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Geostatistics and Rock Physics

Geostatistics and Rock Physics

Lisa Stright worked with data form the Puchkirchen Field in the Molasse Basin of Upper Austria. She has developed a novel calibration between well log and inverted seismic attributes for sub-seismic facies prediction. The goal of this research was to generate and apply a new methodology for predicting sub-seismic scale facies (or rock types) from a calibration between core, well logs and inverted seismic attributes. The product of the calibration is a prediction of the contributions (in proportions) of each facies, defined at the log scale, which contribute to the coarse-scale seismic response. The resulting data are a set of seismic volumes containing of the proportion of facies (i.e., sandstone, distributed mudstone, soft shale, and thin interbedded sandstone/mudstone) at each seismic pixel. She also worked to develop a method to model sub-seismic scale sandstone bodies in this topographically-controlled depositional system.

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