The sliding sleeve is a fluid control tool that can realize the opening and closing function through the wire operation control, so as to communicate the production layer. The elastic locking groove allows the sliding sleeve to be in two states: fully open and fully closed. When the sliding sleeve switches between the fully open and fully closed positions, the balance hole on the inner sliding sleeve can balance the pressure difference between the tubing and the casing annulus, and the tubing and the casing annulus can be connected through the sliding sleeve. Multiple sliding sleeves can be lowered into a tubing string. These sliding sleeves can be fully opened or fully closed through a wire operation, and a certain sliding sleeve can be selectively opened and closed as needed.

The sliding sleeve can be controlled to open and close by using the standard wire operation method with the B-type switch tool or the BO-type selective switch tool. The sliding sleeve has two types: D-type downward vibration opening and U-type upward vibration opening.

Features:

• High finish on the sealing surface
• High-strength non-elastic compound used for sealing components
• The flow area of the sleeve circulation/production is the same as the cross-sectional area ofthe oil pipe
• The balance hole on the sleeve can balance the higher pressure difference

Product features:

• 750W SSD type sleeve vibrates downward to open
• 751W SSU type sleeve vibrates upward to open