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Technical Abstract

Practical strategies for interbed multiple attenuation

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Interbed multiples cause artifacts in subsurface images because they are incorrectly migrated when using standard primary-based migration algorithms. While surface-related-multiple-elimination has been well established as a standard step in seismic processing, the usage of interbed multiple attenuation (IMA) remains low due to various practical challenges such as inaccuracy in prediction, difficulty in subtraction, and prohibitively high compute cost. We propose a workflow with a few strategies to improve the applicability of IMA. Using a 3D field data example, we demonstrate the effectiveness of our workflow in predicting and attenuating interbed multiples. We also illustrate how the removal of interbed multiples can help with accurate interpretation of subsurface geology.
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Publications

SEG - Society of Exploration Geophysicists

Authors

Gaurav Dutta, Hui Huang, Karthik Kanakamedala, Bin Deng, and Ping Wang, CGG

Month

September

Copyright

© 2019 SEG