Research Article
Numerical Investigation into the Impact of CO2-Water-Rock Interactions on CO2 Injectivity at the Shenhua CCS Demonstration Project, China
Table 1
Hydrogeological parameters of the formations used in this study.
| | Parameter | Liujiagou formation | Shiqianfeng formation | Shihezi formation |
| | Permeability (m2) | 2.81 × 10−15 | 6.58 × 10−15 | 5.99 × 10−15 | | Porosity | 0.10 | 0.129 | 0.126 | | Pore compressibility (Pa−1) | 4.5 × 10−10 | 4.5 × 10−10 | 4.5 × 10−10 | | Rock grain density (kg/m3) | 2600 | 2600 | 2600 | | Formation heat conductivity (W/m °C) | 2.51 | 2.51 | 2.51 | | Rock grain specific heat (J/kg °C) | 920 | 920 | 920 | | Temperature (°C) | 55 | 62 | 67 | | Pressure (MPa) | 16 | 18.9 | 21 | | Salinity (wt.%) | 6 | 3 | 0.9 | | Relative permeability model | | | | | Liquid [41] | | | | | | | Residual liquid saturation | | | Exponent | | | Gas [42] | | | | | Residual gas saturation | | | Exponent capillary pressure model [41] | | | | | Residual liquid saturation | | | Exponent | λ | | Strength coefficient | kPa |
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