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Questions and Answers
What is the purpose of a two-phase separator when production is mainly gas?
What is the purpose of a two-phase separator when production is mainly gas?
When production is mainly gas, and remaining liquid droplets have to be separated out, the two-phase separator can be a knockout drum (K.O. drum) to separate the gas and liquid phases.
What is the purpose of a coalescer unit in the oil separation process?
What is the purpose of a coalescer unit in the oil separation process?
The coalescer unit is used for final removal of water from the oil, reducing the water content to below 0.1%.
How does the coalescer unit work to separate water from oil?
How does the coalescer unit work to separate water from oil?
The coalescer is filled with liquid, with water at the bottom and oil on top. Internal electrodes form an electric field to break surface bonds between the conductive water and isolating oil in the oil-water emulsion.
What is the purpose of an electrostatic desalter in the oil separation process?
What is the purpose of an electrostatic desalter in the oil separation process?
Where are the electrostatic desalters typically placed in the separation process?
Where are the electrostatic desalters typically placed in the separation process?
Why is water treatment important in an installation with a high water cut?
Why is water treatment important in an installation with a high water cut?
What are the key advantages of using vertical separators or cyclones (centrifugal separation) over other types of separators?
What are the key advantages of using vertical separators or cyclones (centrifugal separation) over other types of separators?
What is the minimum pressure difference required between each stage to allow satisfactory performance in the pressure and level control loops?
What is the minimum pressure difference required between each stage to allow satisfactory performance in the pressure and level control loops?
How does the second stage separator differ from the first stage separator?
How does the second stage separator differ from the first stage separator?
What is the purpose of the oil heater located between the first and second stage separators?
What is the purpose of the oil heater located between the first and second stage separators?
Describe the function of the heat exchanger used in the second stage separator.
Describe the function of the heat exchanger used in the second stage separator.
What is the purpose of the final, third stage separator (flash drum)?
What is the purpose of the final, third stage separator (flash drum)?
What is the purpose of using three stages in the separation process?
What is the purpose of using three stages in the separation process?
Why is a large pressure reduction in a single separator not advisable?
Why is a large pressure reduction in a single separator not advisable?
What is the typical retention period in the separator?
What is the typical retention period in the separator?
What is the purpose of a baffle slug catcher at the crude entrance?
What is the purpose of a baffle slug catcher at the crude entrance?
What are the main control loops in the separator?
What are the main control loops in the separator?
What is the consequence of gas blow-by in the separator?
What is the consequence of gas blow-by in the separator?
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