Identyfikatory
Warianty tytułu
The modeling of ray trajectories and travel times of reflected PP, SS, and PS waves in the discrete transversely isotropic medium with tilted symmetry axis
Języki publikacji
Abstrakty
In the presented paper the basic assumptions of the algorithm and program of seismic ray trajectories and travel times modelling are described for the case of reflected PP, SS and PS waves in the discrete anisotropic (transversely isotropic) medium with tilted symmetry axis. The ray trajectories and travel times in the discrete horizontally layered medium (VTI) and in the monoclinally dipping layers are defined by means of the numerical solution of the partial equations set resulting from the Fermat principle. The values of the velocities and Thomsen anisotropy parameters are defined in the nodes of the assumed, two dimensional grid. The comparison of the reflection waves hodographs was accomplished for selected isotropic and anisotropic models in the case of CDP gathers.
Wydawca
Rocznik
Tom
Strony
387--392
Opis fizyczny
Bibliogr. 6 poz., tab., wykr.
Twórcy
autor
- Akademia Górniczo-Hutnicza, Wydział Geologii, Geofizyki i Ochrony Środowiska, Katedra Geofizyki; al. Mickiewicza 30, 30-059 Kraków, kasina@geol.agh.edu
Bibliografia
- Al-Marzoug A.M., Neves F.A., Kim J.J. & Nebrija E.L., 2006. P-wave anisotropy from azimuthal AVO and velocity estimates using 3D seismic data from Saudi Arabia. Geophysics, 71, 2, e7—el1.
- Al-Dajani A. & Tsvankin I., 1998. Nonhyperbolic reflection moveout for horizontal transverse isotropy. Geophysics, 63, 5, 1738-1753.
- Contreras P., Grechka V. & Tsvankin I., 1999. Moveout inversion of P-wave data for horizontal transverse isotropy. Geophysics, 64, 4, 1219-1229.
- Grechka V. & Tsvankin I., 1998. 3-D description of normal moveout in anisotropic inhomageneous media. Geophysics, 63, 3, 1079-1092.
- Grechka V. & Tsvankin L, 1999. 3-D moveout velocity analysis and parameter estimation for orthorhombic media. Geophysics, 64, 3, 820-837.
- Thomsen L., 1986. Weak elastic anisotropy. Geophysics, 51, 10, 1954-1966.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-AGHM-0005-0116