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ATA868077A - Zentrierer, bund zur herstellung des zentrierers, verfahren zur herstellung des bundes und verfahren zur herstellung des zentrierers unter verwendung des bundes - Google Patents

Zentrierer, bund zur herstellung des zentrierers, verfahren zur herstellung des bundes und verfahren zur herstellung des zentrierers unter verwendung des bundes

Info

Publication number
ATA868077A
ATA868077A AT868077A AT868077A ATA868077A AT A868077 A ATA868077 A AT A868077A AT 868077 A AT868077 A AT 868077A AT 868077 A AT868077 A AT 868077A AT A868077 A ATA868077 A AT A868077A
Authority
AT
Austria
Prior art keywords
manufacturing
collar
centering unit
centralizer
centering
Prior art date
Application number
AT868077A
Other languages
English (en)
Other versions
AT356612B (de
Original Assignee
Weatherford Lamb
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 Lamb filed Critical Weatherford Lamb
Publication of ATA868077A publication Critical patent/ATA868077A/de
Application granted granted Critical
Publication of AT356612B publication Critical patent/AT356612B/de

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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49636—Process for making bearing or component thereof
    • Y10T29/49707—Bearing surface treatment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49947—Assembling or joining by applying separate fastener
    • Y10T29/49954—Fastener deformed after application

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Details Of Garments (AREA)
AT868077A 1977-01-27 1977-12-05 Zentrierer, bund zur herstellung des zentrierers, verfahren zur herstellung des bundes und verfahren zur herstellung des zentrierers unter verwendung des bundes AT356612B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/762,907 US4077470A (en) 1977-01-27 1977-01-27 Well centralizer and method of making

Publications (2)

Publication Number Publication Date
ATA868077A true ATA868077A (de) 1979-10-15
AT356612B AT356612B (de) 1980-05-12

Family

ID=25066362

Family Applications (1)

Application Number Title Priority Date Filing Date
AT868077A AT356612B (de) 1977-01-27 1977-12-05 Zentrierer, bund zur herstellung des zentrierers, verfahren zur herstellung des bundes und verfahren zur herstellung des zentrierers unter verwendung des bundes

Country Status (7)

Country Link
US (1) US4077470A (de)
JP (1) JPS5922039B2 (de)
AT (1) AT356612B (de)
AU (1) AU506622B2 (de)
CA (1) CA1060782A (de)
DE (2) DE2802109C2 (de)
GB (1) GB1551683A (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4206808A (en) * 1977-10-25 1980-06-10 Gunter Kreft Safety centering basket
US4143713A (en) * 1977-10-25 1979-03-13 Gunter Kreft Self-centering basket
US4520869A (en) * 1983-09-29 1985-06-04 Svenson Bert N Centralizer for well casings
CA1225328A (en) * 1983-10-31 1987-08-11 Baker Oil Tools, Inc. Segmented concentric centralizer
GB2179079A (en) * 1985-08-15 1987-02-25 William Hunt Engineers Limited Well casing tools
US4688636A (en) * 1986-04-11 1987-08-25 Albert Hennessey Non-weld casing centralizer
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
GB2242457A (en) * 1990-03-27 1991-10-02 Petroleum Equipment Company Li Casing centralisers
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
US6102118A (en) * 1998-12-30 2000-08-15 Moore; Curt A. Multi-purpose adjustable centralizer system with tool
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
US6457519B1 (en) * 2001-02-20 2002-10-01 Antelope Oil Tool And Manufacturing Company, Inc. Expandable centralizer
US20100172989A1 (en) * 2006-01-21 2010-07-08 Abbott Laboratories Abuse resistant melt extruded formulation having reduced alcohol interaction
GB0606751D0 (en) * 2006-04-04 2006-05-10 U W G Ltd Centraliser
EP2260173A1 (de) * 2008-03-05 2010-12-15 Kwik-Zip Pty Ltd Zentriersegment und zentrierer
WO2015017568A2 (en) 2013-07-30 2015-02-05 Weatherford/Lamb, Inc. Centralizer
US10280695B2 (en) * 2014-06-27 2019-05-07 Weatherford Technology Holdings, Llc Centralizer
US9664001B2 (en) * 2014-09-24 2017-05-30 Centek Limited Centralizer and associated devices
US10161198B2 (en) 2015-07-08 2018-12-25 Weatherford Technology Holdings, Llc Centralizer with integrated stop collar
US10151113B2 (en) * 2016-03-15 2018-12-11 Pieresearch1, LP Rebar centralizer for use in a drilled shaft/bore hole
US10584459B2 (en) 2016-03-15 2020-03-10 Pieresearch1, LP Adjustable rebar centralizer for use in a drilled shaft/bore hole
US11174641B2 (en) 2016-03-15 2021-11-16 Pieresearch1, LP Adjustable rebar centralizer for use in a drilled shaft/bore hole
USD873867S1 (en) * 2018-02-14 2020-01-28 Innovex Downhole Solutions, Inc. Centralizer
USD905126S1 (en) * 2018-02-14 2020-12-15 Innovex Downhole Solutions, Inc. Centralizer
US12270259B2 (en) 2023-05-18 2025-04-08 Georgia Tech Research Corporation Snake-skin-inspired in-hole bow spring centralizer
USD1099169S1 (en) * 2024-10-14 2025-10-21 Drillit International Pty Limited Pipe spacer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB662551A (en) * 1949-03-16 1951-12-05 Joseph Caslake Junior Improvements in or relating to means for centralising pipes in borings made in the earth
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
DE1233345B (de) * 1965-04-07 1967-02-02 Weatherford Oil Tool Auf einem Rohr aufsetzbarer Zentrierkorb fuer Bohrungen
GB1513250A (en) * 1974-10-08 1978-06-07 Weatherford Oil Tool Devices for centralising pipes in borings

Also Published As

Publication number Publication date
JPS5394201A (en) 1978-08-18
GB1551683A (en) 1979-08-30
US4077470A (en) 1978-03-07
DE7802307U1 (de) 1978-08-17
JPS5922039B2 (ja) 1984-05-23
DE2802109A1 (de) 1978-08-03
CA1060782A (en) 1979-08-21
AU506622B2 (en) 1980-01-17
AT356612B (de) 1980-05-12
DE2802109C2 (de) 1987-01-29
AU3054977A (en) 1979-05-17

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee