ZA891836B - Improvements in or relating to cutter assemblies for rotary drill bits - Google Patents
Improvements in or relating to cutter assemblies for rotary drill bitsInfo
- Publication number
- ZA891836B ZA891836B ZA891836A ZA891836A ZA891836B ZA 891836 B ZA891836 B ZA 891836B ZA 891836 A ZA891836 A ZA 891836A ZA 891836 A ZA891836 A ZA 891836A ZA 891836 B ZA891836 B ZA 891836B
- Authority
- ZA
- South Africa
- Prior art keywords
- relating
- drill bits
- rotary drill
- cutter assemblies
- cutter
- Prior art date
Links
- 230000000712 assembly Effects 0.000 title 1
- 238000000429 assembly Methods 0.000 title 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/045—Alloys based on refractory metals
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/0475—Impregnated alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/001—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides
- C22C32/0015—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides with only single oxides as main non-metallic constituents
- C22C32/0031—Matrix based on refractory metals, W, Mo, Nb, Hf, Ta, Zr, Ti, V or alloys thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S76/00—Metal tools and implements, making
- Y10S76/11—Tungsten and tungsten carbide
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Drilling Tools (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB888805789A GB8805789D0 (en) | 1988-03-11 | 1988-03-11 | Improvements in/relating to cutter assemblies for rotary drill bits |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA891836B true ZA891836B (en) | 1991-12-24 |
Family
ID=10633239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA891836A ZA891836B (en) | 1988-03-11 | 1989-03-10 | Improvements in or relating to cutter assemblies for rotary drill bits |
Country Status (6)
Country | Link |
---|---|
US (1) | US4947945A (de) |
EP (1) | EP0332474B1 (de) |
DE (1) | DE68910351T2 (de) |
GB (2) | GB8805789D0 (de) |
IE (1) | IE60967B1 (de) |
ZA (1) | ZA891836B (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5111895A (en) * | 1988-03-11 | 1992-05-12 | Griffin Nigel D | Cutting elements for rotary drill bits |
GB2228031B (en) * | 1989-02-14 | 1993-09-22 | Reed Tool Co | Improvements in or relating to cutting elements for rotary drill bits |
GB2229124B (en) * | 1989-02-16 | 1993-03-31 | Reed Tool Co | Improvements in or relating to methods of manufacturing cutter assemblies for rotary drill bits |
US5033559A (en) * | 1990-05-11 | 1991-07-23 | Dresser Industries, Inc. | Drill bit with faceted profile |
US5281260A (en) * | 1992-02-28 | 1994-01-25 | Baker Hughes Incorporated | High-strength tungsten carbide material for use in earth-boring bits |
CA2091498C (en) * | 1992-03-31 | 2001-12-11 | William Kirk Houser | Apparatus for shear-cutting a stack of amorphous steel strips |
GB2273306B (en) * | 1992-12-10 | 1996-12-18 | Camco Drilling Group Ltd | Improvements in or relating to cutting elements for rotary drill bits |
US5839525A (en) * | 1996-12-23 | 1998-11-24 | Camco International Inc. | Directional drill bit |
US7625521B2 (en) | 2003-06-05 | 2009-12-01 | Smith International, Inc. | Bonding of cutters in drill bits |
US20040245024A1 (en) * | 2003-06-05 | 2004-12-09 | Kembaiyan Kumar T. | Bit body formed of multiple matrix materials and method for making the same |
US20080179104A1 (en) * | 2006-11-14 | 2008-07-31 | Smith International, Inc. | Nano-reinforced wc-co for improved properties |
US20080210473A1 (en) * | 2006-11-14 | 2008-09-04 | Smith International, Inc. | Hybrid carbon nanotube reinforced composite bodies |
AU2012249669B2 (en) | 2011-04-26 | 2016-09-29 | Smith International, Inc. | Methods of attaching rolling cutters in fixed cutter bits using sleeve, compression spring, and/or pin(s)/ball(s) |
CN103492661A (zh) | 2011-04-26 | 2014-01-01 | 史密斯国际有限公司 | 具有圆锥形端部的多晶金刚石压实体切割器 |
DE102012102199A1 (de) | 2012-03-15 | 2013-09-19 | Maschinenfabrik Köppern GmbH & Co KG | Presswalze |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1384785A (fr) * | 1963-11-27 | 1965-01-08 | Jersey Prod Res Co | Procédé de fabrication de pièces par infiltration |
US4024902A (en) * | 1975-05-16 | 1977-05-24 | Baum Charles S | Method of forming metal tungsten carbide composites |
US3979234A (en) * | 1975-09-18 | 1976-09-07 | The United States Of America As Represented By The United States Energy Research And Development Administration | Process for fabricating articles of tungsten-nickel-iron alloy |
US4047514A (en) * | 1976-10-12 | 1977-09-13 | Toyo Kogyo Co., Ltd. | Furnace taphole drilling bit |
CA1053938A (en) * | 1977-11-18 | 1979-05-08 | Robert E. Generoux | Drill bit |
US4128136A (en) * | 1977-12-09 | 1978-12-05 | Lamage Limited | Drill bit |
US4339009A (en) * | 1979-03-27 | 1982-07-13 | Busby Donald W | Button assembly for rotary rock cutters |
US4359335A (en) * | 1980-06-05 | 1982-11-16 | Smith International, Inc. | Method of fabrication of rock bit inserts of tungsten carbide (WC) and cobalt (Co) with cutting surface wear pad of relative hardness and body portion of relative toughness sintered as an integral composite |
DE3226648C2 (de) * | 1982-07-16 | 1984-12-06 | Dornier System Gmbh, 7990 Friedrichshafen | Heterogenes Wolfram-Legierungspulver |
US4478298A (en) * | 1982-12-13 | 1984-10-23 | Petroleum Concepts, Inc. | Drill bit stud and method of manufacture |
AU3592584A (en) * | 1983-12-03 | 1985-06-06 | N.L. Petroleum Products Ltd. | Rotary drill bit |
US4694918A (en) * | 1985-04-29 | 1987-09-22 | Smith International, Inc. | Rock bit with diamond tip inserts |
DE3601707A1 (de) * | 1986-01-22 | 1987-08-13 | Battelle Institut E V | Verfahren zur herstellung von koerpern hoher dichte und hoher zugfestigkeit |
US4722405A (en) * | 1986-10-01 | 1988-02-02 | Dresser Industries, Inc. | Wear compensating rock bit insert |
-
1988
- 1988-03-11 GB GB888805789A patent/GB8805789D0/en active Pending
-
1989
- 1989-03-10 US US07/321,772 patent/US4947945A/en not_active Expired - Lifetime
- 1989-03-10 GB GB8905593A patent/GB2216577B/en not_active Expired - Lifetime
- 1989-03-10 ZA ZA891836A patent/ZA891836B/xx unknown
- 1989-03-13 IE IE78789A patent/IE60967B1/en not_active IP Right Cessation
- 1989-03-13 DE DE89302429T patent/DE68910351T2/de not_active Expired - Fee Related
- 1989-03-13 EP EP89302429A patent/EP0332474B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4947945A (en) | 1990-08-14 |
GB8805789D0 (en) | 1988-04-13 |
IE60967B1 (en) | 1994-09-07 |
EP0332474A1 (de) | 1989-09-13 |
GB2216577B (en) | 1992-05-13 |
DE68910351T2 (de) | 1994-02-24 |
GB8905593D0 (en) | 1989-04-19 |
DE68910351D1 (de) | 1993-12-09 |
GB2216577A (en) | 1989-10-11 |
EP0332474B1 (de) | 1993-11-03 |
IE890787L (en) | 1989-09-11 |
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