Rod Pump LAMBDAs
30 lambdas
PO.RP.Load.FluidLoad.SI
Calculates fluid load on plunger, [N] (SI units).
PO.RP.Load.MPRL.SI
Calculates Minimum Polished Rod Load using API 11L method, [N] (SI units).
PO.RP.Load.MPRL.Simple.SI
Calculates simplified MPRL (static, no dynamic effects), [N] (SI units).
PO.RP.Load.PPRL.SI
Calculates Peak 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.Range.SI
Calculates polished rod load range (PPRL - MPRL), [N] (SI units).
PO.RP.Pump.Disp.Eff.SI
Calculates effective pump displacement accounting for fillage, [m3/d] (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.Fillage.SI
Calculates pump fillage from actual and theoretical production, [fraction] (SI units).
PO.RP.Pump.PIP.SI
Calculates pump intake pressure (PIP), [kPa] (SI units).
PO.RP.Pump.Psub.SI
Calculates submergence pressure from fluid column height, [kPa] (SI units).
PO.RP.Pump.Stroke.Eff.SI
Calculates effective plunger stroke from surface stroke and stretch, [cm] (SI units).
PO.RP.Pump.VolEff.SI
Calculates volumetric efficiency of the pump system, [fraction] (SI units).
PO.RP.Rod.Area.SI
Calculates rod cross-sectional area from diameter, [cm2] (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.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.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.Wft.SI
Calculates rod weight per foot for a given diameter, [kg/m] (SI units).
PO.RP.Torque.Adjustment.SI
Calculates counterbalance adjustment needed, [N]. Positive = add weight (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.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).