DE1233345B - Auf einem Rohr aufsetzbarer Zentrierkorb fuer Bohrungen - Google Patents

Auf einem Rohr aufsetzbarer Zentrierkorb fuer Bohrungen

Info

Publication number
DE1233345B
DE1233345B DEW38919A DEW0038919A DE1233345B DE 1233345 B DE1233345 B DE 1233345B DE W38919 A DEW38919 A DE W38919A DE W0038919 A DEW0038919 A DE W0038919A DE 1233345 B DE1233345 B DE 1233345B
Authority
DE
Germany
Prior art keywords
support
leaf springs
support ring
support rings
leaf spring
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.)
Pending
Application number
DEW38919A
Other languages
German (de)
English (en)
Inventor
Wilfried Dreyfuss
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.)
WEATHERFORD OIL TOOL
Weatherford Oil Tool GmbH
Original Assignee
WEATHERFORD OIL TOOL
Weatherford Oil Tool GmbH
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 OIL TOOL, Weatherford Oil Tool GmbH filed Critical WEATHERFORD OIL TOOL
Priority to DEW38919A priority Critical patent/DE1233345B/de
Priority to AT1173165A priority patent/AT259484B/de
Priority to NL666600554A priority patent/NL151159B/xx
Priority to US540270A priority patent/US3356147A/en
Priority to GB15527/66A priority patent/GB1110840A/en
Publication of DE1233345B publication Critical patent/DE1233345B/de
Pending 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
    • 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)
  • Earth Drilling (AREA)
DEW38919A 1965-04-07 1965-04-07 Auf einem Rohr aufsetzbarer Zentrierkorb fuer Bohrungen Pending DE1233345B (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DEW38919A DE1233345B (de) 1965-04-07 1965-04-07 Auf einem Rohr aufsetzbarer Zentrierkorb fuer Bohrungen
AT1173165A AT259484B (de) 1965-04-07 1965-12-28 Auf einem Rohr aufsetzbarer Zentrierkorb für Bohrungen
NL666600554A NL151159B (nl) 1965-04-07 1966-01-17 Centreerkorf voor een boorgatverbuizing.
US540270A US3356147A (en) 1965-04-07 1966-04-05 Centralizer device for casings in boreholes
GB15527/66A GB1110840A (en) 1965-04-07 1966-04-07 Improvements in centralizer devices for casings in boreholes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW38919A DE1233345B (de) 1965-04-07 1965-04-07 Auf einem Rohr aufsetzbarer Zentrierkorb fuer Bohrungen

Publications (1)

Publication Number Publication Date
DE1233345B true DE1233345B (de) 1967-02-02

Family

ID=7601939

Family Applications (1)

Application Number Title Priority Date Filing Date
DEW38919A Pending DE1233345B (de) 1965-04-07 1965-04-07 Auf einem Rohr aufsetzbarer Zentrierkorb fuer Bohrungen

Country Status (5)

Country Link
US (1) US3356147A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) AT259484B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE1233345B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1110840A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL151159B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2802109A1 (de) * 1977-01-27 1978-08-03 Weatherford Lamb Bohrloch-zentrierstueck und verfahren zu seiner herstellung

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1513250A (en) * 1974-10-08 1978-06-07 Weatherford Oil Tool Devices for centralising pipes in borings
US4255847A (en) * 1978-11-03 1981-03-17 Halliburton Company Method of making a knockdown centralizer
US4219081A (en) * 1978-11-03 1980-08-26 Halliburton Services Knockdown centralizer
US4269269A (en) * 1979-05-14 1981-05-26 Halliburton Company Lock tab for centralizer end ring
US4520869A (en) * 1983-09-29 1985-06-04 Svenson Bert N Centralizer for well casings
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
US4787458A (en) * 1987-05-29 1988-11-29 Weatherford U. S., Inc. Spring bow, centralizer, and related methods
US4794986A (en) * 1987-11-27 1989-01-03 Weatherford U.S., Inc. Reticulated centralizing apparatus
US4909322A (en) * 1989-04-26 1990-03-20 Davis-Lynch, Inc. Casing centralizer
DE4024000C2 (de) * 1990-07-28 1994-07-28 Weatherford Oil Tool Rohrzentrierkorb mit Spanneinrichtung
CA2378134A1 (en) * 2002-03-11 2003-09-11 Top-Co Industries Ltd. Casing centralizer
US8196654B2 (en) 2007-05-16 2012-06-12 Frank's International, Inc. Expandable centralizer for expandable pipe string
US7878241B2 (en) * 2007-05-16 2011-02-01 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
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
US8763690B2 (en) 2007-05-16 2014-07-01 Antelope Oil Tool & Mfg. Co., Llc Casing centralizers having flexible bow springs
US9771763B2 (en) 2007-05-16 2017-09-26 Antelope Oil Tool & Mfg. Co. Low-clearance centralizer
EP2428637A3 (en) * 2007-05-16 2014-07-30 Frank's International, Inc. Expandable centralizer for expandable pipe string
US20090308615A1 (en) * 2008-06-11 2009-12-17 Frank's International, Inc. Modular Low-Clearance Centralizer and Method of Making Modular Low-Clearance Centralizer
CA2741765C (en) * 2008-09-29 2017-11-21 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
EP3400361A4 (en) * 2016-01-08 2019-08-28 Blackhawk Specialty Tools, LLC METHOD AND APPARATUS FOR CENTRALIZING A WELLBORE
CA3149300A1 (en) 2019-08-01 2021-02-04 Chevron U.S.A. Inc. High speed rotor dynamics centralizer
US12270259B2 (en) 2023-05-18 2025-04-08 Georgia Tech Research Corporation Snake-skin-inspired in-hole bow spring centralizer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2228649A (en) * 1940-06-17 1941-01-14 Baker Oil Tools Inc Casing centralizer
US2680488A (en) * 1949-12-15 1954-06-08 Atkinson Albert Edward Device for centralizing casings in boreholes
FR1299603A (fr) * 1961-06-12 1962-07-27 Baker Oil Tools Inc Dispositif de centrage utilisable dans les puits ou forages
FR1338552A (fr) * 1962-08-18 1963-09-27 Materiel Pour La Rech Et L Exp Perfectionnements aux centreurs de tubes de sondage ou

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2738019A (en) * 1951-05-22 1956-03-13 Atkinson Albert Edward Devices for centralizing casing in boreholes
US3055432A (en) * 1960-06-23 1962-09-25 Baker Oil Tools Inc Well conduit centering devices

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2228649A (en) * 1940-06-17 1941-01-14 Baker Oil Tools Inc Casing centralizer
US2680488A (en) * 1949-12-15 1954-06-08 Atkinson Albert Edward Device for centralizing casings in boreholes
FR1299603A (fr) * 1961-06-12 1962-07-27 Baker Oil Tools Inc Dispositif de centrage utilisable dans les puits ou forages
FR1338552A (fr) * 1962-08-18 1963-09-27 Materiel Pour La Rech Et L Exp Perfectionnements aux centreurs de tubes de sondage ou

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2802109A1 (de) * 1977-01-27 1978-08-03 Weatherford Lamb Bohrloch-zentrierstueck und verfahren zu seiner herstellung

Also Published As

Publication number Publication date
NL6600554A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1966-10-10
NL151159B (nl) 1976-10-15
GB1110840A (en) 1968-04-24
US3356147A (en) 1967-12-05
AT259484B (de) 1968-01-10

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977