Patrick Gourdonneau

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Clamart Cedex, FR

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Patents Grantslast 30 patents

Information Patent Grant
Redundant systems for downhole permanent installations
- Patent number 7,520,321
- Issue date Apr 21, 2009
- Schlumberger Technology Corporation
- Stéphane Hiron
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Redundant systems for downhole permanent installations
- Publication number 20070007001
- Publication date Jan 11, 2007
- Stephane Hiron
- H04 - ELECTRIC COMMUNICATION TECHNIQUE