning,and to reduce tracking and bit balling

Info

Publication number
GB2398330B
GB2398330B GB0411152A GB0411152A GB2398330B GB 2398330 B GB2398330 B GB 2398330B GB 0411152 A GB0411152 A GB 0411152A GB 0411152 A GB0411152 A GB 0411152A GB 2398330 B GB2398330 B GB 2398330B
Authority
GB
United Kingdom
Prior art keywords
bit
cutting structure
structure adapted
hole cleaning
improve hole
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
GB0411152A
Other versions
GB0411152D0 (en
GB2398330A (en
Inventor
Ying Xiang
Iv George Bodo Witman
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 US10/152,498 external-priority patent/US6719073B2/en
Application filed by Smith International Inc filed Critical Smith International Inc
Publication of GB0411152D0 publication Critical patent/GB0411152D0/en
Publication of GB2398330A publication Critical patent/GB2398330A/en
Application granted granted Critical
Publication of GB2398330B publication Critical patent/GB2398330B/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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1092—Gauge section of drill 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
    • E21B10/16—Roller bits characterised by tooth form or arrangement

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)
GB0411152A 2002-05-21 2003-05-01 Single-cone rock bit having cutting structure adapted to improve hole cleaning,and to reduce tracking and bit balling Expired - Fee Related GB2398330B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/152,498 US6719073B2 (en) 2002-05-21 2002-05-21 Single-cone rock bit having cutting structure adapted to improve hole cleaning, and to reduce tracking and bit balling
GB0310084A GB2388857B (en) 2002-05-21 2003-05-01 Single-cone rock bit having cutting structure adapted to improve hole cleaning,and to reduce tracking and bit balling

Publications (3)

Publication Number Publication Date
GB0411152D0 GB0411152D0 (en) 2004-06-23
GB2398330A GB2398330A (en) 2004-08-18
GB2398330B true GB2398330B (en) 2005-01-19

Family

ID=32737559

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0411152A Expired - Fee Related GB2398330B (en) 2002-05-21 2003-05-01 Single-cone rock bit having cutting structure adapted to improve hole cleaning,and to reduce tracking and bit balling

Country Status (1)

Country Link
GB (1) GB2398330B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7743855B2 (en) 2006-09-05 2010-06-29 Smith International, Inc. Drill bit with cutter element having multifaceted, slanted top cutting surface
US7757789B2 (en) 2005-06-21 2010-07-20 Smith International, Inc. Drill bit and insert having bladed interface between substrate and coating
US7798258B2 (en) 2007-01-03 2010-09-21 Smith International, Inc. Drill bit with cutter element having crossing chisel crests
US8205692B2 (en) 2007-01-03 2012-06-26 Smith International, Inc. Rock bit and inserts with a chisel crest having a broadened region

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7040424B2 (en) * 2003-03-04 2006-05-09 Smith International, Inc. Drill bit and cutter having insert clusters and method of manufacture
US7624825B2 (en) 2005-10-18 2009-12-01 Smith International, Inc. Drill bit and cutter element having aggressive leading side
US7631709B2 (en) 2007-01-03 2009-12-15 Smith International, Inc. Drill bit and cutter element having chisel crest with protruding pilot portion
US7686106B2 (en) 2007-01-03 2010-03-30 Smith International, Inc. Rock bit and inserts with wear relief grooves
US8607899B2 (en) 2011-02-18 2013-12-17 National Oilwell Varco, L.P. Rock bit and cutter teeth geometries
US20140182947A1 (en) 2012-12-28 2014-07-03 Smith International, Inc. Cutting insert for percussion drill bit
WO2017123562A1 (en) 2016-01-13 2017-07-20 Schlumberger Technology Corporation Angled chisel insert

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5353885A (en) * 1991-05-01 1994-10-11 Smith International, Inc. Rock bit
US6167975B1 (en) * 1999-04-01 2001-01-02 Rock Bit International, Inc. One cone rotary drill bit featuring enhanced grooves

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5353885A (en) * 1991-05-01 1994-10-11 Smith International, Inc. Rock bit
US6167975B1 (en) * 1999-04-01 2001-01-02 Rock Bit International, Inc. One cone rotary drill bit featuring enhanced grooves

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7757789B2 (en) 2005-06-21 2010-07-20 Smith International, Inc. Drill bit and insert having bladed interface between substrate and coating
US7743855B2 (en) 2006-09-05 2010-06-29 Smith International, Inc. Drill bit with cutter element having multifaceted, slanted top cutting surface
US7798258B2 (en) 2007-01-03 2010-09-21 Smith International, Inc. Drill bit with cutter element having crossing chisel crests
US8205692B2 (en) 2007-01-03 2012-06-26 Smith International, Inc. Rock bit and inserts with a chisel crest having a broadened region

Also Published As

Publication number Publication date
GB0411152D0 (en) 2004-06-23
GB2398330A (en) 2004-08-18

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Legal Events

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

Effective date: 20150501