Description:

The assistor 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 affects on the left transfer torque set which will drive the pison set and the bottom attach up, then the Y443 assistor central tube is risen and compress the rubber tube causes the seal oil ring.

Details: