2 functions
PO.PVT.Co.UnSat.ByVasquezBeggs
Calculates oil compressibility using Vasquez and Beggs (1980) correlation, P > Pb, [1/psi].
PO.PVT.Co.Sat.ByVillenaLanzi
Calculates oil compressibility using Villena-Lanzi (1985) correlation, P <= Pb, [1/psi].
Can't find what you need? Request a Formula