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Technical articles

Our clients and EMGS employees have published many technical papers since 2002.
Year Title Author
2019 Building confidence in CSEM for exploration - Benchmarking Antony PRICE*, Total E&P with Claudia Twarz and Pål Gabrielsen, EMGS
2019 CSEM quantitative interpretation for reservoir property estimation and anti-model evaluation Jan Petter Morten*, Jon Olav Jenssen, Elias Andre Nerland, and Pål T. Gabrielsen, EMGS ASA; John Reidar Granli, OMV Norway
2019 3D controlled-source electromagnetic imaging of gas hydrates: Insights from the Pelotas Basin offshore Brazil Raghava Tharimela, Adolpho Augustin, Marcelo Ketzer, Jose Cupertino, Dennis Miller, Adriano Viana and Kim Senger
2019 Efficient use of sparsity by direct solvers applied to 3D CSEM problems Patrick R. Amestoy, Sebastien de la Kethulle de Ryhove, Jean-Yves L`Excellent, Gilles Moreau, Daniil Shantsev
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)
2018 Applying high-resolution 3D CSEM and seismic for integrated reservoir characterization Granli*, Daudina, Robertson (OMV), Morten, Gabrielsen, Sigvatsen (EMGS)
2018 Relaxed repeatability requirements for 4D marine CSEM: inversion study Shantsev*, Nerland (EMGS), Babakhani, Gelius (University of Oslo)
2018 Data driven initial model estimation with application to marine CSEM data R. Mittet, L. Berre (EMGS)
2018 Second-order time integration of the wave equation with dispersion correction procedures R. Mittet (EMGS)
2018 Electromagnetic modeling of induced polarization with the fictitious wave domain method R. Mittet (EMGS)
2018 Seismic inversion for a smooth velocity model using a wave to diffusion transform R. Mittet (EMGS)
2018 Implementing internal interfaces in finite-difference schemes with the Heaviside step function R. Mittet (EMGS)
2017 Large-scale 3-D EM modelling with a Block Low-Rank multifrontal direct solver Daniil Shantsev, Piyoosh Jaysaval, Sebastien de la Kethulle de Ryhove, P. R. Amestoy, A. Buttari,J-Y L’Excellent, T. Mary
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
2017 Quantitative comparison of deep-reading well resistivity to 3D CSEM at Wisting Jan Petter Morten*, EMGS, Helene Hafslund Veire and John Reidar Granli, OMV Norge, Pål T. Gabrielsen, EMGS
2017 Maturing broadband 3D CSEM for improved reservoir property prediction in the Realgrunnen Group at Wisting, Barents Sea John Reidar Granli* and Helene Hafslund Veire, OMV Norge, Pål T. Gabrielsen and Jan Petter Morten, EMGS
2017 Seismic wavepropagation concepts applied to the interpretation of marine controlled-source electromagnetics Rune Mittet∗, EMGS
2017 The next generation offshore CSEM acquisition system Peter Hanssen*, A K Nguyen, L T Fogelin, H R Jensen, M Skarø, R Mittet, M Rosenquist, L Ó Súilleabháin, P van der Sman
2017 Modelling Exploration Strategies D. Baltar (EMGS), N. Barker (EMGS)
2016 An Electrical Rock Physics Framework Daniel Baltar, Neville Barker, EMGS; Matthew Carr, Christopher Schidt, QI Petrophysics
2016 A modeling study of augmenting coarse-grid 3D CSEM with data from a towed receiver array Jan Petter Morten, Jean-Michael Poudroux, Rune Mittet
2016 Integrated seismic and electromagnetic model building applied to improve subbasalt depth imaging in the Faroe-Shetland basin Martin Panzner, Jan Petter Morten, Wiktor Waldemar Weibull, Børge Arntsen
2016 3D CSEM data inversion using Newton and Halley class methods Manuel Amaya, K.R. Hansen, Jan Petter Morten
2016 A low-rank approximation for large-scale 3D controlled-source Manuel Amaya, Jan Petter Morten, Linus Boman
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)
2016 Fully anisotropic 3-D EM modelling on a Lebedev grid with a multigrid pre-conditioner Piyoosh Jaysaval, Daniil V. Shantsev, Sebastien de la Kethulle de Ryhove and Tarjei Bratteland
2016 Full-Jacobian Gauss-Newton 3D marine magnetotelluric inversion S´ebastien de la Kethulle de Ryhove, Rune Mittet
2016 TTI inversion of marine CSEM data K. R. Hansen, M. Panzner, D. Shantsev, R. Mittet
2016 Comparing large-scale 3D Gauss-Newton and BFGS CSEM inversions K.Nguyen(Statoil), J.I. Nordskag(Statoil), T. Wiik(Statoil), A.K.Bjørke, L.Boman, O.M.Pedersen, J.Robaudo, R.Mittet
2016 CSEM anomaly identification Neville Barker, Daniel Baltar
2015 Rigorous interpolation near tilted interfaces in 3-D finite-difference EM modelling Daniil Shantsev, Frank A. Maaø
2015 Seismic wave propagation concepts applied to the interpretation of marine controlled-source electromagnetics Rune Mittet
2015 Many hands make light work Karyna Rodriguez, Dan Negri, Neil Dyer, Håkon T. Pedersen
2015 Sub-basalt exploration in the Kutch-Saurashtra basin using EM Deepankar Borgohain, Krishna Kumar, UG Marathe, Pradipta Mishra, Deepak Kumar
2015 Marking the edge of reservoir with new approach of processing & Inversion algorithm Deepak Kumar et al
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
2015 Exploring sub-basalt with EM constrained velocity model Krishna Kumar, Martin Panzner, Deepak Kumar, Deepankar Borgohain
2015 Efficient 3D CSEM modelling using an exponential finite-difference method Piyoosh Jaysaval, Daniil V. Shantsev, Sebastien de la Kethulle de Ryhove
2015 Additional Data Helps Investment Decisions Daniel Zweidler, Daniel Baltar, Neville Barker
2015 Augmenting coarse-grid 3D CSEM with data from a towed-receiver array Jan Petter Moten, Jean-Michael Poudroux, Rune Mittet
2015 Prospectivity evaluation with 3D CSEM Daniel Baltar and Neville D. Barker
2014 Getting a grasp on basalt Siobhan Ryan
2014 CSEM as a tool for better exploration decisions: Case studies from the Barents Sea, Norwegian Continental Shelf Stein Fanavoll, Pål T Gabrielsen, Svein Ellingsrud
2014 3D marine magnetotelluric modeling and inversion with the finite-difference time-domain method Sébastien de la Kethulle de Ryhove, Rune Mittet
2014 Fast multimodel finite-difference controlled-source electromagnetic simulations based on a Schur complement approach Piyoosh Jaysaval, Daniil Shantsev, Sébastien de la Kethulle de Ryhove
2014 Efficient computation of approximate low-rank Hessian for 3D CSEM inversion Manuel Amaya et al
2014 Sub-basalt imaging in the Faroe-Shetland Basin using CSEM&MT data to constrain the velocity model Martin Panzner et al
2014 Electro-Magnetic Sensitivity in the Bengal Basin: Implications for Exploration in Myanmar, Bangladesh and NE India Allan J Filipov, Robert Dilindi, Magne Drage
2014 Creating Exploration Success in the GoM EMGS
2014 Exploring channel reservoirs in a frontier area with regional CSEM as fluid indicator Håkon T. Pedersen, Mike Hiner
2014 Integration of seismic, CSEM and well data in the Perdido basin, Gulf of Mexico Philippe Nivlet, Luis Sanchez Perez, Jose Antonio Escalera Alcocer, Jose Trinidad Martinez Vazquez
2014 Avoiding dry wells in the Barents Sea Vincent Vieugue
2014 Coming to Terms with Sub-Salt & Basalt - The Role of CSEM Peyman Moghaddam
2014 What do you consider to be the biggest seismic breakthrough of the last few years? Vincent Vieugue
2014 The Importance of Electromagnetic (EM) Data – Avoiding Dry Wells in the Barents Sea Vincent Vieugue
2014 Creating Exploration Success in the GoM EMGS
2014 EM at the Centre of the Exploration Workflow PETEX
2014 A Low-rank approximation to the Hessian for 3D CSEM Gauss-Newton Inversion M. Amaya, L. Boman, J.P. Morten
2014 Value of CSEM data at low signal-to-noise ratios D.V. Shantsev, P.T. Gabrielsen, B.T. Lucien Tah, V. Markhus
2014 The impact of CSEM on exploration decisions and seismic: two case studies from the Barents Sea Stein Fanavoll, Pål T Gabrielsen, Svein Ellingsrud
2014 Channel play in Foz do Amazonas – exploration and reserve estimate using regional 3D CSEM Håkon T. Pedersen, Mike Hiner
2013 The marine controlled-source electromagnetic method in shallow water (copyright Geophysics) Rune Mittet, Jan Petter Morten
2013 Decomposition in upgoing and downgoing fields and inversion of marine CSEM data Rune Mittet, Pål Gabrielsen
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
2013 Marine CSEM in rough bathymetry Daniil Shantsev, Lina Uri, Erlend Bjørdal, Martin Hansen
2013 Offshore sub-basalt exploration using CSEM and MT Krishna Kumar, Deepankar Borgohain, Frida Mrope, Jan Petter Morten, Martin Panzner
2013 First results from a Brazilian mCSEM calibration campaign Lars Lorenz, Håkon T. Pedersen, Marco Polo Buonora
2013 Reducing uncertainty by integrating 3D CSEM in the Mexican deep-water exploration workflow (copyright First Break) Alcocer, Garcia, Soto, Baltar, Paramo, Gabrielsen, Roth
2013 Exploring frontier areas using 2D seismic and 3D CSEM data, as exemplified by multi-client data Pål T. Gabrielsen, Peter Abrahamson, Martin Panzner, Stein Fanavoll, Svein Ellingsrud
2013 Reserves estimation methods for prospect evaluation with 3D CSEM data Daniel Baltar, Friedrich Roth
2012 3D CSEM for Hydrocarbon Exploration in the Barents Sea Pål T. Gabrielsen, D.V. Shantsev, Stein Fanavoll
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 Field appraisal and accurate resource estimation from 3D quantitative interpretation of seismic and CSEM data Jan Petter Morten, Stig Arne Karlsen, Friedrich Roth
2012 Experience from using 3D CSEM in the Mexican deepwater exploration program.pdf Humberto Soto, José Alcocer, Daniel Baltar, Pål Gabrielsen, Valente Paramo, Friedrich Roth
2012 Integrated interpretation of CSEM anomaly on the Nordland Ridge, Norwegian Continental Shelf Stein Fanavoll, Pål Gabrielsen
2012 Feasibility of electromagnetic methods for sub-basalt exploration Frida Mrope, Claudia Twarz, Stein Fanavoll, Jan Petter Morten, Anh Kiet Nguyen, Stig-Kyrre Foss, A Colpært, Jostein Herredsvela
2012 Salt flank exploration: 3D CSEM imaging in the SEAM model Krishna Kumar, Jan Petter Morten
2012 Salt flank exploration - 3D CSEM imaging in the SEAM model Jan Petter Morten, Krishna Kumar
2012 Detection and imaging sensitivity of the marine CSEM method Rune Mittet, Jan Petter Morten
2012 Optimizing EM data acquisition for continental shelf exploration ND Barker, JP Morten, DV Shantsev
2012 Surface-towing versus deep-towing in Marine CSEM Daniil Shantsev, Friedrich Roth, Håvard Ramsfjell
2012 Exploration with the use of EM data in the Barents Sea Stein Fanavoll, Svein Ellingsrud, Pål T. Gabrielsen, Raghava Tharimela, Dave Ridyard
2011 Value creation using electromagnetic imaging David Ridyard, EMGS and Jonny Hesthammer, Rocksource
2011 Sub-basalt Imaging Using Broadside CSEM Jan Petter Morten, Stein Fanavoll, Frida.M. Mrope & Anh Kiet Nguyen
2011 Low Noise Ag/AgCl Electric Field Sensor System for Marine CSEM and MT Applications Geir B. Havsgård, Hans R. Jensen, Alexander Kurrasch (EMGS), Howard Jones, Paul Austin, Andrew Thompson (Ultra Electronics PMES)
2011 Unlocking the Secrets of the Barents Sea Halfdan Carstens, GEO ExPro
2011 3D reservoir characterization of a North Sea oil field using quantitative seismic & CSEM interpretation Jan P. Morten and Friedrich Roth, EMGS, David Timko and Constantin Pacurar, Fugro-Jason, Anh K. Nguyen and Per A. Olsen, Statoil
2011 Anisotropic CSEM Inversion near the “Tiger” well in AC 818, Gulf of Mexico Cam Kanhalangsy, Nick Golubev, Jurgen Johann Zach, Daniel Baltar, EMGS Americas
2011 The future of Marine CSEM (Copyright First Break) Roar Bekker and Jens Danielsen
2010 The performance of CSEM as a de-risking tool in oil and gas exploration (copyright SEG) Jonny Hesthammer and Aristofanis Stefatos, Rocksource ASA, Stein Fanavoll and Jens Danielsen, EMGS ASA

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