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Questions and Answers
Why is it important to treat produced water in oilfield surface facilities?
Why is it important to treat produced water in oilfield surface facilities?
- To facilitate the removal of oil droplets carried over from separators
- To increase the concentration of dissolved solids in the solution
- To avoid damage to the formation caused by oil in injection water
- To prevent plugging in the formation if injected with the water (correct)
What is the limit for oil in water discharged to the sea as per environmental regulations?
What is the limit for oil in water discharged to the sea as per environmental regulations?
- 80 mg/liter (ppm)
- 60 mg/liter (ppm)
- 40 mg/liter (ppm) (correct)
- 20 mg/liter (ppm)
What is the potential impact of increased concentration of dissolved solids in produced water?
What is the potential impact of increased concentration of dissolved solids in produced water?
- Increased risk of precipitation causing scaling in plant equipment and pipes (correct)
- Enhanced oil removal from separators
- Reduced risk of scaling in plant equipment and pipes
- Decreased tendency to precipitate out of the solution
What can suspended oil in injection water potentially cause?
What can suspended oil in injection water potentially cause?
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Where can suspended solids in produced water originate from?
Where can suspended solids in produced water originate from?
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