AU4277199A - Centraliser - Google Patents

Centraliser

Info

Publication number
AU4277199A
AU4277199A AU42771/99A AU4277199A AU4277199A AU 4277199 A AU4277199 A AU 4277199A AU 42771/99 A AU42771/99 A AU 42771/99A AU 4277199 A AU4277199 A AU 4277199A AU 4277199 A AU4277199 A AU 4277199A
Authority
AU
Australia
Prior art keywords
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.)
Abandoned
Application number
AU42771/99A
Inventor
Anthony Frank Cutmore
Andrew Jenner
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.)
Saga Trade (uk) Ltd
Original Assignee
SAGA TRADE U K Ltd
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 SAGA TRADE U K Ltd filed Critical SAGA TRADE U K Ltd
Publication of AU4277199A publication Critical patent/AU4277199A/en
Abandoned 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
AU42771/99A 1998-06-06 1999-06-07 Centraliser Abandoned AU4277199A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9812107 1998-06-06
GBGB9812107.2A GB9812107D0 (en) 1998-06-06 1998-06-06 Improved casing & tubing centraliser
PCT/GB1999/001783 WO1999064714A1 (en) 1998-06-06 1999-06-07 Centraliser

Publications (1)

Publication Number Publication Date
AU4277199A true AU4277199A (en) 1999-12-30

Family

ID=10833262

Family Applications (1)

Application Number Title Priority Date Filing Date
AU42771/99A Abandoned AU4277199A (en) 1998-06-06 1999-06-07 Centraliser

Country Status (3)

Country Link
AU (1) AU4277199A (en)
GB (1) GB9812107D0 (en)
WO (1) WO1999064714A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US7878241B2 (en) 2007-05-16 2011-02-01 Frank's International, Inc. Expandable centralizer for expandable pipe 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
US8360161B2 (en) 2008-09-29 2013-01-29 Frank's International, Inc. Downhole device actuator and method
GB2465587B (en) * 2008-11-21 2011-12-14 Brian Nutley Centralising tool and method of forming
WO2010118186A2 (en) * 2009-04-07 2010-10-14 Frank's International, Inc. Friction reducing wear band and method of coupling a wear band to a tubular

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2546582A (en) * 1948-03-01 1951-03-27 Baker Oil Tools Inc Casing centralizer
FR1338552A (en) * 1962-08-18 1963-09-27 Materiel Pour La Rech Et L Exp Improvements to centralizers of sounding tubes or
US3270697A (en) * 1962-10-02 1966-09-06 B & W Inc Method for forming a pipe centering device
US3209836A (en) * 1963-02-01 1965-10-05 Trojan Inc Strong bow centralizer
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
US4875524A (en) * 1988-09-29 1989-10-24 Halliburton Company Casing centralizer

Also Published As

Publication number Publication date
GB9812107D0 (en) 1998-08-05
WO1999064714A1 (en) 1999-12-16

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase