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77th EAGE Conference and Exhibition 2015
We present the preliminary results of the low-frequency and ultrasonic experiments conducted on a shale sample recovered from the Eagle Ford Formation (South Texas). The shale sample was cut in the direction perpendicular to the formation bedding and tested in dry and wet states to estimate the effect of water presence on elastic properties and attenuation. The elastic parameters obtained for the shale at seismic (0.1 -100 Hz) and ultrasonic (~0.5 MHz) frequencies are very close in both dry anddoi:10.3997/2214-4609.201413153 fatcat:u53z5nlunvginnlsqqjembleq4