Research Article

A Novel Analytical Method to Calculate the Amounts of Free and Adsorbed Gas in Shale Gas Production

Table 2

Parameters of the shale gas well in case 1.

Basic parametersValues

Initial formation pressure33(MPa)
Net pay thickness38(m)
Temperature80.96(°C)
Porosity0.048
Material constant 1.53×10−3(MPa−1)
Material constant 0.043 (MPa−1)
Langmuir volume2.98(m3/t)
Langmuir pressure6.02(MPa)
Shale density2.61(t/m3)
Water saturation0.05
Fracture half-length90(m)