GD

Gunnar Debruijn

Schlumberger Technology: 2 patents #2,609 of 7,293Top 40%
Overall (All Time): #2,077,080 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8517100 Compositions and methods for cleaning a wellbore prior to cementing Syed A. Ali, Laurent Delabroy, Emmanuel Therond, Bruno Drochon, Cecilia Nguyen 2013-08-27
7836953 Carbonaceous extenders for flexible cement Robert M. Williams, Emmanuel Therond 2010-11-23