CRACK DETECTION IN HIGH PRESSURE BOREHOLE TUBULARS USING ACOUSTIC EMISSION - Patent 3403084

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EP 3 403 084 A1

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(43)	Date of publication:
	21.11.2018 Bulletin 2018/47

(21)	Application number: 17738798.2

(22)	Date of filing: 10.01.2017

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International Patent Classification (IPC):

G01N 29/07^(2006.01)

G01N 29/14^(2006.01)

(86)	International application number:
	PCT/US2017/012845

(87)	International publication number:
	WO 2017/123543 (20.07.2017 Gazette 2017/29)

(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
	Designated Extension States:
	BA ME
	Designated Validation States:
	MA MD

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Priority:

12.01.2016 US 201662277695 P
06.01.2017 US 201715400260

(71)	Applicant: BAKER HUGHES, A GE COMPANY, LLC
	Houston, TX 77073 (US)

(72)	Inventor:
	ROHACH, Timothy, J. Houston TX 77044 (US)

(74)	Representative: Lambacher, Michael et al
	V. Füner Ebbinghaus Finck Hano Postfach 95 01 60 81517 München 81517 München (DE)

(54)	CRACK DETECTION IN HIGH PRESSURE BOREHOLE TUBULARS USING ACOUSTIC EMISSION