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

Table 3

Experimental program.

Experiment category	Experiment grouping	Experiment content	Experimental program	Experimental parameters
1	1	Gas injection method	Side gas injection	Temperature:137.8°C; Pressure:54.94 MPa; Initial pressure:60 MPa; Injection speed:0.2 ml/min; Injection and mining method: one injection and one mining
	2		Bottom gas injection
	3		Shaft gas injection
2	4	Gas injection medium	CH4
	5		On-site gas
	6		CO2
3	7	Injection-production ratio	0.5 : 1
	8		0.75 : 1
	9		1 : 1