Capacity formulas - gal/ft

Input(s)

$\mathrm{d}_{\mathrm{h}}$: Inside Diameter of Casing (in.)

$\mathrm{d}_{\mathrm{p}}$: Outside Diameter of Casing (in.)

Output(s)

AC: Annular Capacity (gal/ft)

Formula(s)

Reference(s)

Lapeyrouse, N. J., 2002, Formulas and Calculations for Drilling, Production and Workover, Second Edition, Gulf Professional Publishing, Page: 12.