1887

Abstract

Summary

Frequency decomposition provides good structural understanding, but do not resolve fluids accumulations. Amplitudes of seismic wave passing through rocks with reservoirs are damped more, especially at high frequencies. Therefore, frequency decomposition, which takes into account dumping factor (Q) helps to identify reservoirs. The Prony method decomposes seismic signals by damping cosines at short-time intervals, and creates discrete spectrum including values of amplitude, dumping factor, frequency and phase. We first show the advantage of using Prony method for seismic reservoir interpretation by analysing the frequency decomposed seismic sections and the expressed Q-factor component. Then we compare the interpretation results of Prony’s method with Quantitative Interpretation and Phase Decomposition technique. We show that the Prony Decomposition is a convenient scanning tool for geo exploration.

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/content/papers/10.3997/2214-4609.201801369
2018-06-11
2020-08-04
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