Research Article

Dynamic Optimization of a Polymer Flooding Process Based on Implicit Discrete Maximum Principle

Table 2

Fluid data used in the example.

ParametersValues

Oil viscosity, 𝜇 𝑜 (mPa   s)50
Compressibility factors of oil, 𝐶 𝑜 (1/MPa) 5 × 1 0 6
Oil volume factor under the condition of the reference pressure, 𝐵 𝑜 𝑟 1
Aqueous phase viscosity with no polymer, 𝜇 𝑤 (mPa s)0.458
Compressibility factors of water, 𝐶 𝑤 (1/MPa) 4 . 6 × 1 0 6
Water volume factor under the condition of the reference pressure, 𝐵 𝑤 𝑟 1
Polymer absorption parameter, a (cm3/g)0.03
Polymer absorption parameter, b (L/g) 3.8
Diffusion coefficient, D (m2/s) 1 × 1 0 5
Effective pore volume coefficient, 𝑓 𝑎 1
Permeability reduction parameter, 𝑅 𝑘 𝑚 𝑎 𝑥 1.15
Permeability reduction parameter, 𝑏 𝑟 𝑘 1.2
Viscosity parameter, 𝑎 𝑝 1 15.426
Viscosity parameter, 𝑎 𝑝 2 0.4228
Viscosity parameter, 𝑎 𝑝 3 0.2749