Research Article
Mechanism of Surfactant Enhancement of CO2 Displacement Recovery in Interlayer Shale Oil Reservoirs
Table 1
Basic parameters of Chang 7 shale reservoir samples.
| | No. | Horizon | Depth/m | Permeability/mD | Porosity/% | Length/cm | Diameter/cm |
| | 1 | Yanchang | 2429.20-2429.40 | 0.068 | 9.27 | 3.264 | 2.526 | | 2 | Yanchang | 2442.80-2443.00 | 0.137 | 9.22 | 4.227 | 2.521 | | 3 | Yanchang | 2336.20-2336.45 | 0.036 | 8.74 | 3.328 | 2.522 | | 4 | Yanchang | 2429.20-2429.40 | 0.068 | 9.27 | 4.109 | 2.529 | | 5 | Yanchang | 2442.80-2443.00 | 0.137 | 9.22 | 3.239 | 2.524 | | 6 | Yanchang | 2336.20-2336.45 | 0.036 | 8.74 | 3.829 | 2.519 |
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