Category
RP
30 functions
PO.RP.Load.FluidLoad
Calculates fluid load on plunger, [lb].
PO.RP.Load.MPRL
Calculates Minimum Polished Rod Load using API 11L method, [lb].
PO.RP.Load.MPRL.Simple
Calculates simplified MPRL (static, no dynamic effects), [lb].
PO.RP.Load.PPRL
Calculates Peak Polished Rod Load using API 11L method, [lb].
PO.RP.Load.PPRL.Simple
Calculates simplified PPRL (static, no dynamic effects), [lb].
PO.RP.Load.Range
Calculates polished rod load range (PPRL - MPRL), [lb].
PO.RP.Pump.Disp.Eff
Calculates effective pump displacement accounting for fillage, [bbl/d].
PO.RP.Pump.Displacement
Calculates theoretical pump displacement, [bbl/d].
PO.RP.Pump.Displacement.FromDiameter
Calculates theoretical pump displacement from plunger diameter, [bbl/d].
PO.RP.Pump.Fillage
Calculates pump fillage from actual and theoretical production, [fraction].
PO.RP.Pump.PIP
Calculates pump intake pressure (PIP), [psi].
PO.RP.Pump.Psub
Calculates submergence pressure from fluid column height, [psi].
PO.RP.Pump.Stroke.Eff
Calculates effective plunger stroke from surface stroke and stretch, [in].
PO.RP.Pump.VolEff
Calculates volumetric efficiency of the pump system, [fraction].
PO.RP.Rod.Area
Calculates rod cross-sectional area from diameter, [in²].
PO.RP.Rod.MaxStress
Calculates maximum rod stress from peak load, [psi].
PO.RP.Rod.MinStress
Calculates minimum rod stress from minimum load, [psi].
PO.RP.Rod.StressRange
Calculates rod stress range (fatigue indicator), [psi].
PO.RP.Rod.Stretch.FluidLoad
Calculates rod stretch due to fluid load, [in].
PO.RP.Rod.Stretch.RodWeight
Calculates rod stretch due to rod weight (self-weight stretch), [in].
PO.RP.Rod.Stretch.Total
Calculates total static rod stretch (fluid load + self-weight), [in].
PO.RP.Rod.Wair
Calculates rod string weight in air, [lb].
PO.RP.Rod.Wbuoy
Calculates buoyant rod string weight (weight in fluid), [lb].
PO.RP.Rod.Wft
Calculates rod weight per foot for a given diameter, [lb/ft].
PO.RP.Torque.Adjustment
Calculates counterbalance adjustment needed, [lb]. Positive = add weight.
PO.RP.Torque.IdealCBE
Calculates ideal counterbalance effect from rod weight and fluid load, [lb].
PO.RP.Torque.IdealCBE.Loads
Calculates ideal counterbalance effect from PPRL and MPRL, [lb].
PO.RP.Torque.Net
Calculates net gearbox torque at a given crank angle, [in-lb].
PO.RP.Torque.Peak
Calculates estimated peak net torque (simplified), [in-lb].
PO.RP.Torque.PRHP
Calculates polished rod horsepower, [HP].