Direct gas reservoir detection from seismic wavelets using absorption

The following discussion presents a case history of how a new state-of-the-art seismic processing technology, wavelet energy absorption (WEA), is used in the direct detection of hydrocarbons in a clastic data set in western China.Also of interest may be a companion article to be presented in these pages in the Jan. 12, 19, and 26 issues that contains a more technical discussion of absorption.WEA technology is the latest in an evolving series of seismic industry direct detection technologies.The distinguishing feature of WEA is that the WEA methodology is wavelet based and involves extracting the frequency information contained in the wavelets in order to directly detect hydrocarbon reserv...

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