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Table 5

Basic parameters of Well#X10.

Parameters Value
Reservoir parameters
 Mid-depth, H 4724.15 m
 Thickness, h 56.6 m
 Temperature, T 132.45 ℃
 Initial pressure, p i 80.1 MPa
 Porosity, ϕ 5.17%
 Permeability, k 0.92 mD
 Rock compressibility coefficient, c t 4.35 × 10−4 MPa−1
Gas parameters @T @p i
 Gas saturation, S g 69.29%
 Compressibility factor, Z 1.50834
 Isothermal volume coefficient, B g 2.607 × 10−3
 Compressibility coefficient, c g 5.415 × 10−3 MPa−1
 Density, ρ g 0.2715 g/cm3
 Viscosity, μ g 3.414 × 10−5 mPa·s
Production parameters
 Well radius, r w 82.55 mm
 Production gas rate, q g 3.73 × 104 m3/d
 Production time, t p 201.79 h
 Shut-in time, Δt 210.94 h

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