Optimizing Production Schedule of Coalbed Methane Wells Using a Stochastic Evolution Algorithm

Table 3

The reservoir parameters of QW2.

Parameter	Value
Area,
Thickness, m	6.0
Top depth, m	950
Matrix porosity	0.008
Matrix permeability,	0.03
Fracture half-length, m	50
Fracture equivalent permeability,	60
Initial pressure, MPa	6.6
Desorption pressure, MPa	2.1
Desorption time, d	1.0
Initial water saturation	1.0
Fissure distance, m	0.01
Langmuir volume,	28.5
Langmuir pressure, MPa	2.5