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Drill Science Volume Calculations

Capacity Calculations

Capacity of Pipe: Ap = (π/4) x d2
Capacity of Annulus: Aa = (π/4) x [(d2)2 - (d1)2]
Displacement of Pipe: As = (π/4) x [(d1)2 - (d)2]
Variable Value
d
d1
d2
length
Capacity Type bbl/ft ft3/ft bbl ft3
Capacity of Pipe
Capacity of Annulus
Displacement of Pipe