Prediction Model of Rate Decline for Acid-Fracturing Vertical Wells in Pore-Cavity-Fracture Carbonate Reservoirs

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2022/6330050/figures/6330050.fig.003a.svgz" name="6330050.fig.003a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>An acid fracturing vertical well in a pore-cavity-fracture composite carbonate reservoir</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2022/6330050/figures/6330050.fig.003b.svgz" name="6330050.fig.003b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>A compound reservoir model with two concentric zones (inner zone and outer zone)</td></tr><tr class="fig-image" id="c"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2022/6330050/figures/6330050.fig.003c.svgz" name="6330050.fig.003c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>A sectional view of fluid transport in the compound model</td></tr></table>

<div>Schematic diagram of a compound flow model of acid fracturing vertical well in a pore-cavity-fracture carbonate reservoir.</div>

Geofluids

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Figure 3

Figure 3: Prediction Model of Rate Decline for Acid-Fracturing Vertical Wells in Pore-Cavity-Fracture Carbonate Reservoirs 