Experimental Study on Enhanced Condensate Recovery by Gas Injection in Yaha Condensate Gas Reservoir

Table 1

Condensate gas reservoir parameters and content.

Category	Parameter	Numerical	Unit
Condensate gas properties	Density	0.63~0.67	kg/m^3
	CO2	<1	%
	N2	3 ~ 8	%
	C1	85	%
Condensate oil properties	Density	0.78~0.83	kg/m^3
	Freezing point	9 ~ 36	°C
	Sulfur content	<0.12	%
	Wax content	5.74~13.77	%
	Wax-off point	9 ~ 20.5	°C
	Gum and asphalt content	Low content	—
Formation water properties	Density	1.08~1.44	kg/m^3
	Salinity	137752~214209	mg/l
Gas reservoir properties	Condensate oil content	600~700	g/m^3
	Maximum reverse condensation pressure	25~30	MPa
	Maximum reverse condensate volume	30	%