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.