Hagedorn-Brown Vertical Multiphase Flow Calculator
Industry-standard correlation (SPE-940-PA, 1965) for calculating pressure gradients in vertical gas wells. Includes Griffith bubble flow modification, dimensionless group analysis, and liquid holdup prediction per GPSA/API practices.
Well Geometry
in
ft
deg
°F
Primarily for vertical wells
Production Data
bbl/day
Mscfd
%
psia
Note: At separator conditions
Fluid Properties
°API
-
lb/ft³
lb/ft³
cP
dyne/cm
Key Equations:
NLV = 1.938 × vSL × (ρL/σ)0.25
HL/ψ = f(H, B) per H-B charts
📚 Learn the Theory
Understand vertical multiphase flow, pressure gradients, and gas well performance