Research Article

Phase Behavior and Physical Parameters of Natural Gas Mixture with

Table 3

Results from two-flash experiments for different CO2 contents in natural gas.

ParametersGas1YP9Gas2Gas3

Formation volume/ (cm3)2.973.9513.7626.676
Ground volume/ (cm3)850113511552160
Formation volume factor/0.0034960.0034810.0032570.003091
-factor/1.07021.06630.98850.9295
Gas density/ (kg/m3)230.00268.51398.75494.13
(under the formation conditions)
Molecular weight/ (g/mol)19.8522.4930.5535.92
Relative density/0.68530.77631.05451.2398