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.

ParametersValues

Initial reservoir pressure, MPa20
Well radius, m0.07
Wellbore storage constant, m3/MPa0.1
Porosity, fraction0.3
Rock compressibility, MPa-10.001
Initial water saturation, fraction0.65
Initial oil saturation, fraction0.35
Oil viscosity, mPa·s7.41
Oil compressibility, MPa-10.001
Oil volume factor, m3/m31
Water compressibility, MPa-10.0002
Water volume factor, m3/m31
Initial polymer concentration, kg/m30
Saturated adsorbed concentration of polymer, kg/m30.00005
Constant parameter (), unitless2.27
Maximum permeability reduction factor, unitless1.84