Used for separating intervals for cementing tail pipes. Installed in the tail pipe assembly below the stage cementing collar

Prevents the intrusion of formation gas or aggressive liquids into the curing cement slurry

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

Allows for installation at an inclination angle up to 95 degrees

Maximum operating temperature up to 110°C

Creates a zone of sedimentary sealing for the cement slurry, protects the cement bond from shock waves, and maintains contact with the pipe during axial load changes on the column.

Reduces the pressure of water return below the installation point, minimizing significant cement shrinkage and ensuring good contact with the wellbore wall.

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STAGE CEMENTING COLLAR

It consists of a body containing opening and closing sleeves. The sleeves are secured by shear screws. The closing sleeve features a seating cone for the upper wiper plug and a position lock. The opening sleeve also has a seating cone for the dropping plug.

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WARRANTY OBLIGATIONS
The manufacturer guarantees that the cementing collar meets the requirements of the technical documentation and technical specifications TU 28.99.39-008-78267833-2023, provided the transportation, storage, and operational conditions are observed.

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