Artificial Lift LAMBDAs
Electric submersible pumps, gas lift and rod pumping.
87 lambdas
PO.ESP.Head.FromPressure.SI
Converts pressure to head using fluid specific gravity, [m] (SI units).
PO.ESP.Head.ToPressure.SI
Converts head to pressure using fluid specific gravity, [kPa] (SI units).
PO.ESP.Head.Static.SI
Calculates static head from vertical depth, [m] (SI units).
PO.ESP.Head.PressureAtDepth.SI
Calculates pressure at depth given surface pressure, [kPa] (SI units).
PO.ESP.TDH.SI
Calculates Total Dynamic Head for ESP sizing, [m] (SI units).
PO.ESP.TDH.Full.SI
Extended TDH calculation with IPR-based PIP, [m] (SI units).
PO.ESP.TDH.NetLift.SI
Calculates net vertical lift (pump depth minus fluid level), [m] (SI units).
PO.ESP.HydraulicHP.SI
Calculates theoretical hydraulic horsepower (bbl/d basis), [kW] (SI units).
PO.ESP.HydraulicHP.GPM.SI
Calculates theoretical hydraulic horsepower (gpm basis), [kW] (SI units).
PO.ESP.BrakeHP.SI
Calculates brake horsepower accounting for pump efficiency, [kW] (SI units).
PO.ESP.BrakeHP.FromRate.SI
Calculates brake horsepower directly from rate and head, [kW] (SI units).
PO.ESP.Stages.SI
Calculates required number of pump stages (rounded up), [stages] (SI units).
PO.ESP.Stages.Actual.SI
Returns exact (non-rounded) stage count for sensitivity analysis, [stages] (SI units).
PO.ESP.Pump.TotalHead.SI
Calculates total head from number of stages, [m] (SI units).
PO.ESP.Pump.TotalPower.SI
Calculates total power from number of stages, [kW] (SI units).
PO.ESP.Pump.Efficiency.SI
Calculates pump efficiency from hydraulic and brake HP, [fraction] (SI units).
PO.ESP.Pump.Pdis.SI
Calculates pump discharge pressure, [kPa] (SI units).
PO.ESP.Gas.Qg.Free.SI
Calculates free gas rate at pump intake conditions, [m3/d] (SI units).
PO.ESP.Gas.Ql.Total.SI
Calculates total liquid rate at pump intake, [m3/d] (SI units).
PO.ESP.Gas.Void.SI
Calculates gas void fraction at pump intake, [fraction] (SI units).
PO.ESP.Gas.Void.Full.SI
Complete gas void fraction calculation from field data, [fraction] (SI units).
PO.ESP.Gas.RhoMix.SI
Calculates gas-liquid mixture density, [kg/m3] (SI units).
PO.ESP.Gas.Turpin.Factor.SI
Calculates Turpin gas handling factor, [dimensionless] (SI units).
PO.ESP.Gas.Sep.Eff.SI
Estimates rotary gas separator efficiency, [fraction] (SI units).
PO.ESP.Curve.Head.SI
Interpolates head from pump performance curve, [m/stage] (SI units).
PO.ESP.Curve.Efficiency.SI
Interpolates efficiency from pump performance curve, [fraction] (SI units).
PO.ESP.Curve.Power.SI
Interpolates power per stage from pump curve, [kW] (SI units).
PO.ESP.Curve.BEP.SI
Returns Best Efficiency Point flow rate from pump curve, [m3/d] (SI units).
PO.ESP.Curve.BEP.Eff.SI
Returns maximum efficiency value from pump curve, [fraction] (SI units).
PO.ESP.Viscosity.Head.Corr.SI
Applies viscosity correction to head, [m] (SI units).
PO.ESP.Viscosity.Rate.Corr.SI
Applies viscosity correction to flow rate, [m3/h] (SI units).
PO.ESP.Motor.RequiredHP.SI
Calculates minimum motor horsepower with safety factor, [kW] (SI units).
PO.ESP.Motor.Amps.SI
Calculates motor current draw (3-phase), [A] (SI units).
PO.ESP.Motor.Amps.FromNameplate.SI
Calculates current from motor nameplate data, [A] (SI units).
PO.ESP.Motor.LoadFactor.SI
Calculates motor load as fraction of rating, [fraction] (SI units).
PO.ESP.Motor.Temp.Rise.SI
Estimates motor temperature at operating conditions, [degC] (SI units).
PO.ESP.Motor.Qcool.SI
Calculates minimum flow rate for motor cooling, [m3/d] (SI units).
PO.ESP.Cable.Resistance.SI
Returns cable resistance at temperature, [ohm/km] (SI units).
PO.ESP.Cable.Vdrop.SI
Calculates voltage drop in ESP cable (3-phase), [V] (SI units).
PO.ESP.Cable.Vdrop.Full.SI
Complete voltage drop calculation, [V] (SI units).
PO.ESP.Cable.MinSize.SI
Determines minimum cable size for voltage drop limit, [AWG] (SI units).
PO.ESP.Cable.PowerLoss.SI
Calculates power loss in cable, [kW] (SI units).
PO.ESP.Cable.PowerLoss.Pct.SI
Calculates power loss as percentage of motor power, [%] (SI units).
PO.ESP.Cable.Temperature.SI
Estimates cable temperature with current, [degC] (SI units).
PO.ESP.System.Hfric.SI
Simplified friction head calculation, [m] (SI units).
PO.ESP.Nodal.AOF.SI
Calculates Absolute Open Flow potential, [m3/d] (SI units).
PO.ESP.Nodal.Drawdown.SI
Calculates drawdown at given production rate, [kPa] (SI units).
PO.ESP.Nodal.Submergence.SI
Calculates submergence above pump intake, [m] (SI units).
PO.GL.Valve.Pdome.SI
Calculates dome pressure at depth from surface dome pressure, [kPa] (SI units).
PO.GL.Valve.TRO.SI
Calculates test rack opening pressure at 60°F, [kPa] (SI units).
PO.GL.Valve.Pvc.SI
Calculates valve closing pressure, [kPa] (SI units).
PO.GL.Valve.Spread.SI
Calculates valve spread (opening minus closing pressure), [kPa] (SI units).
PO.GL.Valve.ThornhillCraver.SI
Calculates gas throughput using Thornhill-Craver equation, [sm3/d] (SI units).
PO.GL.Inj.Pd.SI
Calculates injection gas pressure at depth, [kPa] (SI units).
PO.GL.Inj.Grad.SI
Calculates gas gradient in the annulus, [kPa/m] (SI units).
PO.GL.Inj.Qgi.SI
Calculates required gas injection rate for target GLR, [sm3/d] (SI units).
PO.GL.Inj.Eff.SI
Calculates total GLR including formation and injected gas, [sm3/sm3] (SI units).
PO.RP.Pump.Displacement.SI
Calculates theoretical pump displacement, [m3/d] (SI units).
PO.RP.Pump.Displacement.FromDiameter.SI
Calculates theoretical pump displacement from plunger diameter, [m3/d] (SI units).
PO.RP.Pump.Disp.Eff.SI
Calculates effective pump displacement accounting for fillage, [m3/d] (SI units).
PO.RP.Pump.Fillage.SI
Calculates pump fillage from actual and theoretical production, [fraction] (SI units).
PO.RP.Pump.VolEff.SI
Calculates volumetric efficiency of the pump system, [fraction] (SI units).
PO.RP.Pump.Stroke.Eff.SI
Calculates effective plunger stroke from surface stroke and stretch, [cm] (SI units).
PO.RP.Pump.Psub.SI
Calculates submergence pressure from fluid column height, [kPa] (SI units).
PO.RP.Pump.PIP.SI
Calculates pump intake pressure (PIP), [kPa] (SI units).
PO.RP.Rod.Wair.SI
Calculates rod string weight in air, [N] (SI units).
PO.RP.Rod.Wbuoy.SI
Calculates buoyant rod string weight (weight in fluid), [N] (SI units).
PO.RP.Rod.Area.SI
Calculates rod cross-sectional area from diameter, [cm2] (SI units).
PO.RP.Rod.Wft.SI
Calculates rod weight per foot for a given diameter, [kg/m] (SI units).
PO.RP.Rod.Stretch.FluidLoad.SI
Calculates rod stretch due to fluid load, [cm] (SI units).
PO.RP.Rod.Stretch.RodWeight.SI
Calculates rod stretch due to rod weight (self-weight stretch), [cm] (SI units).
PO.RP.Rod.Stretch.Total.SI
Calculates total static rod stretch (fluid load + self-weight), [cm] (SI units).
PO.RP.Rod.MaxStress.SI
Calculates maximum rod stress from peak load, [kPa] (SI units).
PO.RP.Rod.MinStress.SI
Calculates minimum rod stress from minimum load, [kPa] (SI units).
PO.RP.Rod.StressRange.SI
Calculates rod stress range (fatigue indicator), [kPa] (SI units).
PO.RP.Load.FluidLoad.SI
Calculates fluid load on plunger, [N] (SI units).
PO.RP.Load.PPRL.SI
Calculates Peak Polished Rod Load using API 11L method, [N] (SI units).
PO.RP.Load.MPRL.SI
Calculates Minimum Polished Rod Load using API 11L method, [N] (SI units).
PO.RP.Load.PPRL.Simple.SI
Calculates simplified PPRL (static, no dynamic effects), [N] (SI units).
PO.RP.Load.MPRL.Simple.SI
Calculates simplified MPRL (static, no dynamic effects), [N] (SI units).
PO.RP.Load.Range.SI
Calculates polished rod load range (PPRL - MPRL), [N] (SI units).
PO.RP.Torque.IdealCBE.SI
Calculates ideal counterbalance effect from rod weight and fluid load, [N] (SI units).
PO.RP.Torque.IdealCBE.Loads.SI
Calculates ideal counterbalance effect from PPRL and MPRL, [N] (SI units).
PO.RP.Torque.Adjustment.SI
Calculates counterbalance adjustment needed, [N]. Positive = add weight (SI units).
PO.RP.Torque.Net.SI
Calculates net gearbox torque at a given crank angle, [N.m] (SI units).
PO.RP.Torque.Peak.SI
Calculates estimated peak net torque (simplified), [N.m] (SI units).
PO.RP.Torque.PRHP.SI
Calculates polished rod horsepower, [kW] (SI units).