GB9508226D0 - Improvements in or relating to elements faced with superhard material - Google Patents

Improvements in or relating to elements faced with superhard material

Info

Publication number
GB9508226D0
GB9508226D0 GBGB9508226.9A GB9508226A GB9508226D0 GB 9508226 D0 GB9508226 D0 GB 9508226D0 GB 9508226 A GB9508226 A GB 9508226A GB 9508226 D0 GB9508226 D0 GB 9508226D0
Authority
GB
United Kingdom
Prior art keywords
relating
superhard material
elements faced
faced
elements
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.)
Pending
Application number
GBGB9508226.9A
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.)
Camco Drilling Group Ltd
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
Priority to GBGB9508226.9A priority Critical patent/GB9508226D0/en
Publication of GB9508226D0 publication Critical patent/GB9508226D0/en
Priority to GB9608077A priority patent/GB2300016B/en
Priority to EP96302709A priority patent/EP0738823B1/en
Priority to DE69622311T priority patent/DE69622311T2/en
Priority to ZA963120A priority patent/ZA963120B/en
Pending 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

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)
GBGB9508226.9A 1995-04-22 1995-04-22 Improvements in or relating to elements faced with superhard material Pending GB9508226D0 (en)

Priority Applications (5)

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
GB9608077A GB2300016B (en) 1995-04-22 1996-04-18 Improvements in or relating to elements faced with superhard material
EP96302709A EP0738823B1 (en) 1995-04-22 1996-04-18 Improvements in or relating to elements faced with superhard material
DE69622311T DE69622311T2 (en) 1995-04-22 1996-04-18 Cutting element with a surface made of super hard material
ZA963120A ZA963120B (en) 1995-04-22 1996-04-19 Improvement in or relating to elements faced with super-hard material

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
GB9508226D0 true GB9508226D0 (en) 1995-06-07

Family

ID=10773377

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9508226.9A Pending GB9508226D0 (en) 1995-04-22 1995-04-22 Improvements in or relating to elements faced with superhard material
GB9608077A Expired - Fee Related GB2300016B (en) 1995-04-22 1996-04-18 Improvements in or relating to elements faced with superhard material

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9608077A Expired - Fee Related GB2300016B (en) 1995-04-22 1996-04-18 Improvements in or relating to elements faced with superhard 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
EP0893572B1 (en) * 1997-07-26 2003-12-10 Camco International (UK) Limited Improvements in or relating to elements faced with superhard material
US6082474A (en) * 1997-07-26 2000-07-04 Camco International Limited 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
GB2308144B (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
EP0738823A2 (en) 1996-10-23
DE69622311T2 (en) 2003-02-20
EP0738823B1 (en) 2002-07-17
DE69622311D1 (en) 2002-08-22
ZA963120B (en) 1996-10-24
GB9608077D0 (en) 1996-06-19
GB2300016B (en) 1998-12-02
EP0738823A3 (en) 1997-11-05
GB2300016A (en) 1996-10-23

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