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| ==== Articles ==== | ==== Articles ==== | ||
| - | + | === 2015 === | |
| - | - B. Abbad and B. Ursin, 2009, Automatic nonhyperbolic velocity analysis, Geophysics,74, U1-U12,[[http:// | + | - Grude, S., J. Dvorkin |
| - | - M. Alerini | + | - Haavik K. E. and M. Landrø, 2015, Variable source depth acquisition |
| - | - A.E. Malcolm, B. Ursin, | + | - Kiær, |
| - | - M.A. Ayzenberg, A.M. Ayzenberg | + | - Landrø, |
| - | - Dadashpour M., Echeverria-Ciaurri D., Kleppe, J., Landrø, M., 2009: Porosity and permeability estimation by integration of production and time-lapse near and far offset | + | - Liu Y., D. Draganov, K. Wapenaar |
| - | - Vivas, F.A., Pestana, R.C., and Ursin, | + | - Raknes, E.B., B. Arntsen and W. Weibull, 2015, Three-dimensional elastic full waveform inversion using seismic data from the Sleipner area, Geophysical |
| - | - Ayzenberg, M., Tsvankin, I., Aizenberg, A., and Ursin, B., 2009, Effective reflection coefficients for curved interfaces | + | - Raknes, E.B, W. Weibull |
| - | - Tyapkin, Y., Ursin, B., Perroud, H., Silinska, O. and Tiapkina, O., 2010, Zero- and first-order approximations for least-squares estimation of seismic signal with coherent and random noise, Journal of Geophysics and Engineering, 7, 51-63, | + | - Hao, Q., A.Stovas |
| - | - Pedersen, Ø., Brandsberg-Dahl, | + | - Hao, Q. and A.Stovas, 2015, The offset-midpoint traveltime pyramid in TTI media, Geophysical Prospecting, 63 (3), 587-596. |
| - | - Alassi, H.T.I., Holt, R.M., and Landrø, M., 2010, Relating 4D seismics to reservoir geomechanical changes using a discrete element approach, Geophysical Prospecting, 58, 657-668,[[http:// | + | |
| - | - Skopintseva, L., and Stovas, | + | === 2014 === |
| - | - Fomel, S., and Stovas, A., The generalized non-hyperbolic moveout approximation, | + | - Stovas, A., and T.Alkhalifah, 2014, Analytical approximations of diving wave imaging |
| - | - Stovas, A., and Roganov, | + | - Roganov, Yu., and A.Stovas, 2014, Low-frequency normal wave propagation in a periodically layered medium with weak-contrast in elastic properties, Geophysical Prospecting |
| - | - Mehdi Zadeh, H., Srivastava, R.P., Vedanti, N. and Landrø, M., 2010, Seismic monitoring | + | - Hao, Q. and A.Stovas, 2014, 111Equation Chapter 1 Section 1 P-wave diffraction and reflection traveltimes for a homogeneous 3D DTI model, Journal of Seismic Exploration, 23(5), 405-429. [[https://www.researchgate.net/profile/Qi_Hao6/publication/270571569_P-waves_diffraction_and_reflection_traveltimes_for_a_homogeneous_3D_TTI_medium/links/54c7e9dc0cf22d626a379762.pdf|pdf]] |
| - | - Porsani, M.J., Silva, M.G., Melo, P.E.M., and Ursin, B., 2010, SVD filtering applied to ground-roll attenuation, Journal | + | - Roganov, Yu., Stovas, A., and Yu.Roganov, 2014, Analysis of pass and stop bands in a periodically layered |
| - | - Nag, S., Alerini, M., and Ursin, B., 2010, PP/PS anisotropic | + | - Pigulevskiy, P., Nikitash, L., and A.Stovas, 2014, On the role of potential methods to study the salt and reef structures |
| - | - Wang, S., de Hoop, M.V., and Ursin, B., 2010, Illumination analysis of wave-equation imaging with curvelets, Inverse Problems, 26, 115013 (27 pp), | + | - Favretto-Cristini, N., Tantsereva, A., Cristini, P., Ursin, B., Komatitsch, D., and A.M. Aizenberg, 2014, Numerical modeling |
| - | - Duffaut, K., Landrø, M. and Sollie, R., 2010, Using Mindlin theory to model friction-dependent shear modulus in granular media, Geophysics, 75, E143-E152,[[http:// | + | - Ursin, B., Favretto-Cristini, N., and Cristini, P., 2014, Fresnel volume and interface Fresnel zone for reflected and transmitted waves from a curved interface in anisotropic |
| - | - Misaghi, A., Hegabhan, S., Landrø, M. and Javaherian, A., 2010, A comparison of rock physics models for fluid substitution in carbonate rocks, Exploration | + | - Ursin, B., Silva, M.G., and Porsani, M.J., 2014, Signal and traveltime parameter estimation using singular value decomposition. Geophysics, 79, no. 5, U1 – U14. [[http:// |
| - | - Tempone, P., Fjær, E. and Landrø, M., 2010, Improved solution of displacements due to a compacting reservoir over a rigid basement. Applied Mathematical Modelling, 34, 3352-3362,[[http:// | + | - Raknes, E.B., Weibull, W. and Arntsen, B., 2014, Elastic velocity analysis and time-lapse full-waveform inversion, The Leading Edge, 33, 1000-1006. [[http:// |
| - | - Evensen, A.K. and Landrø, M., 2010, Time-lapse | + | - Weibull, W. and Arntsen, B., 2014, Reverse-time demigration using the extended imaging condition, Geophysics, |
| - | - Roganov, Yu. and Stovas, A., 2010, On shear wave triplications in a multilayered transversely isotropic medium, | + | - Weibull, W., and B. Arntsen, 2014, Anisotropic migration velocity analysis using reverse-time migration, Geophysics 79, R13-R25. [[http:// |
| - | - Golikov, P., and Stovas, A., 2010, New weak-contrast approximation for reflection coefficients in VTI media, Journal of Geophysics and Engineering, | + | - Raknes, E. B., and Arntsen. B., 2014, Time-lapse |
| - | - Duffaut, K., Landrø, | + | - Raknes, E. B, W. Weibull |
| - | - Amundsen, L., Westerdahl, H., Thompson, M., Haugen, J.A., Reitan, A., Landrø, M., and Ursin, B., 2010, Multicomponent ocean bottom and vertical cable seismic acquisition for wavefield reconstruction, | + | - Haavik, K. and M. Landrø, 2014, Iceberg ploughmarks illuminated by shallow gas in the central North Sea, Quaternary Science Reviews, 103, 34-50. [[http:// |
| - | - Osdal, B. and Landrø, M., 2011, Estimation of changes in water column velocities and thicknesses from time lapse seismic data, Geophysical Prospecting, | + | - Grude, S., M. Landrø, J. Dvorkin, 2014, Pressure effects caused by CO2 injection in the Tubåen Fm., the Snøhvit field, International Journal of Greenhouse Gas Control, 27, 178-187. [[http:// |
| - | - Pedersen, Ø., Ursin, B., and Helgesen, H.K., 2010, One-way wave-equation migration | + | - Grude, S., M. Landrø, J.C. White, O. Torsæter, 2014, CO2 saturation |
| - | - Stovas, A., 2010, Generalized moveout approximation for qP- and qSV-waves in a homogeneous transversely isotropic medium, Geophysics, 75, D79-D84, | + | - Bhakta, T. and M. Landrø, 2014, Estimation of pressure-saturation changes for unconsolidated reservoir rocks with high Vp/Vs ratio, Geophysics, |
| - | - Stovas, A., 2010, Unconstrained Dix-type inversion in a layered VTI medium, Journal of Geophysics | + | - Witsker, S. O. S., M. Landrø and P. Avseth, 2014, Using a pseudo-steady-state flow equation and 4D seismic |
| - | - Mehdi Zadeh, H., M. Landrø and O.I. Barkved, 2011, Long-offset time-lapse seismic: Tested on the Valhall LoFS data, Geophysics, | + | |
| - | - Duffaut, K., P. Avseth and M. Landrø, 2011, Stress and fluid sensitivity in two North Sea oil fields – comparing rock physics models with seismic observations, The Leading Edge, 30, 98-102, | + | === 2013 === |
| - | - Wiik, T., Løseth, L.O., Ursin, B. and Hokstad, K., 2011, TIV contrast source inversion of mCSEM data, | + | - Porsani, M.J., Ursin, B., Silva, M.G., and Melo, P.E.M., 2013, Dip-adaptive SVD filtering for seismic reflection enhancement. Geophysical Prospecting, 61, 42-52, |
| - | - Abbad, B, Ursin, B. and Porsani, M. J., 2011, A fast, modified parabolic Radon transform, Geophysics, V11-V24, | + | - Golikov, P, P. Avseth, A. Stovas, and R. Bachrach, 2013, Rock physics interpretation of heterogeneous and anisotropic turbidite reservoirs, Geophysical Prospecting 61, N2, 448-457, |
| - | - Malcolm, A.E., de Hoop, M.V. and Ursin, B., 2011, Recursive imaging with multiply scattered waves using partial image regularization: | + | - Stovas, A., and Alkhalifah, T., 2013, The TTI slowness surface approximation, Geophysical Prospecting 61, N3, 568-573, |
| - | - Rabben, T.E. and Ursin, B., 2011, AVA inversion of the top Utsira Sand reflection at the Sleipner field, Geophysics, 76, C53-C63, | + | - Bhuiyan, M.H., Holt, R.M., Larsen, I., and Stenebråten, J.F., 2013, Static and dynamic behaviour of compacted sand and clay: Comparison between measurements in Triaxial and Oedometric test systems, Geophysical Prospecting 61, 329-340, |
| - | - Landrø, | + | - Tiapkina, O., M. Landrø |
| - | - Holt, R.M., Bhuiyan, M.B., Bakk, A., Stenebråten, | + | - Landrø, M., 2013, Repeatability issues of high-frequency signals emitted |
| - | | + | - Grude, S., M. Landrø and B. Osdal, 2013, Time-lapse pressure-saturation discrimination for CO2 storage at the Snøhvit field, International Journal |
| - | - Zadeh, M. H. and M. Landrø, 2011, Monitoring a shallow subsurface gas flow by time-lapse refraction analysis, Geophysics, | + | - Barker, D. and M. Landrø, 2013, Estimation of bubble time period for air-gun clusters using potential isosurfaces,Geophysics, 78, P1-P7,[[http://dx.doi.org|pdf]] |
| - | - Skopintseva, L., M. Ayzenberg, M. Landrø, T. Nefedkina | + | |
| - | - Stovas, A., 2011, The unphysical qP-wave caustics in acoustic VTI media, Seismic Exploration Techniques, N4, 68-72,[[http://http://ts.sbras.ru/ | + | == 2012 == |
| - Barker, D. and M. Landrø, 2012, Simple expression for the bubble time period of two clustered air guns, Geophysics, 77, A1-A3, | - Barker, D. and M. Landrø, 2012, Simple expression for the bubble time period of two clustered air guns, Geophysics, 77, A1-A3, | ||
| - Barker, D. and M. Landrø, 2012, Controlled source strength variation by changing the firing pressure – a sensitivity study for 4D calibration, | - Barker, D. and M. Landrø, 2012, Controlled source strength variation by changing the firing pressure – a sensitivity study for 4D calibration, | ||
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| - Tygel, M., Ursin, B., Iversen, E., and de Hoop, M.V., 2012. Estimation of geological dip and curvature from zero-offset seismic reflections in heterogeneous anisotropic media, Geophysical Prospecting, | - Tygel, M., Ursin, B., Iversen, E., and de Hoop, M.V., 2012. Estimation of geological dip and curvature from zero-offset seismic reflections in heterogeneous anisotropic media, Geophysical Prospecting, | ||
| - Grude, S., B. Osdal and M. Landrø, 2012, Sea-bed diffractions and their impact on 4D seismic data, Geophysical Prospecting, | - Grude, S., B. Osdal and M. Landrø, 2012, Sea-bed diffractions and their impact on 4D seismic data, Geophysical Prospecting, | ||
| - | | + | === 2011 === |
| - | - Golikov, P, P. Avseth, A. Stovas, and R. Bachrach, 2013, Rock physics interpretation | + | |
| - | - Stovas, A., and Alkhalifah, T., 2013, The TTI slowness surface | + | - Pedersen, Ø., Ursin, B., and Helgesen, H.K., 2010, One-way wave-equation migration of compressional |
| - | - Bhuiyan, M.H., Holt, R.M., Larsen, I., and Stenebråten, J.F., 2013, Static | + | - Stovas, A., 2010, Generalized moveout approximation for qP- and qSV-waves in a homogeneous transversely isotropic medium, Geophysics, 75, D79-D84, |
| - | - Tiapkina, O., M. Landrø | + | - Stovas, A., 2010, Unconstrained Dix-type inversion in a layered VTI medium, Journal of Geophysics and Engineering, |
| - | - Landrø, M., 2013, Repeatability issues of high-frequency signals emitted by air-gun arrays, Geophysics, | + | - Mehdi Zadeh, H., M. Landrø and O.I. Barkved, 2011, Long-offset time-lapse seismic: Tested on the Valhall LoFS data, Geophysics, 76, O1-O13, |
| - | - Grude, S., M. Landrø and B. Osdal, 2013, Time-lapse pressure-saturation discrimination | + | - Duffaut, K., P. Avseth and M. Landrø, 2011, Stress and fluid sensitivity in two North Sea oil fields – comparing rock physics models with seismic observations, |
| - | - Barker, D. and M. Landrø, | + | - Wiik, T., Løseth, L.O., Ursin, B. and Hokstad, K., 2011, TIV contrast source inversion of mCSEM data, |
| + | - Abbad, B, Ursin, B. and Porsani, M. J., 2011, A fast, modified parabolic Radon transform, Geophysics, V11-V24, | ||
| + | - Malcolm, A.E., de Hoop, M.V. and Ursin, B., 2011, Recursive imaging with multiply scattered waves using partial image regularization: | ||
| + | - Rabben, T.E. and Ursin, B., 2011, AVA inversion of the top Utsira Sand reflection | ||
| + | - Landrø, M., Amundsen, L. and Barker, D., 2011, High frequency signals from air gun arrays, Geophysics, 76, 1-9, | ||
| + | - Holt, R.M., Bhuiyan, M.B., Bakk, A., Stenebråten, | ||
| + | - Roganov, Yu. and Stovas, A., 2011, Caustics in a periodically layered transversely isotropic medium with vertical symmetry axis, Geophysical Prospecting, | ||
| + | - Zadeh, M. H. and M. Landrø, 2011, Monitoring a shallow subsurface gas flow by time-lapse refraction analysis, Geophysics, 76, O35-O43, | ||
| + | - Skopintseva, L., M. Ayzenberg, M. Landrø, T. Nefedkina and A. M. Aizenberg, 2011, Long-offset AVO inversion of PP reflections from plane interfaces using effective reflection coefficients, | ||
| + | - Stovas, | ||
| + | |||
| + | === 2010 === | ||
| + | - Tyapkin, Y., Ursin, B., Perroud, H., Silinska, O. and Tiapkina, O., 2010, Zero- and first-order approximations for least-squares estimation | ||
| + | - Pedersen, Ø., Brandsberg-Dahl, | ||
| + | - Alassi, H.T.I., Holt, R.M., and Landrø, M., 2010, Relating 4D seismics to reservoir geomechanical changes using a discrete element approach, Geophysical Prospecting, | ||
| + | - Skopintseva, | ||
| + | - Fomel, S., and Stovas, A., The generalized non-hyperbolic moveout | ||
| + | | ||
| + | - Mehdi Zadeh, H., Srivastava, R.P., Vedanti, N. and Landrø, M., 2010, Seismic monitoring of in situ combustion process in a heavy oil field, Journal of Geophysics | ||
| + | - Porsani, M.J., Silva, M.G., Melo, P.E.M., and Ursin, B., 2010, SVD filtering applied to ground-roll attenuation, | ||
| + | - Nag, S., Alerini, M., and Ursin, B., 2010, PP/PS anisotropic stereotomography, Geophysical | ||
| + | - Wang, S., de Hoop, M.V., and Ursin, B., 2010, Illumination analysis of wave-equation imaging | ||
| + | | ||
| + | - Misaghi, A., Hegabhan, S., Landrø, M. and Javaherian, A., 2010, A comparison | ||
| + | - Tempone, P., Fjær, E. and Landrø, M., 2010, Improved solution of displacements due to a compacting reservoir over a rigid basement. Applied Mathematical Modelling, 34, 3352-3362, | ||
| + | - Evensen, A.K. and Landrø, M., 2010, Time-lapse tomographic inversion using a Gaussian parametrization of the velocity changes. Geophysics, 75, U29-U38, | ||
| + | - Roganov, Yu. and Stovas, A., 2010, On shear wave triplications in a multilayered transversely isotropic medium, | ||
| + | - Golikov, P., and Stovas, A., 2010, New weak-contrast approximation for reflection coefficients in VTI media, Journal of Geophysics and Engineering, | ||
| + | - Duffaut, K., Landrø, M. and Sollie, R., 2010, Using Mindlin theory to model friction-dependent shear modulus in granular media, Geophysics, | ||
| + | - Amundsen, L., Westerdahl, H., Thompson, M., Haugen, J.A., Reitan, A., Landrø, M., and Ursin, | ||
| + | |||
| + | === 2009 === | ||
| + | | ||
| + | - M. Alerini and B. Ursin, 2009, Adaptive focusing window | ||
| + | - A.E. Malcolm, B. Ursin, M. V. de Hoop, 2008, Seismic imaging and illumination with internal multiples, Geophysical Journal International, | ||
| + | | ||
| + | - Dadashpour M., Echeverria-Ciaurri | ||
| + | - Vivas, F.A., Pestana, R.C., and Ursin, B., 2009, A new stabilized least-squares imaging condition, Journal of Geophysics and Engineering, | ||
| + | - Ayzenberg, M., Tsvankin, I., Aizenberg, A., and Ursin, B., 2009, Effective reflection coefficients for curved interfaces in transversely istotropic media. Geophysics, | ||
| + | |||
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