Research Article

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

Table 3

Parameters of the shale gas well in case 2.

Basic parametersValues

Initial formation pressure44(MPa)
Net pay thickness46(m)
Temperature79.6(°C)
Porosity0.071
Material constant 1.45×10−3(MPa−1)
Material constant 0.032 (MPa−1)
Langmuir volume4.0(m3/t)
Langmuir pressure8.62(MPa)
Shale density2.713(t/m3)
Water saturation0.04
Fracture half-length128(m)