PC

Pierre Campanac

Schlumberger Technology: 13 patents #424 of 7,293Top 6%
Overall (All Time): #382,637 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9322267 Downhole sampling of compressible fluids Julian Pop 2016-04-26
9091150 Downhole formation tester apparatus and methods Simon Ross 2015-07-28
8681582 Method for sonic indication of formation porosity and lithology Peter Wu, Alain Dumont 2014-03-25
8619501 Ultrasonic measurements performed on rock cores Fernando Garcia-Osuna 2013-12-31
8564315 Downhole corrosion monitoring Patrick Fisseler, Anthony R. H. Goodwin, John W. Still 2013-10-22
8553493 Method for permeable zone detection Peter Wu, Alain Dumont, David Johnson 2013-10-08
8547789 Method for gas zone detection using sonic wave attributes Peter Wu, Alain Dumont, David Johnson 2013-10-01
8471560 Measurements in non-invaded formations Robert Freedman, Douglas W. Grant, Henry N. Bachman 2013-06-25
8448703 Downhole formation tester apparatus and methods Simon Ross 2013-05-28
8393874 Hybrid pumping system for a downhole tool Alexander F. Zazovsky, Mark Milkovisch 2013-03-12
8238194 Methods and systems for compressing sonic log data Peter Wu, Shu-Kong Chang, James Thompson, Anshuman Sinha 2012-08-07
7639563 Method for sonic indication of voids in casing cement Peter Wu, Alain Dumont 2009-12-29
6643221 Structures and methods for damping tool waves particularly for acoustic logging tools Chaur-Jian Hsu, Jahir Pabon, Richard D. Joyce, Ralph M. D'Angelo, Jeffrey B. Aron +4 more 2003-11-04