REACTIVE CHOKE FOR AUTOMATIC WELLBORE FLUID MANAGEMENT AND METHODS OF USING SAME - Patent 2780534

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EP 2 780 534 A1

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(43)	Date of publication:
	24.09.2014 Bulletin 2014/39

(21)	Application number: 12849984.5

(22)	Date of filing: 19.10.2012

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International Patent Classification (IPC):

E21B 17/18^(2006.01)
E21B 34/06^(2006.01)

E21B 43/12^(2006.01)

(86)	International application number:
	PCT/US2012/061103

(87)	International publication number:
	WO 2013/074248 (23.05.2013 Gazette 2013/21)

(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:

17.11.2011 US 201113298530

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

(72)	Inventors:
	GERRARD, David P. Magnolia, Texas 77354 (US) SADANA, Anil K. Houston, Texas 77096 (US)

(74)	Representative: Mabey, Katherine Frances
	Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)

(54)	REACTIVE CHOKE FOR AUTOMATIC WELLBORE FLUID MANAGEMENT AND METHODS OF USING SAME