RELEASING ACTIVATORS DURING WELLBORE OPERATIONS - Patent 2783067

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EP 2 783 067 A1

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(43)	Date of publication:
	01.10.2014 Bulletin 2014/40

(21)	Application number: 12852230.7

(22)	Date of filing: 10.10.2012

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International Patent Classification (IPC):

E21B 21/08^(2006.01)
E21B 43/12^(2006.01)

E21B 21/12^(2006.01)

(86)	International application number:
	PCT/US2012/059522

(87)	International publication number:
	WO 2013/077947 (30.05.2013 Gazette 2013/22)

(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:

22.11.2011 US 201113302982

(71)	Applicant: Halliburton Energy Services, Inc.
	Houston, TX 77072 (US)

(72)	Inventors:
	SWEATMAN, Ronald Montgomery Texas 77356 (US) THAEMLITZ, Carl Cypress Texas 77429 (US) PEREZ, Gregory Pearland Texas 77581 (US) BOUR, Daniel Lee Granite Falls Washington 98252 (US)

(74)	Representative: HOFFMANN EITLE
	Patent- und Rechtsanwälte Arabellastrasse 4 81925 München 81925 München (DE)

(54)	RELEASING ACTIVATORS DURING WELLBORE OPERATIONS