EP0878602A3 - Elément de coupe avec une surface en matériaux extra-dur - Google Patents
Elément de coupe avec une surface en matériaux extra-dur Download PDFInfo
- Publication number
- EP0878602A3 EP0878602A3 EP98303775A EP98303775A EP0878602A3 EP 0878602 A3 EP0878602 A3 EP 0878602A3 EP 98303775 A EP98303775 A EP 98303775A EP 98303775 A EP98303775 A EP 98303775A EP 0878602 A3 EP0878602 A3 EP 0878602A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- grooves
- ribs
- facing table
- cutting elements
- series
- 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.)
- Withdrawn
Links
- 239000000758 substrate Substances 0.000 abstract 2
- 229910003460 diamond Inorganic materials 0.000 abstract 1
- 239000010432 diamond Substances 0.000 abstract 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical group [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 abstract 1
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9709861.0A GB9709861D0 (en) | 1997-05-16 | 1997-05-16 | Elements faced with superhard material |
GB9709861 | 1997-05-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0878602A2 EP0878602A2 (fr) | 1998-11-18 |
EP0878602A3 true EP0878602A3 (fr) | 1999-08-25 |
Family
ID=10812351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98303775A Withdrawn EP0878602A3 (fr) | 1997-05-16 | 1998-05-14 | Elément de coupe avec une surface en matériaux extra-dur |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0878602A3 (fr) |
GB (2) | GB9709861D0 (fr) |
ZA (1) | ZA984058B (fr) |
Families Citing this family (4)
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 |
CN102959177B (zh) * | 2010-06-24 | 2016-01-20 | 贝克休斯公司 | 钻地工具的切削元件、包括这种切削元件的钻地工具以及形成钻地工具的切削元件的方法 |
US9138872B2 (en) | 2013-03-13 | 2015-09-22 | Diamond Innovations, Inc. | Polycrystalline diamond drill blanks with improved carbide interface geometries |
CN103670284A (zh) * | 2013-12-03 | 2014-03-26 | 常州深倍超硬材料有限公司 | 抗冲击耐磨工具 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0133386A2 (fr) * | 1983-06-22 | 1985-02-20 | Megadiamond Industries Inc. | Corps de diamant polycristallin dont la surface comporte des irrégularités augmentées et méthode de sa fabrication |
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 |
GB2270493A (en) * | 1992-09-11 | 1994-03-16 | Gen Electric | Encapsulation of segmented diamond compact |
GB2283772A (en) * | 1993-11-10 | 1995-05-17 | Camco Drilling Group Ltd | Improvements in or relating to elements faced with superhard material |
EP0733777A2 (fr) * | 1995-03-24 | 1996-09-25 | Camco Drilling Group Limited | Elément de coupe pour trépan racleur |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5011515B1 (en) * | 1989-08-07 | 1999-07-06 | Robert H Frushour | Composite polycrystalline diamond compact with improved impact resistance |
US5355969A (en) * | 1993-03-22 | 1994-10-18 | U.S. Synthetic Corporation | Composite polycrystalline cutting element with improved fracture and delamination resistance |
-
1997
- 1997-05-16 GB GBGB9709861.0A patent/GB9709861D0/en active Pending
-
1998
- 1998-05-14 GB GB9810215A patent/GB2325481B/en not_active Expired - Lifetime
- 1998-05-14 EP EP98303775A patent/EP0878602A3/fr not_active Withdrawn
- 1998-05-14 ZA ZA984058A patent/ZA984058B/xx unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0133386A2 (fr) * | 1983-06-22 | 1985-02-20 | Megadiamond Industries Inc. | Corps de diamant polycristallin dont la surface comporte des irrégularités augmentées et méthode de sa fabrication |
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 |
GB2270493A (en) * | 1992-09-11 | 1994-03-16 | Gen Electric | Encapsulation of segmented diamond compact |
GB2283772A (en) * | 1993-11-10 | 1995-05-17 | Camco Drilling Group Ltd | Improvements in or relating to elements faced with superhard material |
EP0733777A2 (fr) * | 1995-03-24 | 1996-09-25 | Camco Drilling Group Limited | Elément de coupe pour trépan racleur |
Also Published As
Publication number | Publication date |
---|---|
EP0878602A2 (fr) | 1998-11-18 |
ZA984058B (en) | 1998-11-25 |
GB2325481A (en) | 1998-11-25 |
GB9709861D0 (en) | 1997-07-09 |
GB9810215D0 (en) | 1998-07-08 |
GB2325481B (en) | 2001-12-12 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AK | Designated contracting states |
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AX | Request for extension of the european patent |
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PUAL | Search report despatched |
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RIC1 | Information provided on ipc code assigned before grant |
Free format text: 6E 21B 10/56 A, 6B 23P 5/00 B |
|
17P | Request for examination filed |
Effective date: 20000126 |
|
AKX | Designation fees paid |
Free format text: BE DE FR IE |
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17Q | First examination report despatched |
Effective date: 20040408 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20050121 |