FA Functions - Petroleum Office

Calculates required corrosion allowance, [mm].

Calculates CO2 corrosion rate using de Waard-Milliams correlation, [mm/yr].

Calculates inhibited corrosion rate, [mm/yr].

Calculates CO2 fugacity for accurate corrosion predictions, [psi].

Calculates CO2 partial pressure from total pressure and mole fraction, [psi].

Returns corrosion severity classification (Low/Medium/High/Severe).

Returns recommended C factor based on service conditions, [dimensionless].

Calculates minimum pipe diameter to avoid erosion, [in].

Calculates erosion ratio (V/Ve). Values >1.0 indicate erosion risk, [dimensionless].

Calculates gas-liquid mixture density, [lb/ft³].

Returns erosion risk classification (Low/Medium/High/Critical).

Calculates erosional velocity limit using API RP 14E, [ft/s].

Calculates mixture velocity in pipe, [ft/s].

Calculates required inhibitor concentration for target temperature depression, [wt%].

Calculates required MEG concentration for target temperature depression, [wt%].

Calculates required methanol concentration for target temperature depression, [wt%].

Calculates temperature depression from inhibitor using Hammerschmidt equation, [°F].

Calculates temperature depression from MEG using Hammerschmidt equation, [°F].

Calculates temperature depression from methanol using Hammerschmidt equation, [°F].

Calculates subcooling (hydrate formation temp minus operating temp), [°F].

Calculates MEG injection rate required, [gal/day].

Calculates methanol injection rate required, [gal/day].