GB2016063B - Tubing centraliser - Google Patents

Tubing centraliser

Info

Publication number
GB2016063B
GB2016063B GB7907258A GB7907258A GB2016063B GB 2016063 B GB2016063 B GB 2016063B GB 7907258 A GB7907258 A GB 7907258A GB 7907258 A GB7907258 A GB 7907258A GB 2016063 B GB2016063 B GB 2016063B
Authority
GB
United Kingdom
Prior art keywords
centraliser
tubing
tubing centraliser
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
Application number
GB7907258A
Other versions
GB2016063A (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.)
KREFT G
Original Assignee
KREFT G
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 KREFT G filed Critical KREFT G
Publication of GB2016063A publication Critical patent/GB2016063A/en
Application granted granted Critical
Publication of GB2016063B publication Critical patent/GB2016063B/en
Expired 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
GB7907258A 1978-03-03 1979-03-01 Tubing centraliser Expired GB2016063B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782809181 DE2809181B2 (en) 1978-03-03 1978-03-03 Safety centering basket

Publications (2)

Publication Number Publication Date
GB2016063A GB2016063A (en) 1979-09-19
GB2016063B true GB2016063B (en) 1982-05-19

Family

ID=6033466

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7907258A Expired GB2016063B (en) 1978-03-03 1979-03-01 Tubing centraliser

Country Status (3)

Country Link
DE (1) DE2809181B2 (en)
FR (1) FR2418862A1 (en)
GB (1) GB2016063B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD665825S1 (en) 2011-10-28 2012-08-21 Top-Co Cementing Products Inc. Casing centralizer
USD665824S1 (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
USD849800S1 (en) 2012-04-04 2019-05-28 Summit Energy Services, Inc. Casing centralizer having spiral blades

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8901348D0 (en) * 1989-01-21 1989-03-15 Cambridge Radiation Tech Drilling apparatus
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
WO2004015238A1 (en) 2002-08-12 2004-02-19 Eni S.P.A. Integral centraliser
GB2480869B (en) 2010-06-04 2017-01-11 Bisn Tec Ltd Method and apparatus for use in well abandonment
GB201223055D0 (en) * 2012-12-20 2013-02-06 Carragher Paul Method and apparatus for use in well abandonment
GB201406071D0 (en) 2014-04-04 2014-05-21 Bisn Tec Ltd Well Casing / Tubing Disposal
GB201414565D0 (en) 2014-08-15 2014-10-01 Bisn Oil Tools Ltd Methods and apparatus for use in oil and gas well completion
GB2551693B (en) 2016-05-24 2021-09-15 Bisn Tec Ltd Down-hole chemical heater and methods of operating such
GB2562208B (en) 2017-04-04 2021-04-07 Bisn Tec Ltd Improvements relating to thermally deformable annular packers
GB2568519B (en) 2017-11-17 2022-09-28 Bisn Tec Ltd An expandable eutectic alloy based downhole tool and methods of deploying such

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD665825S1 (en) 2011-10-28 2012-08-21 Top-Co Cementing Products Inc. Casing centralizer
USD665824S1 (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
USD849800S1 (en) 2012-04-04 2019-05-28 Summit Energy Services, Inc. Casing centralizer having spiral blades

Also Published As

Publication number Publication date
DE2809181B2 (en) 1980-07-24
DE2809181A1 (en) 1979-09-06
FR2418862A1 (en) 1979-09-28
GB2016063A (en) 1979-09-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee