High order generalized screen propagator for wave equation prestack depth migration

Acta Geophysica Sinica

Volumn 49, Issue 5, 2006, Pages 1445-1451

  Chen, Sheng Chang ^a   Ma, Zai Tian ^b  

^a ZHEJIANG UNIVERSITY   (China)

^b Tongji University   (China)

Author keywords

Asymptotic expansion; Generalized screen propagator; High precision; Single square root operator; Wave equation

Indexed keywords

PRECISION; PRESTACK MIGRATION; SALT DOME; SEISMIC VELOCITY; TWO-DIMENSIONAL MODELING; WAVE EQUATION; WAVE MODELING; WAVE PROPAGATION;

EID: 33845686058     PISSN: 00015733     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (26)

1. Claerbout J F. Imaging of the Earth's Interior. Blackwell Scientific Publication, 1985
2. Stoffa P L, Fokkema J T, de Luna Freire R M, et al. Split-step Fourier migration. Geophysics, 1990, 55(4): 410-421
3. Wu R S, De Hoop M V. Accuracy analysis and numerical tests of screen propagators for wave extrapolation. Mathematical Methods in Geophysical Imaging IV, SPIE, 1996, 2822: 196-209
4. Wu R S, Huang L J. Scattered field calculation in heterogeneous media using phase-screen propagator. In: Expanded Abstracts of the Technical Program, SEG 62th Annual Meeting, 1992. 1289-1292
5. Wu R S, Huang L J. Reflected wave modeling in heterogeneous acoustic media using the De Wolf approximation. Mathematical Methods in Geophysical Imaging III, SPIE, 1995, 2571: 176-186
6. Huang L J, Fehler M. Accuracy analysis of the split-step Fourier propagator: implications for seismic modeling and migration. Bull. Seismol. Soc. Am., 1998, 88: 18-29
7. De Hoop M, Le Rousseau J, Wu R S. Generalization of the phase-screen approximation for the scattering of acoustic waves. Wave Motion, 2000, 31: 43-70
8. Wu R S. Synthetic seismograms in heterogeneous media by one-return approximation. Pure and Applied Geophys., 1996, 148: 155-173
9. Xie X B, Wu R S. Improve the wide angle accuracy of screen method under large contrast. SEG 68th Annual Meeting, Expanded Abstracts, 1998. 1811-1814
10. Xie X B, Wu R S. Improving the wide angle accuracy of the screen propagator for elastic wave propagation. SEG 69th Annual Meeting, Expanded Abstracts, 1999, 1863-1866
11. Xie X B, Mosher C C, Wu R S. The application of wide angle screen propagator to 2D and 3D depth migrations. SEG 70th Annual Meeting, Expanded Abstracts,2000, 878-881
12. Wu R S,Jin S W, Xie X B. Generalized screen propagator and its application in seismic migration. Oil Geophysical Prospecting (in Chinese), 2001, 36(6): 655-664
13. Jin S, Wu R S. Depth migration with a windowed screen propagator. Journal of Seismic Exploration, 1999, 8: 27-38
14. Jin S, Wu R S. Common-offset pseudo-screen depth migration. SEG 69th Annual Meeting, Expanded Abstract, 1999. 1516-1519
15. Wu R S, Xie X B. A complex-screen method for elastic wave one-way propagation in heterogeneous media. Expanded Abstracts of the 3rd International Congress of the Brazilian Geophysical Society, 1993,631-634
16. Xie X B, Wu R S. A complex-screen method for modeling elastic wave reflections. SEG 65th Annual Meeting, Expanded Abstracts, 1995. 1269-1272
17. Liu H, Liu L N, Yang H. The optimized product base function of wavefield extrapolation operator. In: Research on Deep Structure and Geodynamics of China Continental( in Chinese). Beijing: Science Press, 2004, 483-496
18. Chen J B,Liu H. Optimization approximation with separable variable for the one-way wave operation. Geophysical Research Letter, 2004, 31(6), L06613, dio:10.1029/2004. GL 019429
19. Le Rousseau J H, De Hoop M V. Modeling and imaging with the scalar generalized-screen algorithms in isotropic media. Geophysics, 2001, 66(5): 1551-1568
20. Huang L J, Fehler M C, Wu R S. Extended local Born Fourier migration method. Geophysics, 1999, 64:1524-1534
21. th Ann. Internat. Mtg., Soc. Expl. Geophys., Expanded Abstracts, 1999. 1378-1381
22. Huang L J, Fehler M C, Robert P M, et al. Extended local Rytov Fourier migration method. Geophysics, 1999, 64:1535-1545
23. Chen SC, Cao J Z, Ma Z T. Stable pre-stack depth migration method with Born approximation. Oil Geophysical Prospecting (in Chinese), 2001, 36(3): 291-296
24. Chen S C, Cao J Z, Ma Z T. Prestack depth migration based on Rytov approximation. Oil Geophysical Prospecting (in Chinese), 2001, 36(6): 690-697
25. Chen S C, Cao J Z, Ma Z T. Prestack depth migration method based on quasi-linear Bom approximation. Chinese J. Geophys. (in Chinese), 2001, 44(5): 692-698
26. Ristow D, Ruhl T. Fourier finite-difference migration. Geophysics, 1994, 59(12): 1882-1893