Seismic Attributes hands on course
Adapted from Professor Kurt J. Marfurt
(University of Oklahoma) short course
COURSE OUTLINE
1) Introduction
-Seismic attributes definitions and their main applications;
2) Complex trace, horizon and formation attributes
-Seismic attributes from the complex trace;
-Phase unwrapping and phase discontinuity attribute;
3) Joint visualization of multiple attributes
-Combining multiple attributes using RGB (Red, Green and Blue) and HLS (Hue, Lightness and Saturation) color coding to reinforce geological features;
-Flattening and stratal slices computation and interpretation;
4) Spectral decomposition
-Thin bed tuning and other applications;
4.1) Joint Time-Frequency analyses and some of their geophysical applications
-Spectrogram, Wavelet transform, Matching pursuit, and other algorithms;
5) Geometrical attributes
5.1) Volumetric dip and azimuth
-Main algorithms and applications;
5.2) Similarity
-Coherence, energy gradients, edge detectors algorithms and applications;
5.3) Curvature
-Structural curvature;
-Shape index and curvedness;
-Main curvature applications: domes and collapses detection; Rose diagrams; how lineaments can be associated with fractures and well production data;
-Structural curvature versus amplitude curvature;
6) Structure Oriented Filtering
-Filtering noise preserving the structural information;
7) Multi-attributes combination using statistics and neural networks
-Volumetric and map seismic facies analysis.