Abstract

The paper presents localization of hydrocarbon zone using Continuous Wavelet Transform (CWT) tool. Presence of low frequency shadow zone, which arises due to attenuation of high frequencies in the seismic spectrum, indicates the presence of hydrocarbon zone. Through detailed analysis of time-frequency plot of seismic traces obtained via wavelet transform method, it is possible to confirm presence of such shadow-zones in stacked seismic section. The results from the analysis of seismic section of F3 block in the Dutch sector of North Sea show the utility of the method.