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Fluids in the pore space of rocks causes attenuation and dispersion by the mechanism broadly known as wave-induced fluid flow. Of particular interest to exploration geophysics is inelastic attenuation and dispersion of body waves (P- and S-waves). Understanding fluid-related dissipation in hydrocarbon reservoir rocks, combined with improved measurements of attenuation and/or dispersion from recorded seismic data, may be used to estimate the hydraulic properties of these rocks. Discussing macroscopic, mesoscopic, and local flow and including theoretical models and experimental evidence, this...