An Improved CO₂-Crude Oil Minimum Miscibility Pressure Correlation

Table 5

Comparison of predicted MMPs for nine oil samples by the correlation proposed in this study and other eleven literature correlations.

Exp. (MMP); (MPa)	Correlation proposed in this study		Cronquist’s correlation		Lee’s correlation		Yelling-Metcalfe’s correlation
	MMP (MPa)	ARE, %	MMP (MPa)	ARE, %	MMP (MPa)	ARE, %	MMP (MPa)	ARE, %
11.138	10.594	4.881	14.062	26.251	13.055	17.214	12.135	8.947
14.152	12.619	10.833	13.693	3.241	18.143	28.201	15.154	7.080
18.379	17.548	4.522	24.043	30.816	28.968	57.614	24.077	31.004
14.634	14.243	2.673	15.050	2.844	24.340	66.325	18.139	23.954
16.062	15.387	4.203	14.645	8.820	20.143	25.408	15.154	5.654
20.650	19.990	3.196	25.722	24.561	35.810	73.416	22.870	10.752
26.800	22.551	15.853	22.616	15.613	16.716	37.627	14.381	46.338
22.630	17.864	21.060	16.765	25.919	26.007	14.921	16.594	26.673
13.090	12.399	5.278	12.419	5.129	11.525	11.959	11.014	15.860
AARE, %		8.055		15.910		36.965		19.585
MAARE, %		21.060		30.816		73.416		46.338
Exp. (MMP); (MPa)	Orr-Jensen’s correlation		Glaso’s correlation		Alston’s correlation		Emera-Sarma’s correlation
	MMP (MPa)	ARE, %	MMP (MPa)	ARE, %	MMP (MPa)	ARE, %	MMP (MPa)	ARE, %
11.138	10.002	10.196	16.679	49.746	6.756	39.342	9.362	15.945
14.152	14.306	1.087	19.472	37.593	8.611	39.155	12.214	13.695
18.379	32.845	78.712	18.464	0.462	14.032	23.650	13.738	25.251
14.634	19.691	34.556	13.128	10.290	10.462	28.512	12.071	17.513
16.062	14.306	10.934	14.973	6.779	15.941	0.751	13.032	18.863
20.650	29.963	45.097	22.617	9.525	20.944	1.423	18.150	12.105
26.800	13.087	51.170	22.328	16.687	24.636	8.074	27.222	1.575
22.630	16.777	25.863	26.327	16.337	15.512	31.454	23.042	1.820
13.090	8.734	33.279	16.029	22.452	11.524	11.963	12.102	7.550
AARE, %		32.321		18.874		20.481		12.702
MAARE, %		78.712		49.746		39.342		25.251
Exp. (MMP); (MPa)	Yuan’s correlation		Shokir’s correlation		Chen’s correlation		Ju’s correlation
	MMP (MPa)	ARE, %	MMP (MPa)	ARE, %	MMP (MPa)	ARE, %	MMP (MPa)	ARE, %
11.138	12.775	14.699	12.549	12.669	11.002	1.218	7.091	36.332
14.152	18.512	30.809	15.783	11.522	13.967	1.309	9.539	32.598
18.379	13.735	25.266	27.908	51.845	21.849	18.878	19.767	7.554
14.634	8.304	43.255	15.366	5.004	15.543	6.210	11.280	22.921
16.062	14.568	9.302	15.191	5.420	19.961	24.274	13.697	14.727
20.650	17.164	16.879	26.111	26.445	24.313	17.739	21.215	2.734
26.800	20.033	25.250	20.132	24.881	19.328	27.879	11.409	57.428
22.630	18.113	19.960	15.509	31.468	17.374	23.226	11.615	48.674
13.090	20.738	58.425	10.647	18.664	11.973	8.531	7.577	42.116
AARE, %		27.094		20.880		14.363		29.454
MAARE, %		58.425		51.845		27.879		57.428