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

APPLICATION

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.

  • Саn bе re-opened to restore the circulation in а conjunction with stage tool. 
  • lnstalled in the casing string below the stage tool. 
  • AII internal parts are PDC-drillable.

SUPPLY PACKAGE

  • Circulation Sub.

TECHNICAL DATASHEET


TECHNICAL CHARACTERISТICS VALUE
Liner size, in 4.000 4.500 5.000
Open hole, in 4.874 5.626 6.000
Мах OD, in 4.567 5.236 5.748
Min ID, in 0.787 1.063 1.063
ID after milling, in 3.465 3.898 4.409
Opening pressure, psi 2,320
Closing pressure, psi 1740 1595 1450
Burst, psi 10,000
Collapse, psi 10,000
Tensile, kip 157 202 213
Compression, kip 79 101 108
Material* Р-110
Мах working temperature, °F 302
Length, ft 2.3 2.5 2.4

* Other options are available as per Customer request.