Triplex pump factor

Input(s)

$D_{L}$: Piston diameter (in.)

$L_{s}$: Stroke length (in.)

Output(s)

$P F_{t}$: Triplex pump factor (bbl/stroke)

Formula(s)

$$ P F_{t}=\frac{3 * 3.1415 * D_{L}^{2} * L_{s}}{4 * 9702} $$

Reference(s)

Samuel E. Robello. 501 Solved Problems and Calculations for Drilling Operations. Sigma Quadrant. 2015. Houston, Texas, Page: 48.