Event-oriented velocity estimation based on prestack data in time or depth domain

Geophysical Prospecting

Volumn 44, Issue 4, 1996, Pages 643-686

  Iversen, Einar ^a   Gjøystdal, Håvar ^a  

^a NORSAR   (Norway)

Author keywords

[No Author keywords available]

Indexed keywords

ALGORITHMS; CALCULATIONS; ERRORS; GEOMETRY; IMAGING SYSTEMS; IMAGING TECHNIQUES; ITERATIVE METHODS; MATHEMATICAL MODELS; MATHEMATICAL TRANSFORMATIONS; PARAMETER ESTIMATION; REFLECTION; VELOCITY;

EVENT ORIENTED LOCAL APPROACH; LAYER STRIPPING; MIDPOINT HALF OFFSET SYSTEM; PRESTACK DEPTH MIGRATION; SOURCE RECEIVER SYSTEM; TRAVELTIME; TRAVELTIME DERIVATIVE; TWO DIMENSIONAL REFLECTION TOMOGRAPHIC METHOD; VELOCITY ESTIMATION;

SEISMOLOGY;

LAYER STRIPPING APPROACH; PRESTACK DEPTH MIGRATION; SEISMIC REFLECTION; SEISMIC TOMOGRAPHY; VELOCITY ESTIMATION;

EID: 0030186128     PISSN: 00168025     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1365-2478.1996.tb00169.x     Document Type: Article

References (19)

1. Bishop T.N., Bube K.P., Cutler R.T., Langan R.T., Love P.L., Resnick J.R., Shuey R.T., Spindler D.A. and Wyld H.W. 1985. Tomographic determination of velocity and depth in laterally varying media. Geophysics 50, 903-923.
2. Cabrera J., Perkins W., Hagen T., Ratcliffe D.W. and Lynn W. 1992. 3-D prestack depth migration: Implementation and case history. 62nd SEG meeting, New Orleans, Expanded Abstracts, 948-951.
3. Ćervený V. 1985. The application of ray tracing to numerical modeling of seismic wavefields in complex structures. In: Seismic Shear Waves (ed. G. Dohr), Part A: Theory, 1-124. Geophysical Press, London.
4. Chiu S.K.L. and Stewart R.R. 1987. Tomographic determination of three-dimensional seismic velocity structure using well logs, vertical seismic profiles, and surface seismic data. Geophysics 52, 1085-1098.
5. Ehinger A. 1992. How to pick traveltime in complex structures. 54th EAEG meeting, Paris, Expanded Abstracts, 246-247.
6. Farra V. and Madariaga R. 1987. Seismic waveform modeling in heterogeneous media by ray perturbation theory. Journal of Geophysical Research 92, B3, 2697-2712.
7. Gjøystdal H. and Ursin B. 1981. Inversion of reflection times in three dimensions. Geophysics 46, 972-983.
8. Gray W.C. and Golden J.E. 1983. Velocity determination in a complex earth. 53rd SEG meeting, Las Vegas, Expanded Abstracts, 577-579.
9. Hubral P. and Krey T. 1980. Interval Velocities from Seismic Reflection Time Measurements (ed. K.L. Larner), SEG, Tulsa, Oklohoma.
10. Hubral P., Schleicher J. and Tygel M. 1992. Three-dimensional paraxial ray properties. Part I: Basic relations. Journal of Seismic Exploration 1, 265-279.
11. Hutton G.D. and Berg K.I. 1992. 3-D local imaging utilizing paraxial ray-traced Green's functions. 62nd SEG meeting, New Orleans, Expanded Abstracts, 1007-1009.
12. Iversen E. and Gjøystdal H. 1984. Three-dimensional velocity inversion by use of kinematic and dynamic ray tracing. 54th SEG meeting, Expanded Abstracts, 643-645.
13. Landa E., Kosloff D., Keydar S., Koren Z. and Reshef M. 1988. A method for determination of velocity and depth from seismic reflection data. Geophysical Prospecting 36, 223-243.
14. Lafond C.F. and Levander A.R. 1993. Migration moveout analysis and depth focusing. Geophysics 58, 91-100.
15. Stork C. 1992. Reflection tomography in the postmigrated domain. Geophysics 57, 680-692.
16. Ursin B. 1982. Quadratic wavefront and traveltime approximations in inhomogeneous layered media with curved interfaces. Geophysics 47, 1012-1021.
17. van der Made P.M. and van Riel P. 1988. Estimating complex velocity models for depth migration. 59th SEG meeting, Expanded Abstracts, 886-889.
18. van Trier J.A. 1990. Tomographic determination of structural velocities from depth-migrated seismic data. Ph.D. thesis, Stanford University.
19. Vinje V., Iversen E. and Gjøystdal H. 1993. Traveltime and amplitude estimation using wavefront construction. Geophysics 58, 1157-1166.