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Publication numberDE69213648 D1
Publication typeGrant
Application numberDE1992613648
Publication date17 Oct 1996
Filing date6 Oct 1992
Priority date25 Oct 1991
Also published asCA2079621A1, DE69213648T2, EP0538929A1, EP0538929B1, US5309946
Publication number1992613648, 92613648, DE 69213648 D1, DE 69213648D1, DE-D1-69213648, DE1992613648, DE69213648 D1, DE69213648D1, DE92613648
InventorsPatrice Ligneul
ApplicantSchlumberger Ind Sa
Export CitationBiBTeX, EndNote, RefMan
Stromverbesserer Stromverbesserer translated from German
DE 69213648 D1
Abstract  available in
Description  available in
Claims  available in
International ClassificationF15D1/02, F15D1/00
Cooperative ClassificationF15D1/02
European ClassificationF15D1/02
Legal Events
9 Oct 19978364No opposition during term of opposition
7 Nov 20028339Ceased/non-payment of the annual fee