GB2316698B - PDC cutter element having improved substrate configuration - Google Patents

PDC cutter element having improved substrate configuration

Info

Publication number
GB2316698B
GB2316698B GB9717980A GB9717980A GB2316698B GB 2316698 B GB2316698 B GB 2316698B GB 9717980 A GB9717980 A GB 9717980A GB 9717980 A GB9717980 A GB 9717980A GB 2316698 B GB2316698 B GB 2316698B
Authority
GB
United Kingdom
Prior art keywords
cutter element
substrate configuration
pdc cutter
improved substrate
pdc
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
GB9717980A
Other versions
GB9717980D0 (en
GB2316698A (en
Inventor
Graham Mensa-Wilmot
Carl W Keith
Tommy G Ray
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 US08/701,855 external-priority patent/US5906246A/en
Application filed by Smith International Inc filed Critical Smith International Inc
Publication of GB9717980D0 publication Critical patent/GB9717980D0/en
Publication of GB2316698A publication Critical patent/GB2316698A/en
Application granted granted Critical
Publication of GB2316698B publication Critical patent/GB2316698B/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
    • 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
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/141—Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness
    • B23B27/145—Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness characterised by having a special shape
    • B23B27/146—Means to improve the adhesion between the substrate and the coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/101—Chucks with separately-acting jaws movable radially

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
GB9717980A 1996-08-26 1997-08-22 PDC cutter element having improved substrate configuration Expired - Fee Related GB2316698B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US2461096P 1996-08-26 1996-08-26
US08/701,855 US5906246A (en) 1996-06-13 1996-09-04 PDC cutter element having improved substrate configuration
US90188697A 1997-08-06 1997-08-06

Publications (3)

Publication Number Publication Date
GB9717980D0 GB9717980D0 (en) 1997-10-29
GB2316698A GB2316698A (en) 1998-03-04
GB2316698B true GB2316698B (en) 2000-10-18

Family

ID=27362360

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9717980A Expired - Fee Related GB2316698B (en) 1996-08-26 1997-08-22 PDC cutter element having improved substrate configuration

Country Status (1)

Country Link
GB (1) GB2316698B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6571891B1 (en) 1996-04-17 2003-06-03 Baker Hughes Incorporated Web cutter
US6102143A (en) * 1998-05-04 2000-08-15 General Electric Company Shaped polycrystalline cutter elements
GB2379231B (en) * 1998-05-20 2003-04-30 Baker Hughes Inc Reduced residual tensile stress superabrasive cutters for earth boring and drill bits so equipped
US6527069B1 (en) 1998-06-25 2003-03-04 Baker Hughes Incorporated Superabrasive cutter having optimized table thickness and arcuate table-to-substrate interfaces
US6412580B1 (en) * 1998-06-25 2002-07-02 Baker Hughes Incorporated Superabrasive cutter with arcuate table-to-substrate interfaces
GB9820693D0 (en) * 1998-09-24 1998-11-18 Camco Int Uk Ltd Improvements in perform cutting elements for rotary drag-type drill bits
US6227319B1 (en) * 1999-07-01 2001-05-08 Baker Hughes Incorporated Superabrasive cutting elements and drill bit so equipped
US7243745B2 (en) 2004-07-28 2007-07-17 Baker Hughes Incorporated Cutting elements and rotary drill bits including same
CN110769957B (en) * 2017-06-21 2021-02-26 京瓷株式会社 Coated cutting tool, and method for manufacturing cut product

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4784023A (en) * 1985-12-05 1988-11-15 Diamant Boart-Stratabit (Usa) Inc. Cutting element having composite formed of cemented carbide substrate and diamond layer and method of making same
EP0462955A1 (en) * 1990-06-15 1991-12-27 Sandvik Aktiebolag Improved tools for cutting rock drilling
EP0322214B1 (en) * 1987-12-22 1992-06-17 De Beers Industrial Diamond Division (Proprietary) Limited Abrasive product
GB2275068A (en) * 1993-02-10 1994-08-17 Baker Hughes Inc Polycrystalline diamond cutting element
US5355969A (en) * 1993-03-22 1994-10-18 U.S. Synthetic Corporation Composite polycrystalline cutting element with improved fracture and delamination resistance
GB2290328A (en) * 1994-06-18 1995-12-20 Camco Drilling Group Ltd Improvements in or relating to elements faced with superhard material
EP0691167A1 (en) * 1994-07-06 1996-01-10 General Electric Company Abrasive tool insert

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4784023A (en) * 1985-12-05 1988-11-15 Diamant Boart-Stratabit (Usa) Inc. Cutting element having composite formed of cemented carbide substrate and diamond layer and method of making same
EP0322214B1 (en) * 1987-12-22 1992-06-17 De Beers Industrial Diamond Division (Proprietary) Limited Abrasive product
EP0462955A1 (en) * 1990-06-15 1991-12-27 Sandvik Aktiebolag Improved tools for cutting rock drilling
GB2275068A (en) * 1993-02-10 1994-08-17 Baker Hughes Inc Polycrystalline diamond cutting element
US5355969A (en) * 1993-03-22 1994-10-18 U.S. Synthetic Corporation Composite polycrystalline cutting element with improved fracture and delamination resistance
GB2290328A (en) * 1994-06-18 1995-12-20 Camco Drilling Group Ltd Improvements in or relating to elements faced with superhard material
EP0691167A1 (en) * 1994-07-06 1996-01-10 General Electric Company Abrasive tool insert

Also Published As

Publication number Publication date
GB9717980D0 (en) 1997-10-29
GB2316698A (en) 1998-03-04

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Legal Events

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

Effective date: 20150822