Research Article
Conversion Timing of Following-Up Thermal Recovery Approaches of Post-CHOP for Foamy Extraheavy Oil Reservoirs
Table 3
Simulation parameters and results of SF with different conversion pressure.
| Conversion pressure (MPa) | Horizontal well spacing (m) | Oil recovery factor of CHOP (%) | Oil recovery factor of SF (%) | Oil recovery factor (%) | Cumulative OSR |
| 6.2 | 50 | 1.9 | 26.9 | 28.8 | 0.175 | 4.8 | 50 | 3.0 | 26 | 29.0 | 0.175 | 3.4 | 50 | 4.0 | 27.3 | 31.3 | 0.207 | 2.0 | 50 | 6.2 | 25.8 | 32.0 | 0.202 |
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