The Y344 packer can be used in combination for selective operations on multiple formations. The lower end of the packer is generally connected to a choke, and the setting is achieved through pressure difference. After pressure relief, the packer can be released without the need to move the tubing string during operation, which is more advantageous for application in gas wells.

Features/Advantages

A lower annular pressure can open the backwash channel for backwashing

Can be safely sealed in various levels of casing, suitable for both vertical and inclined wells

Unique all metal shoulder guard ensures high pressure and sealing life

Specifications of 7 inches and below can withstand up to 70MPa (10000psi)

Conventional rubber cylinders and seals are recommended to be suitable for temperatures below 148 ℃ (300 ° F), and can be customized for higher temperatures