The Empirical and Theoretical Miscible Characterization Method in Gas-Enhanced Oil Recovery

Table 6

Results of MMP forecasting model.

No.	Experiment value	New model		Kovarik model		Sabaiastian model		Alston model		Yuan model
	MPa	MPa	Deviation	MPa	Deviation	MPa	Deviation	MPa	Deviation	MPa	Deviation
1	19.69	19.7	0.11	20.12	2.16	20.41	3.65	18.73	−4.89	26.80	36.11
2	18.62	19.1	2.65	20.85	11.97	21.01	12.85	19.62	5.36	25.09	34.77
3	18.62	18.1	−2.81	17.60	−5.48	18.44	−0.99	16.78	−9.89	27.24	46.30
4	10.07	10.5	4.44	10.94	8.69	10.96	8.84	10.91	8.29	11.02	9.48
5	9.31	9.0	−3.75	7.73	−16.93	9.59	3.02	8.87	−4.73	11.97	28.60
6	7.9	8.3	4.46	4.84	−38.72	8.54	8.16	7.78	−1.58	12.88	63.00
7	9.66	10.4	7.99	10.88	12.67	10.93	13.17	10.85	12.36	11.04	14.31
8	7.93	7.9	−0.71	4.46	−43.74	8.42	6.18	7.66	−3.35	13.00	63.93
9	13.04	12.9	−1.02	13.44	3.10	13.45	3.15	13.38	2.63	13.53	3.76
10	11.04	11.0	−0.39	10.23	−7.31	11.77	6.62	10.89	−1.40	14.69	33.09
11	8.97	10.1	12.91	7.34	−18.16	10.49	16.90	9.54	6.38	15.80	76.18
12	12.88	12.8	−0.60	13.38	3.91	13.42	4.17	13.32	3.42	13.55	5.21
13	10.5	9.7	−7.97	6.96	−33.70	10.33	−1.59	9.41	−10.42	15.95	51.94
	Average	3.83		15.89		6.87		5.75		35.90