Torque anchor is designed for screw pump anti-trip tool.
Work Principle
The torque anchor is attached to the lower end of the stator of the screw pump. When the string is down to the design position, turn the string clockwise so that the anchor block of the torque anchor is opened and anchored to the casing.
Technical Parameters
| Casing Size | Anchor dia. (mm) | Min ID (mm) | L (mm) | Working range (mm / inch) | Connecting Thread |
|---|---|---|---|---|---|
| 5-1/2″ | 108 | 60 | 680 | 118-128 / 4.64-5.03 | 2-7/8″NUE |
| 6-5/8″ | 133 | 62 | 620 | 144-153 / 5.66-6.02 | 3-1/2″NUE |
| 7″ | 144 | 62 | 850 | 150-164 / 5.90-6.45 | 3-1/2″NUE |
| 9-5/8″ | 206 | 76 | 720 | 216-230 / 8.50-9.05 | 3-1/2″NUE |
Characteristics
Torque anchor has the characteristics of simple operation, firm anchoring, convenient use, safety and reliability.