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Use of the General Fractional Zener Model to Represent Attenuation in Poro-Viscoelastic Numerical ModelingNormal access

Authors: X. Liu and S. Greenhalgh
Event name: 81st EAGE Conference and Exhibition 2019 Workshop Programme
Session: WS01 Attenuation: Challenges in Modelling and Imaging at the Exploration Scale
Publication date: 03 June 2019
DOI: 10.3997/2214-4609.201901909
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 456.11Kb )
Price: € 20

Summary:
To approximate seismic wave propagation in double porosity media we use the governing equations of effective Biot theory with complex phase velocity and attenuation dispersion characteristics. To upscale them and extend to shear waves we use the poro-viscoelastic modeling approach of multiple fractional Zener elements and apply a frequency-space domain mixed grid finite difference simulation method to calculate wavefields for solid particle velocity, fluid flux and pore pressure.


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