3-D analysis Amplitude AOGR attenuation Austin Chalk Average Energy AVO below tuning big data DHIs Direct Hydrocarbon Indicators Eagle Ford Envelope faults flat spots GeoExpro geologic patterns geometric attributes Geophysical Insights Gulf of Mexico Iot machine learning multi-attribute analysis multiattribute neural networks pattern recognition PCA principal component analysis seismic attributes seismic computing seismic interpretation Self-Organizing Map Self Organizing Maps SOM SOM analysis spectral decomp spectral decomposition sub-seismic Sweetness thin beds tight carbonate reservoirs unconventional unsupervised neural networks well calibration workflow