Crude desalting in the oil & gas industry

Flow monitoring of crude oil and wash water

The purpose of desalting is to remove undesirable impurities in the crude oil: these are salts, water and base sediments, which can all cause problems later in the refining process. Water is present in the oil, in an emulsion mixture: salts such as calcium, sodium and magnesium chlorides are dissolved in the water. At the higher temperatures used in the refinery these could later create hydrochloric acid, which leads to corrosion in the plant. Deposits of the sediments can foul heat exchangers and cause plugging. Also metals like sodium and arsenic can poison the catalysts used in later stages.

Requirements

  • Process control
  • Contamination of the crude oil could block mechanical meters

Requirements

  • Determine amount of waste water
  • Enable process control

Requirements

  • Continuous measurement to prevent oil from entering waste waster
  • Varying levels of oil and water
  • Corrosive media

Requirements

  • Process control
  • Fluid contains traces of hydrocarbons
  • Corrosive media

Requirements

  • Determine amount of waste water
  • Enable process control

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