PO.GL.Valve.ThornhillCraver(Cd, Ap, P1, P2, SG, T)

Calculates gas throughput using Thornhill-Craver equation, [Mscf/d].

PO.GL.Valve.PPE(R)

Calculates production pressure effect factor (PPEF), [dimensionless].

Can't find what you need? Request a Formula