Designed to plug the open hole permanently, and to isolate formation water.

 

Key Features

·  Ideal solution for problems of cement plugs movement in horizontal holes

·  Making use of casing packer ballooned by cement slurries allows to seal the casing annulus securely

·  Over-injected cement slurries go above the casing packer improving its grip

·  Cement filling eliminates effect of temperature and pressure changes on the inflated sealing ring of the packer

·  Hydraulic disconnection—no handling of the drill string is required for installation or disconnection

·  Emergency disconnection by counterclockwise rotation of the drill string, if required

·  Clear and reliable disconnection—when hydraulic disconnector is activated, the applied pressure is released

 

3.5" Well Abandonment Unit consists of

·  Shoe ZHB 30.08.00.000

·  Connector ZHB 21.00.00.003

·  Check valve with trap ZHB 30.05.00.000А

·  Landing collar ZHB 21.03.00.000

·  Drift casing packer

* – outside the scope of supply

·  Hydraulic disconnector ZHB 21.01.00.000

·  Drill pipe dart ZHB 21.02.00.000

·  Pressurizing plug ZHB 21.00.00.002