New technique for Kirchhoff diffraction mapping using both first and later arrivals

1996 SEG Annual Meeting

Volumn , Issue , 1996, Pages 527-530

  Zhao, Ping ^a   Uren, Norm ^a   Hatherly, Peter ^b  

^a CURTIN UNIVERSITY   (Australia)

^b CSIRO   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

IMAGE ENHANCEMENT; RAY TRACING;

ARRIVAL TIME; BODY WAVES; FIRST ARRIVAL; HIGH VELOCITY; INHOMOGENEOUS MEDIA; KIRCHHOFF MIGRATION; RAY-TRACING METHOD; SUBSURFACE INFORMATION;

FINITE DIFFERENCE METHOD;

EID: 84959518535     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1190/1.1826693     Document Type: Conference Paper

References (7)

1. Podvin, P. and Lecomte, I., 1991, Finite-difference computation of traveltimes in very contrasted velocity models: a massively parallel approach and its associated tools: Geophys. J. Int., 105, 271-284.
2. PROMAX User Manual, 1995, Version 6.0: Advance Geophysical Corp, 1995.
3. Reshef, M. and Kosloff, D., 1986, Migration of common-shot gathers: Geophysics, 51, 324-331.
4. Schneider Jr, W. A., Ranzinger, K. A., Balch, A. H. and Kruse, C., 1992, A dynamic programming approach to first arrival traveltime computation in media with arbitrarily distributed velocities: Geophysics, 57, 39-50.
5. Vidale, J., 1988, Finite-difference calculation of traveltimes: Bull. Seis. Soc. Am., 78, 2062-2076.
6. Vidale, J., 1990, Finite-difference calculation of traveltimes in three dimensions: Geophysics, 55, 521-526.
7. Zhao, P., 1995, An efficient computer program for wavefront calculation: Computers & Geosciences (Geophysics; Special Issue), Vol. 22, no.3, 1996 (scheduled).