The packer is used for hermetically isolating intervals during multi-stage fracturing. The packer is installed in the string assembly, between the multi-stage fracturing couplings

Helps prevent interlayer flow and isolates gas, oil, and water-bearing formations

Withstands a pressure differential of up to 68.9 MPa

Allowable zenith angle of installation up to 95 degrees

Can be manufactured with various types of connection threads, including premium TMK UP threads

Maximum operating temperature up to 110°C

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HYDROMECHANICAL CEMENTING PACKER

The packer consists of a body with a sealing element equipped with end protections and a hydraulic pusher, which is secured by shear screws. A step retainer is installed to prevent reverse movement of the hydraulic pusher. 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 the transportation string, a 25 mm ball is dropped and pumped until it seats in the activation coupling. Then, the pressure in the tubing and liner is increased to 28.0+10% MPa, the screws holding the hydraulic pusher shear, and the pusher moves, deforming the sealing element and end protections, sealing the annular space around the packer.

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