Area below the casing shoe

Input(s)

$\mathrm{D}_{\mathrm{c}}$: Casing Diameter (in.)

Output(s)

A: Area Below Shoe (in. ${ }^{2}$ )

Formula(s)

$$ \mathrm{A}=\mathrm{D}_{\mathrm{c}}^{2} * 0.7854 $$

Reference(s)

Lapeyrouse, N. J., 2002, Formulas and Calculations for Drilling, Production and Workover, Second Edition, Gulf Professional Publishing, Page: 67.