Drilling EngineeringDrilling HydraulicsCalculation record

Annular Volume Capacity of Pipe Calculator

V_a=\frac{0.7854(D_h^2-D_o^2)L}{808.5}

Enter the declared drilling engineering inputs below to solve V_a. Variable definitions, units, the default calculation, and the available source trail are included on this page.

Tabular solver

Extended guidance in preparation

What is available in this record

This record provides the functioning calculator, formula, declared variables and units, a reproducible default result, and the available citation metadata. A separately written engineering interpretation has not yet been published for this calculation.

Formula reference

Formula, variables, and default calculation

V_a=\frac{0.7854(D_h^2-D_o^2)L}{808.5}

Reproducible default result

With the default values shown below, the calculation returns V_a = 45.9 bbl. Defaults demonstrate the implementation; they are not recommended field values.

D_hin

8.5

D_oin

Lft

1000

Input definitions

D_h

Hole or casing inside diameter

D_o

Pipe outside diameter

L

Pipe length

Output definitions

V_a

bbl

Annular volume capacity

D_h

Hole or casing inside diameter

D_o

Pipe outside diameter

L

Pipe length

Source and record status

Source metadata identifies the relationship implemented by the calculator. Check the cited edition, unit basis, and scope against the engineering case before operational use.

reviewed

501 Solved Problems and Calculations for Drilling Operations, Robello, S.E. (2015)

Samuel, E. Robello. 501 Solved Problems and Calculations for Drilling Operations, Sigma Quadrant, Houston, Texas, 2015, Page 44.

Open source reference