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
GB2449331A (en
GB0806198D0 (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 to US92194007P priority Critical
Priority to US94470607P priority
Priority to US12/059,775 priority patent/US7832506B2/en
Application filed by Smith International Inc filed Critical Smith International Inc
Priority claimed from GB0921832A external-priority 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
Application status is Expired - Fee Related legal-status Critical
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C30/00Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
    • C23C30/005Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process on hard metal substrates
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C29/00Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
    • C22C29/06Alloys 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
    • C22C29/08Alloys 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
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/08Roller bits
    • E21B10/16Roller bits characterised by tooth form or arrangement
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
    • B22F5/00Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F2005/001Cutting tools, earth boring or grinding tool other than table ware
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 (3)

Application Number Priority Date Filing Date Title
US92194007P true 2007-04-05 2007-04-05
US94470607P true 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

Applications Claiming Priority (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

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
GB2449331A (en) 2008-11-19
GB0806198D0 (en) 2008-05-14

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Legal Events

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

Effective date: 20150404