Drilling EngineeringMud and Cementing
Radial Force Related to Axial Load in Cementing Slips Formula
Radial Force Related to Axial Load in Cementing Slips calculates radial force related to axial load for mud and cementing workflows in drilling engineering.
How engineers use this formula
Use this formula when the listed inputs (F_axial, alpha_deg, mu_slip) 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, W_r equals 128,177.708922 lbf.
F_axiallbf
50000
alpha_degdeg
10
mu_slipdimensionless
0.2
Inputs
F_axial
lbfAxial Force or Load
alpha_deg
degSlip Bowl Taper Angle
mu_slip
dimensionlessSlip Friction Coefficient
Outputs
W_r
lbf
Radial Force Related to Axial Load
slip_factor
dimensionless
Radial-to-Axial Load Factor
F_axial
lbf
Axial Force or Load
Source and review
reviewedCementing Handbook, Suman Jr., G.O., Ellis, R.C. (1977)
Suman Jr., G.O. and Ellis, R.C. 1977. Cementing Handbook, World Oil, Page 18.
Source