NO882205L - Fjaerbue for sentrering. - Google Patents

Fjaerbue for sentrering.

Info

Publication number
NO882205L
NO882205L NO882205A NO882205A NO882205L NO 882205 L NO882205 L NO 882205L NO 882205 A NO882205 A NO 882205A NO 882205 A NO882205 A NO 882205A NO 882205 L NO882205 L NO 882205L
Authority
NO
Norway
Prior art keywords
centering
spring arch
arch
spring
Prior art date
Application number
NO882205A
Other languages
English (en)
Other versions
NO882205D0 (no
Inventor
Friedrich H Langer
Original Assignee
Weatherford Us Inc
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 Weatherford Us Inc filed Critical Weatherford Us Inc
Publication of NO882205D0 publication Critical patent/NO882205D0/no
Publication of NO882205L publication Critical patent/NO882205L/no

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
    • E21B17/1028—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well with articulated arms or arcuate springs with arcuate springs only, e.g. baskets with outwardly bowed strips for cementing operations

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)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
NO882205A 1987-05-29 1988-05-20 Fjaerbue for sentrering. NO882205L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/056,488 US4787458A (en) 1987-05-29 1987-05-29 Spring bow, centralizer, and related methods

Publications (2)

Publication Number Publication Date
NO882205D0 NO882205D0 (no) 1988-05-20
NO882205L true NO882205L (no) 1988-11-30

Family

ID=22004733

Family Applications (1)

Application Number Title Priority Date Filing Date
NO882205A NO882205L (no) 1987-05-29 1988-05-20 Fjaerbue for sentrering.

Country Status (4)

Country Link
US (1) US4787458A (no)
EP (1) EP0297716A1 (no)
CA (1) CA1286984C (no)
NO (1) NO882205L (no)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5005642A (en) * 1989-10-30 1991-04-09 Shell Oil Company Logging tool centralizer
DE4113898C2 (de) * 1991-04-27 1994-10-27 Weatherford Prod & Equip Zentriereinrichtung für Bohr- und Futterrohre
GB9419313D0 (en) * 1994-09-24 1994-11-09 Weatherford Lamb Centralisers
US5575333A (en) * 1995-06-07 1996-11-19 Weatherford U.S., Inc. Centralizer
GB2316422A (en) * 1996-08-24 1998-02-25 Weatherford Lamb Centralizer
GB9703608D0 (en) 1997-02-21 1997-04-09 Downhole Products Plc Casing centraliser
GB9724194D0 (en) * 1997-11-15 1998-01-14 Brunel Oilfield Serv Uk Ltd Improvements in or relating to downhole tools
US7156171B2 (en) * 2000-09-06 2007-01-02 Casetech International, Inc. Dual diameter and rotating centralizer/sub
US7182131B2 (en) * 2000-09-06 2007-02-27 Casetech International, Inc. Dual diameter and rotating centralizer/sub and method
US6453998B1 (en) 2000-10-31 2002-09-24 Robert W. M. Reeve Progressive lock integral joint centralizer
NO315868B1 (no) * 2001-03-26 2003-11-03 Perigon Da Anordning og fremgangsmåte ved v¶skeadskiller
US6679325B2 (en) * 2002-02-08 2004-01-20 Frank's International, Inc. Minimum clearance bow-spring centralizer
US20080264629A1 (en) * 2007-04-24 2008-10-30 Frank's International, Inc. Field-Assemblable Bow-Spring Casing Centralizer and Method of Making A Centralizer
US8701783B2 (en) * 2007-07-26 2014-04-22 Antelope Oil Tool & Mfg. Co., Llc Apparatus for and method of deploying a centralizer installed on an expandable casing string
US7878241B2 (en) * 2007-05-16 2011-02-01 Frank's International, Inc. Expandable centralizer for expandable pipe string
US8196654B2 (en) 2007-05-16 2012-06-12 Frank's International, Inc. Expandable centralizer for expandable pipe string
US7845061B2 (en) * 2007-05-16 2010-12-07 Frank's International, Inc. Low clearance centralizer and method of making centralizer
US9771763B2 (en) 2007-05-16 2017-09-26 Antelope Oil Tool & Mfg. Co. Low-clearance centralizer
US8763690B2 (en) 2007-05-16 2014-07-01 Antelope Oil Tool & Mfg. Co., Llc Casing centralizers having flexible bow springs
US7766580B2 (en) 2008-02-14 2010-08-03 National Oilwell Varco, L.P. Energy managing keel joint
US8360161B2 (en) * 2008-09-29 2013-01-29 Frank's International, Inc. Downhole device actuator and method
US20110042102A1 (en) * 2009-08-18 2011-02-24 Frank's International, Inc. Method of and kit for installing a centralizer on a pipe segment
USD665824S1 (en) 2011-10-28 2012-08-21 Top-Co Cementing Products Inc. Casing centralizer
USD665825S1 (en) 2011-10-28 2012-08-21 Top-Co Cementing Products Inc. Casing centralizer
USD674817S1 (en) 2011-10-28 2013-01-22 Top-Co Cementing Products Inc. Casing centralizer
USD674818S1 (en) 2011-10-28 2013-01-22 Top-Co Cementing Products Inc. Casing centralizer
CN104271999B (zh) * 2012-03-01 2018-02-02 布鲁斯·A.·通盖特 高压大口径井管道系统
USD849800S1 (en) 2012-04-04 2019-05-28 Summit Energy Services, Inc. Casing centralizer having spiral blades
US9611705B2 (en) * 2013-10-11 2017-04-04 Antelope Oil Tool & Mfg. Co. Centralizer preconditioning and testing apparatus and method
WO2016014571A1 (en) 2014-07-21 2016-01-28 Weatherford Technology Holdings, Llc Composite bow spring centralizer
GB2563239B (en) * 2017-06-07 2020-03-25 Vulcan Completion Products Uk Ltd Downhole apparatus and associated methods
GB2578774B (en) * 2018-11-08 2023-05-10 Vulcan Completion Products Uk Ltd Centraliser
WO2021022093A1 (en) 2019-08-01 2021-02-04 Chevron U.S.A. Inc. Artificial lift systems utilizing high speed centralizers
US11434701B2 (en) * 2020-11-23 2022-09-06 Schlumberger Technology Corporation Multi-diameter thrust cups
US20230366288A1 (en) * 2020-11-23 2023-11-16 Schlumberger Technology Corporation Pressure modulating multi-diameter thrust cup arrangement and positioning system
CN115427658A (zh) 2021-03-24 2022-12-02 道恩浩尔产品有限公司 刚度变化的扶正器

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124196A (en) * 1964-03-10 Helical bow centralizer
DE259484C (no) * 1910-08-24 1913-05-08
DE350808C (de) * 1918-03-31 1922-03-25 Alfred Wohl Dr Verfahren zur Darstellung von Diaethylsulfat
US2656890A (en) * 1951-08-02 1953-10-27 Arthur H Brandon Adjustable belly spring
US2665762A (en) * 1951-08-28 1954-01-12 Baker Oil Tools Inc Casing centering device
US2728399A (en) * 1953-12-10 1955-12-27 Kluck Louis Floating spring type casing centralizer
DE1017112B (de) * 1955-03-11 1957-10-10 Soeding & Halbach J C Vorrichtung zum Fuehren des Bohrgestaenges in Bohrloechern
US3270697A (en) * 1962-10-02 1966-09-06 B & W Inc Method for forming a pipe centering device
DE1233345B (de) * 1965-04-07 1967-02-02 Weatherford Oil Tool Auf einem Rohr aufsetzbarer Zentrierkorb fuer Bohrungen
US3343608A (en) * 1966-08-10 1967-09-26 B & W Inc Two-stage centralizer
US3556042A (en) * 1966-08-16 1971-01-19 Mark Tool Co Inc Centering device
US3749168A (en) * 1966-09-06 1973-07-31 Weatherford Oil Tool Co Inc Well centralizer
US3566965A (en) * 1968-07-22 1971-03-02 B & W Inc Variable size,multi-hinge centralizer
US3575239A (en) * 1969-04-18 1971-04-20 B & W Inc Progressive centralizer
SU605947A1 (ru) * 1975-12-30 1978-05-05 Всесоюзный научно-исследовательский и проектно-конструкторский институт геофизических исследований геологоразведочных скважин Центрирующее устройство скважинных геофизических приборов
US4088186A (en) * 1976-12-22 1978-05-09 Baker International Corporation Centering device for well conduit
US4520869A (en) * 1983-09-29 1985-06-04 Svenson Bert N Centralizer for well casings
US4531582A (en) * 1983-10-31 1985-07-30 Baker Oil Tools, Inc. Well conduit centralizer
DE3508086C1 (de) * 1985-03-07 1986-08-14 Weatherford Oil Tool Gmbh, 3012 Langenhagen Zentrierkorb fuer Bohr- und Futterrohre
GB2179079A (en) * 1985-08-15 1987-02-25 William Hunt Engineers Limited Well casing tools
US4651823A (en) * 1986-05-19 1987-03-24 Antelope Oil Tool & Mfg. Company Centralizer

Also Published As

Publication number Publication date
EP0297716A1 (en) 1989-01-04
CA1286984C (en) 1991-07-30
NO882205D0 (no) 1988-05-20
US4787458A (en) 1988-11-29

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