Interpretations or inferences of stratigraphic terminations and some types of small structural changes can be made by analyzing the area patterns of three seismic attributes -- amplitude, phase, and frequency -- across a selected seismic time surface, as these attributes are particularly sensitive to the reflection wavelet distortions that image these geologic conditions. This module provides a conceptual understanding of these attributes and the procedures used to calculate them, and demonstrates how these attributes are used to enhance, detect and interpret geologic features such as faults, channels, pinchouts, seismic-stratigraphic sequence boundaries, and unconformities.

The exercise will lead you through the process of defining and observing the concept of a complex seismic trace and the analyses of three seismic attributes: instantaneous phase, frequency, and amplitude -- when applied to seismic data. As you work through the steps in the exercise, you will see how these three attributes are used as tools for seismic data enhancement and more confident interpretation.

Instructor: Bob A. Hardage

Product Code #917

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