A Novel Approach to Determine the Enriched Gas Recycling during the Enriched Gas Flooding Process

Table 2

Comparison of expansion coefficients.

Block	Enriched gas	Expansion coefficient
	(LPG : NG, %)	Measured values	Calculated values	Rel. error/%
IV	59.8 : 40.2	199.86	217.51	8.83
	41 : 59	159.63	170.35	6.72
	37.1 : 62.9	150.22	159.25	6.02
IA-top	59.8 : 40.2	150.815	151.208	0.26
	41 : 59	142.717	145.779	2.15
IA-bottom	59.8 : 40.2	239.69	257.756	7.54
	41 : 59	197.965	207.562	4.85