Table 7. Results of Measured Permeability and Porosity under Reservoir-Simulated Confining Pressure and Proposed Empirical Model of Shale Core Samples.
| measured permeability |
measured
porosity |
estimated porosity
and permeability |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| sample no. | depth (m) | inlet pressure (psi) | confining pressure (psi) | permeability (MPEc) (mD) | equilibrium pressure (psi) | confining pressure (psi) | porosity (MPOc) (%) | permeability (EPEf) (mD) | porosity (EPOf) (%) |
| JHK-1 | 197 | 260.11 | 282.74 | 0.63 | 123.45 | 285.33 | 1.48 | 1.73 | 0.84 |
| JHK-2 | 289 | 396.45 | 412.18 | 0.58 | 285.02 | 415.23 | 1.28 | 1.71 | 0.74 |
| JHK-3 | 329 | 448.69 | 468.75 | 0.55 | 310.56 | 458.69 | 1.32 | 1.67 | 0.63 |
| JHK-4 | 331 | 458.05 | 472.23 | 0.35 | 328.96 | 475.02 | 0.98 | 0.53 | 0.05 |
| JHK-5 | 343 | 462.85 | 486.32 | 0.49 | 368.42 | 483.79 | 1.58 | 1.86 | 0.68 |
| JHK-6 | 351 | 480.69 | 500.21 | 0.48 | 394.08 | 502.14 | 1.28 | 1.28 | 0.25 |
| JHK-7 | 408 | 565.23 | 582.76 | 0.62 | 412.26 | 585.36 | 1.48 | 1.82 | 0.71 |
| JHK-8 | 416 | 575.26 | 592.63 | 0.44 | 436.85 | 594.65 | 0.76 | 0.26 | 0.23 |
| JHK-9 | 431 | 595.18 | 615.49 | 0.52 | 456.78 | 614.96 | 1.65 | 1.81 | 0.57 |
| JHK-10 | 450 | 605.14 | 635.29 | 0.41 | 485.12 | 636.32 | 0.75 | 0.42 | 0.14 |
| JHK-11 | 476 | 660.47 | 680.12 | 0.59 | 512.20 | 682.45 | 1.32 | 1.68 | 0.63 |
| JHK-12 | 496 | 686.69 | 706.58 | 0.52 | 528.67 | 708.29 | 1.28 | 1.23 | 0.56 |
| JHK-13 | 594 | 827.30 | 845.36 | 0.48 | 645.29 | 848.25 | 1.22 | 0.99 | 0.23 |
| JHK-14 | 646 | 894.55 | 919.05 | 0.45 | 746.95 | 922.85 | 1.37 | 1.17 | 0.30 |
| JHK-15 | 904 | 1270.08 | 1286.36 | 0.56 | 1052.52 | 1288.20 | 1.62 | 1.81 | 0.67 |