DE69630485D1 - Erdbohrmeissel mit Umfangsscherelementen - Google Patents

Erdbohrmeissel mit Umfangsscherelementen

Info

Publication number
DE69630485D1
DE69630485D1 DE69630485T DE69630485T DE69630485D1 DE 69630485 D1 DE69630485 D1 DE 69630485D1 DE 69630485 T DE69630485 T DE 69630485T DE 69630485 T DE69630485 T DE 69630485T DE 69630485 D1 DE69630485 D1 DE 69630485D1
Authority
DE
Germany
Prior art keywords
drill bit
shear elements
earth drill
circumferential shear
circumferential
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69630485T
Other languages
English (en)
Inventor
Danny E Scott
Rudolf C O Pessier
Matthew R Isbell
Alain Besson
Nigel Meany
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baker Hughes Holdings LLC
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 DE69630485D1 publication Critical patent/DE69630485D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • E21B10/50—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
    • 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
    • E21B10/5676—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a cutting face with different segments, e.g. mosaic-type inserts
    • 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
    • E21B10/573—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
    • E21B10/5735—Interface between the substrate and the cutting element
    • 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
    • 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
DE69630485T 1995-06-06 1996-06-06 Erdbohrmeissel mit Umfangsscherelementen Expired - Lifetime DE69630485D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/468,692 US5592995A (en) 1995-06-06 1995-06-06 Earth-boring bit having shear-cutting heel elements

Publications (1)

Publication Number Publication Date
DE69630485D1 true DE69630485D1 (de) 2003-12-04

Family

ID=23860843

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69630485T Expired - Lifetime DE69630485D1 (de) 1995-06-06 1996-06-06 Erdbohrmeissel mit Umfangsscherelementen

Country Status (3)

Country Link
US (1) US5592995A (de)
EP (1) EP0747566B1 (de)
DE (1) DE69630485D1 (de)

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5890552A (en) * 1992-01-31 1999-04-06 Baker Hughes Incorporated Superabrasive-tipped inserts for earth-boring drill bits
US5746280A (en) * 1996-06-06 1998-05-05 Baker Hughes Incorporated Earth-boring bit having shear-cutting inner row elements
WO1997048873A2 (en) * 1996-06-21 1997-12-24 Smith International, Inc. Non-symmetrical stress-resistant rotary drill bit cutter element
GB2330850B (en) * 1996-06-21 2000-11-29 Smith International Earth-boring bit
US6059054A (en) * 1996-06-21 2000-05-09 Smith International, Inc. Non-symmetrical stress-resistant rotary drill bit cutter element
US5813485A (en) * 1996-06-21 1998-09-29 Smith International, Inc. Cutter element adapted to withstand tensile stress
GB2330605B (en) * 1996-06-21 2000-08-16 Smith International Cutter element adapted to withstand tensile stress
US5967249A (en) * 1997-02-03 1999-10-19 Baker Hughes Incorporated Superabrasive cutters with structure aligned to loading and method of drilling
US5855247A (en) * 1997-02-14 1999-01-05 Baker Hughes Incorporated Rolling-cutter earth-boring bit having predominantly super-hard cutting elements
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
US5954147A (en) * 1997-07-09 1999-09-21 Baker Hughes Incorporated Earth boring bits with nanocrystalline diamond enhanced elements
SE513015C2 (sv) * 1997-11-19 2000-06-19 Sandvik Ab Rullborrkrona och stiftrulle för bergborrning
US6199645B1 (en) 1998-02-13 2001-03-13 Smith International, Inc. Engineered enhanced inserts for rock drilling bits
US6241036B1 (en) 1998-09-16 2001-06-05 Baker Hughes Incorporated Reinforced abrasive-impregnated cutting elements, drill bits including same
US6176333B1 (en) * 1998-12-04 2001-01-23 Baker Huges Incorporated Diamond cap cutting elements with flats
US6227318B1 (en) 1998-12-07 2001-05-08 Smith International, Inc. Superhard material enhanced inserts for earth-boring bits
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
US6360832B1 (en) * 2000-01-03 2002-03-26 Baker Hughes Incorporated Hardfacing with multiple grade layers
US6510910B2 (en) * 2001-02-09 2003-01-28 Smith International, Inc. Unplanar non-axisymmetric inserts
US6766870B2 (en) * 2002-08-21 2004-07-27 Baker Hughes Incorporated Mechanically shaped hardfacing cutting/wear structures
US6997273B2 (en) * 2002-11-15 2006-02-14 Smith International, Inc. Blunt faced cutter element and enhanced drill bit and cutting structure
US6883624B2 (en) * 2003-01-31 2005-04-26 Smith International, Inc. Multi-lobed cutter element for drill bit
US20060011388A1 (en) * 2003-01-31 2006-01-19 Mohammed Boudrare Drill bit and cutter element having multiple extensions
US6929079B2 (en) 2003-02-21 2005-08-16 Smith International, Inc. Drill bit cutter element having multiple cusps
US6923276B2 (en) * 2003-02-19 2005-08-02 Baker Hughes Incorporated Streamlined mill-toothed cone for earth boring bit
US7040424B2 (en) * 2003-03-04 2006-05-09 Smith International, Inc. Drill bit and cutter having insert clusters and method of manufacture
US20050178587A1 (en) * 2004-01-23 2005-08-18 Witman George B.Iv Cutting structure for single roller cone drill bit
US20050247486A1 (en) * 2004-04-30 2005-11-10 Smith International, Inc. Modified cutters
US20050257963A1 (en) * 2004-05-20 2005-11-24 Joseph Tucker Self-Aligning Insert for Drill Bits
GB2438319B (en) 2005-02-08 2009-03-04 Smith International Thermally stable polycrystalline diamond cutting elements and bits incorporating the same
GB2427633B (en) * 2005-05-17 2007-08-15 Smith International Drill bit and method of designing a drill bit
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
US8205692B2 (en) * 2007-01-03 2012-06-26 Smith International, Inc. Rock bit and inserts with a chisel crest having a broadened region
US7631709B2 (en) 2007-01-03 2009-12-15 Smith International, Inc. Drill bit and cutter element having chisel crest with protruding pilot portion
US7686106B2 (en) * 2007-01-03 2010-03-30 Smith International, Inc. Rock bit and inserts with wear relief grooves
US7798258B2 (en) * 2007-01-03 2010-09-21 Smith International, Inc. Drill bit with cutter element having crossing chisel crests
US8083012B2 (en) 2008-10-03 2011-12-27 Smith International, Inc. Diamond bonded construction with thermally stable region
US8833492B2 (en) * 2008-10-08 2014-09-16 Smith International, Inc. Cutters for fixed cutter bits
US8789894B2 (en) * 2009-01-13 2014-07-29 Diamond Innovations, Inc. Radial tool with superhard cutting surface
US8316968B2 (en) * 2009-05-01 2012-11-27 Smith International, Inc. Rolling cone drill bit having sharp cutting elements in a zone of interest
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
EP2812523B1 (de) * 2012-02-08 2019-08-07 Baker Hughes, a GE company, LLC Geformte schneideelemente für erdbohrwerkzeuge und erdbohrwerkzeuge mit solchen schneideelementen
US9249628B2 (en) * 2012-11-16 2016-02-02 National Oilwell DHT, L.P. Hybrid rolling cone drill bits and methods for manufacturing same
US20140182947A1 (en) 2012-12-28 2014-07-03 Smith International, Inc. Cutting insert for percussion drill bit
US20140262543A1 (en) * 2013-03-15 2014-09-18 Chesapeake Operating, Inc. Drill bit
AU2017207287A1 (en) 2016-01-13 2018-07-12 Schlumberger Technology B.V. Angled chisel insert
US10697248B2 (en) 2017-10-04 2020-06-30 Baker Hughes, A Ge Company, Llc Earth-boring tools and related methods
US11566473B2 (en) 2018-05-29 2023-01-31 Quanta Associates, L.P. Horizontal directional reaming
US10954721B2 (en) * 2018-06-11 2021-03-23 Baker Hughes Holdings Llc Earth-boring tools and related methods
CN110145239B (zh) * 2019-05-20 2021-03-09 中国地质大学（北京） 钻探用镶齿、牙轮钻头及钻探用镶齿的加工方法
WO2024006294A2 (en) * 2022-06-29 2024-01-04 Shear Bits, Inc. Combination shear and gouging cutting element and well construction tools made therewith

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4343371A (en) * 1980-04-28 1982-08-10 Smith International, Inc. Hybrid rock bit
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
US4694918A (en) * 1985-04-29 1987-09-22 Smith International, Inc. Rock bit with diamond tip inserts
US4854405A (en) * 1988-01-04 1989-08-08 American National Carbide Company Cutting tools
US4940099A (en) * 1989-04-05 1990-07-10 Reed Tool Company Cutting elements for roller cutter drill bits
FR2677699B1 (fr) * 1991-06-11 1997-03-14 Total Petroles Outil de forage a molettes coniques rotatives.
US5287936A (en) * 1992-01-31 1994-02-22 Baker Hughes Incorporated Rolling cone bit with shear cutting gage
US5341890A (en) * 1993-01-08 1994-08-30 Smith International, Inc. Ultra hard insert cutters for heel row rotary cone rock bit applications

Also Published As

Publication number Publication date
EP0747566A1 (de) 1996-12-11
EP0747566B1 (de) 2003-10-29
US5592995A (en) 1997-01-14

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Legal Events

Date Code Title Description
8332 No legal effect for de