GB2449331B - Cutting elements with increased toughness and thermal fatigue resistance for drilling applications - Google Patents

Cutting elements with increased toughness and thermal fatigue resistance for drilling applications

Info

Publication number
GB2449331B
GB2449331B GB0806198A GB0806198A GB2449331B GB 2449331 B GB2449331 B GB 2449331B GB 0806198 A GB0806198 A GB 0806198A GB 0806198 A GB0806198 A GB 0806198A GB 2449331 B GB2449331 B GB 2449331B
Authority
GB
United Kingdom
Prior art keywords
cutting elements
fatigue resistance
thermal fatigue
drilling applications
increased toughness
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
GB0806198A
Other versions
GB0806198D0 (en
GB2449331A (en
Inventor
Dah-Ben Liang
Gary Ray Portwood
James C Minikus
Amardeep Singh
Jonathan Bitler
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 US12/059,775 external-priority patent/US7832506B2/en
Application filed by Smith International Inc filed Critical Smith International Inc
Priority to GB0921832A priority Critical patent/GB2463405B/en
Publication of GB0806198D0 publication Critical patent/GB0806198D0/en
Publication of GB2449331A publication Critical patent/GB2449331A/en
Application granted granted Critical
Publication of GB2449331B publication Critical patent/GB2449331B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
    • C23C30/005—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process on hard metal substrates
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
    • C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
    • C22C29/08—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Drilling Tools (AREA)
  • Earth Drilling (AREA)
GB0806198A 2007-04-05 2008-04-04 Cutting elements with increased toughness and thermal fatigue resistance for drilling applications Expired - Fee Related GB2449331B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0921832A GB2463405B (en) 2007-04-05 2008-04-04 Cutting elements with increased toughness and thermal fatigue resistance for drilling applications

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US92194007P 2007-04-05 2007-04-05
US94470607P 2007-06-18 2007-06-18
US12/059,775 US7832506B2 (en) 2007-04-05 2008-03-31 Cutting elements with increased toughness and thermal fatigue resistance for drilling applications

Publications (3)

Publication Number Publication Date
GB0806198D0 GB0806198D0 (en) 2008-05-14
GB2449331A GB2449331A (en) 2008-11-19
GB2449331B true GB2449331B (en) 2010-01-27

Family

ID=39433175

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0806198A Expired - Fee Related GB2449331B (en) 2007-04-05 2008-04-04 Cutting elements with increased toughness and thermal fatigue resistance for drilling applications

Country Status (1)

Country Link
GB (1) GB2449331B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5697046A (en) * 1994-12-23 1997-12-09 Kennametal Inc. Composite cermet articles and method of making
US20040016557A1 (en) * 2002-07-24 2004-01-29 Keshavan Madapusi K. Coarse carbide substrate cutting elements and method of forming the same
US20060254828A1 (en) * 2001-12-14 2006-11-16 Smith International, Inc. Fracture and wear resistant compounds and rock bits

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5697046A (en) * 1994-12-23 1997-12-09 Kennametal Inc. Composite cermet articles and method of making
US20060254828A1 (en) * 2001-12-14 2006-11-16 Smith International, Inc. Fracture and wear resistant compounds and rock bits
US20040016557A1 (en) * 2002-07-24 2004-01-29 Keshavan Madapusi K. Coarse carbide substrate cutting elements and method of forming the same

Also Published As

Publication number Publication date
GB0806198D0 (en) 2008-05-14
GB2449331A (en) 2008-11-19

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Legal Events

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

Effective date: 20150404