ATE438783T1 - Expandierbares bohrwerkzeug - Google Patents

Expandierbares bohrwerkzeug

Info

Publication number
ATE438783T1
ATE438783T1 AT05292193T AT05292193T ATE438783T1 AT E438783 T1 ATE438783 T1 AT E438783T1 AT 05292193 T AT05292193 T AT 05292193T AT 05292193 T AT05292193 T AT 05292193T AT E438783 T1 ATE438783 T1 AT E438783T1
Authority
AT
Austria
Prior art keywords
expandable
drill
drill bit
arms
cutting diameter
Prior art date
Application number
AT05292193T
Other languages
English (en)
Inventor
Henri Denoix
Original Assignee
Prad Res & Dev Nv
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 Prad Res & Dev Nv filed Critical Prad Res & Dev Nv
Application granted granted Critical
Publication of ATE438783T1 publication Critical patent/ATE438783T1/de

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
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
AT05292193T 2005-10-18 2005-10-18 Expandierbares bohrwerkzeug ATE438783T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05292193A EP1777365B1 (de) 2005-10-18 2005-10-18 Expandierbares Bohrwerkzeug

Publications (1)

Publication Number Publication Date
ATE438783T1 true ATE438783T1 (de) 2009-08-15

Family

ID=35892234

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05292193T ATE438783T1 (de) 2005-10-18 2005-10-18 Expandierbares bohrwerkzeug

Country Status (5)

Country Link
US (1) US7410015B2 (de)
EP (1) EP1777365B1 (de)
AT (1) ATE438783T1 (de)
DE (1) DE602005015865D1 (de)
NO (1) NO335122B1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2454918B (en) * 2007-11-23 2011-11-02 Schlumberger Holdings Adjustable drill bit
US8439135B2 (en) 2010-04-01 2013-05-14 Center Rock Inc. Down-the-hole drill hammer having an extendable drill bit assembly
EA201291198A1 (ru) * 2010-05-07 2013-04-30 Обеликс Холдингз Пти Лтд. Подрезной инструмент
US9080399B2 (en) 2011-06-14 2015-07-14 Baker Hughes Incorporated Earth-boring tools including retractable pads, cartridges including retractable pads for such tools, and related methods
CN103470186B (zh) * 2012-06-07 2016-01-06 张卫星 一种煤矿瓦斯抽采孔钻头
SE536758C2 (sv) * 2012-11-28 2014-07-15 Atlas Copco Rock Drills Ab Slagverk till en hydraulisk bergborrmaskin, förfarande för drift av ett slagverk och hydraulisk bergborrmaskin inkluderande ett slagverk
KR101624214B1 (ko) * 2013-02-19 2016-05-25 에프에스 테크니칼 코포레이션 확경용 드릴 비트
US10590724B2 (en) 2013-10-28 2020-03-17 Wellbore Integrity Solutions Llc Mill with adjustable gauge diameter
SG11201608694SA (en) * 2015-04-13 2017-11-29 Fs Technical Corp Diameter expansion drill bit
GB2540391B (en) * 2015-07-15 2021-02-17 Nov Downhole Eurasia Ltd Downhole apparatus
US10119350B2 (en) * 2016-05-26 2018-11-06 Baker Hughes, A Ge Company, Llc Expandable junk mill
US11045880B2 (en) * 2017-07-12 2021-06-29 Gary Richard ADAMS Boring tool
EP3658741A4 (de) 2017-07-24 2021-03-24 Luc Charland Bohrsystem und verfahren zur verwendung davon
US11111730B2 (en) * 2017-08-04 2021-09-07 Halliburton Energy Services, Inc. Downhole adjustable drill bits
GB2569330B (en) 2017-12-13 2021-01-06 Nov Downhole Eurasia Ltd Downhole devices and associated apparatus and methods
DE102018105340A1 (de) * 2018-03-08 2019-09-12 Mhwirth Gmbh Bohrkopf und diesen umfassendes Bohrsystem
GB2582821B (en) * 2019-04-05 2022-12-28 Raptor Anchoring Ltd A fixation device
GB2609868B (en) * 2019-04-05 2023-07-19 Raptor Anchoring Ltd A fixation device
CN113958327B (zh) * 2021-10-20 2024-03-29 中铁六局集团有限公司 一种盾构机下穿地连墙施工装置及其施工方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1467480A (en) * 1921-12-19 1923-09-11 Petroleum Recovery Corp Well reamer
US1899727A (en) 1930-08-08 1933-02-28 Sandstone Harvey David Combination cutting drill and reaming bit
US2654576A (en) * 1950-08-18 1953-10-06 Archer W Kammerer Expansible rotary drill bit
US2705129A (en) * 1952-04-04 1955-03-29 Jack K Menton Under-reaming bit
GB766242A (en) * 1955-03-23 1957-01-16 Archer William Kammerer Rotary expansible well drill bits
US3236320A (en) * 1963-10-02 1966-02-22 John E Russ Well rotor
US3351144A (en) * 1965-04-05 1967-11-07 Baker Oil Tools Inc Rotary expansible drilling apparatus with centrifugally operated latch
SU501139A1 (ru) * 1973-12-14 1976-01-30 Всесоюзный Ордена Трудового Красного Знамени Научно-Исследовательский Институт Буровой Техники Устройство дл расширени скважин
US4031972A (en) * 1976-03-08 1977-06-28 Burg Irving X Expandable and contractible rotary well drilling bit
US4141421A (en) * 1977-08-17 1979-02-27 Gardner Benjamin R Under reamer
US4976323A (en) * 1989-06-30 1990-12-11 Kitchens Richard A Counterboring device for wells
US5255741A (en) * 1991-12-11 1993-10-26 Mobil Oil Corporation Process and apparatus for completing a well in an unconsolidated formation
US5361859A (en) * 1993-02-12 1994-11-08 Baker Hughes Incorporated Expandable gage bit for drilling and method of drilling
US5494121A (en) * 1994-04-28 1996-02-27 Nackerud; Alan L. Cavern well completion method and apparatus
US6070677A (en) * 1997-12-02 2000-06-06 I.D.A. Corporation Method and apparatus for enhancing production from a wellbore hole
GB0009834D0 (en) 2000-04-25 2000-06-07 Brit Bit Limited Expandable bit
US6454024B1 (en) * 2000-10-27 2002-09-24 Alan L. Nackerud Replaceable drill bit assembly
US6953096B2 (en) * 2002-12-31 2005-10-11 Weatherford/Lamb, Inc. Expandable bit with secondary release device

Also Published As

Publication number Publication date
DE602005015865D1 (de) 2009-09-17
US20070102195A1 (en) 2007-05-10
EP1777365A1 (de) 2007-04-25
NO335122B1 (no) 2014-09-22
EP1777365B1 (de) 2009-08-05
US7410015B2 (en) 2008-08-12
NO20064690L (no) 2007-04-19

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Legal Events

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