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| | Abstract | | When the alteration of physical properties of subsurface medium happens, the response of the medium to propagationg seismic waves would change as well. On the basis of the temporal change of seismic waveform, various challenges have been attempted to estimate the change in fluid properties in reservoir formations. In this study, we focus on the fluid contact such as gas-oil or oil-water boundaries, recognized as the discontinuities of physical properties. Since such a change in physical properties has its origin in pore space, we simulate the change of pore fluid using a poroelastic Biot theory. The results show the possibility of estimating the fluid alteration using the change in seismic waveforms in reflection seismic configuration. |
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