CA2526249A1 - Percussive drill bit, drilling system comprising such a drill bit and method of drilling a bore hole - Google Patents

Percussive drill bit, drilling system comprising such a drill bit and method of drilling a bore hole Download PDF

Info

Publication number
CA2526249A1
CA2526249A1 CA002526249A CA2526249A CA2526249A1 CA 2526249 A1 CA2526249 A1 CA 2526249A1 CA 002526249 A CA002526249 A CA 002526249A CA 2526249 A CA2526249 A CA 2526249A CA 2526249 A1 CA2526249 A1 CA 2526249A1
Authority
CA
Canada
Prior art keywords
drill bit
cutters
shear
axial
shear cutters
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.)
Abandoned
Application number
CA002526249A
Other languages
English (en)
French (fr)
Inventor
Antonio Maria Guimaraes Leite Cruz
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.)
Shell Canada Ltd
Original Assignee
Shell Canada Limited
Antonio Maria Guimaraes Leite Cruz
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 Shell Canada Limited, Antonio Maria Guimaraes Leite Cruz filed Critical Shell Canada Limited
Publication of CA2526249A1 publication Critical patent/CA2526249A1/en
Abandoned 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
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
    • 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
CA002526249A 2003-05-26 2004-05-25 Percussive drill bit, drilling system comprising such a drill bit and method of drilling a bore hole Abandoned CA2526249A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP03076614.1 2003-05-26
EP03076614 2003-05-26
PCT/EP2004/050912 WO2004104362A1 (en) 2003-05-26 2004-05-25 Percussive drill bit, drilling system comprising such a drill bit and method of drilling a bore hole

Publications (1)

Publication Number Publication Date
CA2526249A1 true CA2526249A1 (en) 2004-12-02

Family

ID=33462167

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002526249A Abandoned CA2526249A1 (en) 2003-05-26 2004-05-25 Percussive drill bit, drilling system comprising such a drill bit and method of drilling a bore hole

Country Status (12)

Country Link
EP (1) EP1627130B1 (no)
CN (1) CN100458097C (no)
AR (1) AR044551A1 (no)
AT (1) ATE347019T1 (no)
BR (1) BRPI0410536A (no)
CA (1) CA2526249A1 (no)
CO (1) CO5630007A2 (no)
DE (1) DE602004003493T2 (no)
EG (1) EG23869A (no)
NO (1) NO20056154L (no)
RU (1) RU2332553C2 (no)
WO (1) WO2004104362A1 (no)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR044550A1 (es) 2003-05-26 2005-09-21 Shell Int Research Cabeza de perforacion y sistema y metodo para perforar un pozo de perforacion en una formacion de tierra
AR044485A1 (es) 2003-06-12 2005-09-14 Shell Int Research Mecha perforadora con percusion, sistema de perforacion que incluye dicha mecha perforadora y un metodo para perforar un pozo
US7455126B2 (en) 2004-05-25 2008-11-25 Shell Oil Company Percussive drill bit, drilling system comprising such a drill bit and method of drilling a bore hole
US8327956B2 (en) * 2008-12-19 2012-12-11 Varel International, Ind., L.P. Multi-set PDC drill bit and method
US8544568B2 (en) * 2010-12-06 2013-10-01 Varel International, Inc., L.P. Shoulder durability enhancement for a PDC drill bit using secondary and tertiary cutting elements
EP2586960B1 (en) * 2011-10-27 2016-01-13 Sandvik Intellectual Property AB Drill bit having a sunken button and rock drilling tool for use with such a drill bit
EP2612981B1 (en) * 2012-01-09 2014-07-16 Sandvik Intellectual Property AB A drill bit for a percussive hammer, and shank and retention lug therefore
US9784038B2 (en) * 2013-06-17 2017-10-10 Longyear Tm, Inc. High-productivity drill bits
CN103696697B (zh) * 2013-12-19 2017-01-04 北京科技大学 一种岩石深孔高速水钻头及其制备工艺
EP2921639A1 (en) * 2014-03-18 2015-09-23 Sandvik Intellectual Property AB Percussive drill bit with multiple sets of front cutting inserts
US10731420B2 (en) 2015-03-30 2020-08-04 Schlumberger Technology Corporation Indexing drill bit
CN104895500A (zh) * 2015-05-28 2015-09-09 山东中瑞工程机械有限公司 集束式潜孔锤用钻头
CN114718465B (zh) * 2022-04-18 2023-05-26 中南大学 一种动态拉剪掘进钻头及复合破岩方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5025875A (en) * 1990-05-07 1991-06-25 Ingersoll-Rand Company Rock bit for a down-the-hole drill
DE4211048C1 (no) * 1992-04-02 1993-05-06 Boart Hwf Gmbh & Co Kg Hartmetallwerkzeugfabrik, 6419 Burghaun, De
US6253864B1 (en) * 1998-08-10 2001-07-03 David R. Hall Percussive shearing drill bit
CA2260612C (en) * 1999-02-03 2005-04-26 Dresser Industries, Inc. Pneumatic hammer drilling assembly for use in directional drilling
AUPR879901A0 (en) * 2001-11-13 2001-12-06 Sds Digger Tools Pty Ltd An improved transmission sleeve

Also Published As

Publication number Publication date
RU2005140560A (ru) 2006-07-10
EG23869A (en) 2007-11-26
CO5630007A2 (es) 2006-04-28
RU2332553C2 (ru) 2008-08-27
AR044551A1 (es) 2005-09-21
NO20056154L (no) 2006-02-17
DE602004003493D1 (de) 2007-01-11
EP1627130B1 (en) 2006-11-29
DE602004003493T2 (de) 2007-09-20
CN100458097C (zh) 2009-02-04
WO2004104362A1 (en) 2004-12-02
EP1627130A1 (en) 2006-02-22
ATE347019T1 (de) 2006-12-15
BRPI0410536A (pt) 2006-06-20
CN1795318A (zh) 2006-06-28

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued