Overview of measured elastic properties at seismic frequencies (at 20 µStrain) and at ultrasonic frequencies for the |$\mathrm{CO_2}$| test (see Section 4.3). Saturated sample and fluid densities were calculated and used for the conversion of wave velocities into elastic moduli.
| . | dry . | 100 per cent water . | 100 per cent water + |$\mathrm{CO_2}$| . |
|---|---|---|---|
| E (GPa), LF, 0.5 Hz | 18.1 | 18.5 | 17.7 |
| E (GPa), LF, 143 Hz | 17.9 | 18.2 | 17.7 |
| PR (−), LF, 0.5 Hz | 0.14 | 0.19 | 0.15 |
| PR (−), LF, 143 Hz | 0.13 | 0.18 | 0.16 |
| V|$_\mathrm{P}$| (m s−1), US, 500 kHz | 3169 | 3502 | 3403 |
| V|$_\mathrm{S}$| (m s−1), US, 250 kHz | 2099 | 2092 | 2033 |
| Sample density saturated (g |$\mathrm{cm^{-3}}$|) | 2.00 | 2.25 | 2.25 |
| Fluid density (g |$\mathrm{cm^{-3}}$|) | 0.00 | 1.00 | 1.02 |
| 12 per cent free |$\mathrm{CO_2}$| | 31 per cent free |$\mathrm{CO_2}$| | 4 per cent free |$\mathrm{CO_2}$| | |
| E (GPa), LF, 0.5 Hz | 16.6 | 16.7 | 17.2 |
| E (GPa), LF, 143 Hz | 16.4 | 16.5 | 17.6 |
| PR (−), LF, 0.5 Hz | 0.13 | 0.13 | 0.14 |
| PR (−), LF, 143 Hz | 0.13 | 0.13 | 0.16 |
| V|$_\mathrm{P}$| (m s−1), US, 500 kHz | – | 3288 | 3512 |
| V|$_\mathrm{S}$| (m s−1), US, 250 kHz | – | 2001 | 2071 |
| Sample density saturated (g |$\mathrm{cm^{-3}}$|) | 2.23 | 2.18 | 2.25 |
| Fluid density (g |$\mathrm{cm^{-3}}$|) | 0.93 | 0.74 | 1.00 |
| . | dry . | 100 per cent water . | 100 per cent water + |$\mathrm{CO_2}$| . |
|---|---|---|---|
| E (GPa), LF, 0.5 Hz | 18.1 | 18.5 | 17.7 |
| E (GPa), LF, 143 Hz | 17.9 | 18.2 | 17.7 |
| PR (−), LF, 0.5 Hz | 0.14 | 0.19 | 0.15 |
| PR (−), LF, 143 Hz | 0.13 | 0.18 | 0.16 |
| V|$_\mathrm{P}$| (m s−1), US, 500 kHz | 3169 | 3502 | 3403 |
| V|$_\mathrm{S}$| (m s−1), US, 250 kHz | 2099 | 2092 | 2033 |
| Sample density saturated (g |$\mathrm{cm^{-3}}$|) | 2.00 | 2.25 | 2.25 |
| Fluid density (g |$\mathrm{cm^{-3}}$|) | 0.00 | 1.00 | 1.02 |
| 12 per cent free |$\mathrm{CO_2}$| | 31 per cent free |$\mathrm{CO_2}$| | 4 per cent free |$\mathrm{CO_2}$| | |
| E (GPa), LF, 0.5 Hz | 16.6 | 16.7 | 17.2 |
| E (GPa), LF, 143 Hz | 16.4 | 16.5 | 17.6 |
| PR (−), LF, 0.5 Hz | 0.13 | 0.13 | 0.14 |
| PR (−), LF, 143 Hz | 0.13 | 0.13 | 0.16 |
| V|$_\mathrm{P}$| (m s−1), US, 500 kHz | – | 3288 | 3512 |
| V|$_\mathrm{S}$| (m s−1), US, 250 kHz | – | 2001 | 2071 |
| Sample density saturated (g |$\mathrm{cm^{-3}}$|) | 2.23 | 2.18 | 2.25 |
| Fluid density (g |$\mathrm{cm^{-3}}$|) | 0.93 | 0.74 | 1.00 |
Overview of measured elastic properties at seismic frequencies (at 20 µStrain) and at ultrasonic frequencies for the |$\mathrm{CO_2}$| test (see Section 4.3). Saturated sample and fluid densities were calculated and used for the conversion of wave velocities into elastic moduli.
| . | dry . | 100 per cent water . | 100 per cent water + |$\mathrm{CO_2}$| . |
|---|---|---|---|
| E (GPa), LF, 0.5 Hz | 18.1 | 18.5 | 17.7 |
| E (GPa), LF, 143 Hz | 17.9 | 18.2 | 17.7 |
| PR (−), LF, 0.5 Hz | 0.14 | 0.19 | 0.15 |
| PR (−), LF, 143 Hz | 0.13 | 0.18 | 0.16 |
| V|$_\mathrm{P}$| (m s−1), US, 500 kHz | 3169 | 3502 | 3403 |
| V|$_\mathrm{S}$| (m s−1), US, 250 kHz | 2099 | 2092 | 2033 |
| Sample density saturated (g |$\mathrm{cm^{-3}}$|) | 2.00 | 2.25 | 2.25 |
| Fluid density (g |$\mathrm{cm^{-3}}$|) | 0.00 | 1.00 | 1.02 |
| 12 per cent free |$\mathrm{CO_2}$| | 31 per cent free |$\mathrm{CO_2}$| | 4 per cent free |$\mathrm{CO_2}$| | |
| E (GPa), LF, 0.5 Hz | 16.6 | 16.7 | 17.2 |
| E (GPa), LF, 143 Hz | 16.4 | 16.5 | 17.6 |
| PR (−), LF, 0.5 Hz | 0.13 | 0.13 | 0.14 |
| PR (−), LF, 143 Hz | 0.13 | 0.13 | 0.16 |
| V|$_\mathrm{P}$| (m s−1), US, 500 kHz | – | 3288 | 3512 |
| V|$_\mathrm{S}$| (m s−1), US, 250 kHz | – | 2001 | 2071 |
| Sample density saturated (g |$\mathrm{cm^{-3}}$|) | 2.23 | 2.18 | 2.25 |
| Fluid density (g |$\mathrm{cm^{-3}}$|) | 0.93 | 0.74 | 1.00 |
| . | dry . | 100 per cent water . | 100 per cent water + |$\mathrm{CO_2}$| . |
|---|---|---|---|
| E (GPa), LF, 0.5 Hz | 18.1 | 18.5 | 17.7 |
| E (GPa), LF, 143 Hz | 17.9 | 18.2 | 17.7 |
| PR (−), LF, 0.5 Hz | 0.14 | 0.19 | 0.15 |
| PR (−), LF, 143 Hz | 0.13 | 0.18 | 0.16 |
| V|$_\mathrm{P}$| (m s−1), US, 500 kHz | 3169 | 3502 | 3403 |
| V|$_\mathrm{S}$| (m s−1), US, 250 kHz | 2099 | 2092 | 2033 |
| Sample density saturated (g |$\mathrm{cm^{-3}}$|) | 2.00 | 2.25 | 2.25 |
| Fluid density (g |$\mathrm{cm^{-3}}$|) | 0.00 | 1.00 | 1.02 |
| 12 per cent free |$\mathrm{CO_2}$| | 31 per cent free |$\mathrm{CO_2}$| | 4 per cent free |$\mathrm{CO_2}$| | |
| E (GPa), LF, 0.5 Hz | 16.6 | 16.7 | 17.2 |
| E (GPa), LF, 143 Hz | 16.4 | 16.5 | 17.6 |
| PR (−), LF, 0.5 Hz | 0.13 | 0.13 | 0.14 |
| PR (−), LF, 143 Hz | 0.13 | 0.13 | 0.16 |
| V|$_\mathrm{P}$| (m s−1), US, 500 kHz | – | 3288 | 3512 |
| V|$_\mathrm{S}$| (m s−1), US, 250 kHz | – | 2001 | 2071 |
| Sample density saturated (g |$\mathrm{cm^{-3}}$|) | 2.23 | 2.18 | 2.25 |
| Fluid density (g |$\mathrm{cm^{-3}}$|) | 0.93 | 0.74 | 1.00 |
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