Mechanisms on the Injection Conformance Reversion during Polymer Flooding of Offshore Heterogeneous Heavy-Oil Reservoirs

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2021/6665858/figures/6665858.fig.005a.svgz" name="6665858.fig.005a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Apparent viscosity</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2021/6665858/figures/6665858.fig.005b.svgz" name="6665858.fig.005b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Apparent viscosity alteration rate</td></tr></table>

<div>Apparent viscosity and its alteration rate of each layer as a function of the injection pore volume.</div>

Geofluids

fig5

Figure 5

Figure 5: Mechanisms on the Injection Conformance Reversion during Polymer Flooding of Offshore Heterogeneous Heavy-Oil Reservoirs 