Determination of bed thickness and reconstruction of paleosurfaces are important parts of seismic interpretation. This tutorial provides technical support for the “15° rule of thumb” and a straightforward method for calculating bed thickness for higher geologic dips.

When geologic dips are less than 15°, it is common to ignore the correction and accept an error of about 5%. However, when improved accuracy is required, the astute user must have a clear understanding of the issues involved and of the appropriate mathematical corrections. This tutorial is aimed at helping the interpreter understand these corrections for determining true bed thickness.

Geophysicists have...

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