Initial volume required to achieve a volume with hematite
Input(s)
\(W_{1}\): Initial Mud wt. (ppg)
\(W_{2}\): Required mud wt. (ppg)
\(V_{f:} \quad\) Final Volume \((\mathrm{ppg})\)
Output(s)
\(V_{i}\): Starting Volume (bbl)
Formula(s)
\[
V_{i}=V_{f} * \frac{40-W_{2}}{40-W_{1}}
\]
Reference(s)
Formulas and Calculations for Drilling, Production and Workover, Second Edition, Lapeyrouse, Page: 84.