Preparation of Oil-Based Foam Gel with Nano-SiO<sub>2</sub> as Foam Stabilizer and Evaluation of Its Performance as a Plugging Agent for Fractured Shale

<div>Experiment 11 plugging pressure change.</div>

Geofluids

fig18

Figure 18

Figure 18: Preparation of Oil-Based Foam Gel with Nano-SiO<sub>2</sub> as Foam Stabilizer and Evaluation of Its Performance as a Plugging Agent for Fractured Shale 

Figure 18 | Preparation of Oil-Based Foam Gel with Nano-SiO2 as Foam Stabilizer and Evaluation of Its Performance as a Plugging Agent for Fractured Shale 