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

Table 2

The reservoir parameters of QW1.

Parameter	Value
Area,
Thickness, m	6.1
Top depth, m	910
Matrix porosity	0.004
Matrix permeability,	0.1
Fracture half-length, m	50
Fracture equivalent permeability,	70
Initial pressure, MPa	6.8
Desorption pressure, MPa	2.9
Desorption time, d	1.0
Initial water saturation	1.0
Fissure distance, m	0.01
Langmuir volume,	27.0
Langmuir pressure, MPa	3.0