Table 9
Basic parameters of X5.
| Parameters | Value |
|---|---|
| Reservoir parameters | |
| Mid-depth, H | 5151.78 m |
| Thickness, h | 36.1 m |
| Temperature, T | 138.24 °C |
| Initial pressure, p i | 71.01 MPa |
| Porosity, ϕ | 4.4% |
| Permeability, k | 0.25 mD |
| Rock compressibility coefficient, c t | 4.35 × 10−4 MPa−1 |
| Gas parameters @T @p i | |
| Gas saturation, S g | 56.57% |
| Compressibility factor, Z | 1.3975 |
| Isothermal volume coefficient, B g | 2.827 × 10−3 |
| Compressibility coefficient, c g | 6.773 × 10−3 MPa−1 |
| Density, ρ g | 0.248 g/cm3 |
| Viscosity, μ g | 3.168 × 10−5 mPa·s |
| Production parameters | |
| Well radius, r w | 82.55 mm |
| Production gas rate, q g | 8.58 × 104 m3/d |
| Production time, t p | 215.85 h |
| Shut-in time, Δt | 24.78 h |