e) Calculate how much oil, water and barite are required to make exactly 300 bbl of 15 ppg oil mud with 80/20 oil/water ratio. f) Calculate how much oil will have to be added to change the oil/water ratio of 100 bbl of 80/20 oil mud to 90/10. g) If the same 80/20 mud is to be changed to 75/25 oil water ratio, calculate how much water will have to be added Retort Analysis: Oil : 64 %, Water 16 % and Solids: 20 %