Method of correcting for time shifts in seismic data resulting from azimuthal variation
AssigneePGS Exploration (UK) Limited
InventorMichel Albert Schonewille
Life of this patent
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Abstract
A seismic data set is processed by applying a transform to the seismic data set that corrects for time shifts in the seismic data set resulting from azimuthal variation. Alternatively, a seismic data set is sorted to common offset gathers. Then, the following steps are applied to each common offset gather: A transform is applied to the common offset gather that corrects for time shifts in the common offset gather resulting from azimuthal variation. The transformed common offset gather is inverse transformed.
Claims36
A method for processing a seismic data set, comprising:
- applying a transform to the seismic data set that corrects for time shifts in the seismic data set resulting from azimuthal variation.
A method for processing a seismic data set, comprising:
- sorting the seismic data set to common offset gathers;
- and
- applying the following steps to each common offset gather:
- applying a transform to the common offset gather that corrects for time shifts in the common offset gather resulting from azimuthal variation;
- and
- inverse transforming the transformed common offset gather.
Dependencies are inferred from the claim text.