Page 137 - Formulas and Calculations for Petroleum Engineering

130 Formulas and calculations for petroleum engineering

Output(s)

C o : Annular Linear Capacity of Pipe (bbl/ft)

Formula(s)

2 2
0:7854 ð D Þ ð D Þ
h o
C ¼
o
808:5
Reference: Samuel. E Robello. 501 Solved Problems and Calculations for Drilling Operations. Sigma Quadrant. 2015.
Houston, Texas, Page: 44.

2.130 Linear capacity of pipe

Input(s)
D i : Inside Diameter of Pipe (in.)

Output(s)
C i : Linear Capacity of Pipe (bbl/ft)

Formula(s)

2
D
0:7854 ðÞ
i
C ¼
i
808:5
Reference: Samuel. E Robello. 501 Solved Problems and Calculations for Drilling Operations. Sigma Quadrant. 2015.
Houston, Texas, Page: 44.
2.131 Load to break cement bond—Cementing

Input(s)

S c : Compressive Strength (psi)
d: Outside Diameter of Casing (in.)
H: Height of Cement Column (ft)

Output(s)
F: Force or Load to Break Cement Bond (lbm)

Formula(s)

F ¼ 0:969 S d H
c

Reference: Suman Jr, G. O., & Ellis, R. C. (1977). Cementing handbook. World Oil, Page: 6.