PC

Philip A. F. Christie

WL Westerngeco L.L.C.: 5 patents #64 of 486Top 15%
Schlumberger Technology: 2 patents #2,609 of 7,293Top 40%
📍 Fen Drayton, GB: #2 of 5 inventorsTop 40%
Overall (All Time): #726,858 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
9897710 Borehole seismic acquisition tools, systems and methods Julian Edward Kragh, Emmanuel Coste, Nicolas Goujon, Clement Kostov 2018-02-20
9274239 Wavefield deghosting Massimiliano Vassallo, Dirk-Jan Van Manen, Susanne Rentsch-Smith 2016-03-01
9091787 Separation of simultaneous source data Ying Ji, Julian Edward Kragh 2015-07-28
9038765 Neutrally-buoyant borehole investigation tools and methods Nicolas Goujon, Julian Edward Kragh, Emmanuel Coste, Clement Kostov, Oeyvind Teigen +2 more 2015-05-26
8693282 Deghosting seismic data Ahmet Kemal Ozdemir, Bent Andreas Kjellesvig, Philippe Caprioli, Julian Edward Kragh 2014-04-08
8576662 Interpolation and/or extrapolation of seismic data 2013-11-05
7961549 Enhancing the acquisition and processing of low frequencies for sub-salt imaging Nicolae Moldoveanu, Mark Egan 2011-06-14