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.0012a.svgz" name="6330050.fig.0012a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Interzonal diffusivity ratio</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2022/6330050/figures/6330050.fig.0012b.svgz" name="6330050.fig.0012b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Interzonal conductivity ratio</td></tr></table>

<div>New rate decline curves of an AFVW in a pore-cavity-fracture carbonate reservoir under different interzonal diffusivity ratios and interzonal conductivity ratios.</div>

Geofluids

fig12

Figure 12

Figure 12: Prediction Model of Rate Decline for Acid-Fracturing Vertical Wells in Pore-Cavity-Fracture Carbonate Reservoirs 