Abstract

The large amount of data collected with the broadband attenuation vessel (BBAV) and other laboratory devices and analyzed in the last five years sheds light on the physics of wave-induced fluid flow in Berea Sandstone. However, the knowledge is insufficient to fully exploit the physics of seismic wave attenuation in partially saturated rocks. In particular, some technical challenges have limited the depth of research. Soon these challenges will be overcome by the use of fluid-pressure sensors capable of measuring wave-induced fluid pressure in the seismic bandwidth when the sample is under high confining pressures. In addition, a new subresonance apparatus, paired with a micro-CT system, will be used to further investigate the influence of fluid distribution and microstructural features on attenuation.

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