Research Article

Experimental Study on the Characteristics of Adsorbed Gas and Gas Production in Shale Formations

Table 3

Model fitting parameters.

Parameter nameValueParameter nameValue

Initial pressure (MPa)30Matrix average porosity0.056
Experimental temperature (K)300Matrix average permeability (mD)0.000647
Core length (cm)50Langmuir volume (m3/t)4.7
Core diameter (cm)2.5Langmuir pressure (MPa)8.5
Rock density (kg/m3)2600Constant pressure in the outlet (MPa)3
Stress sensitivity coefficient (MPa-1)0.13