SELECTIVE CONTROL OF CHARGING, FIRING, AMOUNT OF FORCE, AND/OR DIRECTION OF FORE OF ONE OR MORE DOWNHOLE JARS - Patent 2576963

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EP 2 576 963 A2

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(88)	Date of publication A3:
	03.01.2013

(43)	Date of publication:
	10.04.2013 Bulletin 2013/15

(21)	Application number: 11724902.9

(22)	Date of filing: 01.06.2011

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International Patent Classification (IPC):

E21B 31/107^(2006.01)

(86)	International application number:
	PCT/US2011/038665

(87)	International publication number:
	WO 2011/153180 (08.12.2011 Gazette 2011/49)

(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:

03.06.2010 US 351177 P

(71)	Applicant: BP Corporation North America Inc.
	Houston, TX 77079 (US)

(72)	Inventors:
	ALBERTY, Mark, W. Naperville IL 60563 (US) WINTERS, Warren, J. Naperville IL 60563 (US) LAST, Nigel Naperville IL 60563 (US)

(74)	Representative: Hamer, Christopher K.
	Mathys & Squire LLP 120 Holborn London EC1N 2SQ London EC1N 2SQ (GB)

(54)	SELECTIVE CONTROL OF CHARGING, FIRING, AMOUNT OF FORCE, AND/OR DIRECTION OF FORE OF ONE OR MORE DOWNHOLE JARS