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Jan W. Smits
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Clamart, FR
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Patents Grants
last 30 patents
Information
Patent Grant
Extended length cable assembly for a hydrocarbon well application
Patent number
8,697,992
Issue date
Apr 15, 2014
Schlumberger Technology Corporation
Peter Gillan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Integrated electrode resistivity and EM telemetry tool
Patent number
7,782,060
Issue date
Aug 24, 2010
Schlumberger Technology Corporation
Brian Clark
G01 - MEASURING TESTING
Information
Patent Grant
Methods and apparatuses for measuring the resistivity of drilling m...
Patent number
6,369,575
Issue date
Apr 9, 2002
Schlumberger Technology Corporation
Pierre Eisenmann
G01 - MEASURING TESTING
Information
Patent Grant
Method/apparatus for measuring mud resistivity using a focused-elec...
Patent number
6,046,593
Issue date
Apr 4, 2000
Schlumberger Technology Corporation
Pierre Eisenmann
G01 - MEASURING TESTING
Information
Patent Grant
Methods and apparatus for measuring characteristics of a formation...
Patent number
5,852,363
Issue date
Dec 22, 1998
Schlumberger Technology Corporation
Jan W. Smits
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for measuring geometrical characteristics of a...
Patent number
5,754,050
Issue date
May 19, 1998
Schlumberger Technology Corporation
Jan W. Smits
G01 - MEASURING TESTING
Information
Patent Grant
Logging method and apparatus for investigating geometrical characte...
Patent number
5,426,368
Issue date
Jun 20, 1995
Schlumberger Technology Corporation
Dominique Benimeli
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Extended Length Cable Assembly for a Hydrocarbon Well Application
Publication number
20090194296
Publication date
Aug 6, 2009
Peter Gillan
E21 - EARTH DRILLING MINING
Information
Patent Application
Integrated Electrode Resistivity and EM Telemetry Tool
Publication number
20080156534
Publication date
Jul 3, 2008
Brian Clark
E21 - EARTH DRILLING MINING