Physics – Geophysics
Scientific paper
May 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008georl..3509306m&link_type=abstract
Geophysical Research Letters, Volume 35, Issue 9, CiteID L09306
Physics
Geophysics
2
Physical Properties Of Rocks: Wave Attenuation, Physical Properties Of Rocks: Acoustic Properties, Physical Properties Of Rocks: Permeability And Porosity, Mathematical Geophysics: Wave Propagation (0689, 2487, 4275, 4455, 6934), Physical Properties Of Rocks: Transport Properties
Scientific paper
Reservoir rocks saturated with two immiscible fluids may exhibit considerable wave attenuation and dispersion due to wave-induced fluid flow. Attenuation- and velocity-saturation relations of P-waves are developed for partially saturated porous media in which the fluid patches form random fractals on the mesoscopic scale. Depending on the fractal dimension of the pore fluid distribution the velocity-saturation relation can vary between the exact Gassmann-Wood and Gassmann-Hill bounds. The results indicate that the fractal dimension is an additional measure that should be accounted for to consistently model effective acoustic properties of partially saturated rocks.
Müller Tobias M.
Toms-Stewart J.
Wenzlau F.
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