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A New Numerical Simulation Method for Fluid-saturated Reservoir Based on Diffusion-viscous TheoryNormal access

Authors: Y. Qi, X. Chen and X. Luo
Event name: 77th EAGE Conference and Exhibition 2015
Session: Seismic Modelling - Numerical Aspects
Publication date: 01 June 2015
DOI: 10.3997/2214-4609.201412835
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 1.96Mb )
Price: € 20

Summary:
Reservoir fluid content can cause anomalous attenuation on seismic reflection. The diffusion-viscous theory can properly explain the attenuation. We propose a new numerical simulation method based on a diffusion-viscous wave equation (DVED), which has the advantages of phase-shift modeling but can still accommodate the lateral variation of velocity, diffusion and viscosity. We design a channel model, and use the DVED based method and traditional acoustic wave equation (AWE) based method respectively to simulate the frequency-dependent attenuation and the corresponding seismic reflection of fluid-saturated reservoir. The modeling and migration results indicate that the method is accurate and can well simulate the frequency-dependent attenuation appears below the fluid-saturated reservoirs.


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