Migration velocity analysis from locally coherent events in 2-D laterally heterogeneous media, Part II: Applications on synthetic and real data

Geophysics

Volumn 67, Issue 4, 2002, Pages 1213-1224

  Chauris, Hervé ^a,b   Noble, Mark S ^b   Lambaré, Gilles ^b   Podvin, Pascal ^b  

^a PSL RESEARCH UNIVERSITY   (France)

^b SHELL GLOBAL SOLUTIONS INTERNATIONAL B V   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ALGORITHMS; DIFFRACTION; OPTIMIZATION; RAY TRACING; REFLECTION; SEISMOLOGY; ACOUSTIC WAVE VELOCITY; ACOUSTIC WAVES; COHERENT LIGHT; COMPUTATIONAL EFFICIENCY; COST FUNCTIONS; DATA REDUCTION; INVERSE PROBLEMS; SEISMIC WAVES; STATISTICAL TESTS; WAVE PROPAGATION;

COMMON IMAGE GATHERS (CIG); COMMON OFFSET GATHERS (COG); EFFICIENT COMPUTATION; GEOPHYSICAL TECHNIQUES; GEOPHYSICS COMPUTING; INHOMOGENEOUS MEDIA; MIGRATION VELOCITY ANALYSIS; OPTIMIZATION ALGORITHMS; SEISMIC REFLECTION DATA; SYNTHETIC AND REAL DATA;

GEOPHYSICS; ACOUSTIC WAVE REFLECTION;

HETEROGENEOUS MEDIUM; PRESTACK MIGRATION; SEISMIC MIGRATION; TWO-DIMENSIONAL MODELING; VELOCITY;

EID: 0036637653     PISSN: 00168033     EISSN: None     Source Type: Journal    
DOI: 10.1190/1.1500383     Document Type: Article

References (37)

1. Velocity analysis by iterative profile migration
2. Kinematic interpretation in the prestack depth-migrated domain
3. Stereotomography with automatic picking: Application to the Marmousi dataset
4. Tomographic determination of velocity and depth in laterally varying media
5. Ray theory and its extensions: WKBJ and Maslov seismogram
6. Migration velocity analysis from locally coherent events in 2-D laterally heterogeneous media, part I: Theoretical aspects
7. Tomographic determination of three-dimensional seismic velocity structure using well-logs vertical seismic profiles and surface seismic data
8. Seismic waveform modeling in heterogeneous media by ray perturbation theory
9. Non-linear reflection tomography
10. Sequential migration-aided reflection tomography: An approach to imaging complex structures
11. Prestack migration velocity estimation using nonlinear methods
12. 2D multiscale non-linear velocity estimation
13. Nonlinear velocity inversion by a two-step Monte Carlo
14. Smooth velocity models in reflection tomography for imaging complex geological structures
15. Two-dimensional multivalued traveltime and amplitude maps by uniform sampling of ray field
16. Iterative asymptotic inversion in the acoustic approximation
17. Determination of a shallow velocity-depth model from seismic refraction data by coherence inversion
18. Taking into account a priori information in 3D tomography
19. Decomposition and inversion of seismic data - an instantaneous slowness approach
20. Can we quantitatively image complex structures with rays?
21. LSQR: Sparse linear equations and least squares problems
22. Finite difference computation of traveltimes in very contrasted velocity model: A massively parallel approach and its associated tools
23. Velocity estimation and downward continuation by wavefront synthesis
24. Complex seismic trace analysis
25. 3-D preserved amplitude prestack depth migration on a workstation
26. Fast 2-D ray-Born inversion/migration in complex media
27. Pulse distortion in depth migration
28. Background velocity estimation using non-linear optimization for reflection tomography and migration misfit
29. Sensitivity of prestack depth migration to the velocity model
30. The Marmousi experience
31. Ray tracing in 3-D complex isotropic media: An analysis of the problem
32. Migration velocity analysis by wavefield extrapolation