GB9709861D0 - Elements faced with superhard material - Google Patents

Elements faced with superhard material

Info

Publication number
GB9709861D0
GB9709861D0 GBGB9709861.0A GB9709861A GB9709861D0 GB 9709861 D0 GB9709861 D0 GB 9709861D0 GB 9709861 A GB9709861 A GB 9709861A GB 9709861 D0 GB9709861 D0 GB 9709861D0
Authority
GB
United Kingdom
Prior art keywords
superhard material
elements faced
faced
elements
superhard
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
GBGB9709861.0A
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.)
ReedHycalog UK Ltd
Original Assignee
Camco International UK 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 International UK Ltd filed Critical Camco International UK Ltd
Priority to GBGB9709861.0A priority Critical patent/GB9709861D0/en
Publication of GB9709861D0 publication Critical patent/GB9709861D0/en
Priority to GB9810215A priority patent/GB2325481B/en
Priority to ZA984058A priority patent/ZA984058B/en
Priority to EP98303775A priority patent/EP0878602A3/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)
  • Powder Metallurgy (AREA)
  • Drilling Tools (AREA)
GBGB9709861.0A 1997-05-16 1997-05-16 Elements faced with superhard material Pending GB9709861D0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GBGB9709861.0A GB9709861D0 (en) 1997-05-16 1997-05-16 Elements faced with superhard material
GB9810215A GB2325481B (en) 1997-05-16 1998-05-14 Elements faced with superhard material
ZA984058A ZA984058B (en) 1997-05-16 1998-05-14 Elements faced with superhard material
EP98303775A EP0878602A3 (en) 1997-05-16 1998-05-14 Cutting elements faced with superhard material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9709861.0A GB9709861D0 (en) 1997-05-16 1997-05-16 Elements faced with superhard material

Publications (1)

Publication Number Publication Date
GB9709861D0 true GB9709861D0 (en) 1997-07-09

Family

ID=10812351

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9709861.0A Pending GB9709861D0 (en) 1997-05-16 1997-05-16 Elements faced with superhard material
GB9810215A Expired - Lifetime GB2325481B (en) 1997-05-16 1998-05-14 Elements faced with superhard material

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9810215A Expired - Lifetime GB2325481B (en) 1997-05-16 1998-05-14 Elements faced with superhard material

Country Status (3)

Country Link
EP (1) EP0878602A3 (en)
GB (2) GB9709861D0 (en)
ZA (1) ZA984058B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6527069B1 (en) * 1998-06-25 2003-03-04 Baker Hughes Incorporated Superabrasive cutter having optimized table thickness and arcuate table-to-substrate interfaces
NO2585669T3 (en) * 2010-06-24 2018-06-02
US9138872B2 (en) 2013-03-13 2015-09-22 Diamond Innovations, Inc. Polycrystalline diamond drill blanks with improved carbide interface geometries
CN103670284A (en) * 2013-12-03 2014-03-26 常州深倍超硬材料有限公司 Impact-resisting wear resisting tool

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4629373A (en) * 1983-06-22 1986-12-16 Megadiamond Industries, Inc. Polycrystalline diamond body with enhanced surface irregularities
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
US5011515B1 (en) * 1989-08-07 1999-07-06 Robert H Frushour Composite polycrystalline diamond compact with improved impact resistance
US5120327A (en) * 1991-03-05 1992-06-09 Diamant-Boart Stratabit (Usa) Inc. Cutting composite formed of cemented carbide substrate and diamond layer
ZA936328B (en) * 1992-09-11 1994-06-16 Gen Electric Encapsulation of segmented diamond compact
US5355969A (en) * 1993-03-22 1994-10-18 U.S. Synthetic Corporation Composite polycrystalline cutting element with improved fracture and delamination resistance
GB2283772B (en) * 1993-11-10 1997-01-15 Camco Drilling Group Ltd Improvements in or relating to elements faced with superhard material
GB9506079D0 (en) * 1995-03-24 1995-05-10 Camco Drilling Group Ltd Improvements in or relating to elements faced with superhard material

Also Published As

Publication number Publication date
EP0878602A3 (en) 1999-08-25
ZA984058B (en) 1998-11-25
GB2325481A (en) 1998-11-25
GB9810215D0 (en) 1998-07-08
EP0878602A2 (en) 1998-11-18
GB2325481B (en) 2001-12-12

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