Page 161 - Formulas and Calculations for Petroleum Engineering

154 Formulas and calculations for petroleum engineering

Output(s)

v tb : Traveling Block Velocity (fpm)

Formula(s)

v f
v ¼
tb
n
Reference: Samuel. E Robello. 501 Solved Problems and Calculations for Drilling Operations. Sigma Quadrant. 2015.
Houston, Texas, Page: 10.

2.192 Rock removal rate

Input(s)
d b : Bit Diameter (in.)
R: Penetration Rate (ft/h)

Output(s)

q r : Rock Removal Rate (SCF/min)

Formula(s)

2 2
ð
p d R 12Þ d R
b
b
q ¼ ¼
r
ð
ð
4 1;728Þ 60Þ 11000
Reference: Watson, D., Brittenham, T., & Moore, P. L. (2003). Advanced Well Control (Vol. 10). Society of Petroleum
Engineers., Page: 19.
2.193 Rotating horsepower
Input(s)

T: Torque (ft lbf)
N: Speed (rpm)

Output(s)
RHP: Rotating Horsepower (hp)

Formula(s)

T N
RHP ¼
5252

Reference: Samuel. E Robello. 501 Solved Problems and Calculations for Drilling Operations. Sigma Quadrant. 2015.
Houston, Texas, Page: 46.