Research Article
Experimental Study on Dynamic Characteristics of Shut-In and Restart Process in Water Drive Strong Heterogeneous Oil Reservoir
Table 2
Oil saturation in different periods.
| Stage | Low permeability, % () | Medium permeability, % () | High permeability, % () | Total oil recovery, % |
| 1st | 97.94 | 43.98 | 11.54 | 36.54 | 2nd | 85.55 | 18.66 | 3.21 | 54.95 | 3rd | 43.22 | 8.31 | 0.79 | 75.82 |
|
|