ZONAL ISOLATION OF TELESCOPING PERFORATION APPARTUS WITH MEMORY BASED MATERIAL - Patent 2232009

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EP 2 232 009 A2

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(88)	Date of publication A3:
	11.09.2009

(43)	Date of publication:
	29.09.2010 Bulletin 2010/39

(21)	Application number: 08859593.9

(22)	Date of filing: 09.12.2008

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International Patent Classification (IPC):

E21B 43/26^(2006.01)

E21B 34/14^(2006.01)

(86)	International application number:
	PCT/US2008/086018

(87)	International publication number:
	WO 2009/076334 (18.06.2009 Gazette 2009/25)

(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:

12.12.2007 US 954532

(71)	Applicant: Baker Hughes Incorporated
	Houston, TX 77210-4740 (US)

(72)	Inventors:
	VAN SICKLE, Edgar, W. The Woodlands TX 77381 (US) RATTERMAN, Eugene Houston TX 77379 (US)

(74)	Representative: Hano, Christian
	v. Füner Ebbinghaus Finck Hano Mariahilfplatz 2 & 3 81541 München 81541 München (DE)

(54)	ZONAL ISOLATION OF TELESCOPING PERFORATION APPARTUS WITH MEMORY BASED MATERIAL