DE3569403D1 - Improvements in rotary drill bits - Google Patents

Improvements in rotary drill bits

Info

Publication number
DE3569403D1
DE3569403D1 DE8585300890T DE3569403T DE3569403D1 DE 3569403 D1 DE3569403 D1 DE 3569403D1 DE 8585300890 T DE8585300890 T DE 8585300890T DE 3569403 T DE3569403 T DE 3569403T DE 3569403 D1 DE3569403 D1 DE 3569403D1
Authority
DE
Germany
Prior art keywords
drill bits
rotary drill
rotary
bits
drill
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
Application number
DE8585300890T
Other languages
English (en)
Inventor
David Shirley
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.)
NL Petroleum Products Ltd
Original Assignee
NL Petroleum Products Ltd
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 NL Petroleum Products Ltd filed Critical NL Petroleum Products Ltd
Application granted granted Critical
Publication of DE3569403D1 publication Critical patent/DE3569403D1/de
Expired 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
    • E21B10/573—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 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
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49863—Assembling or joining with prestressing of part
    • Y10T29/49876—Assembling or joining with prestressing of part by snap fit
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49945—Assembling or joining by driven force fit
DE8585300890T 1984-02-28 1985-02-11 Improvements in rotary drill bits Expired DE3569403D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848405180A GB8405180D0 (en) 1984-02-28 1984-02-28 Rotary drill bits

Publications (1)

Publication Number Publication Date
DE3569403D1 true DE3569403D1 (en) 1989-05-18

Family

ID=10557289

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585300890T Expired DE3569403D1 (en) 1984-02-28 1985-02-11 Improvements in rotary drill bits

Country Status (6)

Country Link
US (1) US4700790A (de)
EP (1) EP0154422B1 (de)
CA (1) CA1241945A (de)
DE (1) DE3569403D1 (de)
GB (2) GB8405180D0 (de)
NO (1) NO850754L (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA871298B (de) * 1986-02-28 1987-08-17
US5033560A (en) * 1990-07-24 1991-07-23 Dresser Industries, Inc. Drill bit with decreasing diameter cutters
US5088797A (en) * 1990-09-07 1992-02-18 Joy Technologies Inc. Method and apparatus for holding a cutting bit
US5678645A (en) * 1995-11-13 1997-10-21 Baker Hughes Incorporated Mechanically locked cutters and nozzles
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
US5725283A (en) * 1996-04-16 1998-03-10 Joy Mm Delaware, Inc. Apparatus for holding a cutting bit
GB9708428D0 (en) * 1997-04-26 1997-06-18 Camco Int Uk Ltd Improvements in or relating to rotary drill bits
AU1401101A (en) 1999-11-10 2001-06-06 Petroleum Research And Development N.V. Control method for use with a steerable drilling system
US7618098B2 (en) * 2004-08-12 2009-11-17 Frear Joseph K Cutting tool retention apparatuses
US7118181B2 (en) * 2004-08-12 2006-10-10 Frear Joseph K Cutting tool wear sleeves and retention apparatuses
US20100193253A1 (en) * 2009-01-30 2010-08-05 Massey Alan J Earth-boring tools and bodies of such tools including nozzle recesses, and methods of forming same
US7845437B2 (en) * 2009-02-13 2010-12-07 Century Products, Inc. Hole opener assembly and a cone arm forming a part thereof
US10280479B2 (en) 2016-01-20 2019-05-07 Baker Hughes, A Ge Company, Llc Earth-boring tools and methods for forming earth-boring tools using shape memory materials
US10508323B2 (en) 2016-01-20 2019-12-17 Baker Hughes, A Ge Company, Llc Method and apparatus for securing bodies using shape memory materials
US10053916B2 (en) 2016-01-20 2018-08-21 Baker Hughes Incorporated Nozzle assemblies including shape memory materials for earth-boring tools and related methods
US10487589B2 (en) 2016-01-20 2019-11-26 Baker Hughes, A Ge Company, Llc Earth-boring tools, depth-of-cut limiters, and methods of forming or servicing a wellbore
US10119335B2 (en) 2016-02-18 2018-11-06 Baker Hughes Incorporated Bearings for downhole tools, downhole tools incorporating such bearings, and related methods
US10519720B2 (en) 2016-02-18 2019-12-31 Baker Hughes, A Ge Company, Llc Bearings for downhole tools, downhole tools incorporating such bearings, and related methods
RU2766858C1 (ru) * 2021-03-22 2022-03-16 федеральное государственное бюджетное образовательное учреждение высшего образования "Самарский государственный технический университет" Буровое долото PDC с вращающимися резцами
RU2766075C1 (ru) * 2021-03-22 2022-02-07 федеральное государственное бюджетное образовательное учреждение высшего образования "Самарский государственный технический университет" Буровое долото PDC со стопорным цанговым устройством
WO2024044707A1 (en) * 2022-08-24 2024-02-29 National Oilwell Varco, L.P. Modular drill bits with mechanically attached cutter element assemblies

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3375670A (en) * 1965-11-26 1968-04-02 Serota Stanley Method of piling
GB1099290A (en) * 1966-06-07 1968-01-17 Madison Ind Inc Improvements in adjustable tool assemblies
US3618683A (en) * 1968-12-16 1971-11-09 Ingersoll Rand Co Button bit
US3693736A (en) * 1969-09-04 1972-09-26 Mission Mfg Co Cutter insert for rock bits
US3767266A (en) * 1970-08-10 1973-10-23 Cincinnati Mine Machinery Co Resilient retaining means for connecting work tools and work tool holders
US4014395A (en) * 1974-12-05 1977-03-29 Smith-Williston, Inc. Rock drill bit insert retaining sleeve assembly
SU582399A1 (ru) * 1976-01-22 1977-11-30 Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Угольный Институт Книуи Исполнительный орган горного комбайна
AU503750B2 (en) * 1976-07-13 1979-09-20 William Lister Rock drilling bit
US4346934A (en) * 1977-06-29 1982-08-31 Kennametal Inc. Excavating bit
US4190125A (en) * 1977-11-09 1980-02-26 Fansteel Inc. Drill bit and steel combination for improved fluid flow
US4271917A (en) * 1979-04-09 1981-06-09 Syndrill Products Joint Venture Locking device for hard metal inserts
GB2087949B (en) * 1980-11-24 1984-11-14 Padley & Venables Ltd Cutting tools
US4453605A (en) * 1981-04-30 1984-06-12 Nl Industries, Inc. Drill bit and method of metallurgical and mechanical holding of cutters in a drill bit
SU1033691A2 (ru) * 1982-04-15 1983-08-07 Предприятие П/Я М-5703 Породоразрушающий орган

Also Published As

Publication number Publication date
EP0154422A2 (de) 1985-09-11
EP0154422B1 (de) 1989-04-12
CA1241945A (en) 1988-09-13
GB8405180D0 (en) 1984-04-04
GB8503463D0 (en) 1985-03-13
US4700790A (en) 1987-10-20
GB2154485B (en) 1988-02-03
NO850754L (no) 1985-08-29
GB2154485A (en) 1985-09-11
EP0154422A3 (en) 1986-06-11

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Legal Events

Date Code Title Description
8380 Miscellaneous part iii

Free format text: DER PATENTINHABER LAUTET RICHTIG: REED TOOL CO. LTD., STONEHOUSE, GLOUCESTERSHIRE, GB

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee