Poster

• Khayrullaev, Jokhongir; Iversen, Einar; Jakobsen, Morten et al. (2025). Estimation of interval P-wave velocities from Dix velocities using a neural-network parameterization. (ekstern lenke)
• Khayrullaev, Jokhongir; Iversen, Einar; Jakobsen, Morten et al. (2025). Estimation of the P-wave Velocity Model from Dix Velocities Using a Neural Network Parameterization. (ekstern lenke)

Vitenskapelig artikkel

• Zabegaev, Yury; Keilegavlen, Eirik; Iversen, Einar et al. (2024). Automated linear solver selection for simulation of multiphysics processes in porous media. (ekstern lenke)
• Shekhar, Ujjwal; Jakobsen, Morten; Iversen, Einar et al. (2024). Microseismic wavefield modelling in anisotropic elastic media using integral equation method. (ekstern lenke)
• Tschache, Saskia; Vinje, Vetle; Lie, Jan Erik et al. (2024). Estimation of net-to-gross ratio and net pay from seismic amplitude-variation-with-offset using Bayesian inversion. (ekstern lenke)
• Jonge, Thomas de; Vinje, Vetle; Poole, Gordon et al. (2023). Deghosting dual-component streamer data using demigration-based supervised learning. (ekstern lenke)
• Tschache, Saskia; Vinje, Vetle; Lie, Jan Erik et al. (2023). Quantifying amplitude-variation-with-offset uncertainties related to calcite-cemented beds using a Monte Carlo simulation. (ekstern lenke)
• Tschache, Saskia; Vinje, Vetle; Iversen, Einar (2022). On the accuracy and spatial sampling of finite-difference modelling in discontinuous models. (ekstern lenke)
• Jonge, Thomas de; Vinje, Vetle; Poole, Gordon et al. (2022). De-bubbling Seismic Data using a Generalized Neural Network. (ekstern lenke)
• Jonge, Thomas de; Vinje, Vetle; Zhao, Peng et al. (2022). Source and receiver deghosting by demigration-based supervised learning. (ekstern lenke)
• Iversen, Einar; Ursin, Bjørn; Saksala, Teemu et al. (2021). Higher-order Hamilton–Jacobi perturbation theory for anisotropic heterogeneous media: transformation between Cartesian and ray-centred coordinates. (ekstern lenke)
• Iversen, Einar; Ursin, Bjørn; Saksala, Teemu et al. (2021). Higher-order Hamilton–Jacobi perturbation theory for anisotropic heterogeneous media: dynamic ray tracing in ray-centred coordinates. (ekstern lenke)
• Jakobsen, Morten; Pšenčík, Ivan; Iversen, Einar et al. (2020). Transition operator approach to seismic full-waveform inversion in arbitrary anisotropic elastic media. (ekstern lenke)
• Zhao, Hao; Waldeland, Anders U.; Serrano, Dany Rueda et al. (2020). Time-migration velocity estimation using Fréchet derivatives based on nonlinear kinematic migration/demigration solvers. (ekstern lenke)
• Iversen, Einar; Ursin, Bjørn; Saksala, Teemu et al. (2019). Higher-order Hamilton–Jacobi perturbation theory for anisotropic heterogeneous media: dynamic ray tracing in Cartesian coordinates. (ekstern lenke)
• Iversen, Einar; Ursin, Bjørn; Saksala, Teemu et al. (2019). Higher-order dynamic ray tracing in ray-centred coordinates. (ekstern lenke)
• Iversen, Einar; Ursin, Bjørn; Hoop, Maarten V. de (2018). Higher-order extrapolation of traveltime and geometrical spreading in anisotropic heterogeneous media. (ekstern lenke)
• Jakobsen, Morten; Psencik, Ivan; Iversen, Einar et al. (2017). On the parametrization of seismic anisotropy for ray-Born inversion. (ekstern lenke)
• Hoop, Maarten V. de; Holman, Sean F.; Iversen, Einar et al. (2015). Recovering the isometry type of a Riemannian manifold from local boundary diffraction travel times. (ekstern lenke)
• Hoop, Maarten V. de; Holman, Sean F; Iversen, Einar et al. (2014). Reconstruction of a conformally euclidean metric from local boundary diffraction travel times. (ekstern lenke)
• Waheed, Umar bin; Psencik, Ivan; Červený, Vlatislav et al. (2013). Two-point paraxial traveltime formula for inhomogeneous isotropic and anisotropic media: Tests of accuracy. (ekstern lenke)
• Iversen, Einar; Tygel, M; Ursin, Bjørn et al. (2012). Kinematic time migration and demigration of reflections in pre-stack seismic data. (ekstern lenke)
• Tygel, M; Ursin, Bjørn; Iversen, Einar et al. (2012). Estimation of geological dip and reflector curvature from zero-offset seismic reflections in heterogeneous anisotropic media. (ekstern lenke)
• Cerveny, Vlatislav; Iversen, Einar; Psencik, Ivan (2012). Two-point paraxial traveltimes in an inhomogeneous anisotropic medium. (ekstern lenke)
• Tygel, Martin; Ursin, Bjørn; Iversen, Einar et al. (2012). Estimation of geological dip and curvature from time-migrated zero-offset reflections in heterogeneous anisotropic media. (ekstern lenke)
• Ursin, Bjørn; Tygel, Martin; Iversen, Einar (2009). SS-traveltime parameters from PP and PS reflections. (ekstern lenke)
• Gjøystdal, Håvar; Iversen, Einar; Lecomte, Isabelle et al. (2007). Improved applicability of ray tracing in seismic acquisition, imaging, and interpretation. (ekstern lenke)
• Iversen, Einar; Gjøystdal, Håvar (1996). Event-oriented velocity estimation based on prestack data in time or depth domain. (ekstern lenke)
• Vinje, Vetle; Iversen, Einar; Åstebøl, Ketil et al. (1996). Estimation of multivalued arrivals using wavefront construction - Part I. (ekstern lenke)
• Vinje, Vetle; Iversen, Einar; Åstebøl, Ketil et al. (1996). Estimation of multivalued arrivals using wavefront construction - Part II: Tracing and interpolation. (ekstern lenke)
• Vinje, Vetle; Iversen, Einar; Gjøystdal, Håvar (1993). Traveltime and amplitude estimation using wavefront construction. (ekstern lenke)

Vitenskapelig foredrag

• Shekhar, Ujjwal; Jakobsen, Morten; Berre, Inga et al. (2023). Fast integral equation method for microseismic wavefield modelling in anisotropic elastic media.. (ekstern lenke)
• Iversen, Einar (2020). Combining ray theory with full-wave numerical methods. (ekstern lenke)
• Iversen, Einar; Ursin, Bjørn; Saksala, Teemu et al. (2019). Higher-order Hamilton-Jacobi perturbation theory for anisotropic heterogeneous media: dynamic ray tracing in ray-centred coordinates. (ekstern lenke)
• Iversen, Einar; Ursin, Bjørn; Saksala, Teemu et al. (2019). Higher-order Hamilton-Jacobi perturbation theory for anisotropic heterogeneous media: transformation between Cartesian and ray-centred coordinates. (ekstern lenke)
• Huang, Xingguo; Jakobsen, Morten; Wu, Ru-Shan et al. (2019). Modeling and inversion of seismic data by combining asymptotic, renormalization and homotopy methods. (ekstern lenke)
• Hannisdal, Bjarte; Iversen, Einar (2018). Data Analysis in Geosciences: Fostering Computational Learning. (ekstern lenke)
• Iversen, Einar; Ursin, Bjørn; Hoop, Maarten V. de (2018). Higher-order extrapolation of traveltime and geometrical spreading in anisotropic heterogeneous media. (ekstern lenke)
• Iversen, Einar; Ursin, Bjørn; Hoop, Maarten V. de (2018). Higher-order Dynamic Ray Tracing for Extrapolation of Traveltime and Geometrical Spreading. (ekstern lenke)
• Iversen, Einar; Hannisdal, Bjarte (2018). På vei mot mer studentorientert undervisning og læring i geostatistikk. (ekstern lenke)
• Zhao, Hao; Waldeland, Anders U.; Serrano, Dany Rueda et al. (2018). Time-migration Tomography based on Reflection Slopes in Pre-stack Time-migrated Seismic. (ekstern lenke)
• Iversen, Einar; Ursin, Bjørn; Hoop, Maarten V. de (2018). Higher-order Hamilton-Jacobi theory with applications for 3D heterogeneous anisotropic media. (ekstern lenke)
• Iversen, Einar; Ursin, Bjørn; Hoop, Maarten V. de (2017). Higher-order Hamilton-Jacobi perturbation equations for anisotropic media. (ekstern lenke)
• Jakobsen, Morten; Psencik, Ivan; Iversen, Einar et al. (2017). On the Parameterization of Seismic Anisotropy in Elastic Waveform Inversion - The HTI Case. (ekstern lenke)
• Zhao, Hao; Waldeland, Anders Ueland; Serrano, Dany Rueda et al. (2017). Time-migration tomography based on reflection slopes, a first test. (ekstern lenke)
• Iversen, Einar; Kaschwich, Tina (2016). Twin wavefront construction approach to simulation of shear waves in transversely isotropic layered media. (ekstern lenke)
• Ursin, Bjørn; Tygel, Martin; Iversen, Einar (2009). SS-traveltime parameters from PP- and PS-reflections. (ekstern lenke)

Faglig foredrag

• Iversen, Einar (2020). The Geophysics Group at GEO: Presentation at the Bachelor student’s event. (ekstern lenke)
• Iversen, Einar; Stemland, Helene Meling (2019). Hva er geofysikk? Hvor kan jeg få jobb?. (ekstern lenke)

Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

• Waheed, U. bin; Alkhalifah, T.; Psencik, T. et al. (2012). Two-point Paraxial Traveltime in inhomogeneous Isotropic/Anisotropic Media - Tests of Accurancy. (ekstern lenke)

Doktorgradsavhandling

• Iversen, Einar (2002). From perturbation to propagation of seismic isochrons. Dissertation for the degree Doctor Philosophiae. (ekstern lenke)

Rapport

• Gelius, Leiv-J.; Stamnes, Jakob J.; Pedersen, Hans Magne et al. (1986). 3D seismic diffraction modelling. Main project.. (ekstern lenke)

Mastergradsoppgave

• Iversen, Einar (1984). 3-D velocity inversion by use of kinematic and dynamic ray-tracing. Cand. scient thesis ( and NORSAR Tech. Rep. 1/83, December 1983). (ekstern lenke)

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