We present a new interactive technique for frequency decomposition which provides high resolution frequency information with improved localisation in the time domain, identifying geological features up to the limit of seismic resolution. This removes the effect of vertical smearing and enables complex geological features like channels and fan systems to be resolved, with maximum confidence that stratigraphic boundaries are being placed in their correct positions. This technique has been applied to data from Western Siberian provinces and was compared with filter based techniques when used to delineate channels, fans and various thin events.. This study details the differences in the results achieved with the new technique when compared with those achieved with other methods of decomposition. It was found that applying high definition frequency decomposition provided significantly more insight and confidence when interpreting the results.


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