AU4277199A - Centraliser - Google Patents

Centraliser

Info

Publication number: AU4277199A
Authority: AU; Australia
Prior art keywords: centraliser
Prior art date: 1998-06-06
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.)

1998-06-06

Filing date

1999-06-07

Publication date

1999-12-30

1999-06-07 Application filed by SAGA TRADE U K Ltd filed Critical SAGA TRADE U K Ltd

1999-12-30 Publication of AU4277199A publication Critical patent/AU4277199A/en

Status Abandoned legal-status Critical Current

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)

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
US7878241B2 (en)	2007-05-16	2011-02-01	Frank's International, Inc.	Expandable centralizer for expandable pipe string
US8196654B2 (en)	2007-05-16	2012-06-12	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
US7845061B2 (en) *	2007-05-16	2010-12-07	Frank's International, Inc.	Low clearance centralizer and method of making centralizer
US9771763B2 (en)	2007-05-16	2017-09-26	Antelope Oil Tool & Mfg. Co.	Low-clearance centralizer
EP2340350B1 (en)	2008-09-29	2016-09-07	Frank's International, LLC	Downhole device actuator and method
GB2465587B (en) *	2008-11-21	2011-12-14	Brian Nutley	Centralising tool and method of forming
EP2417324B1 (en) *	2009-04-07	2017-05-17	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

1998
- 1998-06-06 GB GBGB9812107.2A patent/GB9812107D0/en not_active Ceased
1999
- 1999-06-07 WO PCT/GB1999/001783 patent/WO1999064714A1/en active Application Filing
- 1999-06-07 AU AU42771/99A patent/AU4277199A/en not_active Abandoned

Also Published As

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

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AU3819799A (en)	1999-11-23	Methoximinomethyloxathiazines
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AU1656100A (en)	2000-06-26	Substituted 2-imino-thiazolines

Legal Events

Date	Code	Title	Description
2001-03-01	MK6	Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase