Total number of sacks of tail cement required

Input(s)

$\mathrm{N}_{\mathrm{a}}$: Sacks Required by Annulus (unitless)

$\mathrm{N}_{\mathrm{c}}$: Sacks Required by Casing (unitless)

Output(s)

N: Total Number of Sacks of Tail Cement Required (unitless)

Formula(s)

$$ \mathrm{N}=\mathrm{N}_{\mathrm{a}}+\mathrm{N}_{\mathrm{c}} $$

Reference(s)

Lapeyrouse, N. J., 2002, Formulas and Calculations for Drilling, Production and Workover, Second Edition, Gulf Professional Publishing, Page: 55.