ATE548538T1 - Abgerundete schneidvorrichtungstasche mit verminderter spannungskonzentration - Google Patents

Abgerundete schneidvorrichtungstasche mit verminderter spannungskonzentration

Info

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
Application number
AT08772009T
Other languages
English (en)
Inventor
Marc Bird
Andy Oxford
Original Assignee
Baker Hughes Inc
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 Baker Hughes Inc filed Critical Baker Hughes Inc
Application granted granted Critical
Publication of ATE548538T1 publication Critical patent/ATE548538T1/de

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
    • 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)
AT08772009T 2007-06-26 2008-06-26 Abgerundete schneidvorrichtungstasche mit verminderter spannungskonzentration ATE548538T1 (de)

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)

* Cited by examiner, † Cited by third party
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
WO2012149086A2 (en) 2011-04-26 2012-11-01 Smith International, Inc. Polycrystalline diamond compact cutters with conic shaped end
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5558170A (en) * 1992-12-23 1996-09-24 Baroid Technology, Inc. Method and apparatus for improving drill bit stability
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

Also Published As

Publication number Publication date
US20090000827A1 (en) 2009-01-01
WO2009003088A3 (en) 2009-04-02
EP2173962B1 (de) 2012-03-07
EP2173962A2 (de) 2010-04-14
CA2688549A1 (en) 2008-12-31
WO2009003088A2 (en) 2008-12-31

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