Research Article
The Effect of Rheology of Viscoelastic Polymer on Pressure Transient Response in Near-Wellbore Regions
Table 2
The basic parameters of the reservoir.
| Parameters | Values |
| Initial reservoir pressure, MPa | 20 | Well radius, m | 0.07 | Wellbore storage constant, m3/MPa | 0.1 | Porosity, fraction | 0.3 | Rock compressibility, MPa-1 | 0.001 | Initial water saturation, fraction | 0.65 | Initial oil saturation, fraction | 0.35 | Oil viscosity, mPa·s | 7.41 | Oil compressibility, MPa-1 | 0.001 | Oil volume factor, m3/m3 | 1 | Water compressibility, MPa-1 | 0.0002 | Water volume factor, m3/m3 | 1 | Initial polymer concentration, kg/m3 | 0 | Saturated adsorbed concentration of polymer, kg/m3 | 0.00005 | Constant parameter (), unitless | 2.27 | Maximum permeability reduction factor, unitless | 1.84 |
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