Packer Y521-140
2.structure and working principle
2.1 Structural Features
it is mainly made up of the joints, hydraulic anchor, the center tube, sealing tube , cone, slip and friction, connectors and other components .
2.2 Works
The packer down to the predetermined location,pull up the tubing according to the depth of the well. and then forward decentralization it, to make slip support on the casing wall, and then continue to decentralize tubing, tubing weight on the packer compress packer pieces so as to seal the oil line space, reaching the packer setting purposes. When fracturing, the claw out of the hydraulic anchor, anchoring the
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