A wedge model is a synthetic seismic section created from a triangular (wedge) shaped acoustic impedance model by convolution with a wavelet. Wedge models are particularly useful for studying thin-bed tuning effects, which are important for quantitative interpretation.  The tuning thickness, vertical resolution and amplitude decay below tuning can be estimated from the model, depending on layer properties and wavelet properties.

Input Values


The top row images show the time (left picture) and frequency (right picture) representation of the input wavelet.
The synthetic seismic section is shown in the middle figure which is created by convolving the input wavelet with the impedance model. 50 seismic traces are generated from zero to maximum thickness.
The maximum absolute amplitude of the trace depending on layer thickness is given in the lowermost figure.

Please fill in the values and click on “Generate”.

Widess, M., 1973, How thin is a thin bed?: Geophysics, 38, no. 6, 1176–1180, http://dx.doi.org/10.1190/1.1440403

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