2.29 Derive expressions for determining the amounts of barite and water that should be added to...

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2.29 Derive expressions for determining the amounts of barite and water that should be added to increase the density of 100 bbl of mud from e to p2. Also derive an expression for the in- crease in mud volume expected upon adding the barite and the water. Assume a water require- ment of I gal per sack of barite. Answer: MB =109,000 (p2-Pi)/(28.08-p2): V= MB/4,200; V=0.00091/MB. 2.29 Derive expressions for determining the amounts of barite and water that should be added to increase the density of 100 bbl of mud from e to p2. Also derive an expression for the in- crease in mud volume expected upon adding the barite and the water. Assume a water require- ment of I gal per sack of barite. Answer: MB =109,000 (p2-Pi)/(28.08-p2): V= MB/4,200; V=0.00091/MB.