Duplex pump output - Using rod diameter

Input(s)

$d_{\mathrm{r}}$: Rod Diameter (in.)

$1_{\mathrm{s}}$: Stroke Length (in.)

Output(s)

$\mathrm{q}_{\mathrm{o}}$: Pump Output $(\mathrm{bbl} /$ stroke $)$

Formula(s)

$$ \mathrm{q}_{\mathrm{o}}=0.000162 *\left(\mathrm{~d}_{\mathrm{r}}^{2}\right) * \mathrm{l}_{\mathrm{s}} $$

Reference(s)

Lapeyrouse, N. J., 2002, Formulas and Calculations for Drilling, Production and Workover, Second Edition, Gulf Professional Publishing, Page: 8.