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Abstract

Traditional three-dimensional seismic interpretation was built on 2D work flows and consisted of interpreting a grid of inlines and crosslines from 3D seismic volumes. Such interpretation does not account for the information that exists in the third direction. Besides, conventional seismic amplitude visualization may not display subtle features such as identification of minor faults and thin sands, for which seismic attributes have been designed to enhance one or more components of seismic amplitude such as phase and structural relationships. Significant efforts in the last few years have shown the advantages of interpretation on time and horizon slices, geobody detection as well as multivolume and multiattribute co-rendering. Beginning with the early methods using directional illumination for enhancing subtle fault edges, followed by methods using false-color image techniques (RGB) for merging spectral components, we discuss with the help of examples the need for visualization of seismic attributes using volume co-rendering, keeping in mind the objectives of integration of data and value addition in interpretation. 3D visualization capability when adopted for seismic data interpretation can be a powerful tool that could integrate the different types of data. In addition to seismic data, well log curves (vertical and horizontal), VSP data (2D and 3D), microseismic data, all brought together in a 3D viewer not only provide a convincing visual corroboration of the available data, but also lends higher level of confidence to the interpreter. The future visualization development will be aimed at integrating multi-disciplinary data, which is what is required for meaningful reservoir characterization. The future in visualization is expected to offer unprecedented capabilities which will continue to amaze us.

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/content/papers/10.3997/2214-4609-pdb.330.186
2012-07-29
2024-03-29
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