Multiphase Mechanistic Models Functions
Ansari, Hasan-Kabir, Mukherjee-Brill and Aziz flow-regime-based models.
12 functions
PO.VFP.Ansari.dPdL(Ql, Qg, P, Rho_l, Ul, Bl, Rho_g, Ug, Bg, IFT_gl, Rs, pipe_ID, pipe_roughness)
Calculates pressure gradient using Ansari et al. (1994) mechanistic model, [psi/ft]. TUFFP industry standard for vertical upward flow.
PO.VFP.Ansari.Pout(Ql, Qg, P_in, T_degF, Rho_l, Ul, SG_gas, IFT_gl, pipe_ID, pipe_length, pipe_roughness)
Calculates outlet pipe pressure using Ansari et al. (1994), [psi]. Vertical wells. Gas properties (ρg, μg, Bg) use DAK (Z-factor) and LGE (viscosity).
PO.VFP.Ansari.Pin(Ql, Qg, P_out, T_degF, Rho_l, Ul, SG_gas, IFT_gl, pipe_ID, pipe_length, pipe_roughness)
Calculates inlet pipe pressure using Ansari et al. (1994), [psi]. Vertical wells. Gas properties (ρg, μg, Bg) use DAK (Z-factor) and LGE (viscosity).
PO.VFP.HasanKabir.dPdL(Ql, Qg, P, Rho_l, Ul, Bl, Rho_g, Ug, Bg, IFT_gl, Rs, pipe_ID, pipe_roughness, pipe_angle)
Calculates pressure gradient using Hasan-Kabir (1988) mechanistic model, [psi/ft]. For deviated wells and annular geometry.
PO.VFP.HasanKabir.Pout(Ql, Qg, P_in, T_degF, Rho_l, Ul, SG_gas, IFT_gl, pipe_ID, pipe_length, pipe_roughness, pipe_angle)
Calculates outlet pipe pressure using Hasan-Kabir (1988), [psi]. For deviated wells. Gas properties (ρg, μg, Bg) use DAK (Z-factor) and LGE (viscosity).
PO.VFP.HasanKabir.Pin(Ql, Qg, P_out, T_degF, Rho_l, Ul, SG_gas, IFT_gl, pipe_ID, pipe_length, pipe_roughness, pipe_angle)
Calculates inlet pipe pressure using Hasan-Kabir (1988), [psi]. For deviated wells. Gas properties (ρg, μg, Bg) use DAK (Z-factor) and LGE (viscosity).
PO.VFP.MukherjeeBrill.dPdL(Ql, Qg, P, Rho_l, Ul, Bl, Rho_g, Ug, Bg, IFT_gl, Rs, pipe_ID, pipe_roughness, pipe_angle)
Calculates pressure gradient using Mukherjee-Brill (1985) correlation, [psi/ft]. For inclined wells, improvement over Beggs-Brill.
PO.VFP.MukherjeeBrill.Pout(Ql, Qg, P_in, T_degF, Rho_l, Ul, SG_gas, IFT_gl, pipe_ID, pipe_length, pipe_roughness, pipe_angle)
Calculates outlet pipe pressure using Mukherjee-Brill (1985), [psi]. For inclined wells. Gas properties (ρg, μg, Bg) use DAK (Z-factor) and LGE (viscosity).
PO.VFP.MukherjeeBrill.Pin(Ql, Qg, P_out, T_degF, Rho_l, Ul, SG_gas, IFT_gl, pipe_ID, pipe_length, pipe_roughness, pipe_angle)
Calculates inlet pipe pressure using Mukherjee-Brill (1985), [psi]. For inclined wells. Gas properties (ρg, μg, Bg) use DAK (Z-factor) and LGE (viscosity).
PO.VFP.Aziz.dPdL(Ql, Qg, P, Rho_l, Ul, Bl, Rho_g, Ug, Bg, IFT_gl, Rs, pipe_ID, pipe_roughness)
Calculates pressure gradient using Aziz et al. (1972) drift-flux model, [psi/ft]. Vertical wells, basis for mechanistic models.
PO.VFP.Aziz.Pout(Ql, Qg, P_in, T_degF, Rho_l, Ul, SG_gas, IFT_gl, pipe_ID, pipe_length, pipe_roughness)
Calculates outlet pipe pressure using Aziz et al. (1972), [psi]. Vertical wells. Gas properties (ρg, μg, Bg) use DAK (Z-factor) and LGE (viscosity).
PO.VFP.Aziz.Pin(Ql, Qg, P_out, T_degF, Rho_l, Ul, SG_gas, IFT_gl, pipe_ID, pipe_length, pipe_roughness)
Calculates inlet pipe pressure using Aziz et al. (1972), [psi]. Vertical wells. Gas properties (ρg, μg, Bg) use DAK (Z-factor) and LGE (viscosity).