Max OD in:
4.567 / 5.236 / 5.748
Liner size in:
4.000 / 4.500 / 5.000

Circulation sub is designed to provide circulation between completion toolstring and the annulus. Circulation sub is kept open while running the liner in а well to allow circulation through the tubing string. The sub is closed bу pumping а ball to indicate bump pressure.

  • Vertical, directional and horizontal wells.
Circulation sub