METHOD AND APPARATUS FOR TESTING LOST CIRCULATION MATERIALS WITHIN A PERMEABILITY PLUGGING APPARATUS

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EP 2 906 776 B8

(12)	CORRECTED EUROPEAN PATENT SPECIFICATION
	Note: Bibliography reflects the latest situation

(15)	Correction information:
	Corrected version no 1 (W1 B1)

(48)	Corrigendum issued on:
	17.07.2019 Bulletin 2019/29

(45)	Mention of the grant of the patent:
	08.05.2019 Bulletin 2019/19

(21)	Application number: 13847702.1

(22)	Date of filing: 15.10.2013

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International Patent Classification (IPC):

E21B 21/08^(2006.01)
G01N 11/04^(2006.01)

E21B 21/01^(2006.01)
G01N 33/28^(2006.01)

(86)	International application number:
	PCT/US2013/064961

(87)	International publication number:
	WO 2014/062626 (24.04.2014 Gazette 2014/17)

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METHOD AND APPARATUS FOR TESTING LOST CIRCULATION MATERIALS WITHIN A PERMEABILITY PLUGGING APPARATUS

VERFAHREN UND VORRICHTUNG ZUM TESTEN VON LOST-CIRCULATION-STOFFEN IN EINER PERMEABILITÄTSABDICHTUNGSVORRICHTUNG

MÉTHODE ET APPAREIL DE TEST DE MATÉRIAUX COLMATANTS DANS UN APPAREIL DE COLMATAGE DE PERMÉABILITÉ

(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:

15.10.2012 US 201213652142

(43)	Date of publication of application:
	19.08.2015 Bulletin 2015/34

(73)	Proprietor: Halliburton Energy Services Inc.
	Houston, Texas 77032 (US)

(72)	Inventors:
	MURPHY, Robert, J. Kingwood, TX 77339 (US) MILLER, Matthew, L. Spring, TX 77381 (US)

(74)	Representative: Turner, Craig Robert
	A.A. Thornton & Co. 10 Old Bailey London EC4M 7NG London EC4M 7NG (GB)

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References cited: :

EP-A1- 2 810 062
US-A- 4 748 849
US-A1- 2009 029 878
US-B2- 7 870 782

WO-A1-2008/118953
US-A1- 2009 029 878
US-A1- 2011 290 012
US-B2- 8 091 726

HAMIDA T ET AL: "Filtration loss characteristics of aqueous waxy hull-less barley (WHB) solutions", JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING, ELSEVIER, AMSTERDAM, NL, vol. 72, no. 1-2, 1 May 2010 (2010-05-01), pages 33-41, XP027046911, ISSN: 0920-4105 [retrieved on 2010-02-24]
"PERMEABIILIITY PLUGGIING APPARATUS (PPA)", , 1 January 2007 (2007-01-01), XP055060626, Houston, Texas, USA Retrieved from the Internet: URL:http://www.fann.com/public1/products/p ubsdata/Brochures/PPA.pdf [retrieved on 2013-04-22]

Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).