Drilling EngineeringMud and Cementing
Cement Plug Landing Differential Pressure Formula
Cement Plug Landing Differential Pressure calculates plug landing differential pressure for mud and cementing workflows in drilling engineering.
How engineers use this formula
Use this formula when the listed inputs (P_ann, P_int) 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, P_land equals 79.692 psi.
P_annpsi
230.658
P_intpsi
150.966
Inputs
P_ann
psiAnnular Hydrostatic Pressure
P_int
psiInternal Hydrostatic Pressure
Outputs
P_land
psi
Plug Landing Differential Pressure
P_ann
psi
Annular Hydrostatic Pressure
P_int
psi
Internal Hydrostatic Pressure
Source and review
reviewedDrilling Manual. Cementing Calculations - 7 Steps & Spreadsheets.
Source