EL

Erwan Lemenager

Schlumberger Technology: 1 patents #3,893 of 7,293Top 55%
Overall (All Time): #3,117,391 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8789620 Method and apparatus for transmitting or receiving information between downhole equipment and surface Martin G. Luling, Yves Mathieu, Christian Chouzenoux 2014-07-29