Vertical Flow Performance LAMBDAs
38 lambdas
PO.VFP.Ansari.dPdL.SI
Calculates pressure gradient using Ansari et al. (1994) mechanistic model, [kPa/m]. TUFFP industry standard for vertical upward flow (SI units).
PO.VFP.Ansari.Pin.SI
Calculates inlet pipe pressure using Ansari et al. (1994) mechanistic model, [kPa]. TUFFP industry standard for vertical upward flow (SI units).
PO.VFP.Ansari.Pout.SI
Calculates outlet pipe pressure using Ansari et al. (1994), [kPa]. Vertical wells. Gas properties (ρg, μg, Bg) use DAK (Z-factor) and LGE (viscosity) (SI units).
PO.VFP.Aziz.dPdL.SI
Calculates pressure gradient using Aziz et al. (1972) drift-flux model, [kPa/m]. Vertical wells, basis for mechanistic models (SI units).
PO.VFP.Aziz.Pin.SI
Calculates inlet pipe pressure using Aziz et al. (1972), [kPa]. Vertical wells. Gas properties (ρg, μg, Bg) use DAK (Z-factor) and LGE (viscosity) (SI units).
PO.VFP.Aziz.Pout.SI
Calculates outlet pipe pressure using Aziz et al. (1972), [kPa]. Vertical wells. Gas properties (ρg, μg, Bg) use DAK (Z-factor) and LGE (viscosity) (SI units).
PO.VFP.BeggsBrill.dPdL.SI
Calculates pressure gradient for multiphase pipe flow using Beggs and Brill (1973) correlation, [kPa/m]. Can be applied for any wellbore inclination and flow direction (SI units).
PO.VFP.BeggsBrill.Pin.SI
Calculates inlet pipe pressure using Beggs and Brill (1973), [kPa]. For any wellbore inclination. Gas properties (ρg, μg, Bg) use DAK (Z-factor) and LGE (viscosity) (SI units).
PO.VFP.BeggsBrill.Pout.SI
Calculates outlet pipe pressure using Beggs and Brill (1973), [kPa]. For any wellbore inclination. Gas properties (ρg, μg, Bg) use DAK (Z-factor) and LGE (viscosity) (SI units).
PO.VFP.DunsRos.dPdL.SI
Calculates pressure gradient using Duns and Ros (1963) correlation, [kPa/m]. For vertical gas wells with liquid, high GOR wells (SI units).
PO.VFP.DunsRos.Pin.SI
Calculates inlet pipe pressure using Duns and Ros (1963), [kPa]. Vertical gas wells. Gas properties (ρg, μg, Bg) use DAK (Z-factor) and LGE (viscosity) (SI units).
PO.VFP.DunsRos.Pout.SI
Calculates outlet pipe pressure using Duns and Ros (1963), [kPa]. Vertical gas wells. Gas properties (ρg, μg, Bg) use DAK (Z-factor) and LGE (viscosity) (SI units).
PO.VFP.Gas.Pin.SI
Calculates inlet pipe pressure for single phase pipe flow of gas (compressible fluid), [kPa] (SI units).
PO.VFP.Gas.Pout.SI
Calculates outlet pipe pressure for single phase pipe flow of gas (compressible fluid), [kPa] (SI units).
PO.VFP.Gas.Re.SI
Calculates Reynolds number for single phase pipe flow of gas (compressible fluid), [dimensionless] (SI units).
PO.VFP.Gray.dPdL.SI
Calculates pressure gradient for multiphase pipe flow using Gray (1974) correlation, [kPa/m]. Commonly used for gas wells that are also producing liquid (SI units).
PO.VFP.Gray.Pin.SI
Calculates inlet pipe pressure using Gray (1974), [kPa]. For gas wells producing liquid. Gas properties (ρg, μg, Bg) use DAK (Z-factor) and LGE (viscosity) (SI units).
PO.VFP.Gray.Pout.SI
Calculates outlet pipe pressure using Gray (1974), [kPa]. For gas wells producing liquid. Gas properties (ρg, μg, Bg) use DAK (Z-factor) and LGE (viscosity) (SI units).
PO.VFP.HagedornBrown.dPdL.SI
Calculates pressure gradient for multiphase pipe flow using Hagedorn and Brown (1965) correlation with Griffith modification, [kPa/m]. Developed for vertical, upward flow and recommended only for near-vertical wellbores (SI units).
PO.VFP.HagedornBrown.Pin.SI
Calculates inlet pipe pressure using Hagedorn and Brown (1965), [kPa]. For vertical/near-vertical wells. Gas properties (ρg, μg, Bg) use DAK (Z-factor) and LGE (viscosity) (SI units).
PO.VFP.HagedornBrown.Pout.SI
Calculates outlet pipe pressure using Hagedorn and Brown (1965), [kPa]. For vertical/near-vertical wells. Gas properties (ρg, μg, Bg) use DAK (Z-factor) and LGE (viscosity) (SI units).
PO.VFP.HasanKabir.dPdL.SI
Calculates pressure gradient using Hasan-Kabir (1988) mechanistic model, [kPa/m]. For deviated wells and annular geometry (SI units).
PO.VFP.HasanKabir.Pin.SI
Calculates inlet pipe pressure using Hasan-Kabir (1988), [kPa]. For deviated wells. Gas properties (ρg, μg, Bg) use DAK (Z-factor) and LGE (viscosity) (SI units).
PO.VFP.HasanKabir.Pout.SI
Calculates outlet pipe pressure using Hasan-Kabir (1988), [kPa]. For deviated wells. Gas properties (ρg, μg, Bg) use DAK (Z-factor) and LGE (viscosity) (SI units).
PO.VFP.Liq.dPfrc.SI
Calculates frictional pressure drop from Fanning equation for single-phase flow of an incompressible, Newtonian fluid, [kPa] (SI units).
PO.VFP.Liq.dPgrv.SI
Calculates potential energy pressure drop for single-phase flow of an incompressible, Newtonian fluid, [kPa] (SI units).
PO.VFP.Liq.Pin.SI
Calculates inlet pipe pressure for single phase pipe flow of incompressible, Newtonian fluid, [kPa] (SI units).
PO.VFP.Liq.Pout.SI
Calculates outlet pipe pressure for single phase pipe flow of incompressible, Newtonian fluid, [kPa] (SI units).
PO.VFP.Liq.Re.SI
Calculates Reynolds number for single phase pipe flow of incompressible, Newtonian fluid, [dimensionless] (SI units).
PO.VFP.MukherjeeBrill.dPdL.SI
Calculates pressure gradient using Mukherjee-Brill (1985) correlation, [kPa/m]. For inclined wells, improvement over Beggs-Brill (SI units).
PO.VFP.MukherjeeBrill.Pin.SI
Calculates inlet pipe pressure using Mukherjee-Brill (1985), [kPa]. For inclined wells. Gas properties (ρg, μg, Bg) use DAK (Z-factor) and LGE (viscosity) (SI units).
PO.VFP.MukherjeeBrill.Pout.SI
Calculates outlet pipe pressure using Mukherjee-Brill (1985), [kPa]. For inclined wells. Gas properties (ρg, μg, Bg) use DAK (Z-factor) and LGE (viscosity) (SI units).
PO.VFP.Orkiszewski.dPdL.SI
Calculates pressure gradient using Orkiszewski (1967) correlation, [kPa/m]. Vertical wells, widely used industry standard (SI units).
PO.VFP.Orkiszewski.Pin.SI
Calculates inlet pipe pressure using Orkiszewski (1967), [kPa]. Vertical wells. Gas properties (ρg, μg, Bg) use DAK (Z-factor) and LGE (viscosity) (SI units).
PO.VFP.Orkiszewski.Pout.SI
Calculates outlet pipe pressure using Orkiszewski (1967), [kPa]. Vertical wells. Gas properties (ρg, μg, Bg) use DAK (Z-factor) and LGE (viscosity) (SI units).
PO.VFP.PoettmannCarpenter.dPdL.SI
Calculates pressure gradient using Poettmann-Carpenter (1952), [kPa/m]. Historical no-slip method for high-rate dispersed bubble flow (SI units).
PO.VFP.PoettmannCarpenter.Pin.SI
Calculates inlet pipe pressure using Poettmann-Carpenter (1952), [kPa]. No-slip method. Gas properties (ρg, μg, Bg) use DAK (Z-factor) and LGE (viscosity) (SI units).
PO.VFP.PoettmannCarpenter.Pout.SI
Calculates outlet pipe pressure using Poettmann-Carpenter (1952), [kPa]. No-slip method. Gas properties (ρg, μg, Bg) use DAK (Z-factor) and LGE (viscosity) (SI units).