GB0213834D0 - Engineered enhanced inserts for rock drilling bits - Google Patents

Engineered enhanced inserts for rock drilling bits

Info

Publication number
GB0213834D0
GB0213834D0 GBGB0213834.5A GB0213834A GB0213834D0 GB 0213834 D0 GB0213834 D0 GB 0213834D0 GB 0213834 A GB0213834 A GB 0213834A GB 0213834 D0 GB0213834 D0 GB 0213834D0
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.)
Granted
Application number
GBGB0213834.5A
Other versions
GB2375127A (en
GB2375127B (en
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 GB0213834D0 publication Critical patent/GB0213834D0/en
Publication of GB2375127A publication Critical patent/GB2375127A/en
Application granted granted Critical
Publication of GB2375127B publication Critical patent/GB2375127B/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)
GB0213834A 1998-02-13 1999-02-12 Engineered enhanced inserts for rock drilling bits Expired - Fee Related GB2375127B (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
GB0213834D0 true GB0213834D0 (en) 2002-07-24
GB2375127A GB2375127A (en) 2002-11-06
GB2375127B GB2375127B (en) 2003-01-08

Family

ID=26315115

Family Applications (3)

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
GB0213827A Expired - Fee Related GB2375364B (en) 1998-02-13 1999-02-12 Engineered enhanced inserts for rock drilling bits
GB0213830A Expired - Fee Related GB2375126B (en) 1998-02-13 1999-02-12 Engineered enhanced inserts for rock drilling bits

Family Applications After (2)

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

Country Status (1)

Country Link
GB (3) GB2375127B (en)

Families Citing this family (4)

* 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
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
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
WO2017123562A1 (en) 2016-01-13 2017-07-20 Schlumberger Technology Corporation Angled chisel insert

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5351769A (en) * 1993-06-14 1994-10-04 Baker Hughes Incorporated Earth-boring bit having an improved hard-faced tooth structure
GB9412247D0 (en) * 1994-06-18 1994-08-10 Camco Drilling Group Ltd Improvements in or relating to elements faced with superhard material

Also Published As

Publication number Publication date
GB2375127A (en) 2002-11-06
GB2375127B (en) 2003-01-08
GB2375364A (en) 2002-11-13
GB0213830D0 (en) 2002-07-24
GB2375364B (en) 2003-01-08
GB2375126B (en) 2003-01-08
GB0213827D0 (en) 2002-07-24
GB2375126A (en) 2002-11-06

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Legal Events

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

Effective date: 20150212