Experimental Study on Optimization of Polymer Preslug Viscosity of ASP Flooding in Interlayer Heterogeneous Well Group Artificial Sandstone Core

<div>Pressure field distribution at the end of the ASP main slug stage under different polymer preslug viscosity; (a) pressure field distribution in low-permeability layer; (b) pressure field distribution in medium-permeability layer; (c) pressure field distribution in high-permeability layer.</div>

Geofluids

fig15

Figure 15

Figure 15: Experimental Study on Optimization of Polymer Preslug Viscosity of ASP Flooding in Interlayer Heterogeneous Well Group Artificial Sandstone Core 

Figure 15 | Experimental Study on Optimization of Polymer Preslug Viscosity of ASP Flooding in Interlayer Heterogeneous Well Group Artificial Sandstone Core 