Method and apparatus for selecting inverse power weighting...

Details Method and apparatus for selecting inverse power weighting... Method and apparatus for selecting inverse power weighting...

G - Physics

01

V

349/14

G01V 1/28 (2006.01) G01V 1/36 (2006.01)

Patent

CA 1205895

ABSTRACT OF THE DISCLOSURE A method and apparatus are disclosed for signal- to-noise optimization of seismic-trace signals during seismic prospecting utilizing plural initiations of a low energy surface seismic source. The method and apparatus optimize signal-to-noise ratio by vertically stacking, that is, summing, inverse power weighted seismic-trace signals from each of the plural initiations wherein the exponent used for weighting is selectable for optimizing the signal-to-noise ratio of the composite seismic-trace signal. The range of exponents provided is correlated to the range of ambient noise, including nonstationary noise, commonly encountered during seismic prospecting, espe- cially vibroseis seismic prospecting, for the purpose of optimizing the quality of seismic-trace data.

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