Invention Publication
- Patent Title: VERFAHREN ZUM LÖSEN VON ERDALKALIMETALLSULFATE UMFASSENDEN ABLAGERUNGEN
- Patent Title (English): Method for dissolving deposits containing alkaline earth metal sulphates
- Patent Title (中): 法求解碱土综合矿床
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Application No.: EP13712794.0Application Date: 2013-03-27
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Publication No.: EP2834319A1Publication Date: 2015-02-11
- Inventor: BERTKAU, Walter , HATSCHER, Stephan , FRENZEL, Stefan , OSSMER, Uwe
- Applicant: BASF SE , Wintershall Holding GmbH
- Applicant Address: 67056 Ludwigshafen DE
- Assignee: BASF SE,Wintershall Holding GmbH
- Current Assignee: BASF SE,Wintershall Holding GmbH
- Current Assignee Address: 67056 Ludwigshafen DE
- Priority: US201261619445P 20120403; EP12162980 20120403
- International Announcement: WO2013149923 20131010
- Main IPC: C09K8/528
- IPC: C09K8/528
Abstract:
Method for dissolving deposits containing alkaline earth metal sulphates in subterranean systems or system parts for obtaining petroleum, natural gas and/or water, in which method the deposits are treated with an aqueous formulation containing methanesulphonic acid.
Public/Granted literature
- EP2834319B1 VERFAHREN ZUM LÖSEN VON ERDALKALIMETALLSULFATE UMFASSENDEN ABLAGERUNGEN Public/Granted day:2016-01-20
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