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

Table 2

Components of the oil sample under the reservoir conditions (20.8 MPa, 84°C).

Carbon no.	mol.%	Carbon no.	mol.%	Carbon no.	mol.%
CO2	0.05	C9	2.24	C21	1.37
N2	1.11	C10	2.93	C22	0.91
C1	24.53	C11	2.61	C23	0.91
C2	8.15	C12	1.69	C24	1.01
C3	11.04	C13	1.01	C25	0.96
iC4	1.59	C14	5.12	C26	0.82
nC4	4.06	C15	2.01	C27	0.87
iC5	2.43	C16	1.78	C28	0.82
nC5	2.7	C17	1.78	C29	0.87
C6	1.55	C18	1.05	C30	0.73
C7	0.8	C19	0.46	C31+	5.95
C8	2.73	C20	1.33	Total	100