Methods for processing converted wave seismic data

Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Land-reflection type

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367 38, 367 51, 367 73, G01N 136

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048398691

ABSTRACT:
The present invention provides methods for processing converted wave seismic data which includes, fractional point gathering of the data in a manner consistent with a selected velocity model, dynamic correction of the data using parameters measured from the data to account for the asymmetric travel path of the converted wave rays and stacking the dynamically corrected data. Methods are also provided for updating the velocity model.

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