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Pore structure model for elastic wave velocities in fluid-saturated sandstones

David, Emmanuel; Zimmerman, Robert W.


[1] During hydrostatic compression conducted within the elastic regime, P and S-wave velocities measured on porous rock samples generally increase with pressure and reach asymptotic values at high pressures. The increase in velocities can be attributed to the gradual closure of compliant cracks, in which case the high-pressure velocities reflect only the influence of the stiff, non-closable pores. A procedure is presented to extract the complete pore aspect ratio distribution from the pressure...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: Journal of Geophysical Research
DOI: 10.1029/2012JB009195


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