Forchheimer Non-Darcy Flow Gradient Calculator
Petroleum reservoir engineering & high-rate gas wells: Compute the non-Darcy coefficient ($\beta$), viscous vs inertial pressure gradients, Forchheimer number ($Fo$), and critical Darcy velocity limit ($v_c$).
Formation & Fluid Parameters
High near-wellbore perforation face
75 kg/m³ = natural gas at 100 bar
1 cP = 10⁻³ Pa·s
Forchheimer Gradient & Inertial Ratio
Total Gradient -dP/dx:
--
bar / meter
Forchheimer Number Fo:
--
inertial / viscous ratio
Beta Factor β:
--
m⁻¹ (non-Darcy coeff)
Critical Velocity v_c:
--
m / s (at Fo = 0.05)
Darcy Viscous Pct:
--
% of total drag
Component Comparison
Darcy Viscous Gradient (μv/k):
-- bar/m
Non-Darcy Inertial Gradient (βρv²):
-- bar/m
Flow Regime:
--
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