Fine Depicting of Seepage Barrier for Gas Flooding in the Lower Wuerhe Formation Reservoir of the 8^th District in China

Table 5

Experimental results of gas injection sealability evaluation at the top of the cubic cores.

Core number	Porosity (%)	Permeability (mD)	Breakthrough pressure (MPa)	Breakthrough time
805-1	11.4	0.24651	0.5	28’ 27”
8545-6	7.2	0.00487	5.77	67’ 10”
8545-2	4.8	0.004958	8.95	45’ 00”
8545-5	4.8	0.004509	9.52	30’ 40”
8545-1	5.3	0.001716	11.18	15’ 34”
JW32-3	5.6	0.00723	11.94	08’ 02”
JW32-1	4.7	0.009448	14	14’ 31”
805-3	7.7	0.00141	15.19	46’ 02”
805-4	7.9	0.00075	28.5	107’ 00”
JW32-4	4.3	0.00109	35.83	121’ 7”