Mechanism of Enhanced Oil Recovery for In-Depth Profile Control and Cyclic Waterflooding in Fractured Low-Permeability Reservoirs

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2021/6615495/figures/6615495.fig.006a.svgz" name="6615495.fig.006a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Single cyclic waterflooding</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2021/6615495/figures/6615495.fig.006b.svgz" name="6615495.fig.006b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>In-depth profile control and cyclic waterflooding</td></tr></table>

<div>Curves of pressure and water saturation of different injected pore volumes in the matrix and fracture.</div>

Geofluids

fig6

Figure 6

Figure 6: Mechanism of Enhanced Oil Recovery for In-Depth Profile Control and Cyclic Waterflooding in Fractured Low-Permeability Reservoirs 