HYDROMECHANICAL FRAC PACKER

It consists of a body with a sealing element equipped with end protections and a hydraulic pusher, which is secured by shear screws. To prevent reverse movement of the hydraulic pusher, a step retainer is installed. All parts of the packer are sealed with rubber O-rings.

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SEGMENTING THE LINER INTO ISOLATED INTERVALS
After lowering the liner and flushing, a 25 mm ball is dropped, which seats in the coupling. Then the pressure is increased to 28.0+10% MPa, the screws are sheared, and the hydraulic pusher moves, deforming the seal and protections, sealing the annular space around the packer.
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