Percentage of bit nozzle pressure loss
Input(s)
\(\mathrm{P}_{\mathrm{b}}\): Jet Pressure Nozzle (psi)
P: Surface Pressure (psi)
Output(s)
\(\% \psi \mathrm{b}\): Percent Pressure Loss (fraction)
Formula(s)
\[
\% \psi \mathrm{b}=\left(\frac{\mathrm{P}_{\mathrm{b}}}{\mathrm{P}}\right) * 100
\]
Reference(s)
Lapeyrouse, N. J., 2002, Formulas and Calculations for Drilling, Production and Workover, Second Edition, Gulf Professional Publishing, Page: 165.