Quadratic wavefront and traveltime approximations in inhomogeneous layered media with curved interfaces
Bjørn Ursin
Geophysics, 1982, Volume 47, pp. 1012-1021
Abstract   Full Text: [  PDF  ]  

Review of elastic and electromagnetic wave propagation in horizontally layered media
Bjørn Ursin
Geophysics, 1983, Volume 48, pp. 1063-1081
Abstract   Full Text: [  PDF  ]  

Seismic migration using the WKB approximation.
Bjørn Ursin
The Geophys. J. of the Royal Astr. Soc. 1984, Volume 79, pp. 339-352.
Abstract   Full Text:  [  PDF  ]  

Offset-dependent geometrical spreading in a layered medium
Bjørn Ursin
Geophysics, 1990, Volume 55, pp. 492-496
Abstract   Full Text: [  PDF  ]  

Reciprocal volume and surface scattering integrals for anisotropic elastic media
Bjørn Ursin and Martin Tygel
Wave motion, 1997, Volume 26, pp. 31-42
Abstract   Full Text: [  PDF  ]  

Focusing in dip and AVA compensation on scattering-angle/azimuth common image gathers
Sverre Brandsberg-Dahl, Maarten V. de Hoop, and Bjørn Ursin
Geophysics, 2003, Volume 68,  Issue 1, pp. 232-254
Abstract   Full Text: [  PDF  ]  

Reflection and transmission responses of layered transversely isotropic viscoelastic media
Alexey Stovas and Bjørn Ursin
Geophysical Prospecting, 2003, Volume 51,  Issue 5, pp. 447-477
Abstract   Full Text: [  PDF   HTML  ]  

Parameter inversion and angle migration in anisotropic elastic media
Bjørn Ursin
Geophysics, 2004, Volume 69,  Issue 5, pp. 1125-1142
Abstract   Full Text: [  PDF  ]  

Comparison of seismic attenuation models using zero-offset vertical seismic profiling (VSP) data
Tommy Toverud and Bjørn Ursin
Geophysics, 2005, Volume 70, Issue 2, pp. F17-F25
Abstract   Full Text:  [  PDF  ]  

Linearized 2.5-dimensional parameter imaging inversion in anisotropic elastic media
Stig-Kyrre Foss, Maarten V. de Hoop, and Bjørn Ursin
Geophysical Journal International, 2005, Volume 161, Issue 3, pp. 722-738
Abstract   Full Text:  [  PDF   HTML  ]  

Depth-consistent reflection tomography using PP and PS seismic data
Stig-Kyrre Foss, Bjørn Ursin, and Maarten V. de Hoop
Geophysics, 2005, Volume 70, U51-U65
Abstract   Full Text:  [  PDF  ]  

Traveltime approximations for a layered transversely isotropic medium
Bjørn Ursin and Alexey Stovas
Geophysics, 2006, Volume 71, D23-D33
Abstract   Full Text:  [  PDF  ]  

Cross-property relations between electrical conductivity and the seismic velocity of rocks
José M. Carcione, Bjørn Ursin, and Janniche I. Nordskag
Geophysics, 2007, Volume 72, E193-E204
Abstract   Full Text:  [  PDF  ]  

Zero-offset seismic amplitude decomposition and migration
Bjørn Ursin and Martin Tygel
Geophysics, 2007, Volume 72, S187-S193
Abstract   Full Text:  [  PDF  ]  

Electromagnetic fields in planarly layered anisotropic media
Lars O. Løseth and Bjørn Ursin
Geophysical Journal International, 2007, Volume 170, Issue 1, 44-80
Abstract   Full Text:  [  PDF   HTML  ]  

Direct multichannel predictive deconvolution
Milton J. Porsani and Bjørn Ursin
Geophysics, 2007, Volume 72, H11-H27
Abstract   Full Text:  [  PDF  ]  

Automatic nonhyperbolic velocity analysis
Brahim Abbad, Bjørn Ursin, and Didier Rappin
Geophysics, 2009, Volume 74, U1-U12
Abstract   Full Text:  [  PDF  ]  

Automatic nonhyperbolic velocity analysis, GEOPHYSICS, 74, no. 2, U1-U12.
Brahim Abbad, Bjørn Ursin, and Didier Rappin
Geophysics, 2010, Volume 75, no. 6, Y3-Y3
Abstract   Full Text:  [  PDF  ]  

A fast, modified parabolic Radon transform
Brahim Abbad , Bjørn Ursin, and Milton J. Porsani
Geophysics, 2011, Volume 76, no. 1, V11-V24
Abstract   Full Text:  [  PDF  ]  

Flux-normalized wavefield decomposition and migration of seismic data
Bjørn Ursin, Pedersen Ørjan, and Børge Arntsen.
Geophysics, 2012, Volume 77, no. 3, S83-S92
Abstract   Full Text:  [  PDF  ]  

Kinematic time migration and demigration of reflections in pre-stack seismic data
Iversen Einar, Martin Tygel, Bjørn Ursin, and Maarten V. de Hoop
Geophysical Journal International, 2012, Volume 189, no. 3, 1635-1666
Abstract   Full Text:  [  PDF  ]  

Rapid expansion and pseudo spectral implementation for reverse time migration in VTI media
Reynam C. Pestana, Bjørn Ursin, and Paul L. Stoffa
Journal of Geophysics and Engineering, 2012, Volume 9, 291-301
Abstract   Full Text:  [  PDF  ]  

Shot-profile true amplitude crosscorrelation imaging condition
Børge Arntsen, Alexander Kritski, Bjørn Ursin, and Lasse Amundsen
Geophysics, 2013, Volume 78, no. 4, S221-S231
Abstract   Full Text:  [  PDF  ]  

Three-dimensional non-stationary and non-linear isotropic AVA inversion
Erlend Aune, Jo Eidsvik, and Bjørn Ursin
Geophysical Journal International, 2013, Volume 194, no. 2, 787-803
Abstract   Full Text:  [  PDF  ]  

Fresnel volume and interface Fresnel zone for reflected and transmitted waves from a curved interface in anisotropic media
Bjørn Ursin, Nathalie Favretto-Cristini, and Paul Cristini
Geophysics, 2014, Volume 79, no. 5, C123-C134
Abstract   Full Text:  [  PDF  ]  

Signal and traveltime parameter estimation using singular value decomposition
Bjørn Ursin, Michelângelo G. Silva, and Milton J. Porsani
Geophysics, 2014, Volume 79, no. 5, U1-U14
Abstract   Full Text:  [  PDF  ]  

Full waveform inversion in the frequency domain using direct iterative T-matrix methods
Morten Jakobsen and Bjørn Ursin
J. Geophys. Eng, 2015, 12, 400-418
Abstract   Full Text:  [  PDF  ]