Technical articles
Clients and EMGS employees have published a significant amount of technical papers about EM since 2002. Explore our paper archive below.
EAGE (35 results)
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Data Driven Initial Model Estimation with Application to Marine CSEM Data
R. Mittet* (EMGS) -
Seismic Inversion for a Smooth Velocity Model Using a Wave to Diffusion Transform
R. Mittet* (EMGS) -
Comparison of TTI and VTI 3D Inversion of CSEM Data
K.R. Hansen* (EMGS), M. Panzner (EMGS), D. Shantsev (EMGS), K. Mohn (MultiClient Geophysical) -
3D CSEM Inversion Of Data Affected by Infrastructure
J.P. Morten, L. Berre*, S. de la Kethulle de Ryhove, V. Markhus -
The Next Generation Electromagnetic Acquisition System
A.K. Nguyen, P. Hanssen*, R. Mittet, H.R. Jensen,L.T.T. Fogelin, M. Skarø, M. Rosenquist -
MT Noise Suppression for Marine CSEM Data
K.R. Hansen (EMGS ASA), V. Markhus (EMGS ASA) & R.Mittet (EMGS ASA) -
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 -
Investigation of a mid crustal conductor in the NGR inferred from magnetotelluric data
R. Corseri, K. Senger, S. Planke, D. Maharjan, C.B. Pedersen -
Robust and Fast Data-Driven MT Processing
V. Markhus, M. Calvert, L. Uri, C. Twarz -
A geologically constrained basis for global inversion of CSEM data using a dynamic number of parameters
O.J. Skrede, J.P. Morten, L. Boman -
A Low-rank approximation to the Hessian for 3D CSEM Gauss-Newton Inversion
M. Amaya, L. Boman, J.P. Morten -
Improved Resolution Salt Imaging from 3D CSEM Anisotropic Inversion
J.P. Morten, C. Twarz, V. Valente Ricoy-Paramo, S. Sun -
Efficient 3D MT Inversion Using Finite-difference Time-domain Modelling
S. de la Kethulle de Ryhove, J.P. Morten, K. Kumar -
Looking Through the Haze - How CSEM Can Improve Reservoir Imaging where Seismic Struggles
S. Chakraborty, M. Choo, H.T. Pedersen -
Salt flank exploration - 3D CSEM imaging in the SEAM model
Jan Petter Morten, Krishna Kumar -
Fluid substitution and production effects imaged for North Sea oil field from quantitative seismic and CSEM interpretation
Jan Petter Morten, D Timko, PA Olsen -
Reserves estimation from 3D CSEM inversion for prospect risk analysis
Daniel Baltar, Friedrich Roth -
Sub-basalt Imaging Using Broadside CSEM
Jan Petter Morten, Stein Fanavoll, Frida.M. Mrope & Anh Kiet Nguyen -
Fast-track Marine CSEM Processing and 3D Inversion
Jan Petter Morten and Astrid Kornberg Bjørke -
Shallow Water CSEM Using a Surface-towed Source
Daniil Shantsev, Friedrich Roth, ClaudiaTwarz, Asbjørn Frisvoll and Anh Kiet Nguyen -
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 -
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 -
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 -
A Modeling Study of Low-frequency CSEM in Shallow Water
Michael A. Frenkel and Sofia Davydycheva -
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 -
Data Preprocessning and Starting Model Preparation for 3D Inversion of Marine CSEM Surveys
Jürgen J. Zach, Friedrich Roth and Honglin Yuan -
On the Removal of MT Signals from SBL Data
Sebastien de la Kethulle de Ryhove, Frank Maaø -
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 -
Depth migration of seabed logging data
Rune Mittet, Frank A. Maaø , Odd Marius Aakervik and Svein Ellingsrud -
EM Seabed logging on the Troll field
S.E. Johnstad, and B.A. Farrelly, Hydro and C. Ringstad, EMGS -
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 -
Inversion of seabed-logging data acquired in shallow waters
Rune Mittet, Lars Løseth and Svein Ellingsrud -
Norwegian Sea a seabed-logging case study
Tor Arne Wicklund and Stein Fanavoll -
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