SD

Stephen Davies

Schlumberger Technology: 17 patents #295 of 7,293Top 5%
DT Dowell, A Division Of Schlumberger Technology: 1 patents #14 of 50Top 30%
Overall (All Time): #255,393 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10301903 Well treatment Courtney Payne, Mohan Kanaka Raju Panga, Hassan Chaabouni, Xuehao Tan, Chidi Eugene Nwafor 2019-05-28
8316941 Method for single-stage treatment of siliceous subterranean formations Wayne W. Frenier, Diankui Fu, Murtaza Ziauddin, Zhijun Xiao, Bruno Lecerf +2 more 2012-11-27
8312929 Method for single-stage treatment of siliceous subterranean formations Wayne W. Frenier, Diankui Fu, Murtaza Ziauddin, Zhijun Xiao, Bruno Lecerf +1 more 2012-11-20
8230936 Methods of forming acid particle based packers for wellbores Frank Espinosa, John W. Still, Jean-Louis Pessin 2012-07-31
7622430 Delayed-gelation solution Trevor Hughes, Henk Lekkerkerker, Michel Van Bruggen, Arnaud Van Der Beken 2009-11-24
7589050 Composition comprising a fully dissolved non-HF fluoride source and method for treating a subterranean formation Wayne W. Frenier, Murtaza Ziauddin, Frank F. Chang 2009-09-15
7565834 Methods and systems for investigating downhole conditions Sarmad Adnan, Jerome Maniere, Christopher Lenn 2009-07-28
7273101 Delayed-gelation solution Trevor Hughes, Henk Lekkerkerker, Michel Van Bruggen, Arnaud Van Der Beken 2007-09-25
7244694 Viscoelastic fluids containing nanotubes for oilfield uses Diankui Fu, Keith Ingram Dismuke, Ann Wattana 2007-07-17
7192908 Composition and method for treating a subterranean formation Wayne W. Frenier, Murtaza Ziauddin, Frank F. Chang 2007-03-20
7081439 Methods for controlling the fluid loss properties of viscoelastic surfactant based fluids Philip F. Sullivan, Yenny Christanti, Isabelle Couillet, Trevor Hughes, Alexander Wilson 2006-07-25
6920928 Method for water control Timothy Gareth John Jones, Silke Olthoff, Gary John Tustin 2005-07-26
6433075 Surfactant based gelling composition for wellbore service fluids Timothy Gareth John Jones, Gary John Tustin 2002-08-13
6279655 Thixotropic materials Demosthenis Georgeou Pafitis, Geoffrey Maitland 2001-08-28
6268314 Foamable gel composition Trevor Hughes, Francois Friedmann 2001-07-31
6177483 Setting composition for well operations Mostafa Ahmadi Tehrani, Geoffrey Maitland 2001-01-23
5697441 Selective zonal isolation of oil wells Claude Vercaemer, Demosthenis Georgeou Pafitis, Geoffrey Maitland, Jean-Pierre Poyet 1997-12-16
5652200 Water based drilling fluid additive and methods of using fluids containing additives Gerald Meeten, Paul Way 1997-07-29