GB2361497B - Tooth for a drill bit - Google Patents

Tooth for a drill bit

Info

Publication number
GB2361497B
GB2361497B GB0116850A GB0116850A GB2361497B GB 2361497 B GB2361497 B GB 2361497B GB 0116850 A GB0116850 A GB 0116850A GB 0116850 A GB0116850 A GB 0116850A GB 2361497 B GB2361497 B GB 2361497B
Authority
GB
United Kingdom
Prior art keywords
tooth
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
GB0116850A
Other versions
GB2361497A (en
GB0116850D0 (en
Inventor
Jiinjen Albert Sue
James C Minikus
Zhigang Fang
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 US08/835,135 external-priority patent/US6029759A/en
Application filed by Smith International Inc filed Critical Smith International Inc
Publication of GB0116850D0 publication Critical patent/GB0116850D0/en
Publication of GB2361497A publication Critical patent/GB2361497A/en
Application granted granted Critical
Publication of GB2361497B publication Critical patent/GB2361497B/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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
    • 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)
GB0116850A 1997-04-04 1998-04-02 Tooth for a drill bit Expired - Fee Related GB2361497B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/835,135 US6029759A (en) 1997-04-04 1997-04-04 Hardfacing on steel tooth cutter element
GB9807154A GB2324554B (en) 1997-04-04 1998-04-02 Tooth for a drill bit

Publications (3)

Publication Number Publication Date
GB0116850D0 GB0116850D0 (en) 2001-09-05
GB2361497A GB2361497A (en) 2001-10-24
GB2361497B true GB2361497B (en) 2002-01-09

Family

ID=26313426

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0116850A Expired - Fee Related GB2361497B (en) 1997-04-04 1998-04-02 Tooth for a drill bit

Country Status (1)

Country Link
GB (1) GB2361497B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7690442B2 (en) 2005-05-17 2010-04-06 Smith International, Inc. Drill bit and cutting inserts for hard/abrasive formations
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
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 (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6929079B2 (en) 2003-02-21 2005-08-16 Smith International, Inc. Drill bit cutter element having multiple cusps
US6883624B2 (en) * 2003-01-31 2005-04-26 Smith International, Inc. Multi-lobed cutter element for drill bit
US7624825B2 (en) 2005-10-18 2009-12-01 Smith International, Inc. Drill bit and cutter element having aggressive leading side
US7549490B2 (en) 2005-11-23 2009-06-23 Smith International, Inc. Arrangement of roller cone inserts
US7686106B2 (en) 2007-01-03 2010-03-30 Smith International, Inc. Rock bit and inserts with wear relief grooves
US7798258B2 (en) 2007-01-03 2010-09-21 Smith International, Inc. Drill bit with cutter element having crossing chisel crests
US7631709B2 (en) 2007-01-03 2009-12-15 Smith International, Inc. Drill bit and cutter element having chisel crest with protruding pilot portion
US7730627B2 (en) * 2008-10-08 2010-06-08 General Electric Company Method and device for measuring gear tooth wear
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
CN105156036B (en) 2015-08-27 2018-01-05 中国石油天然气集团公司 Convex ridge type on-plane surface cutting tooth and diamond bit
CN108474239A (en) 2016-01-13 2018-08-31 斯伦贝谢技术有限公司 Angled chisel insertion piece

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2293615A (en) * 1994-09-30 1996-04-03 Baker Hughes Inc Steel tooth bit with a bi-metallic guage hardfacing

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2293615A (en) * 1994-09-30 1996-04-03 Baker Hughes Inc Steel tooth bit with a bi-metallic guage hardfacing

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7690442B2 (en) 2005-05-17 2010-04-06 Smith International, Inc. Drill bit and cutting inserts for hard/abrasive formations
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
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
GB2361497A (en) 2001-10-24
GB0116850D0 (en) 2001-09-05

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Legal Events

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

Effective date: 20120402