GB9006796D0 - A device for centralising a component in an enclosure - Google Patents

A device for centralising a component in an enclosure

Info

Publication number
GB9006796D0
GB9006796D0 GB909006796A GB9006796A GB9006796D0 GB 9006796 D0 GB9006796 D0 GB 9006796D0 GB 909006796 A GB909006796 A GB 909006796A GB 9006796 A GB9006796 A GB 9006796A GB 9006796 D0 GB9006796 D0 GB 9006796D0
Authority
GB
United Kingdom
Prior art keywords
centralising
enclosure
component
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.)
Withdrawn
Application number
GB909006796A
Other versions
GB2242457A (en
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.)
PETROLEUM EQUIPMENT Co LI
Original Assignee
PETROLEUM EQUIPMENT Co LI
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 PETROLEUM EQUIPMENT Co LI filed Critical PETROLEUM EQUIPMENT Co LI
Priority to GB9006796A priority Critical patent/GB2242457A/en
Publication of GB9006796D0 publication Critical patent/GB9006796D0/en
Publication of GB2242457A publication Critical patent/GB2242457A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
GB9006796A 1990-03-27 1990-03-27 Casing centralisers Withdrawn GB2242457A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9006796A GB2242457A (en) 1990-03-27 1990-03-27 Casing centralisers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9006796A GB2242457A (en) 1990-03-27 1990-03-27 Casing centralisers

Publications (2)

Publication Number Publication Date
GB9006796D0 true GB9006796D0 (en) 1990-05-23
GB2242457A GB2242457A (en) 1991-10-02

Family

ID=10673317

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9006796A Withdrawn GB2242457A (en) 1990-03-27 1990-03-27 Casing centralisers

Country Status (1)

Country Link
GB (1) GB2242457A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002341386A1 (en) 2002-08-12 2004-02-25 Eni S.P.A. Integral centraliser
US20080264629A1 (en) 2007-04-24 2008-10-30 Frank's International, Inc. Field-Assemblable Bow-Spring Casing Centralizer and Method of Making A Centralizer
BR112016002220A2 (en) 2013-07-24 2017-08-01 Bp America Production Company well casing centralizers
US9181760B2 (en) 2013-07-24 2015-11-10 Innovations, Inc. Motion-based view scrolling with proportional and dynamic modes

Family Cites Families (5)

* 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
US4077470A (en) * 1977-01-27 1978-03-07 Weatherford/Lamb, Inc. Well centralizer and method of making
GB1532853A (en) * 1977-05-05 1978-11-22 Caslake Ltd J Devices for centralising pipes in borings
US4545436A (en) * 1984-01-20 1985-10-08 Antelope Oil Tool & Manufacturing Company Centralizer band-collar connection
US4688636A (en) * 1986-04-11 1987-08-25 Albert Hennessey Non-weld casing centralizer

Also Published As

Publication number Publication date
GB2242457A (en) 1991-10-02

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)