NO20100003L - Underrommer for borehull - Google Patents

Underrommer for borehull

Info

Publication number
NO20100003L
NO20100003L NO20100003A NO20100003A NO20100003L NO 20100003 L NO20100003 L NO 20100003L NO 20100003 A NO20100003 A NO 20100003A NO 20100003 A NO20100003 A NO 20100003A NO 20100003 L NO20100003 L NO 20100003L
Authority
NO
Norway
Prior art keywords
locking
arms
bores
arm
active
Prior art date
Application number
NO20100003A
Other languages
English (en)
Inventor
Jean-Pierre Lassoie
Stein Erik Moi
Clint Smith
Philippe Fanuel
Original Assignee
Security Dbs Nv Sa
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
Publication of NO20100003L publication Critical patent/NO20100003L/no
Application filed by Security Dbs Nv Sa filed Critical Security Dbs Nv Sa

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
    • 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
    • E21B10/322—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 cutter shifted by fluid pressure
    • 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
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable

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)

Abstract

En underrømmer for borehull i underjordiske formasjoner, spesielt beregnet til oljeboring. Underrømmeren har et hult legeme minst to sylindriske boringer. Boringene er tilveiebrakt gjennom en ytre vegg av legemet og har akser som går på tvers av den langsgående aksen av legemet. Boringene er fordelt over omkretsen av det hule legemet og hver boring omfatter en sylindrisk utvidelsesarm. Hver arm har en skjæreende med blad tilveiebrakt på utsiden av legemet som glir mellom aktive og inaktive posisjoner. En annen ende av hver arm er tilveiebrakt inne i legemet og mottar fluidtrykk for å presse armene inn i aktiv posisjon. Underrømmeren omfatter et låseelement for å låse armene i deres inaktive posisjon, når låseelementene er immobilisert i legemet på en frigjørbar måte i en låsende posisjon. Når de frigjøres forlater låseelementene låseposisjon under påvirkning fra minst en av armene utsatt for trykket som kan presse armene inn i deres aktive posisjon.
NO20100003A 2002-10-04 2010-01-04 Underrommer for borehull NO20100003L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/264,761 US6886633B2 (en) 2002-10-04 2002-10-04 Bore hole underreamer

Publications (1)

Publication Number Publication Date
NO20100003L true NO20100003L (no) 2004-04-05

Family

ID=29420154

Family Applications (2)

Application Number Title Priority Date Filing Date
NO20034418A NO329311B1 (no) 2002-10-04 2003-10-02 Underrommer for borehull med ekspanderbare skjaerearmer
NO20100003A NO20100003L (no) 2002-10-04 2010-01-04 Underrommer for borehull

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NO20034418A NO329311B1 (no) 2002-10-04 2003-10-02 Underrommer for borehull med ekspanderbare skjaerearmer

Country Status (4)

Country Link
US (1) US6886633B2 (no)
BE (1) BE1015703A5 (no)
GB (1) GB2393748B (no)
NO (2) NO329311B1 (no)

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US6929076B2 (en) * 2002-10-04 2005-08-16 Security Dbs Nv/Sa Bore hole underreamer having extendible cutting arms
US7131504B2 (en) * 2002-12-31 2006-11-07 Weatherford/Lamb, Inc. Pressure activated release member for an expandable drillbit
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US7658241B2 (en) * 2004-04-21 2010-02-09 Security Dbs Nv/Sa Underreaming and stabilizing tool and method for its use
DE602005003135T8 (de) * 2004-06-09 2009-01-08 Halliburton Energy Services N.V. Vergrösserungs- und stabilisierwerkzeug für ein bohrloch
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CN101589204A (zh) 2006-12-04 2009-11-25 贝克休斯公司 用于钻地应用的可扩张扩孔钻及其使用方法
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US7900717B2 (en) * 2006-12-04 2011-03-08 Baker Hughes Incorporated Expandable reamers for earth boring applications
JP5075195B2 (ja) * 2007-03-29 2012-11-14 シャープ株式会社 映像送信装置、映像受信装置、映像記録装置、映像再生装置及び映像表示装置
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US7882905B2 (en) * 2008-03-28 2011-02-08 Baker Hughes Incorporated Stabilizer and reamer system having extensible blades and bearing pads and method of using same
US8205689B2 (en) 2008-05-01 2012-06-26 Baker Hughes Incorporated Stabilizer and reamer system having extensible blades and bearing pads and method of using same
US8297381B2 (en) * 2009-07-13 2012-10-30 Baker Hughes Incorporated Stabilizer subs for use with expandable reamer apparatus, expandable reamer apparatus including stabilizer subs and related methods
CN103334699B (zh) * 2013-06-24 2015-04-08 中煤科工集团西安研究院有限公司 一种煤矿井下煤层钻孔造穴装置及使用方法
CN105888538B (zh) * 2016-04-08 2018-02-09 西南石油大学 一种扭力冲击钻井装置
CA3079445A1 (en) * 2017-10-20 2019-04-25 Transco Manufacturing Australia Pty Ltd Underreamer
GB2569330B (en) 2017-12-13 2021-01-06 Nov Downhole Eurasia Ltd Downhole devices and associated apparatus and methods
CN112459739B (zh) * 2020-12-16 2022-05-06 南智（重庆）能源技术有限公司 油气井可变径钻铣器
CN113309510B (zh) * 2021-06-18 2022-05-20 中国矿业大学 一种快速拆装与实时固定的钻孔窥视装置
CN114033314B (zh) * 2021-08-09 2024-01-02 山东省煤田地质局第三勘探队 一种具有自动检测瓦斯功能的钻头

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Also Published As

Publication number Publication date
NO20034418D0 (no) 2003-10-02
NO329311B1 (no) 2010-09-27
US20040065480A1 (en) 2004-04-08
BE1015703A5 (nl) 2005-07-05
GB0323195D0 (en) 2003-11-05
NO20034418L (no) 2004-04-05
GB2393748A (en) 2004-04-07
GB2393748B (en) 2007-01-03
US6886633B2 (en) 2005-05-03

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Legal Events

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CREP Change of representative

Representative=s name: ZACCO NORWAY AS, POSTBOKS 2003 VIKA

FC2A Withdrawal, rejection or dismissal of laid open patent application