Page 257 - Formulas and Calculations for Petroleum Engineering

250 Formulas and calculations for petroleum engineering

4.101 Volume capacity of pipe

Input(s)
D i : Inner Diameter of Pipe (in.)
L: Length of Pipe (ft)

Output(s)

V: Volume Capacity of Pipe (bbl)

Formula(s)

2
0:7854 D L
i
V ¼
808:5
Reference: Samuel. E Robello. 501 Solved Problems and Calculations for Drilling Operations. Sigma Quadrant. 2015.
Houston, Texas, Page: 44.

4.102 Volume of fluid loss per unit area measured in a dynamic test (acidizing)
Input(s)
t: Time (s)
2
3
V spt : The Spurt Volume (m /m )
v N : Fluid Loss Velocity (m/s)

Output(s)
2
3
V: Volume of Fluid Loss per Unit Ares (m /m )

Formula(s)

V ¼ V + v t
spt N

Reference: Williams, B. B., Gidley, J. L., & Schechter, R. S. (1979). Acidizing fundamentals. Henry L. Doherty Memorial
Fund of AIME, Society of Petroleum Engineers of AIME, Page: 42.

4.103 Volume of fluid loss per unit area measured in a static test (acidizing)
Input(s)
1/2
C w : Fluid Loss Coefficient, (m/s )
p ffiffi 1/2
t: Time root (s )
2
3
V spt : The Spurt Volume (m /m )
Output(s)
3
2
V: Volume of Fluid Loss per Unit Ares (m /m )