Gas-oil

      Q1) Choose an appropriate two phase (gas-oil) vertical separator size (as per API 12J) for an application with the following input parameters: [5 Marks] Q2) The presence of oxygen concentrations greater than 5 ppb in waterflood operations can cause severe corrosion and plugging of the formation by corrosion products. Three main Input Parameters 𝑸𝒈 420 scf/s 𝑸𝒐 5900 bbl/d 𝜸𝒈 0.70 𝑂𝑖𝑙 𝑠𝑎𝑚𝑝𝑙𝑒 𝑚𝑎𝑠𝑠 980 grams Oil sample volume 1150 cm3 P 6300 kPa T 27 °C MW 20.1 lb/lb mole Z 0.86 K 0.31 ft/s H 10 ft 𝑵𝑳𝑳 38 % processes can remove oxygen. Write a descriptive paragraph for each of the following processes: • Gas stripping • Chemical treatment • Vacuum De-aeration. [6 Marks] Q3) There are suspended solids in produced fluids such as scale deposits, corrosion products, sand and fines. There are several types of processes that have been developed for solids removal. Describe each of the following processes each in a separate paragraph: • Diatomaceous Earth (DE) Filters. • Cartridge Filters. [4 Marks]