Alan Johnston

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Noisy-Le-Roi, FR

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Patents Grantslast 30 patents

Information Patent Grant
System and method for performing intervention operations with a com...
- Patent number 8,973,665
- Issue date Mar 10, 2015
- Andrea Sbordone
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pressure control with compliant guide
- Patent number 7,845,412
- Issue date Dec 7, 2010
- Schlumberger Technology Corporation
- Andrea Sbordone
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR PERFORMING INTERVENTION OPERATIONS WITH A COM...
- Publication number 20100139926
- Publication date Jun 10, 2010
- Andrea Sbordone
- E21 - EARTH DRILLING MINING
Information Patent Application
PRESSURE CONTROL WITH COMPLIANT GUIDE
- Publication number 20080185152
- Publication date Aug 7, 2008
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Andrea Sbordone
- E21 - EARTH DRILLING MINING
Information Patent Application
SUBSEA INTERVENTION WITH COMPLIANT GUIDE
- Publication number 20080185153
- Publication date Aug 7, 2008
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Eric Smedstad
- E21 - EARTH DRILLING MINING