Downhole · PCP
Torque Anchor
A tool with toothed slips that grips the casing just below the pump.
What it does
Holds the tubing against the reactive torque of the pump so the tubing threads do not unscrew downhole.
Basics
| Grips | Casing wall, with slips |
| Prevents | Tubing back-off |
| Set by | Rotation of the tubing |
Common failures
- Anchor not set or slipping, tubing backs off
- Worn slips that no longer grip
- Anchor stuck by sand or scale when pulling
Troubleshooting
- Symptom
- Tubing backs off downhole
- Likely cause
- Anchor not set or slipped
- What to check
- Set procedure, slip condition, casing ID matches the tool
- Symptom
- Hard to release when pulling the string
- Likely cause
- Anchor stuck by sand or scale
- What to check
- Follow the manufacturer's release procedure