... ABSTRACT Ultrasonic wave transmission measurements were conducted in order to examine the influence of ice-brine coexisting system grown in unconsolidated porous material on ultrasonic P- and S-waves. We observed the variations of a transmitted wave, changing its temperature from 25°C to -15°C...

... that they are identical in the limits of low and high frequencies. diffusivity gurevich flow in porous media equation of state porous media porous material effective uid transport property transport property denote random media effective diffusivity fluid modeling frequency uid transport property...

... to estimate the permeability. This method is tested with DARS lab data. cavity upstream oil & gas porous material porosity dar flow property rock sample frequency effective compressibility diffusion process permeability diffusion model fluid dynamics compressibility reservoir...

... ABSTRACT No preview is available for this paper. summary basic assumption pore fluid imbibition upstream oil & gas conduit porous material saturation dynamic gassmann equation fluid pressure permeability frequency porosity pore reservoir characterization mechanism...