Table 3
Major computational parameters of the gas well in Sichuan.
| Parameter | Value | Unit |
|---|---|---|
| Initial gas flux | 0.06 | m3/s |
| Drilling fluid density | 1.2 | g/cm3 |
| Weighted drilling fluid | 1.4 | g/cm3 |
| H2S content | 2% | |
| Surface temperature | 40 | °C |
| Well depth | 3000 | m |
| Drilling speed | 0.08 | m/s |
| Reservoir permeability | 40 | mD |
| Reservoir thickness | 2 | m |
| Plastic viscosity of drilling fluid | 0.03 | Pa s |
| Yield value of drilling fluid | 1.5 | Pa |
| Mud displacement | 20 | L/s |
| Threshold value of pit gain | 3 | m3 |
| Geothermal gradient | 0.024 | °C/m |