Downhole · Jet Pump
Standing Valve
A check valve below the pump. Well fluid flowing into the pump holds it open.
What it does
When flow is reversed from surface it closes, so pressure pushes the free pump up to the wellhead instead of into the formation.
Basics
| Normal operation | Held open by well inflow |
| Reverse flow | Closes to surface the pump |
Common failures
- Leaking or stuck open valve
Troubleshooting
- Symptom
- Free pump will not circulate out
- Likely cause
- Standing valve not holding
- What to check
- Retrieve with wireline and replace the valve