3-D description of normal moveout in anisotropic inhomogeneous media

Geophysics

Volumn 63, Issue 3, 1998, Pages 1079-1092

  Grechka, Vladimir ^a   Tsvankin, Ilya ^a  

^a Department of Geology and Geological Engineering   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC WAVE REFLECTION; ANISOTROPY; MATHEMATICAL MODELS; PETROLEUM GEOLOGY; PETROLEUM RESERVOIR EVALUATION; SEISMIC WAVES; TECTONICS;

NORMAL MOVEOUT (NMO) VELOCITY; THOMSEN'S COEFFICIENT;

SEISMIC PROSPECTING;

NORMAL MOVEOUT; SEISMIC DATA PROCESSING;

EID: 0032076383     PISSN: 00168033     EISSN: None     Source Type: Journal    
DOI: 10.1190/1.1444386     Document Type: Article

References (22)

1. Alkhalifah, T., and Tsvankin, L. 1995, Velocity analysis in transversely isotropic media: Geophysics, 60, 1550-1566.
2. Alkhalifah, T., Tsvankin, I., Larner, K., and Toldi, J., 1996, Velocity analysis and imaging in transversely isotropic media: Methodology and a case study: The Leading Edge, 15, no. 5, 371-378.
3. Byun, B., 1982, Seismic parameters for media with elliptical velocity dependencies: Geophysics, 47, 1621-1626.
4. Cohen, J. K., 1998, A convenient an expression for the NMO velocity function in terms of ray parameter: Geophysics, 63, 275-278.
5. Corrigan, D., Withers, R., Darnall, J., Skopinski, T., 1996, Fracture mapping from azimuthal velocity analysis using 3D surface seismic data: 66th Ann. Internat. Mtg., Soc. Expl. Geophys., Expanded Abstracts. 1834-1837.
6. Dix, C. H., 1955, Seismic velocities from surface measurements: Geophysics, 20, 68-86.
7. Hale, D., Hill, N. R., and Stefani, J., 1992, Imaging salt with turning seismic waves: Geophysics, 57, 1453-1462.
8. Hubral, P., and Krey, T. 1980, Interval velocities from seismic reflection measurements: Soc. Expl. Geophys.
9. Levin, F. K., 1971, Apparent velocity from dipping interface reflections: Geophysics, 36, 510-516.
10. Lynn, H., Simon, K., Bates, C., Van Doc, R., 1996, Azimuthal anisotropy in P-wave 3-D (multiazimuth) data: The Leading Edge, 15, No. 8, 923-928.
11. Obolentseva, I. R., and Grechka, V. Y., 1989, Ray-tracing method in anisotropic media (algorithms and Fortran software): Institute of Geology and Geophysics, Novossibirsk (in Russian).
12. Rüger, A., 1996. Variation of P-wave reflectivity with offset and azimuth in anisotropic media: 66th Ann. Internat. Mtg., Soc. Expl. Geophys., Expanded Abstracts, 1810-1813.
13. Sayers, C., 1995a, Anisotropic velocity analysis: Geophys. Prosp., 43, 541-568.
14. _ 1995b, Reflection moveout in azimuthally anisotropic media: 65th Ann. Internat. Mtg., Soc. Expl. Geophys., Expanded Abstracts, 340-343.
15. Thomsen, L., 1986, Weak elastic anisotropy: Geophysics, 51, 1954-1966.
16. Tsvankin, I., 1995, Normal moveout from dipping reflectors in anisotropic media: Geophysics, 60, 268-284.
17. _ 1996, P-wave signatures and notation for transversely isotropic media: An overview: Geophysics, 61, 467-483.
18. _ 1997a, Reflection moveout and parameter estimation for horizontal transverse isotropy: Geophysics, 62, 614-629.
19. _ 1997b, Anisotropic parameters and P-wave velocity for orthorhombic media: Geophysics, 62, 1292-1309.
20. _ 1997c, Moveout analysis in transversely isotropic media with a tilted symmetry axis: Geophys. Prosp., 45, 479-512.
21. Tsvankin, I., Grechka, V., and Cohen, J. K., 1997, Generalized Dix equation and modeling of normal moveout in inhomogeneous anisotropic media: 67th Ann. Internat. Mtg., Soc. Expl. Geophys., Expanded Abstracts, 1250-1253.
22. Tsvankin, I., and Thomsen, L., 1994, Nonhyperbolic reflection moveout in anisotropic media: Geophysics, 59, 1290-1304.