Production sliding sleeve runs as an integral part of the tubing string. It is used to open or close full communication between the annulus and the tubing. The sleeve contains a pressure-balanced inner sleeve, which can be shifted up to open communication or shifted down to close communication between the tubing and annulus.
Reliable operation, simple structure
The upper is equipped with profile nipple
Available with smaller IDs for use in heavy-wall tubing string
No puncture or damage to the cable
Add：Room 903, Building 11, No. A1 Chaoqian Road, Changping District, Beijing, China 102200
Tel：010-57325829 Email：sales@primestaroil.com
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