Research Article
Experimental and Mechanism Study of Superheated SAGD vs. Conventional SAGD Technique: A Cost-Effective Scheme for Superheated SAGD
Table 1
Similarity parameters of the field and experiment.
| | Parameter name | Field scale | Laboratory scale |
| | Well pattern | Double horizontal well | Double horizontal well | | Shaft radius (m, cm) | 0.1 | 0.3 | | Injection production horizontal well spacing (m, cm) | 5 | 4 | | Horizontal well length (m, cm) | 850 | 4 | | Distance from the production well to reservoir bottom (m, cm) | 1.5 | 1.5 | | Oil layer thickness (m, cm) | 21 | 30 | | Porosity (%) | 32 | 32 | | Initial oil saturation (%) | 80 | 80 | | Absolute permeability (10-3 μm2) | 3000 | 210000 | | Crude oil viscosity at 15°C (mPa·s) | 2500000 | 2500000 | | Injection steam temperature (°C) | 220 | 220/260/300 | | Steam quality | 0.7 | 0.7 | | Steam injection rate (t/d, mL/min) | 300 | 46 |
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