Since the introduction and application of frequency decomposition methods to seismic data it has routinely been used as a seismic geomorphology tool, a bed thickness indicator and, in some instances, a direct hydrocarbon indicator (DHI) (Chopra, 2012). When applied to 3D post-stack seismic data, frequency decomposition allows us to examine specific parts of the frequency spectrum and generate frequency specific reflectivity, magnitude and phase 3D volumes. Frequency magnitude volumes are used in conjunction with RGB (red, green and blue) blending and have become a common tool in the oil industry for looking at both structural and stratigraphic features within seismic data.
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