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Geofluids
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2024
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Article
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Tab 5
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Research Article
Numerical Simulation of Time-Varying Characteristics in a High-Permeability Sandstone Reservoir: A Case of Gaoqian Southern Area
Table 5
Changes in porosity and permeability before and after water flooding.
Lithofacies
Free period
Extra high water cut stage
Multiple
Por (%)
Perm (mD)
Por (%)
Perm (mD)
Por
Perm
Fine sandstone facies
21.6
363
29.4
2453
1.36
6.8
Middle sandstone facies
26.1
1189
32
4140
1.23
3.5