## Weightup calculations final volume specified

Use the following formulas to calculate a starting volume of mud and amount of weight material required to increase the density of a drilling fluid when the final volume is specified. VI is the starting volume of mud, bbl pWM is the specific gravity of the weight material WF is the desired mud weight, lb gal WI is the starting mud weight, lb gal VD is the desired final volume, bbl B is the weight material to add, lb Formulas for calculating material requirements to decrease mud weight

## Weightup calculations volume increase tolerated

Use the following formulas to calculate the amount of weight material required to increase the density of a drilling fluid when a volume increase can be tolerated. B is the weight material to add, lb Vj is the starting volume of mud, bbl pWM is the specific gravity of the weight material WF is the desired mud weight, lb gal W is the starting mud weight, lb gal V is the volume increase, bbl

## Decrease mud weight final volume specified

Use the following formula to calculate the starting volume of mud and a volume of dilution fluid required to decrease the density of a drilling fluid when the final volume is specified. Vj is the starting volume of mud, bbl pDF is the specific gravity of the dilution fluid WF is the desired mud weight, lb gal Wj is the starting mud weight, lb gal VD is the desired final volume, bbl VDF is the volume of dilution fluid to add, bbl Formulas for calculating material requirements to change Use the...

## Decrease mud weight volume increase tolerated

Use the following formula to calculate the volume of dilution fluid required to decrease the density of a drilling fluid when a volume increase can be tolerated. VDF is the volume of dilution fluid required, bbl Vi is the starting volume of mud, bbl Wi is the starting mud weight, lb gal WF is the final mud weight, lb gal pDF is the specific gravity of the dilution fluid