Research Article
Analytical Model of Waterflood Sweep Efficiency in Vertical Heterogeneous Reservoirs under Constant Pressure
Table 2
The results of analytical model in commingled injection and zonal injection.
| | Layers | Commingled injection | Zonal injection | | Breakthrough time, (day) | Frontal position on , (m) | Sweep volume on , (m3) | Breakthrough time, (day) | Frontal position on , (m) | Sweep volume on , (m3) |
| | Layer 1 | 214.1 | 200.0 | 7985.7 | 428.1 | 200.0 | 7985.7 | | Layer 2 | 273.3 | 157.3 | 6280.6 | 546.7 | 157.3 | 6280.6 | | Layer 3 | 4441.8 | 9.8 | 392.3 | 1480.6 | 58.7 | 2342.1 | | Layer 4 | 1480.6 | 29.4 | 1174.5 | 493.5 | 173.9 | 6945.4 | | Layer 5 | 2961.2 | 14.7 | 588.1 | 987.1 | 87.7 | 3502.8 |
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