DE69212827D1 - Zentriervorrichtung - Google Patents

Zentriervorrichtung

Info

Publication number
DE69212827D1
DE69212827D1 DE69212827T DE69212827T DE69212827D1 DE 69212827 D1 DE69212827 D1 DE 69212827D1 DE 69212827 T DE69212827 T DE 69212827T DE 69212827 T DE69212827 T DE 69212827T DE 69212827 D1 DE69212827 D1 DE 69212827D1
Authority
DE
Germany
Prior art keywords
centering device
centering
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
DE69212827T
Other languages
English (en)
Other versions
DE69212827T2 (de
Inventor
Klaas Zwart
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of DE69212827D1 publication Critical patent/DE69212827D1/de
Publication of DE69212827T2 publication Critical patent/DE69212827T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
    • E21B17/1021—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well with articulated arms or arcuate springs

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69212827T 1991-05-25 1992-05-26 Zentriervorrichtung Expired - Lifetime DE69212827T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919111381A GB9111381D0 (en) 1991-05-25 1991-05-25 Centraliser
PCT/GB1992/000951 WO1992021850A1 (en) 1991-05-25 1992-05-26 Centraliser

Publications (2)

Publication Number Publication Date
DE69212827D1 true DE69212827D1 (de) 1996-09-19
DE69212827T2 DE69212827T2 (de) 1997-01-02

Family

ID=10695646

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69212827T Expired - Lifetime DE69212827T2 (de) 1991-05-25 1992-05-26 Zentriervorrichtung

Country Status (9)

Country Link
US (1) US5355950A (de)
EP (1) EP0585315B1 (de)
AU (1) AU657536B2 (de)
CA (1) CA2102317C (de)
DE (1) DE69212827T2 (de)
DK (1) DK0585315T3 (de)
GB (1) GB9111381D0 (de)
NO (1) NO304897B1 (de)
WO (1) WO1992021850A1 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5585555A (en) * 1995-01-24 1996-12-17 Geokon, Inc. Borehole strainmeter
US6260617B1 (en) * 1997-11-21 2001-07-17 Superior Energy Services, L.L.C. Skate apparatus for injecting tubing down pipelines
US6651744B1 (en) 1997-11-21 2003-11-25 Superior Services, Llc Bi-directional thruster pig apparatus and method of utilizing same
AU760978B2 (en) * 1999-01-22 2003-05-29 Weatherford Technology Holdings, Llc Friction reducing tool and method for its use in a wellbore
US6250394B1 (en) 1999-09-23 2001-06-26 Benny Donald Mashburn Apparatus for assisting the advancement of a work string and method
GB0103702D0 (en) 2001-02-15 2001-03-28 Computalog Usa Inc Apparatus and method for actuating arms
GB2379508B (en) 2001-04-23 2005-06-08 Computalog Usa Inc Electrical measurement apparatus and method
CN1309929C (zh) * 2001-07-06 2007-04-11 国际壳牌研究有限公司 用于井筒内扩张管状件的扶正器
US6796380B2 (en) * 2002-08-19 2004-09-28 Baker Hughes Incorporated High expansion anchor system
DE102004057642A1 (de) * 2004-11-30 2006-06-01 Glötzl, Gesellschaft für Baumeßtechnik mbH Bohrloch-Streckenmesssonde
US7967081B2 (en) * 2006-11-09 2011-06-28 Smith International, Inc. Closed-loop physical caliper measurements and directional drilling method
US8118114B2 (en) * 2006-11-09 2012-02-21 Smith International Inc. Closed-loop control of rotary steerable blades
US7377333B1 (en) 2007-03-07 2008-05-27 Pathfinder Energy Services, Inc. Linear position sensor for downhole tools and method of use
US7725263B2 (en) * 2007-05-22 2010-05-25 Smith International, Inc. Gravity azimuth measurement at a non-rotating housing
US8497685B2 (en) 2007-05-22 2013-07-30 Schlumberger Technology Corporation Angular position sensor for a downhole tool
US8245779B2 (en) * 2009-08-07 2012-08-21 Geodaq, Inc. Centralizer apparatus
CN108104751B (zh) 2012-11-16 2021-02-02 派特马克Ip有限公司 传感器输送装置和引导装置
US9650847B2 (en) 2013-09-26 2017-05-16 Schlumberger Technology Corporation Method and apparatus to enable toolstring to negotiate obstructions downhole
US9057230B1 (en) 2014-03-19 2015-06-16 Ronald C. Parsons Expandable tubular with integral centralizers
US8851193B1 (en) 2014-04-09 2014-10-07 Cary A. Valerio Self-centering downhole tool
US10358907B2 (en) 2017-04-17 2019-07-23 Schlumberger Technology Corporation Self retracting wall contact well logging sensor
WO2020076312A1 (en) * 2018-10-10 2020-04-16 Halliburton Energy Services, Inc. Formation screw and centralizer
US10947794B2 (en) 2019-03-01 2021-03-16 Saudi Arabian Oil Company Method and system for extended reach coiled tubing
US11131154B2 (en) 2019-08-15 2021-09-28 Halliburton Energy Services, Inc. Formation screw and centralizer
CN113137188A (zh) * 2020-01-20 2021-07-20 中国石油化工股份有限公司 修井油管对中装置及修井油管扶正对中设备

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US484396A (en) * 1892-10-18 Feeding mechanism for sewing-machines
US2748874A (en) * 1951-11-09 1956-06-05 Thomas C Bannon Godevil for cable suspended well tools
US2812587A (en) * 1954-07-13 1957-11-12 Schlumberger Well Surv Corp Borehole calipering apparatus
US3087552A (en) * 1961-10-02 1963-04-30 Jersey Prod Res Co Apparatus for centering well tools in a well bore
US3568053A (en) * 1968-10-15 1971-03-02 Sinclair Oil Corp Apparatus for establishing electrical contact with the casing in a wellbore
US4523640A (en) * 1984-01-23 1985-06-18 Dresser Industries, Inc. Arm release system for well logging apparatus
GB8403600D0 (en) * 1984-02-10 1984-03-14 Drexel Oilfield Services Hk Casing pipe centralizer
IT1184431B (it) * 1985-04-12 1987-10-28 Automotive Products Borg & Bec Disco condotto di innesto a frizione
US4776397A (en) * 1986-10-06 1988-10-11 Ava International Corporation Tool for lowering into centered position within a well bore
US4823125A (en) * 1987-06-30 1989-04-18 Develco, Inc. Method and apparatus for stabilizing a communication sensor in a borehole
US4843896A (en) * 1988-02-26 1989-07-04 Western Stress, Inc. Probe for internal bore inspection

Also Published As

Publication number Publication date
CA2102317A1 (en) 1992-11-26
US5355950A (en) 1994-10-18
AU657536B2 (en) 1995-03-16
WO1992021850A1 (en) 1992-12-10
CA2102317C (en) 2001-07-17
DK0585315T3 (da) 1996-10-14
NO932943D0 (no) 1993-08-19
EP0585315B1 (de) 1996-08-14
NO932943L (no) 1993-08-19
AU1779592A (en) 1993-01-08
DE69212827T2 (de) 1997-01-02
GB9111381D0 (en) 1991-07-17
EP0585315A1 (de) 1994-03-09
NO304897B1 (no) 1999-03-01

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