Drilling EngineeringDrilling HydraulicsCalculation record

Bit Nozzle Impact Force Calculator

IF=\frac{MWV_nQ}{1930}

Enter the declared drilling engineering inputs below to solve IF. 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

IF=\frac{MWV_nQ}{1930}

Reproducible default result

With the default values shown below, the calculation returns IF = 1,623.046632 lb. Defaults demonstrate the implementation; they are not recommended field values.

MWppg

V_nft/s

502

Qgpm

520

Input definitions

MW

ppg

Mud Weight

V_n

ft/s

Jet Velocity

Q

gpm

Circulation Rate

Output definitions

IF

Impact Force at Bit

MW

ppg

Mud Weight

V_n

ft/s

Jet Velocity

Q

gpm

Circulation Rate

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. 2002. Formulas and Calculations for Drilling, Production and Workover, 2nd Edition, Page 170.

Open source reference