ESP Hydraulics LAMBDAs
Head and pressure, pump performance, gas handling, curve fitting and viscosity correction.
31 lambdas
PO.ESP.Head.FromPressure.SI(P, SG)
Converts pressure to head using fluid specific gravity, [m] (SI units).
PO.ESP.Head.ToPressure.SI(H, SG)
Converts head to pressure using fluid specific gravity, [kPa] (SI units).
PO.ESP.Head.Static.SI(TVD, SG)
Calculates static head from vertical depth, [m] (SI units).
PO.ESP.Head.PressureAtDepth.SI(P_surface, TVD, SG)
Calculates pressure at depth given surface pressure, [kPa] (SI units).
PO.ESP.TDH.SI(TVD_pump, WHP, PIP, friction_head, SG)
Calculates Total Dynamic Head for ESP sizing, [m] (SI units).
PO.ESP.TDH.Full.SI(TVD_pump, WHP, P_res, PI, Q, submergence, friction_head, SG)
Extended TDH calculation with IPR-based PIP, [m] (SI units).
PO.ESP.TDH.NetLift.SI(TVD_pump, DFL)
Calculates net vertical lift (pump depth minus fluid level), [m] (SI units).
PO.ESP.HydraulicHP.SI(Q, TDH, SG)
Calculates theoretical hydraulic horsepower (bbl/d basis), [kW] (SI units).
PO.ESP.HydraulicHP.GPM.SI(Q, TDH, SG)
Calculates theoretical hydraulic horsepower (gpm basis), [kW] (SI units).
PO.ESP.BrakeHP.SI(HP_hyd, efficiency)
Calculates brake horsepower accounting for pump efficiency, [kW] (SI units).
PO.ESP.BrakeHP.FromRate.SI(Q, TDH, SG, efficiency)
Calculates brake horsepower directly from rate and head, [kW] (SI units).
PO.ESP.Stages.SI(TDH, head_per_stage)
Calculates required number of pump stages (rounded up), [stages] (SI units).
PO.ESP.Stages.Actual.SI(TDH, head_per_stage)
Returns exact (non-rounded) stage count for sensitivity analysis, [stages] (SI units).
PO.ESP.Pump.TotalHead.SI(stages, head_per_stage)
Calculates total head from number of stages, [m] (SI units).
PO.ESP.Pump.TotalPower.SI(stages, power_per_stage)
Calculates total power from number of stages, [kW] (SI units).
PO.ESP.Pump.Efficiency.SI(HP_hyd, BHP)
Calculates pump efficiency from hydraulic and brake HP, [fraction] (SI units).
PO.ESP.Pump.Pdis.SI(PIP, stages, head_per_stage, SG)
Calculates pump discharge pressure, [kPa] (SI units).
PO.ESP.Gas.Qg.Free.SI(Qo, GOR, Rs, Bg)
Calculates free gas rate at pump intake conditions, [m3/d] (SI units).
PO.ESP.Gas.Ql.Total.SI(Qo, Qw, Bo, Bw)
Calculates total liquid rate at pump intake, [m3/d] (SI units).
PO.ESP.Gas.Void.SI(Qg_intake, Ql_intake)
Calculates gas void fraction at pump intake, [fraction] (SI units).
PO.ESP.Gas.Void.Full.SI(Qo, Qw, GOR, Rs, Bo, Bw, Bg)
Complete gas void fraction calculation from field data, [fraction] (SI units).
PO.ESP.Gas.RhoMix.SI(Rho_l, Rho_g, lambda_g)
Calculates gas-liquid mixture density, [kg/m3] (SI units).
PO.ESP.Gas.Turpin.Factor.SI(P_intake, Pb)
Calculates Turpin gas handling factor, [dimensionless] (SI units).
PO.ESP.Gas.Sep.Eff.SI(Ql, lambda_g, separator_type)
Estimates rotary gas separator efficiency, [fraction] (SI units).
PO.ESP.Curve.Head.SI(Q, curve_Q, curve_Head)
Interpolates head from pump performance curve, [m/stage] (SI units).
PO.ESP.Curve.Efficiency.SI(Q, curve_Q, curve_Eff)
Interpolates efficiency from pump performance curve, [fraction] (SI units).
PO.ESP.Curve.Power.SI(Q, curve_Q, curve_HP)
Interpolates power per stage from pump curve, [kW] (SI units).
PO.ESP.Curve.BEP.SI(curve_Q, curve_Eff)
Returns Best Efficiency Point flow rate from pump curve, [m3/d] (SI units).
PO.ESP.Curve.BEP.Eff.SI(curve_Q, curve_Eff)
Returns maximum efficiency value from pump curve, [fraction] (SI units).
PO.ESP.Viscosity.Head.Corr.SI(H_water, C_H)
Applies viscosity correction to head, [m] (SI units).
PO.ESP.Viscosity.Rate.Corr.SI(Q_water, C_Q)
Applies viscosity correction to flow rate, [m3/h] (SI units).