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Poroelasticity Theory and Wave Attenuation in Porous RocksNormal access

Author: T.M. Mueller
Event name: EAGE Workshop on Seismic Attenuation
Session: Models and Mechanisms - 1
Publication date: 28 October 2013
DOI: 10.3997/2214-4609.20131831
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 1.97Mb )
Price: € 20

Summary:
Poroelasticity theory provides a general framework for seismic wave propagation in fluid-saturated porous media. This framework entails four wave modes. The fast P- and S-waves describe the in-phase compressional and shear motions. The slow P- and S-waves describe the corresponding out-of-phase motions. In heterogeneous poroelastic media wave mode conversions can occur. The fast to fast wave conversion scattering is important for the quantification of scattering attenuation. The fast to slow wave conversion describes dissipation processes. Analysis of the slow to slow wave conversion process allows us to understand the relation between permeability and seismic attenuation.


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