FIELD-ASSEMBLABLE BOW-SPRING CASING CENTRALIZER AND METHOD OF MAKING A CENTRALIZER - Patent 2148972

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EP 2 148 972 A1

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(43)	Date of publication:
	03.02.2010 Bulletin 2010/05

(21)	Application number: 08746600.9

(22)	Date of filing: 23.04.2008

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International Patent Classification (IPC):

E21B 17/10^(2006.01)

(86)	International application number:
	PCT/US2008/061211

(87)	International publication number:
	WO 2008/134333 (06.11.2008 Gazette 2008/45)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
	Designated Extension States:
	AL BA MK RS

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Priority:

24.04.2007 US 739284

(71)	Applicant: Frank's International, Inc.
	Houston TX 77042 (US)

(72)	Inventors:
	BUYTAERT, Jean Mineral Wells, TX 76067 (US) MILLER, Eugene, Edward Weatherford, TX 76086 (US)

(74)	Representative: Giles, Ashley Simon
	Haseltine Lake LLP Lincoln House, 5th Floor 300 High Holborn London WC1V 7JH London WC1V 7JH (GB)

(54)	FIELD-ASSEMBLABLE BOW-SPRING CASING CENTRALIZER AND METHOD OF MAKING A CENTRALIZER