What is it about?
We propose scalar and vector imaging approaches helped by polarization-based elastic wave mode decoupling for heterogeneous isotropic and TI media. The vector imaging automatically avoids polarity reversals for PS and SP images. These approaches are also extended to obtain local phase-angle domain common-image gathers.
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Why is it important?
The vector imaging based on mode decomposition has great potential in high-fidelity full-wave imaging for multicomponent seismic data.
Perspectives
We expect that this work will have contribution to extend the technology of multicomponent seismic exploration. If you have interests, I recommend two papers related to this publication: Cheng Jiubing and Sergey Fomel, 2014, Fast algorithms of elastic wave mode separation and vector decomposition using low-rank approximation for anisotropic media: Geophysics, 79(4), C97-C110. Wang Tengfei and Jiubing Cheng, 2017, Elastic full-waveform inversion based on mode decomposition: The approach and mechanism: Geophysical Journal International, DOI: 10.1093/gji/ggx038.
Dr. Jiubing Cheng
Tongji University
Read the Original
This page is a summary of: Scalar and vector imaging based on wave mode decoupling for elastic reverse time migration in isotropic and transversely isotropic media, Geophysics, September 2016, Society of Exploration Geophysicists,
DOI: 10.1190/geo2015-0704.1.
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