Table 1 Basic parameters for numerical simulation of a channel sand reservoir

Reservoir thickness

10 (m)

Pressure at boundary

20 (MPa)

Gas viscosity

0.01 (mPa s)

Bottom hole pressure

12 (MPa)

Reservoir temperature

383 (K)

Drainage radius

1000 (m)

Temperature at std. state

293 (K)

Maximum permeability

5 × 10⁻¹⁵ (m²)

Pressure at std. state

0.1 (MPa)

Minimum permeability

0.1 × 10⁻¹⁵ (m²)

Gas Z factor

0.89

Fracture half-length

100 (m)

Gas Z factor std. state

1