Vibroseis deconvolution: a synthetic comparison of cross correlation and frequency domain sweep deconvolution

Katherine Fiona Brittle, Laurence R. Lines, Ayon Kumar Dey

Vibroseis data is extremely useful in exploration seismology as it provides a method for controlling the frequency range of seismic data. The trace recorded from a vibroseis source will not contain the minimum phase wavelet associated with a dynamite source; rather the sweep will be embedded in the data. The removal of the embedded sweep is traditionally completed by cross correlation of the recorded trace with the generated sweep, converting the sweep to a Klauder wavelet. Tested with synthetic data is the method of frequency domain sweep deconvolution, where the trace is divided by the sweep in the frequency domain. The results of the synthetic tests are compared to determine the future potential of frequency domain sweep deconvolution.