Flow Assurance LAMBDAs
Hydrate prevention, corrosion prediction and erosional velocity limits.
14 lambdas
PO.FA.Hydrate.dT.SI(W, M, K)
Calculates temperature depression from inhibitor using Hammerschmidt equation, [degK] (SI units).
PO.FA.Hydrate.dT.MeOH.SI(W)
Calculates temperature depression from methanol using Hammerschmidt equation, [degK] (SI units).
PO.FA.Hydrate.dT.MEG.SI(W)
Calculates temperature depression from MEG using Hammerschmidt equation, [degK] (SI units).
PO.FA.Hydrate.dTsub.SI(T_hyd, T_op)
Calculates subcooling (hydrate formation temp minus operating temp), [degK] (SI units).
PO.FA.Hydrate.Qinj.MeOH.SI(Qw, W)
Calculates methanol injection rate required, [L/d] (SI units).
PO.FA.Hydrate.Qinj.MEG.SI(Qw, W)
Calculates MEG injection rate required, [L/d] (SI units).
PO.FA.Corrosion.CR.CO2.SI(T, pCO2)
Calculates CO2 corrosion rate using de Waard-Milliams correlation, [mm/yr] (SI units).
PO.FA.Corrosion.Pp.CO2.SI(P, yCO2)
Calculates CO2 partial pressure from total pressure and mole fraction, [kPa] (SI units).
PO.FA.Corrosion.Fug.CO2.SI(pCO2, T)
Calculates CO2 fugacity for accurate corrosion predictions, [kPa] (SI units).
PO.FA.Erosion.Ve.SI(Rho_m, C)
Calculates erosional velocity limit using API RP 14E, [m/s] (SI units).
PO.FA.Erosion.RhoMix.SI(Rho_l, Rho_g, lambda_g)
Calculates gas-liquid mixture density, [kg/m3] (SI units).
PO.FA.Erosion.Vmix.SI(Qg, QL, ID)
Calculates mixture velocity in pipe, [m/s] (SI units).
PO.FA.Erosion.Ratio.SI(V, Ve)
Calculates erosion ratio (V/Ve). Values >1.0 indicate erosion risk, [dimensionless] (SI units).
PO.FA.Erosion.Dmin.SI(Q, Ve)
Calculates minimum pipe diameter to avoid erosion, [cm] (SI units).