[Retracted] Effectiveness of Oil Filling in Tight Sandstone Reservoirs of Yancheng Formation in Ordos Basin

Table 4

Basic physical parameters of natural tight sandstone core samples.

Sample number	Depth	Average diameter/mm	Average length/mm	Permeability/mD	Porosity/%	Simulated oil	Reservoir type	Horizon
YC-1	1741	25.31	49.98	0.0218	9.56	3# white oil	II2	Long 7
YC-2	2015	25.62	50.15	0.0398	10.41	3# white oil	II2	Long 7
YC-3	1720	25.72	50.27	0.0653	11.04	3# white oil	II1	Long 7
YC-4	2020	24.89	50.42	0.0757	10.18	3# white oil	II1	Long 7
YC-5	1929	25.05	50.08	0.1485	9.51	3# white oil	I	Long 7
YC-6	2082	25.02	50.19	0.4259	12.26	3# white oil	I	Long 7
YC-7	2015	25.41	49.87	0.0163	7.37	Crude oil	III	Long 7
YC-8	1728	25.11	50.45	0.1270	10.19	Crude oil	II1	Long 7