PF

Philip Fletcher

Schlumberger Technology: 7 patents #897 of 7,293Top 15%
OS Oilflow Solutions: 5 patents #1 of 5Top 20%
Overall (All Time): #350,772 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9303202 Polymeric treatment and wellbore pump arranged to increase hydrocarbon production Michael John Crabtree, Jeffrey Forsyth 2016-04-05
8672033 Method of improving performance and efficiency of wellbore pump for hydrocarbon production Michael John Crabtree, Jeffrey Forsyth 2014-03-18
8357745 Wax-containing materials Jeffrey Forsyth 2013-01-22
8178586 Method for reducing the viscosity of viscous fluids Michael John Crabtree, Donald Eagland, Nicholas John Crowther 2012-05-15
7745500 Method for reducing the viscosity of viscous fluids Michael John Crabtree, Donald Eagland, Nicholas John Crowther 2010-06-29
7559370 Restricting fluid passage and novel materials therefor Michael John Crabtree, Nicholas John Crowther, Donald Eagland 2009-07-14
7343978 Scale dissolver fluid Timothy Gareth John Jones, Gary John Tustin, Jesse Lee 2008-03-18
7156177 Scale dissolver fluid Timothy Gareth John Jones, Gary John Tustin, Jesse Lee 2007-01-02
6881709 Viscosity reduction of viscoelastic surfactant based fluids Erik Nelson, Bernhard Lungwitz, Keith Ingram Dismuke, Mathew M. Samuel, Golchi Salamat +6 more 2005-04-19
6009419 Method for predicting cement properties Peter V. Coveney 1999-12-28
5475220 Method to determine the phase composition of cement Trevor Hughes, Timothy Gareth John Jones 1995-12-12
5140527 Method for the determination of the ionic content of drilling mud Timothy Gareth John Jones, Trevor Hughes 1992-08-18
5005406 Monitoring drilling mud composition using flowing liquid junction electrodes Raymond J. Jasinski, Claude Vercaemer 1991-04-09
D291447 Sunglasses Jeffery A. Briden 1987-08-18