ADDITIVES TO CONTROL HYDROGEN SULFIDE RELEASE OF SULFUR CONTAINING AND/OR PHOSPHORUS CONTAINING CORROSION INHIBITORS - Patent 3737781

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EP 3 737 781 A1

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(43)	Date of publication:
	18.11.2020 Bulletin 2020/47

(21)	Application number: 19738997.6

(22)	Date of filing: 08.01.2019

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International Patent Classification (IPC):

C23F 11/167^(2006.01)

E21B 41/02^(2006.01)

(86)	International application number:
	PCT/US2019/012735

(87)	International publication number:
	WO 2019/139910 (18.07.2019 Gazette 2019/29)

(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:
	KH MA MD TN

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Priority:

12.01.2018 US 201815870297

(71)	Applicant: Baker Hughes Holdings LLC
	Houston, TX 77073 (US)

(72)	Inventors:
	VAITHILINGAM, Panchalingam Friendswood, TX 77546 (US) HARRELL, Bradley G. Pearland, TX 77584 (US)

(74)	Representative: Lambacher, Michael et al
	V. Füner Ebbinghaus Finck Hano Patentanwälte Mariahilfplatz 3 81541 München 81541 München (DE)

(54)	ADDITIVES TO CONTROL HYDROGEN SULFIDE RELEASE OF SULFUR CONTAINING AND/OR PHOSPHORUS CONTAINING CORROSION INHIBITORS