Page 123 - Formulas and Calculations for Petroleum Engineering

116 Formulas and calculations for petroleum engineering

2.95 Gel strength—Solids build-up in system

Input(s)
V h : Hole Volume (BBL)
Z s : Solid Control Efficiency (fraction)

Output(s)

V sb : Solids Build Up (BBL)

Formula(s)

ð
V ¼ V 1 Z Þ
sb
h
s
Reference: Samuel. E Robello. 501 Solved Problems and Calculations for Drilling Operations. Sigma Quadrant. 2015.
Houston, Texas, Page: 188.

2.96 Height of cement in the annulus

Input(s)
3
V s : Slurry Volume (ft )
3
C c : Casing Capacity (ft /ft)
3
AC: Cement Remaining in Casing (ft )
E: Excess Volume (fraction)

Output(s)

H: Height of Cement in Annulus (ft)

Formula(s)

V AC + C c
s
H ¼
E
Reference: Lapeyrouse, N. J., 2002, Formulas and Calculations for Drilling, Production and Workover, Second Edition,
Gulf Professional Publishing, Page: 58.

2.97 Hydraulic horsepower

Input(s)
q: Flow Rate (gpm)
P: Pressure (psi)

Output(s)

HHP: Hydraulic Horsepower (hp)