Downhole · Plunger Lift
Bottomhole Bumper Spring
A spring at the bottom of the tubing where the plunger lands at the end of each fall.
What it does
Cushions the plunger landing and sets the point where liquid collects above the plunger before the next trip up.
Basics
| Location | Bottom of the tubing, above the tubing stop or standing valve |
| Job | Cushion the plunger landing |
Troubleshooting
- Symptom
- Spring wears out early
- Likely cause
- High plunger velocity from incorrect controller settings
- What to check
- Replace the spring and correct the cycle
- Symptom
- Plunger damaged at the bottom end
- Likely cause
- Bumper spring broken
- What to check
- Retrieve and replace the spring