Performance Optimization of CO₂ Huff-n-Puff for Multifractured Horizontal Wells in Tight Oil Reservoirs

Table 7

The CO₂-crude oil interactions at formation temperature.

CO2 mol percentage (%)	Saturated pressure (MPa)	Coefficient of expansion	Viscosity (mPa·s)
0	10.18	1	1.41
12.3	11.45	1.033	1.36
25.4	13.21	1.142	1.28
35.6	14.85	1.195	1.17
46.5	16.65	1.311	1.05
60.4	20.21	1.489	0.90
71.2	24.62	1.794	0.72