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. 2021 Apr 14;6(16):11068–11076. doi: 10.1021/acsomega.1c01038

Table 1. Parameters and Results of Sandpack Displacement Tests.

          oil recovery/(%)
test no. porosity/(%) permeability/(10–3 μm2) initial oil saturation/(%) chemical flooding system water flooding chemical flooding final recovery
1 39.8 1406 86.4 0.1% CDEA 43.6 6.6 50.2
2 42.3 1370 82.4 0.1% CDEA + 0.05% SiO2 41.4 16.8 58.2