Table 8. Calculated Values of Density for the New Model.

water cut (%)	CO2 content (%)	temperature (°C)	pressure (MPa)	measured value (g/cm3)	new model (g/cm3)	relative error (%)
20	20	20	15	0.905	0.839	7.2
		40	5	0.760	0.743	2.1
		60	12	0.758	0.719	5.0
		80	8	0.704	0.662	5.9
		95	10	0.663	0.643	2.9
	40	20	8	0.809	0.814	0.6
		40	5	0.725	0.742	2.3
		60	10	0.727	0.712	1.9
		80	12	0.719	0.675	6.0
		95	15	0.670	0.664	0.8
60	40	40	5	0.745	0.722	2.9
		60	8	0.721	0.722	0.1
		80	10	0.713	0.721	1.1
		95	12	0.637	0.720	7.0
		95	15	0.682	0.725	6.3
	60	20	8	0.803	0.828	3.1
		40	5	0.738	0.750	1.6
		60	12	0.714	0.734	2.8
		80	10	0.675	0.678	0.4
		95	15	0.647	0.674	4.2
90	60	20	15	0.866	0.887	2.4
		40	8	0.752	0.775	3.0
		60	5	0.710	0.702	1.0
		80	10	0.683	0.684	0.2
		95	12	0.641	0.664	3.7
	90	20	8	0.789	0.839	6.3
		40	10	0.771	0.787	2.1
		60	12	0.715	0.743	4.0
		80	5	0.665	0.656	1.2
		95	15	0.639	0.681	6.6
average relative error				3.16%