Science – Society – Technology
Table 1 Structural parameters of production and reinjection wells and water level monitoring holes
From: Geo-temperature response to reinjection in sandstone geothermal reservoirs
Well type | Borehole diameter (mm) | Borehole wall diameter (mm) | Gravel thickness (mm) | Diameter of filter pipe (mm) | Steel mesh spacing of water filter pipe (mm) |
|---|---|---|---|---|---|
Production well | 100 | – | – | 10 | 0.5–1.0 |
Injection well | 220 | 88 | 66 | 10 | 0.5–1.0 |
Water level monitoring holes | 70 | – | – | 5 | – |