The coupling is installed on the casing string at the specified depth interval during well completion

Prevents the impact of excess hydrostatic pressure on weak formations and ensures cement is raised to the planned depth even in the presence of absorbent zones

Allows hydraulic opening of cementing ports (without using a dropping plug or "bomb"), making the coupling suitable for use in horizontal sections of the wellbore

Features a lock on the moving cylinder that closes the cementing ports of the coupling

Operational zenith angle greater than 90 degrees

The stage cementing coupling can also be manufactured with enhanced operational characteristics for use in high-pressure wells

Premium threaded connections can be produced upon agreement with the customer

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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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