Drilling EngineeringMud and Cementing

Cement Plug Slurry Volume from Sacks Formula

V_{slurry}=NY

Cement Plug Slurry Volume from Sacks calculates cement slurry volume for mud and cementing workflows in drilling engineering.

Calculate

How engineers use this formula

Use this formula when the listed inputs (N, Y) are known and the assumptions behind the cited mud and cementing 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_slurry equals 575 ft^3.

Nsk

500

Yft^3/sk

1.15

Inputs

N

Sacks of Cement

Y

ft^3/sk

Cement Slurry Yield

Outputs

V_slurry

ft^3

Cement Slurry Volume

N

Sacks of Cement

Y

ft^3/sk

Cement Slurry Yield

Source and review

reviewed

Lapeyrouse, N.J. 2002. Formulas and Calculations for Drilling, Production and Workover, 2nd Edition, calculations for the number of feet to be cemented.

Source