GB2473995B - Methods of forming polycrystalline diamond cutters - Google Patents

Methods of forming polycrystalline diamond cutters

Info

Publication number
GB2473995B
GB2473995B GB1101214.3A GB201101214A GB2473995B GB 2473995 B GB2473995 B GB 2473995B GB 201101214 A GB201101214 A GB 201101214A GB 2473995 B GB2473995 B GB 2473995B
Authority
GB
United Kingdom
Prior art keywords
methods
polycrystalline diamond
forming polycrystalline
diamond cutters
cutters
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
GB1101214.3A
Other versions
GB2473995A (en
GB201101214D0 (en
Inventor
Youhe Zhang
Yuelin Shen
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
Application filed by Smith International Inc filed Critical Smith International Inc
Publication of GB201101214D0 publication Critical patent/GB201101214D0/en
Publication of GB2473995A publication Critical patent/GB2473995A/en
Application granted granted Critical
Publication of GB2473995B publication Critical patent/GB2473995B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • E21B10/573—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts characterised by support details, e.g. the substrate construction or the interface between the substrate and the cutting element
    • E21B10/5735—Interface between the substrate and the cutting element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D99/00—Subject matter not provided for in other groups of this subclass
    • B24D99/005—Segments of abrasive wheels
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • E21B10/573—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts characterised by support details, e.g. the substrate construction or the interface between the substrate and the cutting element
GB1101214.3A 2008-07-17 2009-07-17 Methods of forming polycrystalline diamond cutters Expired - Fee Related GB2473995B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8161908P 2008-07-17 2008-07-17
PCT/US2009/051022 WO2010009416A2 (en) 2008-07-17 2009-07-17 Methods of forming polycrystalline diamond cutters

Publications (3)

Publication Number Publication Date
GB201101214D0 GB201101214D0 (en) 2011-03-09
GB2473995A GB2473995A (en) 2011-03-30
GB2473995B true GB2473995B (en) 2013-01-09

Family

ID=41529297

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1101214.3A Expired - Fee Related GB2473995B (en) 2008-07-17 2009-07-17 Methods of forming polycrystalline diamond cutters

Country Status (5)

Country Link
US (1) US20100012389A1 (en)
CN (1) CN102099541B (en)
GB (1) GB2473995B (en)
WO (1) WO2010009416A2 (en)
ZA (1) ZA201100927B (en)

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Also Published As

Publication number Publication date
WO2010009416A2 (en) 2010-01-21
ZA201100927B (en) 2011-10-26
GB2473995A (en) 2011-03-30
CN102099541B (en) 2015-06-17
US20100012389A1 (en) 2010-01-21
GB201101214D0 (en) 2011-03-09
CN102099541A (en) 2011-06-15
WO2010009416A3 (en) 2010-04-15

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PCNP Patent ceased through non-payment of renewal fee

Effective date: 20150717