Low-Frequency Measurements of the Effective-Stress Coefficient for Elastic Moduli of Mungaroo Sandstone
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https://zenodo.org/record/10408846
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The measurements were performed on n-decane saturated sandstone using a forced-oscillation laboratory apparatus utilizing stress-strain relationship. The dynamic elastic moduli have been measured in two sets of experiments: at constant pore pressures of 0, 1 and 5 MPa and differential pressure (defined as a difference between confining and pore pressures) varied from 3 to 19 MPa; and at а constant confining pressure of 20 MPa and pore pressure varied from 1 to 17 MP. It was shown that the elastic moduli obtained in the measurements are in good agreement with the Gassmann moduli calculated for the range of differential pressures used in our experiments, which corresponds to the effective-stress coefficient equal to unity.
创建时间：
2023-12-20
