Recursive stack to zero-offset along local slope
14th International Congress of the Brazilian Geophysical Society, Rio de Janeiro, August 3-6. Expanded abstracts
da Silva, M. G., Porsani, M. J. and Ursin, B.

Time-frequency decomposition and Q-estimation using complex filters
77th EAGE Conference, Madrid, June 1-4, Expanded Abstracts
Andrade, M. C. B., Porsani, M. J., Ursin, B. and Medeiros, W. E.



2014

Interface Fresnel zone for reflected waves from a curved interface in dip-constrained transversely anisotropic media
16th International workshop on seismic anisotropy, Natal, Brazil, Extended abstracts
Ursin, B., Favretto-Cristini, N., and Cristini, P.

Interface Fresnel Zone for reflected waves from a curved interface in anisotroic media
76th EAGE Conference, Amsterdam, Extended abstracts
Favretto-Cristini, N., Ursin, B., and Cristini, P.

Signal and traveltime parameter estimation using singular value decomposition
76th EAGE Conference, Amsterdam, Extended abstracts
Ursin, B., Silva, M.G., and Porsani, M.J.

Simulations numérique versus Benchmarks expérimentaux de la propagation des ondes en environment topographique complexe:
Resultats d'une method d'éléments finis Spectraux et de la méthode de l'intégrale de Kirchhoff discrétisée
Le congrès Français d'Acoustique, Poitier, France, April 22-25. Expanded abstract
Favretto-Cristini, N., Cristini, P., Tantsereva, A., Ursin, B., Komatitsch, D., and Aizenberg, A.M.

Résolution sismique latérale le long d'une interface courbe entre deux milieux anisotropes: Cas de ondes réflechies
Le Congrès Français d'Acoustique, Poitier, France, April 22-25. Expanded abstracts
Favretto-Cristini, N., Ursin, B., and Cristini, P.



2013

Interface Fresnel zone for reflected waves from a curved reflector in anisotropic media
Assemblée Générale du GDR Ondes, Dijon, France, October 28-30. Poster
Ursin, B., Favretto-Cristini, N., and Cristini, P.

The BENCHIE project. Numerical modeling of zero-offset laboratory data in a strong topographic environment:
Results for a spectral-element method and a discretized Kirchhoff integral method
Assemblée Générale du GDR Ondes, Dijon, France, October 28-30. Poster
Cristini, P., Tantsereva, A., Favretto-Cristini, N., Ursin, B., Komatitsch, D., and Aizenberg, A.

Generalized semblance coefficients using singular value decomposition
13th International Congress of the Brazilian Geophysical Society, Rio de Janeiro, Expanded abstracts
Ursin, B., da Silva, M.G., and Porsani, M.J.

Numerical modelling of zero-offset acoustic data by the tip-wave superposition method
75th EAGE conference, London, Extended abstracts
Tantsereva, A., Ursin, B., Favretto-Cristini, N., Cristini, P., Komatitsch, D., and Aizenberg, A.M.

Numerical modeling of zero-offset acoustic data by the tip-wave superposition method and the spectral-element method
International Conference on 3-D Wave Propagation and Imaging through the Earth's Interior, Wuhan, China, Abstract
Ursin, B., Tantsereva, A., Favretto-Cristini, N., Cristini, P., Komatisch, D., and Aizenberg, A.M.

Nonlinear waveform inversion as a sequence of linear inverse problems
Workshop on Full Waveform Inversion, Muscat, Oman, Abstract
Jakobsen, M., and Ursin, B.



2012

Reflectivity estimation using minimum-delay seismic trace decomposition
V Simposio Brasileiro de Geofisica, Salvador, Expanded abstracts
Porsani, M., Silva, M., and Ursin, B.

Representação tempo versus frequencia do traço seismico utilizando os metodos de Wigner-Ville e a decomposição de fase minima
V Simposio Brasileiro de Geofisica, Salvador, Expanded abstracts
Andrade, M.C.B., Porsani, M.J., Medeiros, W.E., and Ursin, B.

Nonlinear seismic waveform inversion using a Born iterative T-matrix method
82nd SEG Meeting, Las Vegas, Expanded abstracts. (Also presented at the KSEG International Symposium, Jeju, Republic of Korea)
Jakobsen, M., and Ursin, B.

Comparison of numerical seismic modelling results with acoustic water-tank data
74th EAGE conference, Copenhagen, Extended abstracts, P357
Tantsereva, A., Ursin, B., Favretto-Cristini, N., Cristini, P., Komatitsch, D., and Ayzenberg, A.

Estimation of seafloor electromagnetic receiver orientation
74th EAGE conference, Copenhagen, Extended abstracts, P203
Mütschard, L., Hokstad, K., and Ursin, B.

Laboratory benchmark vs. synthetic modeling of seismic wave propagation in complex environments (BENCHIE project)
Acoustics 2012, Nantes
Favretto-Cristini, N., Cristini, P., Ursin, B., Tantsereva, A., and Aizenberg, A.



2011

High-resolution bootstrapped differential semblance
Workshop on Geophysical Imaging with Localized Waves, Sanya, China, Abstract
Ursin, B., Pedersen, Ø., and Arntsen, B.

High-resolution bootstrapped differential semblance
81st SEG Meeting, San Antonio, Expanded abstracts, 2603-2607
Abbad, B., and Ursin, B.

Separate P- and SV-equations for VTI media
11th Int. Congress of the Brazilian Geophysical Society, Rio de Janeiro, Expanded abstracts.
Also in 81st SEG Meeting, San Antonio, Expanded abstracts, 163-167
Pestana, R.C., Ursin, B., and Stoffa, P.L.

T-matrix approach to the nonlinear waveform inverse problem in 4D seismics
73rd EAGE conference, Vienna. Extended abstracts, P021
Jakobsen, M., and Ursin, B.



2010

TIV Contrast Source Inversion of mCSEM data
EGM 2010 International Workshop, Capri, Expanded abstracts.
Wiik, T., Løseth, L.O., Ursin, B., and Hokstad, K.
PDF

Imaging with Doubly-scattered Waves - A North Sea Case Study
72st EAGE Conference, Barcelona, Extended abstracts, P374.
Malcolm, A.E., Ursin, B., and de Hoop M.V.
PDF

An adaptive local-slope SVD filtering approach to enhance events on seismic sections
80th SEG Meeting, Denver, Expanded abstracts, 3717-3722.
Porsani, M.J., Silva, M.G., Melo, P.E.M., and Ursin, B.
PDF

Multicomponent OBS and VC acquisition for wavefield reconstruction
80th SEG Meeting, Denver, Expanded abstracts, 1661-1665.
Amundsen, L., Westerdahl, H., Thompson, M., Haugen, J.A., Reitan, A., Landrø, M., and Ursin, B.
PDF



2009

2.5D frequency domain EM modeling in conductive TIV media
71st EAGE Conference, Amsterdam, Extended abstracts, P076.
Wiik, T., Ursin, B., and Hokstad, K.
PDF

Our experience of 3D synthetic seismic modeling with tip-wave superposition method and effective coefficients
71st EAGE Conference, Amsterdam, Extended abstracts, P137.
Ayzenberg, M., Aizenberg, A., Helle, H.B., Klem-Musatov, K.D., Pajchel, J., and Ursin, B.
PDF

Wave-equation depth migration in elastic media - new results
71st EAGE Conference, Amsterdam, Extended abstracts, U001.
Amundsen, L., Arntsen, B., A., and Ursin, B.
PDF

Imaging with multiply scattered waves
Waves 2009, Pau. Proceedings, 420-421.
Malcolm, A., Ursin, B., and de Hoop, M.V.
PDF

Multiple attenuation with a modified parabolic Radon transform
11th International Congress of the Brazilian Geophysical Society, Salvador.
Ursin, B., Abbad, B., and Porsani, M.J.
PDF

SS-traveltime parameters from PP- and PS-reflections
11th International Congress of the Brazilian Geophysical Society, Salvador.
Ursin, B., Tygel, M., and Iversen, E.
PDF

Filtragem do groundroll utilizando SVD
11th International Congress of the Brazilian Geophysical Society, Salvador.
Porsani, M.J., Silva, M.G., and Ursin, B.
PDF

Seismic attenuation and dispersion models - theory and VSP data analysis
EAGE-SEG Research workshop, Barcelona, Extended abstracts.
Ursin, B., Stovas, A., and Toverud, T.
DOC

Zero- and first-order approximations for least-squares estimation of seismic signal contaminated by coherent and random noise of complex structure
79th SEG Meeting, Houston, Extended abstracts, 3274-3278.
Tyapkin, Y., Ursin, B., Silinska, O., and Tiapkina, O.
PDF

Illumination analysis of wave-equation imaging with "curvelets"
79th SEG Meeting, Houston, Extended abstracts, 2362-2367.
Wang, S., de Hoop, M.V., and Ursin, B.
PDF

Ground-roll attenuation based on SVD filtering
79th SEG Meeting, Houston, Extended abstracts, 3381-3385.
Porsani, M.J., Silva, M.G., Melo, P.E.M., and Ursin, B.
PDF



2008

Subsalt imaging with internal multiples
78th SEG Meeting, Las Vegas, Extended abstracts, 2461-2465.
Malcolm, A.E., Ursin, B., and de Hoop, M.V.
PDF

Wave-equation depth migration - a new method of solution
78th SEG Meeting, Las Vegas, Extended abstracts, 2252-2256.
Amundsen, L.,Arntsen, B., Reitan, A., Dischler, E.Ø., and Ursin, B.
PDF

Automatic nonhyperbolic velocity analysis
78th SEG Meeting, Las Vegas, Extended abstracts, 3058-3062.
Ursin, B., Abbad, B., and Rappin, D.
PDF

Adaptive limitation of the migration operator aperture
70th EAGE Conference, Rome, Extended abstracts, F032.
Alerini, M., and Ursin, B.
PDF

3D modelling of acoustic Green's function in layered media with diffracting edges
70th EAGE Conference, Rome, Extended abstracts, P052.
Ayzenberg, M., Aizenberg, A., Helle, H.B., Klem-Musatov, K., Pajchel, J., and Ursin, B.
PDF

Effective reflection coefficients for curved interfaces in TI media.
70th EAGE Conference, Rome, Extended abstracts, P346.
Ayzenberg, M., Tsvankin, I., Aizenberg, A., and Ursin, B.
PDF



2007

Nonlinear Bayesian joint inversion of seismic reflection coefficients
EAGE petroleum Geostatistics, Cascais.
Rabben, T.E., Tjelmeland, H., and Ursin, B.
PDF

Nonlinear least squares inversion of reflection coefficients using Bayesian regularization
77th SEG meeting, San Antonio, Expanded abstracts.
Rabben, T.E., and Ursin, B.

Zero-offset seismic amplitude decomposition and migration
11th Int. Congr. of the Brazilian Geophysical Society, Rio de Janeiro
Ursin, B., and Tygel, M.
PDF

Automatic nonhyperbolic velocity analysis in VTI media
11th Int. Congr. of the Brazilian Geophysical Society, Rio de Janeiro
Abbad, B., Ursin, B., and Rappin, D.
PDF

Multiples: From artifact prediction to image reconstruction via illumination
Poster, AGU meeting San Fransisco
Malcolm, A., Ursin, B., and de Hoop, M.

Seismic-velocity/electrical-conductivity relations
EGM 2007 International Workshop, Capri, Expanded abstracts
Ursin, B. and Carcione, J.M.
PDF

Decomposition of marine electromagnetic fields into TE and TM modes for enhanced interpretation
EGM 2007 International Workshop, Capri, Expanded abstracts
Nordskag, J.I., Amundsen, L., and Ursin, B.
PDF

On the effects of anisotropy in marine CSEM
69th EAGE Conference & Exhibition, London, Extended abstracts, 2007, D034
Løseth, L.O., Ursin, B., and Amundsen, L.
PDF

Least-squares signal estimation with complicated models of seismic data
69th EAGE Conference & Exhibition, London, Extended abstracts, 2007, P026
Tyapkin, Y., Ursin, B., Roganov, Y., Nekrasov, I., and Shumlyanskaya, G.
PDF

Seismic imaging using lateral adaptive windows
69th EAGE Conference & Exhibition, London, Extended abstracts, 2007, P176
Pedersen, Ø., Brandsberg-Dahl, S., and Ursin, B.
PDF

Limited-aperture migration by stereotomography output
69th EAGE Conference & Exhibition, London, Extended abstracts, 2007, P281
Alerini, M., Riede, M., and Ursin, B.
PDF

3-D acoustic Green's function modeling in multilayered overburden
69th EAGE Conference & Exhibition, London, Extended abstracts, 2007, P293
Ayzenberg, M., Aizenberg, A., Helle, M., Klem-Musatov, K., Pajchel, J., and Ursin, B.
PDF

The geometrical spreading in VTI medium revisited
69th EAGE Conference & Exhibition, London, Extended abstracts, 2007, P274
Stovas, A.M. and Ursin, B.
PDF

Rock physics depth trend analysis based on stacking velocity
69th EAGE Conference & Exhibition, London, Extended abstracts, 2007, F032
Hoang, P., Avseth, P.A., Ursin, B., and van Wijngaarden, A.J.
PDF

Nonlinear Bayesian joint inversion of seismic reflection coefficients
EAGE Petroleum Geostatistics, Cascais, 2007
Rabben, T.E., Tjelmeland, H., and Ursin, B.
PDF

Nonlinear least squares inversion of reflection coefficients using Bayesian regularization
77th SEG Meeting, San Antonio, Expanded abstracts, 2007
Rabben, T.E. and Ursin, B.
PDF



2006

2D stereotomography for anisotropic media
76th SEG Meeting, New Orleans, Expanded abstracts, 2006
Nag, S., Alerini, M., Duveneck, E., and Ursin, B.
PDF

Optimum seismic signal estimation with complicated models of coherent and random noise
76th SEG Meeting, New Orleans, Expanded abstracts, 2006
Tyapkin, Y., Ursin, B., Roganov, Y., and Nekrasov, I.
PDF

3D Seismic Diffraction Modeling in Multilayered Media in Terms of Surface Integrals
EAGE 68th Conference & Exhibition, Vienna, Expanded abstracts, 2006, P032
Aizenberg, A.M., Ayzenberg, M., Helle, H.B., Klem-Musatov, K.D., Pajchel, J., and Ursin, B.
PDF

Wide-Angle Phase-Slowness Approximations in VTI Media
EAGE 68th Conference & Exhibition, Vienna, Expanded abstracts, 2006, P186
Pedersen, O., Ursin, B., and Stovas, A.
PDF



2005

The reflection and transmission responses of a periodic layered medium
75th SEG Meeting, Houston, Expanded abstracts, 2005
Ursin, B. and Stovas, A.
PDF

Generalized Dix equations for a layered transversely isotropic medium
EAGE 67th Conference & Exhibition, Madrid, Expanded abstracts, 2005, P097
Ursin, B. and Stovas, A.
PDF



2004

Depth-consistent P- and S-wave reflection tomography using PP and PS seismic data
74th SEG Meeting, Denver, Expanded abstracts, 2004
Foss, S.-K., Ursin, B. and de Hoop, M. V.
PDF

Traveltime approximations for a layered transversely isotropic medium
74th SEG Meeting, Denver, Expanded abstracts, 2004
Ursin, B. and Stovas, A.
PDF

New traveltime approximations for a transversely isotropic medium
EAGE 66th Conference & Exhibition, Paris, Expanded abstracts , 2004, P314
Stovas A. and Ursin, B.
PDF

Depth consistent PP and PS seismic angle tomography
EAGE 66th Conference & Exhibition, Paris, Expanded abstracts , 2004, E015
Foss S.-K., Ursin B., de Hoop M. V. and Sollid A.
PDF



2003

A practical approach to automated PP angle tomography.
EAGE/SEG Summer Research Workshop, 2003 Trieste.
Foss, S.-K., Ursin, B., and Sollid, A

New traveltime approximation for a layered transversely isotropic medium.
EAGE/SEG Summer Research Workshop, 2003 Trieste.
Stovas, A., and Ursin, B.



2002

Geometrical spreading in a layered transversely isotropic medium with vertical symmetry axis
72nd SEG Meeting, Salt Lake City, Expanded abstracts , 2002, pp. 189-192
Ursin, B. and Hokstad, K.
PDF

Seismic angle migration.
Cairo 2002 International Petroleum Conference and Exhibition, Extended abstract, 2002, 5 pages.
Ursin, B., de Hoop, M.V., Brandsberg-Dahl, S., Sollid, A., and Clarke, R.A.

Lithofacies identification in the North Sea - a neural network approach.
7th Nordic Symposium on Petrophysics, Abstract volume, 2002, 21-23.
Bhatt, A., Helle, H.B., and Ursin, B.

Determination of facies from well logs using modular neural networks.
64th EAGE Conference, Florence, Extended abstracts, 2002, P091.
Bhatt, A., Helle, H.B., and Ursin, B.

Second-order approximations of the transmission and reflection matrices at an interface between two visco-elastic TIV media.
64th EAGE Conference, Florence, Extended abstracts, 2002, C-26.
Stovas, A., and Ursin, B.

Fluid saturation from well logs using modular neural networks.
64th EAGE Conference, Florence, Extended abstracts, 2002, B-45.
Helle, H.B., Bhatt, A., and Ursin, B.

Angle tomography.
64th EAGE Conference, Florence, Extended abstracts, 2002, B-22.
Brandsberg-Dahl, S., Ursin, B., and de Hoop, M.V.

Seismic angle migration.
NPF Seminar, Kristiansand, Extended abstracts, 2002, 95-97.
Ursin, B., de Hoop, M.V., Brandsberg-Dahl, S., Sollid, A., and Clarke, R.A.



2001

Velocity analysis in the scattering-angle/azimuth domain.
7th International Congress of the Brazilian Geophysical Society, Salvador, Expanded abstracts, 2001
Brandsberg-Dahl, S., Ursin, B. and de Hoop, M.V.

A new approximation of the reflection and transmission coefficients between two visco-elastic isotropic media.
63rd EAGE Conference, Amsterdam, Extended abstracts, 2001, P-192.
Stovas, A., and Ursin, B.

Imaging-inversion with focusing in dip.
63rd EAGE Conference, Amsterdam, Extended abstracts, 2001, P-79.
Brandsberg-Dahl, S., de Hoop, M.V. and Ursin, B.

Application of parallel neural networks for reservoir characterisation while drilling.
63rd EAGE Conference, Amsterdam, Extended abstracts, 2001, L-18.
Bhatt, A., Helle, H.B., and Ursin, B.

AVA analysis and compensation on common image gathers in the angle domain.
63rd EAGE Conference, Amsterdam, Extended abstracts, 2001, A-30.
Brandsberg-Dahl, S., de Hoop, M.V., and Ursin, B.



2000

Deconvolution and wavelet estimation by using a genetic algorithm
70th SEG Meeting, Calgary, Expanded abstracts , 2000, pp. 2185-2188
Porsani, M. and Ursin, B.
PDF

Prediction of reservoir and fluid properties from well logs using artificial neural networks: A North See case study.
Norwegian Petroleum Research Seminar, Bergen, Proceedings, 2000, 1-4.
Bhatt, A., Helle, H.B., and Ursin, B.

Focusing in dip and AVA compensation on scattering-angle/azimuth common image gathers.
Norwegian Petroleum Research Seminar, Bergen, Proceedings, 2000, 29-32.
Brandsberg-Dahl, S., de Hoop, M.V., and Ursin, B.

Poro-viscoelastic representation of shaly sandstones.
Norwegian Petroleum Research Seminar, Bergen, Proceedings, 2000, 67-70.
Pham, N.H., Carcione, J.M., Helle, H.B., and Ursin, B.

Improved shallow gas interpretation combining seismic and gravity data.
Norwegian Petroleum Research Seminar, Bergen, Proceedings, 2000, 75-78.
Bauer, C., Ursin, B., Zhao, H., and Fichler, C.

Estimation of viscoelastic parameters from zero-offset VSP data.
Norwegian Petroleum Research Seminar, Bergen, Proceedings, 2000, 79-82.
Toverud, T., and Ursin, B.

2.5-D scattering-angle migration and AVA analysis.
Norwegian Petroleum Research Seminar, Bergen, Proceedings, 2000, 91-94.
Sollid., A., and Ursin, B.

Green's functions in heterogeneous anisotropic elastic media.
Proc. Fifth Int. Conf. on Mathematical and Numerical Aspects of Wave Propagation,
Santiago de Compostella, 2000, 949-953.
Brandsberg-Dahl, S., Hokstad, K., de Hoop, M.V., and Ursin, B.

Reflection and transmission coefficients between two visco-elastic TIV media.
62st EAGE Conference, Glasgow, Extended abstracts, 2000, P-148.
Stovas, A., and Ursin, B.

The Kirchhoff-Helmholtz integral for anisotropic elastic media.
62st EAGE Conference, Glasgow, Extended abstracts, 2000, C-11.
Schleicher, J., Tygel, M., Ursin, B., and Bleistein, N.



1999

Approximate reflection and transmission responses from a layered isotropic elastic medium.
61st EAGE Conference, Helsinki, Extended abstracts, 1999, 4-13.
Ursin, B., and Stovas, A.

The sensitivity transform in the common scattering-angle/azimuth domain.
61st EAGE Conference, Helsinki, Extended abstracts, 1999, 4-53.
Brandsberg-Dahl, S., de Hoop, M.V., and Ursin, B.

Estimation of viscoelastic parameters from zero-offset VSP data.
61st EAGE Conference, Helsinki, Extended abstracts, 1999, 4-29.
Also in: The 6th International Congress of the Brazilian Geophysical Society, Rio de Janeiro, SBGf 119.
Toverud, T., and Ursin, B.



1998

An optimality formulation for the design of mixed-phase inverse filters
68th SEG Meeting, New Orleans, Expanded abstracts , 1998, pp. 1696-1699
Porsani, M. and Ursin, B.
PDF

Comparison of different seismic attenuation laws.
2nd International conference and Technical Exhibition, Krakow, Expanded abstracts, 1998 PS-02.
Toverud, T., and Ursin, B.

Analysis of errors in constant velocity viscoacoustic migration.
60th EAGE Conference, Leipzig, Extended abstracts, 1998, P-33.
Causse, E., and Ursin, B.



1997

Stochastic simulation of porosity and acoustic impedance conditioned to seismic data and well data
67th SEG Meeting, Dallas, Expanded abstracts , 1997, pp. 1614-1617
Eide, A. L.; Ursin, B. and Omre, H.
PDF

Stochastic reservoir characterization conditioned on seismic data.
In Baati and Schofield, eds., 1997, Geostatistics, Wollongong '96. Kluwer Ac. Publ., I, 1997, 442-453.
Eide, A.L., Omre, H., and Ursin, B.

Reciprocal volume and surface integrals for anisotropic elastic media.
5th Int. Congress of the Brazilian Geophysical Society, São Paulo, Expanded abstracts, 1997, 267-268.
Ursin, B., and Tygel, M.

A unified Born-Kirchhoff representation for acoustic media.
5th Int. Congress of the Brazilian Geophysical Society, São Paulo, Expanded abstracts, 1997, 133-134.
Novais, A., Santos, L.T., Tygel, M., and Ursin, B

Analytic insight into PP and PS azimuthal AVO response for a vertically fractured reservoir.
59th EAGE Conference, Geneva, Extended abstracts, 1997, B055.
Haugen, G.U., and Ursin, B.

AVO analysis of the Kimmeridge clay formation.
59th EAGE Conference, Geneva, Extended abstracts, 1997, P014.
Helle, H.B., Zhao, T., Ursin, B., and Carcione

Preconditioned full-waveform inversion in general viscoacoustic media.
59th EAGE Conference, Geneva, Extended abstracts, 1997, P117.
Causse, E., Mittet, R., and Ursin, B.



1996

Estimation of the sea bottom reflectivity function from multioffset seismic data
66th SEG Meeting, Denver, Expanded abstracts , 1996, pp. 1967-1970
Lu, G.; Ursin, B. and Lutro, J.
PDF

AVO-A analysis of a vertically fractured reservoir underlying shale
66th SEG Meeting, Denver, Expanded abstracts , 1996, pp. 1826-1829
Haugen, G. U. and Ursin, B.
PDF

Mixed-phase deconvolution of seismic and ground-penetrating radar data
66th SEG Meeting, Denver, Expanded abstracts , 1996, pp. 1603-1606
Porsani, M. J. and Ursin, B.
PDF

Deconvolução de fase mista de dados GPR.
XXXIX Congresso Brasileiro de Geologia, Salvador, Bahia, Expanded abstracts, 1996, 397-399.
Porsani, M.J., and Ursin, B.

Analysis of the seismic response from thin calcite cemented layers.
58th EAGE Meeting, Amsterdam, Extended abstracts, 1996, C 051.
Bakke, N.E., Ertresvåg, E.T., and Ursin, B.

Azimuthal AVO analysis of a vertically fractured reservoir.
EAGE Winter Symposium, Venice, Extended abstracts, 1996.
Ursin, B., and Haugen, G.U.



1995

Frequency-wavenumber constant-offset migration and AVO analysis
65th SEG Meeting, Houston, Expanded abstracts , 1995, pp. 1377-1380
Ekren, B. O. and Ursin, B.
PDF

Mixed-phase deconvolution
65th SEG Meeting, Houston, Expanded abstracts , 1995, pp. 1346-1349
Porsani, M. J. and Ursin, B.
PDF

Seismic-wave reflectivity/transmissivity for randomly-layered nonstationary sediments
65th SEG Meeting, Houston, Expanded abstracts , 1995, pp. 1305-1308
Shapiro, S. A.; Hubral, P.; Ursin, B.
PDF

Decomposition of a mixed-phase causal signal.
The 1st Conference of the Latin American Geophysical Union, Rio de Janeiro, Expanded abstracts, 1995a
Porsani, M.J., and Ursin, B.

Modeling and inversion of the elasto-dynamic equations.
In Diachok, O., Caiti, A., Gerstoft, P., and Schmidt, H., eds., 1995,
Full field inversion methods in ocean and seismo-acoustics, Kluwer Ac. Publ, Dordrecht, , 1995, 389-394.
Ursin, B., and Zhao, H.

Improved traveltime tomography applied to two-phase flow ultrasonic imaging.
Proceedings 3rd SEGJ/SEG Int. Symp. Geotomography, 1995, 303-310.
Lu, G.C., and Ursin, B.

Thin-bed AVO effects.
57th EAGE Meeting, Glasgow, Extended Abstracts, 1995, D 010.
Bakke, N.E., and Ursin, B.

Approximate reflectivity and transmittivity for vertically inhomogeneous media.
57th EAGE Meeting, Glasgow, Extended Abstracts, 1995, P 155.
Shapiro, S.A., Hubral, P., and Ursin, B.



1994

Linearized elastic parameter sections.
56th EAEG Meeting, Vienna, Extended abstracts, 1994, P 135.
Ursin, B., Ekren, B.O., and Tjåland, E.

Elastic inversion of a shallow seismic anomaly in the southern Barents Sea.
56th EAEG Meeting, Vienna, Extended abstracts, 1994, P 144.
Ursin, B., and Zhao, H.



1993

Seismic lithology sections.
3o Congresso Internacional de Sociedade Brasileira de Geofisica, Rio de Janeiro,
Expanded abstracts, 1993, 73-78.
Ursin, B., Ekren, B.O., and Tjåland, E.

Deconvolucão diretional do domínio tau-p.
3o Congresso Internacional de Sociedade Brasileira de Geofisica, Rio de Janeiro,
Expanded abstracts, 1993, 216-219.
Gasparotti, H.L., and Ursin, B.

Remocão dos efeitos da superfície livre de dados acústicos: Parte I: Dados sinteticos.
3o Congresso Internacional de Sociedade Brasileira de Geofisica, Rio de Janeiro,
Expanded abstracts, 1993, 61-64.
Andrade, D.E., and Ursin, B.

Migracão de ondas planas em meios lateralmente heterogéneos.
3o Congresso Internacional de Sociedade Brasileira de Geofisica, Rio de Janeiro,
Expanded abstracts, 1993, 256-259.
Chaves, R.D., Ursin, B., and Pestana, R.O.C.

Migracão "Pre-stack" para ondas elastícas combinando técnicas de inversãeo, modelamento WKB e análises de foco.
3o Congresso Internacional de Sociedade Brasileira de Geofisica, Rio de Janeiro,
Expanded abstracts, 1993, 276-281.
de Magalhâes, C.G., and Ursin, B.

A strategy for approximating the Zoeppritz equations.
55th EAEG Meeting, Stavanger, Extended abstracts, 1993, P027.
Ursin, B., and Tjåland, E.

Quantification of uncertainties in AVO analysis.
55th EAEG Meeting, Stavanger, Extended abstracts, 1993, B045.
Ursin, B., and Tjåland, E.

Seismic lithology sections.
Presented at EAEG Workshop: Lithology predictions from seismic data, Stavanger, 1993.
Ursin, B., Ekren, B.O., and Tjåland, E.

Tomographic imaging for two-phase flow by ultrasonic modelling system.
In Wei, Y. and Gu, B., eds., 1993, Acoustical imaging, v. 20, Plenum Press, New York, 1993, 683-690.
Lu, G.C., Ursin, B., Lile, O.B., and Sveen, J.



1992

Seismic Reflection Estimation with Colored Noise
62nd SEG Meeting, New Orleans, Expanded abstracts , 1992, pp. 1195-1198
Bjørn Ursin, Joao B. de M. Neto and Milton J. Porsani
PDF

Robust AVO Analysis
62nd SEG Meeting, New Orleans, Expanded abstracts , 1992, pp. 839-843
Bjørn Ursin and Bjørn O. Ekren,
PDF

Frequency-Wavenumber Inversion of Marine Seismic Data
62nd SEG Meeting, New Orleans, Expanded abstracts , 1992, pp. 808-811
Huasheng Zhao and Bjørn Ursin
PDF

Information Content of the Elastic Reflection Matrix
62nd SEG Meeting, New Orleans, Expanded abstracts , 1992, pp. 796-799
Bjørn Ursin and Egil Tjåland
PDF

Seismic amplitude analysis.
In Asakura, N., ed., 1992, Geotomography, v. 2, SEGJ, Tokyo, 1992, 41-56
Ursin, B., and Tjåland, E.

Improved traveltime tomography applied to cross-well seismic data.
54th EAEG Meeting, Paris, Extended abstracts, 1992, 254.
Lu, G., and Ursin, B.



1991

Estimation of Reflection Coefficients from Zero-Offset Field Data
61st SEG Meeting, Houston, Expanded abstracts , 1991, pp. 883-886
B. Arntsen and Bjørn Ursin
PDF

The accuracy of linearized elastic parameter estimation.
2nd International Congress of the Brazilian Geophysical Society, Salvador, Bahia,
Expanded abstracts, 1991, 921-924.
Ursin, B., and Tjåland, E.



1990

Aperture-Limited Frequency-Wavenumber Inversion
60th SEG Meeting, San Francisco, Expanded abstracts , 1990, pp. 1154-1157
Lasse Amundsen and Bjørn Ursin
PDF

Least-Squares Estimation of Reflectivity Polynomials
60th SEG Meeting, San Francisco, Expanded abstracts , 1990, pp. 1069-1071
Bjørn Ursin and Terje Dahl
PDF

Seismic traveltime inversion.
EAEG/SEG Research Workshop, Cambridge, Expanded abstracts, 1990, 152-160.
Ursin, B.

Non-linear AVO inversion for a stack of anelastic layers.
EAEG/SEG Research Workshop, Cambridge, Expanded abstracts, 1990, 180-189.
Dahl, T., and Ursin, B.



1988

Frequency-Wavenumber Inversion of Acoustic Data
58th SEG Meeting, Anaheim, Expanded abstracts , 1988, pp. 845-848
Lasse Amundsen and Bjørn Ursin
PDF



1985

Stable Inversion of Zero-Offset Seismic Data
55th SEG Meeting, Washington D.C., Expanded abstracts , 1985, pp. 329-331
Børge Arntsen and Bjørn Ursin
PDF



1981

Elastic and electromagnetic wave propagation in horizontally layered media.
Abstract in E.S. Husebye and S. Mykkeltveit, 1981, Identification of seismic sources -
Earthquake or underground explosion. D. Reidel Publishing Corporation, Dordrecht , 1981, pp. 391-393
Ursin, B.

Comparison of wavefront inversion schemes for horizontally stratified media.
Abstract in E.S. Husebye and S. Mykkeltveit, 1981, Identification of seismic sources -
Earthquake or underground explosion. D. Reidel Publishing Corporation, Dordrecht , 1981, pp. 513-514
Berteussen, K.A., and Ursin, B.


Last modified: September, 2015