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

<div>Distribution profile of residual oil along main stream line at the end of the ASP main slug stage under different polymer preslug viscosity, (a) the polymer preslug viscosity is 40 mPa·s; (b) the polymer preslug viscosity is 60 mPa·s; (c) the polymer preslug viscosity is 80 mPa·s.</div>

Geofluids

fig17

Figure 17

Figure 17: Experimental Study on Optimization of Polymer Preslug Viscosity of ASP Flooding in Interlayer Heterogeneous Well Group Artificial Sandstone Core 

Figure 17 | Experimental Study on Optimization of Polymer Preslug Viscosity of ASP Flooding in Interlayer Heterogeneous Well Group Artificial Sandstone Core 