SUPPRESSING FLUID COMMUNICATION TO OR FROM A WELLBORE - Patent 1721059

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EP 1 721 059 A1

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(43)	Date of publication:
	15.11.2006 Bulletin 2006/46

(21)	Application number: 05707992.3

(22)	Date of filing: 10.02.2005

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International Patent Classification (IPC):

E21B 33/138^(2006.01)

E21B 43/26^(2006.01)

(86)	International application number:
	PCT/EP2005/050589

(87)	International publication number:
	WO 2005/078235 (25.08.2005 Gazette 2005/34)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

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Priority:

12.02.2004 EP 04100547

(71)	Applicant: SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
	2596 HR Den Haag (NL)

(72)	Inventors:
	BOSSAERTS, Jan Dirk B-3090 Overijse (BE) VAN EIJDEN, Gerbrand Jozef Maria NL-2288 GD Rijswijk (NL) RANS, Marc Jozef B-3053 Haasrode (BE)

(74)	Representative: Zeestraten, Albertus W. J.
	Shell International B.V., Intellectual Property Services, P.O. Box 384 2501 CJ The Hague 2501 CJ The Hague (NL)

(54)	SUPPRESSING FLUID COMMUNICATION TO OR FROM A WELLBORE