Drilling EngineeringDrilling HydraulicsCalculation record

Cuttings Slip Velocity Calculator

V_s=0.45\frac{PV}{MWD_{cut}}\left(\sqrt{\frac{36800D_{cut}(DenP/MW-1)}{(PV/(MWD_{cut}))^2}+1}-1\right)

Enter the declared drilling engineering inputs below to solve V_s. 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_s=0.45\frac{PV}{MWD_{cut}}\left(\sqrt{\frac{36800D_{cut}(DenP/MW-1)}{(PV/(MWD_{cut}))^2}+1}-1\right)

Reproducible default result

With the default values shown below, the calculation returns V_s = 41.087601 ft/min. Defaults demonstrate the implementation; they are not recommended field values.

PVcP

MWppg

D_cutin

0.25

DenPppg

Input definitions

PV

Plastic Viscosity

MW

ppg

Mud Weight

D_cut

Cuttings Diameter

DenP

ppg

Cuttings Density

Output definitions

V_s

ft/min

Cuttings Slip Velocity

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

Lapeyrouse, N.J. Formulas and Calculations for Drilling, Production and Workover, 2nd Edition, Page 176.

Open source reference