Change of phase state during multi-cycle injection and production process of condensate gas reservoir based underground gas storage

TANG Yong,LONG Keji,WANG Jieming,XU Hongcheng,WANG Yong,HE Youwei,SHI Lei,ZHU Huayin

Table 1 Composition of the prepared condensate gas.

Component Mole fraction/% Component Mole fraction/% CO2 0.65 nC5 0.06 N2 1.43 C6 0.33 C1 77.77 C7 1.74 C2 10.38 C8 0.68 C3 4.24 C9 0.44 iC4 0.32 C10 0.36 nC4 0.16 C11+ 1.00 iC5 0.35