Volumes and strokes - Total strokes

Input(s)

$V_{D S}$: drill String Volume (bbl)

$V_{A V}$: Annular Volume (bbl)

O: Pump Output (bbl/stroke)

Output(s)

S: Total Strokes (Surface to Bit+Bit to Surface) (No)

Formula(s)

$$ S=\frac{V_{D S}+V_{A V}}{O} $$

Reference(s)

Formulas and Calculations for Drilling, Production and Workover, Second Edition, Lapeyrouse, Page: 104.