Volume of liquid (oil plus water) required to prepare a desired volume of mud

Input(s)

$W_{1}$: Initial Density of oil water mix (ppg)

$W_{2}$: Desired Density of oil water mix (ppg)

DV: Desired Volume (bbl)

Output(s)

SV: Starting Volume Of Liquid (Oil Plus Water) Required To Prepare A Desired Volume Of Mud (ppg)

Formula(s)

$$ S V=\frac{35-W_{2}}{35-W_{1}} * D V $$

Reference(s)

Formulas and Calculations for Drilling, Production and Workover, Second Edition, Lapeyrouse, Page: 88.