Description:

The packer is the underhole setting tool which can demonstrate the work principle and the structure composition, and may carry on disassemble and assemble training and the column assembling according to the standard.After the tool goes down the design position, add the hydraulic pressure from the oil tube, the hydraulic pressure drives the top and below pisons down, shear the core pin, the below hydraulic cylinder and the counter force set affect together on the release set of the Y443 packer which makes the cavain tooth form the point of support in the casing inner wall.

Details: