Velocity rays for heterogeneous anisotropic media: Theory and implementation

Geophysics

Volumn 71, Issue 5, 2006, Pages

  Iversen, Einar ^a  

^a NORSAR   (Norway)

Author keywords

Anisotropic media; Differential equations; Geophysical signal processing; Geophysical techniques; Seismology

Indexed keywords

ACOUSTIC WAVE REFLECTION; ACOUSTIC WAVE VELOCITY; ANISOTROPY; MATHEMATICAL MODELS; ORDINARY DIFFERENTIAL EQUATIONS; PERTURBATION TECHNIQUES; RAY TRACING; TIME DOMAIN ANALYSIS;

GEOPHYSICAL SIGNAL PROCESSING; GEOPHYSICAL TECHNIQUES; ISOCHRON; SEISMIC IMAGING; VELOCITY RAYS;

ACOUSTIC IMAGING;

ANISOTROPIC MEDIUM; GEOPHYSICAL METHOD; RAY TRACING; SEISMIC VELOCITY; SEISMOLOGY;

EID: 33748867339     PISSN: 00168033     EISSN: None     Source Type: Journal    
DOI: 10.1190/1.2227525     Document Type: Article

References (17)

1. Adler, F., 2002, Kirchhoff image propagation: Geophysics, 67, 126-134. gpy GPYSA7 0016-8033 10.1190/1.1451409
2. Adler, F., F. Hoxha, and P. Hubral, 1997, Migrating around in circles - Part II: The Leading Edge, 16, 235-237. lee LEEDFF 1070-485X 10.1190/ 1.1437606
3. Červený, V., 2001, Seismic ray theory: Cambridge University Press.
4. Farra, V., and S. Le Bégat, 1995, Sensitivity of qp-wave traveltimes and polarization vectors to heterogeneity, anisotropy and interfaces: Geophysical Journal International, 121, 371-384. gji GJINEA 0956-540X
5. Farra, V., and R. Madariaga, 1987, Seismic waveform modeling in heterogeneous media by ray perturbation theory: Journal of Geophysical Research, 92, 2697-2712. jgr JGREA2 0148-0227
6. Fomel, S., 1994, Method of velocity continuation in the problem of temporal seismic migration: Russian Geology and Geophysics, 35, 100-111. rgg RGEGEZ 0361-7149
7. 2003a, Time migration velocity analysis by velocity continuation: Geophysics, 68, 1662-1672. gpy GPYSA7 0016-8033 10.1190/1.1620640
8. 2003b, Velocity continuation and the anatomy of residual prestack time migration: Geophysics, 68, 1650-1661. gpy GPYSA7 0016-8033 10.1190/ 1.1620639
9. Hubral, P., M. Tygel, and J. Schleicher, 1996, Seismic image waves: Geophysical Journal International, 125, 431-442. gji GJINEA 0956-540X
10. Iversen, E., 1996, Derivatives of reflection point coordinates with respect to model parameters: Pure and Applied Geophysics, 148, 287-317. pae PAGYAV 0033-4553 10.1007/BF00882064
11. 2001a, First-order perturbation theory for seismic isochrons: Studia Geophysica et Geodaetica, 45, 395-444. 9dd SGEGA8 0039-3169 10.1023/ A:1022029720781
12. 2001b, Ray systems for propagation of seismic isochrons - Part II: Velocity rays: 7th International Meeting, Brazilian Geophysical Society, Expanded Abstracts, 1162-1165.
13. 2004, The isochron ray in seismic modeling and imaging: Geophysics, 69, 1053-1070. gpy GPYSA7 0016-8033 10.1190/1.1778248
14. 2005, Tangent vectors of isochron rays and velocity rays expressed in global Cartesian coordinates: Studia Geophysica et Geodaetica, 49, 485-500. 9dd SGEGA8 0039-3169 10.1007/s11200-005-0023-3
15. Iversen, E., H. Gjøystdal, and J. O. Hansen, 2000, Prestack map migration as an engine for parameter estimation in TI media: 70th Annual International Meeting, SEG, Expanded Abstracts, 1004-1007.
16. Schleicher, J., P. Hubral, G. Höcht, and F. Liptow, 1997, Seismic constant-velocity remigration: Geophysics, 62, 589-597. gpy GPYSA7 0016-8033 10.1190/1.1444168
17. Thomsen, L., 1986, Weak elastic anisotropy: Geophysics, 51, 1954-1966. gpy GPYSA7 0016-8033 10.1190/1.1442051