Device for isolating treatment zones in a well, ensures precise fluid injection at high pressure for formation stimulation

Can be installed at any depth due to the built-in mechanical locator

Allows for high-flow injection and high concentrations of proppant

Hydraulic anchor prevents hydraulic effects on the device during high-pressure injection

Easy to move the assembly to another zone even at high pressure

Compact packer is easy to use in complex wells

Ability to add extensions up to 10 meters to adjust the length of the isolation interval

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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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