Production EngineeringWell Performance
Close-Ended Displacement Volume of Pipe Formula
Close-Ended Displacement Volume of Pipe calculates close-ended pipe displacement volume for well performance workflows in production engineering.
How engineers use this formula
Use this formula when the listed inputs (D_o, L) are known and the assumptions behind the cited well performance relationship match the engineering case being checked.
Assumptions
- Input values are representative for the well, reservoir, fluid, or equipment case being evaluated.
- The declared units match the field-unit constants used in the formula.
- The cited formula applies to the selected petroleum engineering workflow.
Limitations
- The calculation does not replace a full engineering model or operating procedure.
- Accuracy depends on the source correlation, assumptions, input quality, and unit consistency.
Common mistakes
- Mixing unit systems without converting the inputs.
- Using default example values as field recommendations.
- Applying the formula outside the source assumptions.
Default example
Using the default inputs, V_c equals 8.029464 bbl.
D_oin
2.875
Lft
1000
Inputs
D_o
inOutside Diameter of Pipe
L
ftPipe Length
Outputs
V_c
bbl
Close-Ended Pipe Displacement Volume
D_o
in
Outside Diameter of Pipe
L
ft
Pipe Length
Source and review
reviewedRobello, Samuel E. 2015. 501 Solved Problems and Calculations for Drilling Operations, Sigma Quadrant, Page 45.
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