Downhole · Jet Pump
Bottomhole Assembly
The receptacle at the bottom of the tubing that the jet pump lands in: a seating shoe with sealbores above it.
What it does
Holds the pump in place and seals between power fluid, well fluid and return. In a free installation it lets the pump be pumped in and out.
Basics
| Parts | Seating shoe and sealbores |
| Installations | Free (circulated or wireline) or fixed |
| Material | Corrosion resistant sealbores |
Common failures
- Worn sealbores that let power fluid bypass the pump
Troubleshooting
- Symptom
- Power fluid returns without lifting production
- Likely cause
- Pump not seated or sealbores worn
- What to check
- Re-seat the pump; inspect seals when retrieved