POIC-Radon Filtering of Near-offset Multiples
نویسنده
چکیده
The primary only imaging condition (POIC) can effectively remove some of the migration artifacts generated by multiple energy in the far-offset data. The multiples predicted by a POIC filter in the far-offset data are used to predict and eliminate the near-offset multiples in the τ−p domain with the Radon transform. The hybrid algorithm is tested on a simple synthetic example and the 2-D SMAART JV. Pluto 1.5 dataset which is associated with a complicated velocity model. Results indicate that this approach is effective in predicting and attenuating some of the surface related multiples. The POIC image with both near and far-offset data has higher image resolution than the one obtained with just the far-offset data. The high resolution Radon transform is helpful in improving the resolution in the τ−p domain so that the performance of the hybrid approach can also be improved.
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