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GB2375364B - Engineered enhanced inserts for rock drilling bits - Google Patents

Engineered enhanced inserts for rock drilling bits

Info

Publication number
GB2375364B
GB2375364B GB0213827A GB0213827A GB2375364B GB 2375364 B GB2375364 B GB 2375364B GB 0213827 A GB0213827 A GB 0213827A GB 0213827 A GB0213827 A GB 0213827A GB 2375364 B GB2375364 B GB 2375364B
Authority
GB
United Kingdom
Prior art keywords
rock drilling
drilling bits
enhanced inserts
engineered
engineered enhanced
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
GB0213827A
Other versions
GB2375364A (en
GB0213827D0 (en
Inventor
Nathan Roy Anderson
Daniel J Belnap
Chris E Cawthorne
Ronald K Eyre
Madapusi K Keshaven
Per I Nese
Michael Allen Siracki
Gary Ray Portwood
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 US09/023,264 external-priority patent/US6199645B1/en
Application filed by Smith International Inc filed Critical Smith International Inc
Publication of GB0213827D0 publication Critical patent/GB0213827D0/en
Publication of GB2375364A publication Critical patent/GB2375364A/en
Application granted granted Critical
Publication of GB2375364B publication Critical patent/GB2375364B/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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56—Button-type inserts

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)
GB0213827A 1998-02-13 1999-02-12 Engineered enhanced inserts for rock drilling bits Expired - Fee Related GB2375364B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/023,264 US6199645B1 (en) 1998-02-13 1998-02-13 Engineered enhanced inserts for rock drilling bits
GB9903066A GB2334278B (en) 1998-02-13 1999-02-12 Engineered enhanced inserts for rock drilling bits

Publications (3)

Publication Number Publication Date
GB0213827D0 GB0213827D0 (en) 2002-07-24
GB2375364A GB2375364A (en) 2002-11-13
GB2375364B true GB2375364B (en) 2003-01-08

Family

ID=26315115

Family Applications (3)

Application Number Title Priority Date Filing Date
GB0213830A Expired - Fee Related GB2375126B (en) 1998-02-13 1999-02-12 Engineered enhanced inserts for rock drilling bits
GB0213827A Expired - Fee Related GB2375364B (en) 1998-02-13 1999-02-12 Engineered enhanced inserts for rock drilling bits
GB0213834A Expired - Fee Related GB2375127B (en) 1998-02-13 1999-02-12 Engineered enhanced inserts for rock drilling bits

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0213830A Expired - Fee Related GB2375126B (en) 1998-02-13 1999-02-12 Engineered enhanced inserts for rock drilling bits

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0213834A Expired - Fee Related GB2375127B (en) 1998-02-13 1999-02-12 Engineered enhanced inserts for rock drilling bits

Country Status (1)

Country Link
GB (3) GB2375126B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102128008A (en) * 2011-03-24 2011-07-20 中南大学 Polycrystalline diamond-hard alloy composite rock breaking button down-the-hole bit and manufacturing process thereof

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7032693B2 (en) * 2002-08-30 2006-04-25 Smith International, Inc. Preformed tooth for tooth bit
CN104727752B (en) * 2013-12-18 2017-12-26 中国石油化工股份有限公司 A kind of polycrystal diamond composite teeth and its manufacture method and a kind of drill bit
CN108474239A (en) * 2016-01-13 2018-08-31 斯伦贝谢技术有限公司 Angled chisel insertion piece

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2279093A (en) * 1993-06-14 1994-12-21 Baker Hughes Inc Earth boring bit
GB2290325A (en) * 1994-06-18 1995-12-20 Camco Drilling Group Ltd Improvements in or relating to elements faced with superhard material

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2279093A (en) * 1993-06-14 1994-12-21 Baker Hughes Inc Earth boring bit
GB2290325A (en) * 1994-06-18 1995-12-20 Camco Drilling Group Ltd Improvements in or relating to elements faced with superhard material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102128008A (en) * 2011-03-24 2011-07-20 中南大学 Polycrystalline diamond-hard alloy composite rock breaking button down-the-hole bit and manufacturing process thereof

Also Published As

Publication number Publication date
GB2375364A (en) 2002-11-13
GB0213834D0 (en) 2002-07-24
GB2375126A (en) 2002-11-06
GB2375127A (en) 2002-11-06
GB2375126B (en) 2003-01-08
GB2375127B (en) 2003-01-08
GB0213827D0 (en) 2002-07-24
GB0213830D0 (en) 2002-07-24

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Legal Events

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

Effective date: 20150212