Petroleum & Drilling
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Triplex Pump Output

Mud volume per minute from a triplex pump's bore, stroke and speed.

Formula

Q=0.000243×D2×S×NQ = 0.000243 \times D^2 \times S \times N

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Variables

QOutput (bbl/min)
DLiner diameter (in)
SStroke length (in)
NStrokes per minute

Example

D=6, S=12, N=60: Q ≈ 6.3 bbl/min

Did You Know?

Rig crews track pump strokes to estimate exactly when circulated mud will reach the surface.

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