ATE548538T1 - Abgerundete schneidvorrichtungstasche mit verminderter spannungskonzentration - Google Patents
Abgerundete schneidvorrichtungstasche mit verminderter spannungskonzentrationInfo
- Publication number
- ATE548538T1 ATE548538T1 AT08772009T AT08772009T ATE548538T1 AT E548538 T1 ATE548538 T1 AT E548538T1 AT 08772009 T AT08772009 T AT 08772009T AT 08772009 T AT08772009 T AT 08772009T AT E548538 T1 ATE548538 T1 AT E548538T1
- Authority
- AT
- Austria
- Prior art keywords
- rounded
- stress concentration
- cutter pocket
- reduced stress
- insert
- Prior art date
Links
- 238000006073 displacement reaction Methods 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000000034 method Methods 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
-
- 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
- E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
- E21B10/55—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits with preformed cutting elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
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)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Earth Drilling (AREA)
- Milling Processes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US94630007P | 2007-06-26 | 2007-06-26 | |
PCT/US2008/068304 WO2009003088A2 (en) | 2007-06-26 | 2008-06-26 | Rounded cutter pocket having reduced stressed concentration |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE548538T1 true ATE548538T1 (de) | 2012-03-15 |
Family
ID=40159018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT08772009T ATE548538T1 (de) | 2007-06-26 | 2008-06-26 | Abgerundete schneidvorrichtungstasche mit verminderter spannungskonzentration |
Country Status (5)
Country | Link |
---|---|
US (1) | US20090000827A1 (de) |
EP (1) | EP2173962B1 (de) |
AT (1) | ATE548538T1 (de) |
CA (1) | CA2688549A1 (de) |
WO (1) | WO2009003088A2 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7836980B2 (en) * | 2007-08-13 | 2010-11-23 | Baker Hughes Incorporated | Earth-boring tools having pockets for receiving cutting elements and methods for forming earth-boring tools including such pockets |
US8943663B2 (en) * | 2009-04-15 | 2015-02-03 | Baker Hughes Incorporated | Methods of forming and repairing cutting element pockets in earth-boring tools with depth-of-cut control features, and tools and structures formed by such methods |
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 |
US9303460B2 (en) * | 2012-02-03 | 2016-04-05 | Baker Hughes Incorporated | Cutting element retention for high exposure cutting elements on earth-boring tools |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5558170A (en) * | 1992-12-23 | 1996-09-24 | Baroid Technology, Inc. | Method and apparatus for improving drill bit stability |
US5333699A (en) * | 1992-12-23 | 1994-08-02 | Baroid Technology, Inc. | Drill bit having polycrystalline diamond compact cutter with spherical first end opposite cutting end |
US5662183A (en) * | 1995-08-15 | 1997-09-02 | Smith International, Inc. | High strength matrix material for PDC drag bits |
US5737980A (en) * | 1996-06-04 | 1998-04-14 | Smith International, Inc. | Brazing receptacle for improved PCD cutter retention |
US6029760A (en) * | 1998-03-17 | 2000-02-29 | Hall; David R. | Superhard cutting element utilizing tough reinforcement posts |
US6253864B1 (en) * | 1998-08-10 | 2001-07-03 | David R. Hall | Percussive shearing drill bit |
AU1932300A (en) * | 1998-12-04 | 2000-06-26 | Halliburton Energy Services, Inc. | Method for applying hardfacing material to a steel bodied bit and bit formed by such a method |
US6823952B1 (en) * | 2000-10-26 | 2004-11-30 | Smith International, Inc. | Structure for polycrystalline diamond insert drill bit body |
WO2003012244A1 (de) * | 2001-08-01 | 2003-02-13 | Techmo Entwicklungs- Und Vertriebs Gmbh | Bohrkrone |
US6698098B2 (en) * | 2001-10-10 | 2004-03-02 | Smith International, Inc. | Cone erosion protection for roller cone drill bits |
US7625521B2 (en) * | 2003-06-05 | 2009-12-01 | Smith International, Inc. | Bonding of cutters in drill bits |
-
2008
- 2008-06-26 US US12/147,179 patent/US20090000827A1/en not_active Abandoned
- 2008-06-26 WO PCT/US2008/068304 patent/WO2009003088A2/en active Application Filing
- 2008-06-26 AT AT08772009T patent/ATE548538T1/de active
- 2008-06-26 EP EP08772009A patent/EP2173962B1/de not_active Not-in-force
- 2008-06-26 CA CA002688549A patent/CA2688549A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP2173962A2 (de) | 2010-04-14 |
CA2688549A1 (en) | 2008-12-31 |
EP2173962B1 (de) | 2012-03-07 |
WO2009003088A2 (en) | 2008-12-31 |
US20090000827A1 (en) | 2009-01-01 |
WO2009003088A3 (en) | 2009-04-02 |
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