ATE181983T1 - Bohrmeissel mit verbesserter schneidstruktur - Google Patents

Bohrmeissel mit verbesserter schneidstruktur

Info

Publication number
ATE181983T1
ATE181983T1 AT96100576T AT96100576T ATE181983T1 AT E181983 T1 ATE181983 T1 AT E181983T1 AT 96100576 T AT96100576 T AT 96100576T AT 96100576 T AT96100576 T AT 96100576T AT E181983 T1 ATE181983 T1 AT E181983T1
Authority
AT
Austria
Prior art keywords
cutter
cutting element
drill bits
cutting structure
chisel
Prior art date
Application number
AT96100576T
Other languages
English (en)
Inventor
Danny E Scott
Robert E Grimes
Matthew R Isbell
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 ATE181983T1 publication Critical patent/ATE181983T1/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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1092—Gauge section of drill bits
    • 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
    • E21B10/08—Roller bits
    • E21B10/16—Roller bits characterised by tooth form or arrangement
    • 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
    • E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
    • E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
AT96100576T 1995-01-17 1996-01-16 Bohrmeissel mit verbesserter schneidstruktur ATE181983T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/373,149 US5542485A (en) 1993-07-08 1995-01-17 Earth-boring bit with improved cutting structure

Publications (1)

Publication Number Publication Date
ATE181983T1 true ATE181983T1 (de) 1999-07-15

Family

ID=23471186

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96100576T ATE181983T1 (de) 1995-01-17 1996-01-16 Bohrmeissel mit verbesserter schneidstruktur

Country Status (4)

Country Link
US (1) US5542485A (de)
EP (1) EP0723066B1 (de)
AT (1) ATE181983T1 (de)
DE (1) DE69603093D1 (de)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6209668B1 (en) 1993-07-08 2001-04-03 Baker Hughes Incorporated Earth-boring bit with improved cutting structure
US5819861A (en) * 1993-07-08 1998-10-13 Baker Hughes Incorporated Earth-boring bit with improved cutting structure
US5671817A (en) * 1995-10-02 1997-09-30 Camco International Inc. Drill bit with dual reaming rows
US5709278A (en) 1996-01-22 1998-01-20 Dresser Industries, Inc. Rotary cone drill bit with contoured inserts and compacts
WO1997038205A1 (en) * 1996-04-10 1997-10-16 Smith International, Inc. Rolling cone bit with enhancements in cutter element placement and materials to optimize borehole corner cutting duty
US6390210B1 (en) 1996-04-10 2002-05-21 Smith International, Inc. Rolling cone bit with gage and off-gage cutter elements positioned to separate sidewall and bottom hole cutting duty
US5813485A (en) * 1996-06-21 1998-09-29 Smith International, Inc. Cutter element adapted to withstand tensile stress
US5967245A (en) * 1996-06-21 1999-10-19 Smith International, Inc. Rolling cone bit having gage and nestled gage cutter elements having enhancements in materials and geometry to optimize borehole corner cutting duty
US5868213A (en) * 1997-04-04 1999-02-09 Smith International, Inc. Steel tooth cutter element with gage facing knee
US6029759A (en) * 1997-04-04 2000-02-29 Smith International, Inc. Hardfacing on steel tooth cutter element
US5839526A (en) * 1997-04-04 1998-11-24 Smith International, Inc. Rolling cone steel tooth bit with enhancements in cutter shape and placement
US6367568B2 (en) * 1997-09-04 2002-04-09 Smith International, Inc. Steel tooth cutter element with expanded crest
CA2246511A1 (en) * 1997-09-04 1999-03-04 Smith International, Inc. Cutter element with non-rectilinear crest
US5979575A (en) * 1998-06-25 1999-11-09 Baker Hughes Incorporated Hybrid rock bit
US6065552A (en) * 1998-07-20 2000-05-23 Baker Hughes Incorporated Cutting elements with binderless carbide layer
US6345673B1 (en) 1998-11-20 2002-02-12 Smith International, Inc. High offset bits with super-abrasive cutters
US6290008B1 (en) 1998-12-07 2001-09-18 Smith International, Inc. Inserts for earth-boring bits
US6241035B1 (en) 1998-12-07 2001-06-05 Smith International, Inc. Superhard material enhanced inserts for earth-boring bits
US6227318B1 (en) 1998-12-07 2001-05-08 Smith International, Inc. Superhard material enhanced inserts for earth-boring bits
US6394199B1 (en) 1999-10-05 2002-05-28 Schlumberger Technology Corp. Non-circular gauge reaming row inserts
CA2348188C (en) * 2000-05-18 2006-08-01 Smith International, Inc. Rolling cone bit with elements fanned along the gage curve
US6530441B1 (en) 2000-06-27 2003-03-11 Smith International, Inc. Cutting element geometry for roller cone drill bit
US6997273B2 (en) * 2002-11-15 2006-02-14 Smith International, Inc. Blunt faced cutter element and enhanced drill bit and cutting structure
US20060011388A1 (en) * 2003-01-31 2006-01-19 Mohammed Boudrare Drill bit and cutter element having multiple extensions
US6883624B2 (en) * 2003-01-31 2005-04-26 Smith International, Inc. Multi-lobed cutter element for drill bit
US6929079B2 (en) 2003-02-21 2005-08-16 Smith International, Inc. Drill bit cutter element having multiple cusps
US7040424B2 (en) * 2003-03-04 2006-05-09 Smith International, Inc. Drill bit and cutter having insert clusters and method of manufacture
US7690442B2 (en) * 2005-05-17 2010-04-06 Smith International, Inc. Drill bit and cutting inserts for hard/abrasive formations
US7757789B2 (en) * 2005-06-21 2010-07-20 Smith International, Inc. Drill bit and insert having bladed interface between substrate and coating
US7624825B2 (en) * 2005-10-18 2009-12-01 Smith International, Inc. Drill bit and cutter element having aggressive leading side
US7743855B2 (en) * 2006-09-05 2010-06-29 Smith International, Inc. Drill bit with cutter element having multifaceted, slanted top cutting surface
US7631709B2 (en) 2007-01-03 2009-12-15 Smith International, Inc. Drill bit and cutter element having chisel crest with protruding pilot portion
US7798258B2 (en) * 2007-01-03 2010-09-21 Smith International, Inc. Drill bit with cutter element having crossing chisel crests
US7686106B2 (en) * 2007-01-03 2010-03-30 Smith International, Inc. Rock bit and inserts with wear relief grooves
US8205692B2 (en) * 2007-01-03 2012-06-26 Smith International, Inc. Rock bit and inserts with a chisel crest having a broadened region
US20110168452A1 (en) * 2008-08-14 2011-07-14 Baker Hughes Incorporated Tungsten Carbide Bit with Hardfaced Nose Area
EP2318638A2 (de) * 2008-08-14 2011-05-11 Baker Hughes Incorporated Bohrkegel mit oberflächengehärteter nase
SA111320671B1 (ar) 2010-08-06 2015-01-22 بيكر هوغيس انكور عوامل القطع المشكلة لادوات ثقب الارض و ادوات ثقب الارض شاملة عوامل القطع هذه و الطرق المختصة بها
US8607899B2 (en) 2011-02-18 2013-12-17 National Oilwell Varco, L.P. Rock bit and cutter teeth geometries
BR112014019574A8 (pt) 2012-02-08 2017-07-11 Baker Hughes Inc Elementos de corte moldado para ferramentas de perfuração da terra e ferramentas de perfuração da terra incluindo tais elementos de corte
US20140182947A1 (en) 2012-12-28 2014-07-03 Smith International, Inc. Cutting insert for percussion drill bit
CA3011347A1 (en) 2016-01-13 2017-07-20 Schlumberger Canada Limited Angled chisel insert

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2804282A (en) * 1954-10-11 1957-08-27 Jr Arthur F Spengler Boring drill
US2990025A (en) * 1958-06-16 1961-06-27 Dresser Ind Bit
US3401759A (en) * 1966-10-12 1968-09-17 Hughes Tool Co Heel pack rock bit
US3452831A (en) * 1967-09-20 1969-07-01 Leaman Rex Beyer Rotary reaming and drilling bit
SU473797A1 (ru) * 1973-02-16 1975-06-14 Алметьевское Управление Буровых Работ Объединения "Татнефть" Буровое шарошечное долото
US3952815A (en) * 1975-03-24 1976-04-27 Dresser Industries, Inc. Land erosion protection on a rock cutter
SU802502A1 (ru) * 1979-04-04 1981-02-07 Специальное Конструкторское Бюро По До-Лотам Производственного Объединения"Куйбышевбурмаш" Министерства Хими-Ческого И Нефтяного Машиностроенияссср Буровое шарошечное долото
US4832139A (en) * 1987-06-10 1989-05-23 Smith International, Inc. Inclined chisel inserts for rock bits
US4940099A (en) * 1989-04-05 1990-07-10 Reed Tool Company Cutting elements for roller cutter drill bits
EP0467870B1 (de) * 1990-07-10 1995-01-25 Smith International, Inc. Zahnrollenmeissel mit Umfangsschneideinsätzen
EP0511547B1 (de) * 1991-05-01 1996-12-11 Smith International, Inc. Gesteinsbohrmeissel
US5353885A (en) * 1991-05-01 1994-10-11 Smith International, Inc. Rock bit
US5287936A (en) * 1992-01-31 1994-02-22 Baker Hughes Incorporated Rolling cone bit with shear cutting gage
US5201376A (en) * 1992-04-22 1993-04-13 Dresser Industries, Inc. Rock bit with improved gage insert
US5351768A (en) * 1993-07-08 1994-10-04 Baker Hughes Incorporated Earth-boring bit with improved cutting structure
US5421424A (en) * 1994-06-09 1995-06-06 Smith International, Inc. Bowed out chisel insert for rock bits

Also Published As

Publication number Publication date
EP0723066A3 (de) 1997-08-20
DE69603093D1 (de) 1999-08-12
EP0723066A2 (de) 1996-07-24
EP0723066B1 (de) 1999-07-07
US5542485A (en) 1996-08-06

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