Increase mud density by hematite

Input(s)

$W_{1}$: Initial Mud wt. (ppg)

$W_{2}$: Required mud wt. (ppg)

Output(s)

B: Sacks of Hematite required per $100 \mathrm{bbl}$ (stroke/100bbl)

Formula(s)

$$ B=1680 * \frac{W_{2}-W_{1}}{40-W_{2}} $$

Reference(s)

Formulas and Calculations for Drilling, Production and Workover, Second Edition, Lapeyrouse, Page: 84.