Interface profiler
LevelInterfaceDensity
Overview
Separation tanks on the deck of an FPSOs contain oil and water as well as other products. Mixing hydrocarbons with water can form an emulsified layer that makes it extremely difficult for operators to detect and control the water level. This can lead to loss of hydrocarbons when the water is drained or even damage to the electrostatic grids in desalination tanks due to the salty feed water. Multi phase density profiling is required to identify the different layers, including sand, for reliable, efficient process control. Level measurement is also required to ensure redundancy.
Operating Conditions
- Measuring Task
- Level and density measurement
- Measuring Point
- Tank
- Medium
- Mixture of oil, water, emulsions and sand
- Measuring Range
- 4 m
- Temperature
- -40 … +150 °C
- Pressure
- -1 … +120 bar
Challenges
- Low dielectric constant of the medium, buildup
Benefits
- Reliable: External detectors provide a high-resolution density profile without being exposed to process conditions
- Cost effective: No shutdown required for maintenance
- User friendly: Standard instruments without PLC or special tools
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