Research Article

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

Table 6

Experimental results of gas injection sealability evaluation at the top of 1-inch diameter plunger cores.

Core numberPorosity (%)Permeability (mD)Breakthrough pressure (MPa)Breakthrough time

85095-112.00.1226180.7109’ 42”
Bai 864-17.60.00192234.63118’ 00”
85095-29.10.2402940.3120’ 43”
Bai 864-29.10.0702716.0658’ 00”
8545-146.70.0092827.179’ 40”
8545-159.40.0136328.0344’ 24”
8545-175.80.00482913.9839’
8545-185.30.007844813’ 58”