Page 95 - Formulas and Calculations for Petroleum Engineering

88 Formulas and calculations for petroleum engineering

Formula(s)

2
d d 2
h p
AC ¼
1029:4
Reference: Lapeyrouse, N. J., 2002, Formulas and Calculations for Drilling, Production and Work-over, Second Edition,
Gulf Professional Publishing, Page: 12.

2.31 Capacity formulas—gal/ft

Input(s)
d h : Inside Diameter of Casing (in.)
d p : Outside Diameter of Casing (in.)

Output(s)

AC: Annular Capacity (gal/ft)

Formula(s)

2
d d 2
h p
AC ¼
24:51
Reference: Lapeyrouse, N. J., 2002, Formulas and Calculations for Drilling, Production and Workover, Second Edition,
Gulf Professional Publishing, Page: 12.

2.32 Capacity of tubulars and open-hole

Input(s)

D i : Inner Diameter (in.)

Output(s)

C: Capacity of any Cylindrical Object (drillpipe, drill collars, tubing, casing, openhole) (bbl/ft)

Formula(s)

D 2 i
C ¼
1029:4

Reference: Lapeyrouse, N. J., 2002, Formulas and Calculations for Drilling, Production and Workover, Second Edition
Gulf Professional, Publishing, Page: 16.

2.33 CO solubility in oil and oil-mud emulsifiers
2
Input(s)

p: Pressure (psi)
a: Solubility Equation Constant (dimensionless)
b: Solubility Equation Constant (dimensionless)
c: Solubility Equation Constant (dimensionless)