Page 119 - Formulas and Calculations for Petroleum Engineering

112 Formulas and calculations for petroleum engineering

Output(s)

V: Fluid Volume Required (bbl)

Formula(s)

V ¼ L L C V
t p t s
Reference: Lapeyrouse, N. J., 2002, Formulas and Calculations for Drilling, Production and Workover, Second Edition,
Gulf Professional Publishing, Page: 62.

2.86 Force applied to stretch material

Input(s)
2
A: Area (m )
2
E: Young (N/m )
L a : New Length (m)
L b : Old Length (m)

Output(s)
F: Force (N)

Formula(s)

L L b
a
F ¼ A E
L b
Reference: Samuel. E Robello. 501 Solved Problems and Calculations for Drilling Operations. Sigma Quadrant. 2015.
Houston, Texas, Page: 350.

2.87 Force exerted by the fluid on the solid surface of flow through an annulus

Input(s)
R: Radius (m)
1
2
K: Boltzmann Constant (m kg s 2 K )
po: Pressure at initial point (Pa)
pL: Pressure at point L (Pa)

Output(s)

Fz: Force (Newton)

Formula(s)

2

Fz ¼ p R 1 K 2 po pLð Þ
Reference: Wikipedia.org.