DEVICE AND METHOD FOR PRESSURE REGULATION OF A WELL - Patent 2707568

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EP 2 707 568 A1

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(43)	Date of publication:
	19.03.2014 Bulletin 2014/12

(21)	Application number: 12782736.8

(22)	Date of filing: 08.05.2012

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International Patent Classification (IPC):

E21B 21/08^(2006.01)
E21B 4/00^(2006.01)

E21B 7/00^(2006.01)

(86)	International application number:
	PCT/NO2012/050083

(87)	International publication number:
	WO 2012/154057 (15.11.2012 Gazette 2012/46)

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

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Priority:

11.05.2011 NO 20110704

(71)	Applicant: International Research Institute of Stavanger AS
	4068 Stavanger (NO)

(72)	Inventor:
	CAYEUX, Eric N-4314 Sandnes (NO)

(74)	Representative: Håmsø Patentbyrå ANS
	Postboks 171 4302 Sandnes 4302 Sandnes (NO)

(54)	DEVICE AND METHOD FOR PRESSURE REGULATION OF A WELL