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Technical articles

Our clients and EMGS employees have published many technical papers since 2002.
Year Title Author
2018 Comparison of TTI and VTI 3D Inversion of CSEM Data K.R. Hansen* (EMGS), M. Panzner (EMGS), D. Shantsev (EMGS), K. Mohn (MultiClient Geophysical)
2018 Seismic Inversion for a Smooth Velocity Model Using a Wave to Diffusion Transform R. Mittet* (EMGS)
2018 Data Driven Initial Model Estimation with Application to Marine CSEM Data R. Mittet* (EMGS)
2018 Robust Estimation of CSEM Measurement Uncertainty at a Destructive Interference J.P. Morten* (EMGS), M.A. Drage (EMGS), R. Mittet (EMGS)
2017 The Next Generation Electromagnetic Acquisition System A.K. Nguyen, P. Hanssen*, R. Mittet, H.R. Jensen,L.T.T. Fogelin, M. Skarø, M. Rosenquist
2017 3D CSEM Inversion Of Data Affected by Infrastructure J.P. Morten, L. Berre*, S. de la Kethulle de Ryhove, V. Markhus
2016 Background Resistivity Prediction from Seismic Velocities C. Puryear (EMGS), J. Rasmussen (EMGS), L. Sanchez (EMGS), R. Walker (BG Group), R. Reddig (Emblem Expl. Services) & L. Lorenz
2016 MT Noise Suppression for Marine CSEM Data K.R. Hansen (EMGS ASA), V. Markhus (EMGS ASA) & R.Mittet (EMGS ASA)
2015 A geologically constrained basis for global inversion of CSEM data using a dynamic number of parameters O.J. Skrede, J.P. Morten, L. Boman
2015 Robust and Fast Data-Driven MT Processing V. Markhus, M. Calvert, L. Uri, C. Twarz
2015 Investigation of a mid crustal conductor in the NGR inferred from magnetotelluric data R. Corseri, K. Senger, S. Planke, D. Maharjan, C.B. Pedersen
2014 A Low-rank approximation to the Hessian for 3D CSEM Gauss-Newton Inversion M. Amaya, L. Boman, J.P. Morten
2013 Looking Through the Haze - How CSEM Can Improve Reservoir Imaging where Seismic Struggles S. Chakraborty, M. Choo, H.T. Pedersen
2013 Efficient 3D MT Inversion Using Finite-difference Time-domain Modelling S. de la Kethulle de Ryhove, J.P. Morten, K. Kumar
2013 Improved Resolution Salt Imaging from 3D CSEM Anisotropic Inversion J.P. Morten, C. Twarz, V. Valente Ricoy-Paramo, S. Sun
2012 Reserves estimation from 3D CSEM inversion for prospect risk analysis Daniel Baltar, Friedrich Roth
2012 Fluid substitution and production effects imaged for North Sea oil field from quantitative seismic and CSEM interpretation Jan Petter Morten, D Timko, PA Olsen
2012 Salt flank exploration - 3D CSEM imaging in the SEAM model Jan Petter Morten, Krishna Kumar
2011 Sub-basalt Imaging Using Broadside CSEM Jan Petter Morten, Stein Fanavoll, Frida.M. Mrope & Anh Kiet Nguyen
2010 CSEM Survey over the Frigg Gas Field, North Sea Mark Hamilton, EMGS, Geir Mikkelsen, Total E&P Norge, Romain Poujardieu, EMGS and A. Price, Total E&P
2010 Shallow Water CSEM Using a Surface-towed Source Daniil Shantsev, Friedrich Roth, ClaudiaTwarz, Asbjørn Frisvoll and Anh Kiet Nguyen
2010 Fast-track Marine CSEM Processing and 3D Inversion Jan Petter Morten and Astrid Kornberg Bjørke
2009 A Modeling Study of Low-frequency CSEM in Shallow Water Michael A. Frenkel and Sofia Davydycheva
2009 Detecting low-pay reservoirs in salt provinces using 3D inversion of marine CSEM Jürgen J. Zach, Michael A. Frenkel , Anne Marit Østvedt-Ghazi, Arun Kumar and Tra Pham
2009 Importance of Azimuth Data for 3D Inversion of Marine CSEM Scanning Data Jan Petter Morten, Astrid Kornberg Bjørke, Trude Støren, Eivind Coward, Stig Arne Karlsen and Friedrich Roth
2008 Planning Time-lapse CSEM-surveys for Joint Seismic-EM Monitoring of Geological Carbon Dioxide Injection T. Norman, NTNU, H. Alnes, StatoilHydro, O. Christensen, J.J. Zach, EMGS, O. Eiken, StatoilHydro and E. Tjåland, NTNU
2008 On the Removal of MT Signals from SBL Data Sebastien de la Kethulle de Ryhove, Frank Maaø
2008 Data Preprocessning and Starting Model Preparation for 3D Inversion of Marine CSEM Surveys Jürgen J. Zach, Friedrich Roth and Honglin Yuan
2008 Gradient Calculation for 3D Inversion of CSEM Data Using a Fast Finite-difference Time-domain Modelling Code Trude Støren, Jurgen J. Zach and Frank A. Maaø
2005 EM Seabed logging on the Troll field S.E. Johnstad, and B.A. Farrelly, Hydro and C. Ringstad, EMGS
2005 Depth migration of seabed logging data Rune Mittet, Frank A. Maaø , Odd Marius Aakervik and Svein Ellingsrud
2004 Norwegian Sea a seabed-logging case study Tor Arne Wicklund and Stein Fanavoll
2004 Inversion of seabed-logging data acquired in shallow waters Rune Mittet, Lars Løseth and Svein Ellingsrud
2004 Remote characterisation of hydrocarbon-filled reservoirs at the Troll field by seabed logging B. Farrelly Norsk Hydro, C. Ringstad, EMGS, S.E. Johnstad, Norsk Hydro and S. Ellingsrud, EMGS
2003 A seabed logging calibration survey over the Ormen Lange gas field T. Røsten, Statoil, S. Johnstad, Norsk Hydro, S. Ellingsrud, EMGS, H.E. Amundsen, EXP, S. Johansen, EMGS and I. Brevik, Statoil

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