SE9803997L - En borrkrona och ett stift - Google Patents
En borrkrona och ett stiftInfo
- Publication number
- SE9803997L SE9803997L SE9803997A SE9803997A SE9803997L SE 9803997 L SE9803997 L SE 9803997L SE 9803997 A SE9803997 A SE 9803997A SE 9803997 A SE9803997 A SE 9803997A SE 9803997 L SE9803997 L SE 9803997L
- Authority
- SE
- Sweden
- Prior art keywords
- drill bit
- acute angle
- drill
- drill body
- cemented carbide
- Prior art date
Links
- 230000001154 acute effect Effects 0.000 abstract 3
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B10/5673—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a non planar or non circular cutting face
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9803997A SE9803997L (sv) | 1998-11-20 | 1998-11-20 | En borrkrona och ett stift |
US09/443,312 US6220376B1 (en) | 1998-11-20 | 1999-11-19 | Drill bit and button |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9803997A SE9803997L (sv) | 1998-11-20 | 1998-11-20 | En borrkrona och ett stift |
Publications (2)
Publication Number | Publication Date |
---|---|
SE9803997D0 SE9803997D0 (sv) | 1998-11-20 |
SE9803997L true SE9803997L (sv) | 2000-05-21 |
Family
ID=20413374
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9803997A SE9803997L (sv) | 1998-11-20 | 1998-11-20 | En borrkrona och ett stift |
Country Status (2)
Country | Link |
---|---|
US (1) | US6220376B1 (sv) |
SE (1) | SE9803997L (sv) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE515294C2 (sv) | 1999-11-25 | 2001-07-09 | Sandvik Ab | Bergborrkrona och stift för slående borrning samt metod att tillverka en bergborrkrona för slående borrning |
SE523913C2 (sv) * | 2002-04-04 | 2004-06-01 | Sandvik Ab | Slående borrkrona och ett stift därför |
US20060011388A1 (en) * | 2003-01-31 | 2006-01-19 | Mohammed Boudrare | Drill bit and cutter element having multiple extensions |
US20050257963A1 (en) * | 2004-05-20 | 2005-11-24 | Joseph Tucker | Self-Aligning Insert for Drill Bits |
US20070267226A1 (en) * | 2006-05-11 | 2007-11-22 | Smith International, Inc. | Percussion drill bit and method of drilling a borehole |
US7669674B2 (en) | 2006-08-11 | 2010-03-02 | Hall David R | Degradation assembly |
US8567532B2 (en) | 2006-08-11 | 2013-10-29 | Schlumberger Technology Corporation | Cutting element attached to downhole fixed bladed bit at a positive rake angle |
US8215420B2 (en) | 2006-08-11 | 2012-07-10 | Schlumberger Technology Corporation | Thermally stable pointed diamond with increased impact resistance |
US8622155B2 (en) | 2006-08-11 | 2014-01-07 | Schlumberger Technology Corporation | Pointed diamond working ends on a shear bit |
US9145742B2 (en) | 2006-08-11 | 2015-09-29 | Schlumberger Technology Corporation | Pointed working ends on a drill bit |
US8714285B2 (en) | 2006-08-11 | 2014-05-06 | Schlumberger Technology Corporation | Method for drilling with a fixed bladed bit |
US7637574B2 (en) | 2006-08-11 | 2009-12-29 | Hall David R | Pick assembly |
US8590644B2 (en) * | 2006-08-11 | 2013-11-26 | Schlumberger Technology Corporation | Downhole drill bit |
US9051795B2 (en) | 2006-08-11 | 2015-06-09 | Schlumberger Technology Corporation | Downhole drill bit |
US9068410B2 (en) | 2006-10-26 | 2015-06-30 | Schlumberger Technology Corporation | Dense diamond body |
US8960337B2 (en) | 2006-10-26 | 2015-02-24 | Schlumberger Technology Corporation | High impact resistant tool with an apex width between a first and second transitions |
US9051794B2 (en) | 2007-04-12 | 2015-06-09 | Schlumberger Technology Corporation | High impact shearing element |
DE102007053913A1 (de) * | 2007-11-09 | 2009-05-20 | Schunk Sonosystems Gmbh | Verfahren zum Reduzieren des Anlegierens von Aluminium sowie Ultraschallschweißvorrichtung |
US8540037B2 (en) | 2008-04-30 | 2013-09-24 | Schlumberger Technology Corporation | Layered polycrystalline diamond |
US8701799B2 (en) | 2009-04-29 | 2014-04-22 | Schlumberger Technology Corporation | Drill bit cutter pocket restitution |
CA2797137C (en) | 2010-04-23 | 2015-06-30 | Baker Hughes Incorporated | Cutting elements for earth-boring tools, earth-boring tools including such cutting elements and related methods |
JP5445405B2 (ja) * | 2010-09-06 | 2014-03-19 | 三菱マテリアル株式会社 | 掘削ビット |
US9243452B2 (en) * | 2011-04-22 | 2016-01-26 | Baker Hughes Incorporated | Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods |
US9482057B2 (en) | 2011-09-16 | 2016-11-01 | Baker Hughes Incorporated | Cutting elements for earth-boring tools, earth-boring tools including such cutting elements and related methods |
US9650837B2 (en) | 2011-04-22 | 2017-05-16 | Baker Hughes Incorporated | Multi-chamfer cutting elements having a shaped cutting face and earth-boring tools including such cutting elements |
US8991525B2 (en) | 2012-05-01 | 2015-03-31 | Baker Hughes Incorporated | Earth-boring tools having cutting elements with cutting faces exhibiting multiple coefficients of friction, and related methods |
US9428966B2 (en) | 2012-05-01 | 2016-08-30 | Baker Hughes Incorporated | Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods |
US9103174B2 (en) | 2011-04-22 | 2015-08-11 | Baker Hughes Incorporated | Cutting elements for earth-boring tools, earth-boring tools including such cutting elements and related methods |
US9187962B2 (en) | 2011-04-26 | 2015-11-17 | Smith International, Inc. | Methods of attaching rolling cutters in fixed cutter bits using sleeve, compression spring, and/or pin(s)/ball(s) |
US9739097B2 (en) | 2011-04-26 | 2017-08-22 | Smith International, Inc. | Polycrystalline diamond compact cutters with conic shaped end |
GB2510341B (en) * | 2013-01-30 | 2019-12-18 | Nov Downhole Eurasia Ltd | Cutting Element |
US9140072B2 (en) | 2013-02-28 | 2015-09-22 | Baker Hughes Incorporated | Cutting elements including non-planar interfaces, earth-boring tools including such cutting elements, and methods of forming cutting elements |
JP2014196616A (ja) * | 2013-03-29 | 2014-10-16 | 三菱マテリアル株式会社 | 掘削ビット |
US10995614B1 (en) * | 2014-04-02 | 2021-05-04 | The Sollami Company | Non-rotating bit/holder with tip insert |
US11339653B1 (en) * | 2014-04-02 | 2022-05-24 | The Sollami Company | Non-rotating bit/holder with tip insert |
US11891895B1 (en) | 2014-04-23 | 2024-02-06 | The Sollami Company | Bit holder with annular rings |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4109737A (en) * | 1976-06-24 | 1978-08-29 | General Electric Company | Rotary drill bit |
SU791889A1 (ru) * | 1977-12-07 | 1980-12-30 | Татарский Государственный Научно- Исследовательский И Проектный Институт Нефтяной Промышленности | Буровое долото |
SE459679B (sv) * | 1985-09-02 | 1989-07-24 | Santrade Ltd | Stift foer bergborrkrona |
SU1344888A1 (ru) * | 1986-01-28 | 1987-10-15 | Всесоюзный Научно-Исследовательский Институт Буровой Техники | Породоразрушающий зубок бурового долота |
SE9002135D0 (sv) | 1990-06-15 | 1990-06-15 | Sandvik Ab | Improved tools for percussive and rotary crusching rock drilling provided with a diamond layer |
US5379854A (en) | 1993-08-17 | 1995-01-10 | Dennis Tool Company | Cutting element for drill bits |
US5575342A (en) | 1995-05-26 | 1996-11-19 | Sandvik Ab | Percussion drill bit, an insert for use therein and a method of drilling a bore |
US5758733A (en) * | 1996-04-17 | 1998-06-02 | Baker Hughes Incorporated | Earth-boring bit with super-hard cutting elements |
EP0920568B1 (en) * | 1997-06-20 | 2004-05-06 | Baker Hughes Incorporated | Cutting element tip configuration for an earth-boring bit |
US6003623A (en) * | 1998-04-24 | 1999-12-21 | Dresser Industries, Inc. | Cutters and bits for terrestrial boring |
-
1998
- 1998-11-20 SE SE9803997A patent/SE9803997L/sv not_active Application Discontinuation
-
1999
- 1999-11-19 US US09/443,312 patent/US6220376B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6220376B1 (en) | 2001-04-24 |
SE9803997D0 (sv) | 1998-11-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |