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Abstract

Seismic analysis workflows can help improve vertical resolution and identify thin beds on seismic reflection data. Thin beds are events that fall below the level of seismic resolution and occur in all geologic settings. Thin bed analysis can help define pinch outs, internal bedding geometries, and other subtle stratigraphic features that are not initially visible on seismic data. We present workflows that include noise cancellation and spectral enhancement, as well as terrace, doublet, bed form, and instantaneous frequency attributes to enhance the vertical resolution of 3D seismic data. Geobodies are then extracted from these attributes to produce a three-dimensional view of data zones having shared characteristics. Examples from several 3D data sets from different geologic settings illustrate the wide applicability of these workflows.

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