Page 311 - Formulas and Calculations for Petroleum Engineering

304 Formulas and calculations for petroleum engineering

Output(s)

q max : Maximum Flow Rate (stb/d)

Formula(s)

q
q ¼
max 2
P w P w
1 0:2 0:8
P P

Reference: Boyun, G., William, C., & Ali Ghalambor, G. (2007). Petroleum Production Engineering: A Computer-Assisted
Approach, Page: 3/34.

5.108 Maximum velocity of a falling film
Input(s)

3
r: Density (kg/m )
2
g: Gravitational Acceleration (m/s )
d: Film Thickness (m)
b: Angle of Inclination w.r.t. Direction of Gravity (rad)
m: Viscosity (kg/(ms))

Output(s)

V zmax : Maximum Velocity (m/s)

Formula(s)

2

r g d cos bðÞ
V ¼
zmax
2 m
Reference: Bird, R.B., Stewart, W.E. and Lightfoot, E.N. (2002). Transport Phenomena (Second Ed.). John Wiley & Sons,
Chapter: 2, Page: 45.

5.109 Maximum velocity of flow through a circular tube

Input(s)

p o : Pressure at Initial Point (Pa)
p L : Pressure at Point L (Pa)
R: Radius (m)
m: Viscosity (kg/(ms))
L: Length (m)

Output(s)

v zmax : Maximum Velocity (m/s)