Table 6 Calculation results of the Eagle Ford shale for the combination of gas adsorption and stress-dependence effects.
Pore Pressure (MPa) | Bulk Gas Density (kg/m3) | Adsorption Thickness (nm) | Volume of Adsorption (cm3) | Density of Adsorption (kg/m3) | Absolute Adsorption (mmol/g) | Porosity Multiplier | PV (cm3) | Effective PV (cm3) | Effective Porosity Multiplier |
|---|---|---|---|---|---|---|---|---|---|
5.06 | 28.8864 | 0.2938 | 1.9124 | 190.1237 | 0.1124 | 0.9906 | 13.5413 | 11.6289 | 0.8507 |
6.05 | 34.8257 | 0.3003 | 1.9551 | 205.7053 | 0.1243 | 0.9919 | 13.5596 | 11.6046 | 0.8489 |
7.03 | 40.7702 | 0.3061 | 1.9924 | 219.2123 | 0.1350 | 0.9932 | 13.5778 | 11.5854 | 0.8475 |
8.04 | 46.9502 | 0.3113 | 2.0263 | 231.6079 | 0.1451 | 0.9946 | 13.5965 | 11.5702 | 0.8464 |
9.03 | 53.0458 | 0.3158 | 2.0555 | 242.5588 | 0.1541 | 0.9959 | 13.6148 | 11.5593 | 0.8456 |
10.03 | 59.2260 | 0.3198 | 2.0816 | 252.6244 | 0.1626 | 0.9973 | 13.6334 | 11.5518 | 0.8450 |
11.02 | 65.3521 | 0.3233 | 2.1043 | 261.7497 | 0.1703 | 0.9987 | 13.6518 | 11.5475 | 0.8447 |
12.01 | 71.4710 | 0.3263 | 2.1244 | 270.1477 | 0.1774 | 1.0000 | 13.6703 | 11.5459 | 0.8446 |
