Converted-wave seismic imaging: Amplitude-balancing source-independent imaging conditions
Author(s)
Shabelansky, Andrey Hanan; Malcolm, Alison E.; Fehler, Michael
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We have developed crosscorrelational and deconvolutional forms of a source-independent converted-wave imaging condition (SICW-IC) and show the relationship between them using a concept of conversion ratio coefficient, a concept that we developed through reflection, transmission, and conversion coefficients. We applied the SICW-ICs to a two half-space model and the synthetic Marmousi I and II models and show the sensitivity of the SICW-ICs to incorrect wave speed models. We also compare the SICW-ICs and source-dependent elastic reverse time migration. The results of SICW-ICs highlight the improvements in spatial resolution and amplitude balancing with the deconvolutional forms. This is an attractive alternative to active and passive source elastic imaging.
Date issued
2017-02Department
Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary SciencesJournal
GEOPHYSICS
Publisher
Society of Exploration Geophysicists
Citation
Shabelansky, Andrey H.; Malcolm, Alison and Fehler, Michael. “Converted-Wave Seismic Imaging: Amplitude-Balancing Source-Independent Imaging Conditions.” GEOPHYSICS 82, no. 2 (March 2017): S99–S109 © 2017 Society of Exploration Geophysicists
Version: Final published version
ISSN
0016-8033
1942-2156