Line · Pipelines
Gathering Lines
Smaller pipelines that carry oil, gas and water from the wells to a battery, a processing plant or storage.
What it does
Collect production from many wells into one point. They usually run at lower pressure and flow than transmission lines, and in Canada most are regulated by the province, not by the federal regulator.
Basics
| From | Wellheads |
| To | Battery, gas plant or storage |
| Size | Generally smaller than transmission lines |
| Regulated by (Canada) | Usually the province, e.g. the AER in Alberta |
Common failures
- Internal corrosion from produced water, CO2 or H2S carried with the raw stream
Troubleshooting
- Symptom
- Repeated leaks on the same gathering line
- Likely cause
- Internal corrosion from untreated water
- What to check
- Check inhibitor program, pigging frequency and water dropout points