Formula 9.36
Yield of clays as drilling fluids
Input(s)
$M_{\text {clay }}$: Weight of Clay used per barrel of mud with $15 \mathrm{cP}$ Apparent Viscosity (tonnes/bbl)
Output(s)
$E_{\text {clay }}$: Efficiency of Selected Clay (bbl/tonnes)
Formula(s)
$$ \mathrm{E}_{\text {clay }}=\frac{1}{\mathrm{M}_{\text {clay }}} $$
Reference(s)
Altun, G., Drilling Fluids Lab, Course Notes, ITU Petroleum and Natural Gas Engineering, Istanbul, Turkey, 2013-2014. Experiment 1, Page: 9.