Episode 62 · The Facility
The Facility, Part 11: Produced Water
The online oil-in-water analyser and the laboratory disagree while an injection pump is down. Follow an ageing field’s water through droplet settling, hydrocyclones, flotation and polishing. Sampling methods, discharge monitoring, reinjection, scale, corrosion and bacteria show why the measurement location is an engineering decision. Part 11 of 16 in The Facility. Corran Point, its characters, companies and story figures are fictional and illustrative.
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See it work
Explore the working principle
Inside this episode
- Cold open: two numbers that should agree
- Why the water keeps coming
- What is actually in produced water
- The physics of getting oil out: Stokes and the droplet
- Primary treatment: hydrocyclones
- Secondary treatment: degassing and flotation
- Tertiary treatment and polishing: filters for the well
- A worked walk through the train
- Sand and solids: the gritty part
- Measuring oil in water: the tale of two numbers
- The rules: discharge limits and how they evolved
- Beyond oil: dissolved components and toxicity
- Overboard or underground: the reinjection choice
- Scale, corrosion and bacteria: the chemistry downstream of everyone
- The control layer: valves, levels and the gentle hand
- Reliability under varying load
- Sizing for the end of life
- What Nadia and Rex did
- Key takeaways and what comes next
Production credits & AI disclosure
Scripts generated with Claude Opus. Synthetic narration generated with Edge TTS. Reviewed, listened to, and approved by Sankalp Thakur.