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articles [2015/11/09 15:35] (current) vegahag |
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| ==== Articles ==== | ==== Articles ==== | ||
| - | + | === 2015 === | |
| - | - B. Abbad and B. Ursin, 2009, Automatic nonhyperbolic velocity analysis, Geophysics,74, U1-U12, | + | - Grude, S., J. Dvorkin and M. Landrø, 2015, Permeability variation with porosity, pore space geometry, and cement type: A case history from the Snøhvit field, the Barents Sea, Geophysics, 80, D43-D49. [[http:// |
| - | - M. Alerini | + | - Haavik K. E. and M. Landrø, 2015, Variable source depth acquisition for improved marine broadband seismic data, Geophysics, 80, A69-A73. [[http:// |
| - | - A.E. Malcolm, B. Ursin, M. V. de Hoop, 2008, Seismic imaging | + | - Kiær, A.F., O. Eiken and M. Landrø, 2015, Calendar time interpolation of amplitude maps from 4D seismic data, Geophysical Prospecting, |
| - | - M.A. Ayzenberg, A.M. Ayzenberg | + | - Landrø, M., 2015, Aspect ratio histograms of 3D ellipsoids and 2D ellipses – Analytical relations and numerical examples, Geophysics, 80, D429-D440. [[http:// |
| - | - Dadashpour | + | - Liu Y., D. Draganov, K. Wapenaar and B. Arntsen, 2015, Retrieving virtual reflection responses at drill-bit positions using seismic interferometry with drill-bit noise, Geophysical Prospecting, |
| - | - Vivas, F.A., Pestana, R.C., and Ursin, B., 2009, A new stabilized least-squares imaging condition, Journal of Geophysics and Engineering, | + | - Raknes, E.B., B. Arntsen |
| - | - Ayzenberg, M., Tsvankin, I., Aizenberg, A., and Ursin, B., 2009, Effective | + | - Raknes, E.B, W. Weibull |
| + | - Hao, Q., A.Stovas and T.Alkhalifah, | ||
| + | - Hao, Q. and A.Stovas, 2015, The offset-midpoint traveltime pyramid in TTI media, Geophysical Prospecting, | ||
| + | |||
| + | === 2014 === | ||
| + | - Stovas, A., and T.Alkhalifah, | ||
| + | - Roganov, Yu., and A.Stovas, 2014, Low-frequency normal wave propagation in a periodically layered medium with weak-contrast in elastic properties, Geophysical Prospecting (Early view). [[http:// | ||
| + | - 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, | ||
| + | - Roganov, Yu., Stovas, A., and Yu.Roganov, 2014, Analysis of pass and stop bands in a periodically layered medium, Seismic Exploration Techniques, N2, 34-41. | ||
| + | - Pigulevskiy, | ||
| + | - Favretto-Cristini, | ||
| + | - Ursin, | ||
| + | - Ursin, B., Silva, M.G., and Porsani, M.J., 2014, Signal and traveltime parameter estimation using singular value decomposition. | ||
| + | - Raknes, E.B., Weibull, W. and Arntsen, B., 2014, Elastic velocity analysis and time-lapse full-waveform inversion, The Leading Edge, 33, 1000-1006. | ||
| + | - Weibull, W. and Arntsen, B., 2014, Reverse-time demigration using the extended imaging condition, Geophysics, 79, WA97-WA105. [[http:// | ||
| + | - Weibull, W., and B. Arntsen, 2014, Anisotropic migration velocity analysis using reverse-time migration, Geophysics 79, R13-R25. [[http:// | ||
| + | - Raknes, | ||
| + | - Raknes, E. B, W. Weibull and B. Arntsen, 2014, Elastic migration velocity analysis and time-lapse full-waveform inversion, The Leading Edge 33, 1000-1006. [[http:// | ||
| + | - Haavik, K. and M. Landrø, 2014, Iceberg ploughmarks illuminated by shallow gas in the central North Sea, Quaternary Science Reviews, 103, 34-50. [[http:// | ||
| + | - 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:// | ||
| + | - Grude, S., M. Landrø, J.C. White, O. Torsæter, 2014, CO2 saturation | ||
| + | - Bhakta, T. and M. Landrø, 2014, Estimation of pressure-saturation changes for unconsolidated reservoir rocks with high Vp/Vs ratio, Geophysics, 79, M35-M54. [[http:// | ||
| + | - Witsker, S. O. S., M. Landrø and P. Avseth, 2014, Using a pseudo-steady-state flow equation and 4D seismic traveltime shifts for estimation of pressure and saturation changes, Geophysics, 79, M11-M24. [[http:// | ||
| + | |||
| + | === 2013 === | ||
| + | - Porsani, M.J., Ursin, B., Silva, M.G., and Melo, P.E.M., 2013, Dip-adaptive SVD filtering for seismic reflection enhancement. | ||
| + | - Golikov, P, P. Avseth, | ||
| + | - Stovas, A., and Alkhalifah, T., 2013, The TTI slowness surface approximation, | ||
| + | - Bhuiyan, | ||
| + | - Tiapkina, O., M. Landrø and Y. Tiapkin, 2013, Ground-roll subtraction from common-shot gathers | ||
| + | - Landrø, M., 2013, Repeatability issues of high-frequency signals emitted by air-gun arrays, Geophysics, 78, P19-P27, | ||
| + | - Grude, S., M. Landrø and B. Osdal, 2013, Time-lapse pressure-saturation discrimination for CO2 storage at the Snøhvit field, International Journal of Greenhouse Gas Control, 19, 369-378, | ||
| + | - Barker, D. and M. Landrø, 2013, Estimation of bubble time period for air-gun clusters using potential isosurfaces, | ||
| + | |||
| + | == 2012 == | ||
| + | - Barker, | ||
| + | - Barker, D. and M. Landrø, 2012, Controlled source strength variation by changing the firing pressure – a sensitivity study for 4D calibration, | ||
| + | - Tiapkina, O., M. Landrø, Y. Tyapkin and L. Brian, 2012, Single-station SVD-based polarization filtering of ground roll: perfection | ||
| + | - Tempone, P., M. Landrø, E. Fjær, 2012, 4D gravity response of compacting reservoirs: Analytical approach, Geophysics, 77, G45-G54, | ||
| + | - Tygel, M., Ursin, B., Iversen, E. and de Hoop, M.V., 2012, Estimation of geological dip and curvature from zero-offset seismic | ||
| + | - Stovas, A., and Fomel, S., 2012, Generalized moveout approximation in tau-p domain, Geophysics 77, N2, U23-U30, | ||
| + | - Stovas, A., and Fomel, S., 2012, “Shifted hyperbola” moveout approximation revisited, Geophysical Prospecting 60, 395-399, | ||
| + | - Golikov, P. and Stovas, A., 2012, Traveltime parameters in a tilted elliptical anisotropic medium, Geophysical Prospecting 60, 433-443, | ||
| + | - Stovas, A., and Alkhalifah, T., 2012, A new traveltime approximation for TI media, Geophysics 77, N4, C37-C42, | ||
| + | - Golikov, P. and Stovas, A., 2012, Asymptotic analysis of moveout approximations in a VTI medium, Journal of Geophysics and Engineering | ||
| + | - Roganov, Yu. and Stovas, | ||
| + | - Golikov, P. and Stovas, A., 2012, Traveltime parameters in tilted transverse isotropic media, Geophysics 77, N6, C4, | ||
| + | - Alassi, H.T. and Holt, R.M:, 2012, Relating discrete element method parameters to rock properties using classical and micropolar elasticity theories, Int. J. for Numerical and Analytical Methods in Geomechanics, | ||
| + | -Langseth, E. and M. Landrø, 2012, Time-lapse 2D interpretation of gas migration in shallow layers – compared to reservoir simulation, International Journal of Greenhouse Gas Control, 10, 389-396, | ||
| + | -Skopintseva, | ||
| + | - Landrø, M. and P. Hatchell, 2012, Normal modes in seismic data – revisited, Geophysics, 77, W27-W40, | ||
| + | - Bhuyian, A., M. Landrø and S. Johansen, 2012, 3D CSEM modeling and time-lapse sensitivity analysis for subsurface CO2 storage, Geophysics, 77, E343-E355, | ||
| + | - Ursin, B., Pedersen, Ø., and Arntsen, B., 2012, Flux-normalized wave-field decomposition and migration of marine seismic data. Geophysics, 77, no. 3, S83-S92, | ||
| + | - Abbad, B., and Ursin, B., 2012, High-resolution bootstrapped differential semblance, Geophysics, 77, no. 3, U39-U47, [[http:// | ||
| + | - Iversen, E., Tygel, M., Ursin, B., and de Hoop, M.V., 2012, Kinematic time migration and demigration of reflections in prestack seismic data, Geophysical Journal International, | ||
| + | - Pestana, R.C., Ursin, B., and Stoffa, P.L., 2012, Rapid expansion and pseudo spectral implementation for reverse time migration in VTI media. Journal of Geophysics and Engineering, | ||
| + | - 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, | ||
| + | === 2011 === | ||
| + | - Osdal, B. and Landrø, M., 2011, Estimation of changes in water column velocities and thicknesses from time lapse seismic data, Geophysical Prospecting, | ||
| + | - Pedersen, Ø., Ursin, B., and Helgesen, H.K., 2010, One-way wave-equation migration of compressional and converted waves in a VTI medium, Geophysics, 75, S237-S257, | ||
| + | - Stovas, A., 2010, Generalized moveout approximation for qP- and qSV-waves in a homogeneous transversely isotropic medium, Geophysics, 75, D79-D84, | ||
| + | - Stovas, A., 2010, Unconstrained Dix-type inversion in a layered VTI medium, Journal of Geophysics and Engineering, | ||
| + | - 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, | ||
| + | - 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, | ||
| + | - 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 | ||
| + | - Zadeh, M. H. and M. Landrø, 2011, Monitoring a shallow subsurface gas flow by time-lapse refraction analysis, | ||
| + | - Skopintseva, | ||
| + | - Stovas, A., 2011, The unphysical qP-wave caustics in acoustic VTI media, Seismic Exploration Techniques, N4, 68-72, | ||
| + | |||
| + | === 2010 === | ||
| - 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, | - 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, | ||
| - Pedersen, Ø., Brandsberg-Dahl, | - Pedersen, Ø., Brandsberg-Dahl, | ||
| Line 26: | Line 102: | ||
| - Duffaut, K., Landrø, M. and Sollie, R., 2010, Using Mindlin theory to model friction-dependent shear modulus in granular media, Geophysics, 75, E143-E152, | - Duffaut, K., Landrø, M. and Sollie, R., 2010, Using Mindlin theory to model friction-dependent shear modulus in granular media, Geophysics, 75, E143-E152, | ||
| - 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, | - 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, | ||
| - | - Osdal, B. and Landrø, M., 2011, Estimation of changes in water column velocities and thicknesses from time lapse seismic data, Geophysical Prospecting, | + | |
| - | - Pedersen, Ø., Ursin, | + | === 2009 === |
| - | - Stovas, A., 2010, Generalized moveout approximation for qP- and qSV-waves in a homogeneous transversely isotropic medium, Geophysics, 75, D79-D84, | + | - B. Abbad and B. Ursin, 2009, Automatic nonhyperbolic velocity analysis, Geophysics,74, U1-U12, |
| - | - Stovas, A., 2010, Unconstrained Dix-type inversion in a layered VTI medium, Journal of Geophysics and Engineering, | + | - M. Alerini |
| - | - Mehdi Zadeh, H., M. Landrø | + | - A.E. Malcolm, B. Ursin, M. V. de Hoop, 2008, Seismic |
| - | - 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, | + | - M.A. Ayzenberg, A.M. Ayzenberg and B. Ursin, 2009, Tip-wave superposition method with effective reflection |
| - | - Wiik, T., Løseth, L.O., Ursin, B. and Hokstad, K., 2011, TIV contrast source inversion of mCSEM data, | + | - Dadashpour |
| - | - Abbad, B, Ursin, B. and Porsani, M. J., 2011, A fast, modified parabolic Radon transform, Geophysics, V11-V24, | + | - Vivas, F.A., Pestana, R.C., and Ursin, B., 2009, A new stabilized least-squares imaging condition, Journal of Geophysics and Engineering, |
| - | - Malcolm, A.E., de Hoop, M.V. and Ursin, B., 2011, Recursive | + | - Ayzenberg, M., Tsvankin, I., Aizenberg, A., and Ursin, B., 2009, Effective reflection coefficients |
| - | - Rabben, T.E. and Ursin, B., 2011, AVA inversion of the top Utsira Sand reflection at the Sleipner field, Geophysics, 76, C53-C63, | + | |
| - | - 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, | + | |
| - | - Skopintseva, | + | |
| - | - Stovas, A., 2011, The unphysical qP-wave caustics in acoustic VTI media, Seismic Exploration Techniques, N4, 68-72, | + | |
| - | - Barker, D. and M. Landrø, 2012, Simple expression for the bubble time period of two clustered air guns, Geophysics, 77, A1-A3, | + | |
| - | - Barker, | + | |
| - | - Tiapkina, O., M. Landrø, Y. Tyapkin and L. Brian, 2012, Single-station SVD-based polarization filtering of ground roll: perfection | + | |
| - | - Tempone, P., M. Landrø, E. Fjær, 2012, 4D gravity response of compacting reservoirs: Analytical approach, Geophysics, 77, G45-G54, | + | |
| - | - Tygel, M., Ursin, B., Iversen, E. and de Hoop, M.V., 2012, Estimation of geological dip and curvature from zero-offset seismic | + | |
| - | - Stovas, A., and Fomel, S., 2012, Generalized moveout approximation in tau-p domain, Geophysics 77, N2, U23-U30,[[http:// | + | |
| - | - Stovas, A., and Fomel, S., 2012, “Shifted hyperbola” moveout approximation revisited, Geophysical Prospecting 60, 395-399, | + | |
| - | - Golikov, P. and Stovas, | + | |
| - | - Stovas, A., and Alkhalifah, T., 2012, A new traveltime approximation for TI media, Geophysics 77, N4, C37-C42, | + | |
| - | - Golikov, P. and Stovas, A., 2012, Asymptotic analysis of moveout approximations in a VTI medium, Journal of Geophysics and Engineering | + | |
| - | - Roganov, Yu. and Stovas, A., 2012, Low frequency wave propagation in periodically layered media, Geophysical Prospecting 60, 825-837, | + | |
| - | - Golikov, P. and Stovas, A., 2012, Traveltime parameters in tilted transverse isotropic media, Geophysics 77, N6, C4. | + | |
| - | - Alassi, H.T. and Holt, R.M:, 2012, Relating discrete element method parameters to rock properties using classical and micropolar elasticity theories, Int. J. for Numerical and Analytical Methods in Geomechanics, 36, 1350-1367. | + | |
| - | -Langseth, E. and M. Landrø, 2012, Time-lapse 2D interpretation of gas migration in shallow layers – compared to reservoir simulation, International Journal of Greenhouse Gas Control, 10, 389-396. | + | |
| - | -Skopintseva, | + | |
| - | - Landrø, M. and P. Hatchell, 2012, Normal modes in seismic data – revisited, Geophysics, 77, W27-W40. | + | |
| - | - Bhuyian, A., M. Landrø | + | |
| - | - Ursin, B., Pedersen, Ø., and Arntsen, B., 2012, Flux-normalized wave-field decomposition and migration of marine seismic data. Geophysics, 77, no. 3, S83-S92. | + | |
| - | - Abbad, B., and Ursin, B., 2012, High-resolution bootstrapped differential semblance. Geophysics, 77, no. 3, U39-U47. | + | |
| - | - Iversen, E., Tygel, M., Ursin, B., and de Hoop, M.V., 2012, Kinematic time migration and demigration of reflections in prestack seismic data. Geophysical Journal International, | + | |
| - | - Pestana, R.C., Ursin, B., and Stoffa, P.L., 2012, Rapid expansion and pseudo spectral implementation | + | |
| - | - 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. Stud. Geophys. Geod., 56, | + | |
| - | - Grude, S., B. Osdal and M. Landrø, 2012, Sea-bed diffractions and their impact on 4D seismic data, Geophysical Prospecting, | + | |
| - | - Porsani, M.J., Ursin, B., Silva, M.G., and Melo, P.E.M., 2013, Dip-adaptive SVD filtering for seismic reflection enhancement. Geophysical Prospecting, | + | |
| - | - 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. | + | |
| - | - Stovas, A., and Alkhalifah, T., 2013, The TTI slowness surface approximation, | + | |
| - | - Bhuiyan, M.H., Holt, R.M., Larsen, I., and Stenebråten, | + | |
| - | - Tiapkina, O., M. Landrø and Y. Tiapkin, 2013, Ground-roll subtraction from common-shot gathers with significant trace-to-trace variations in the energy of random noise, | + | |
| - | - Landrø, M., 2013, Repeatability issues of high-frequency signals emitted by air-gun arrays, Geophysics, 78, P19-P27. | + | |
| - | - Grude, S., M. Landrø and B. Osdal, 2013, Time-lapse pressure-saturation discrimination for CO2 storage at the Snøhvit field, International Journal of Greenhouse Gas Control, 19, 369-378. | + | |
| - | - Barker, D. and M. Landrø, 2013, Estimation of bubble time period for air-gun clusters using potential isosurfaces, | + | |
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