Evaluation and Utilization of Nano-Micron Polymer Plug for Heterogeneous Carbonate Reservoir with Thief Zones

Table 2

The reservoir physical parameters.

Stratum	Oil viscosity (MPa·s)	Water viscosity (MPa·s)	Well spacing (m)	Permeability (mD)	Thickness (m)	Porosity (%)
Thief zone	5	1	200	1000	2	20.58
Matrix layer				50	50