ZA963120B - Improvement in or relating to elements faced with super-hard material - Google Patents

Improvement in or relating to elements faced with super-hard material

Info

Publication number
ZA963120B
ZA963120B ZA963120A ZA963120A ZA963120B ZA 963120 B ZA963120 B ZA 963120B ZA 963120 A ZA963120 A ZA 963120A ZA 963120 A ZA963120 A ZA 963120A ZA 963120 B ZA963120 B ZA 963120B
Authority
ZA
South Africa
Prior art keywords
super
relating
improvement
hard material
elements faced
Prior art date
Application number
ZA963120A
Inventor
Terry R Matthias
Alex Newton
Original Assignee
Camco Drilling Group Ltd
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 Camco Drilling Group Ltd filed Critical Camco Drilling Group Ltd
Publication of ZA963120B publication Critical patent/ZA963120B/en

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
ZA963120A 1995-04-22 1996-04-19 Improvement in or relating to elements faced with super-hard material ZA963120B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9508226.9A GB9508226D0 (en) 1995-04-22 1995-04-22 Improvements in or relating to elements faced with superhard material

Publications (1)

Publication Number Publication Date
ZA963120B true ZA963120B (en) 1996-10-24

Family

ID=10773377

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA963120A ZA963120B (en) 1995-04-22 1996-04-19 Improvement in or relating to elements faced with super-hard material

Country Status (4)

Country Link
EP (1) EP0738823B1 (en)
DE (1) DE69622311T2 (en)
GB (2) GB9508226D0 (en)
ZA (1) ZA963120B (en)

Families Citing this family (7)

* 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
US6082474A (en) * 1997-07-26 2000-07-04 Camco International Limited Elements faced with superhard material
EP0893572B1 (en) * 1997-07-26 2003-12-10 Camco International (UK) Limited Improvements in or relating to elements faced with superhard material
US6202771B1 (en) * 1997-09-23 2001-03-20 Baker Hughes Incorporated Cutting element with controlled superabrasive contact area, drill bits so equipped
GB9809690D0 (en) 1998-05-08 1998-07-01 Camco Int Uk Ltd Improvements in elements faced with superhard material
US6488106B1 (en) 2001-02-05 2002-12-03 Varel International, Inc. Superabrasive cutting element
US9138872B2 (en) 2013-03-13 2015-09-22 Diamond Innovations, Inc. Polycrystalline diamond drill blanks with improved carbide interface geometries

Family Cites Families (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
US5120327A (en) * 1991-03-05 1992-06-09 Diamant-Boart Stratabit (Usa) Inc. Cutting composite formed of cemented carbide substrate and diamond layer
GB2273306B (en) * 1992-12-10 1996-12-18 Camco Drilling Group Ltd Improvements in or relating to cutting elements for rotary drill bits
US5351772A (en) * 1993-02-10 1994-10-04 Baker Hughes, Incorporated Polycrystalline diamond cutting element
GB2283772B (en) * 1993-11-10 1997-01-15 Camco Drilling Group Ltd Improvements in or relating to elements faced with superhard material
GB2308143B (en) * 1993-11-10 1998-02-25 Camco Drilling Group Ltd Improvements in or relating to elements faced with superhard material
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
EP0738823B1 (en) 2002-07-17
GB9508226D0 (en) 1995-06-07
DE69622311D1 (en) 2002-08-22
EP0738823A2 (en) 1996-10-23
DE69622311T2 (en) 2003-02-20
GB9608077D0 (en) 1996-06-19
GB2300016B (en) 1998-12-02
EP0738823A3 (en) 1997-11-05
GB2300016A (en) 1996-10-23

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