The collar is installed on the casing column at the specified depth interval during well completion

Prevents the impact of excessive hydrostatic pressure on weak formations and ensures cement reaches the planned depth even in the presence of absorption zones

Allows hydraulic opening of cementing windows (without the use of a ball or plug), making it suitable for use in horizontal sections of the wellbore

Includes a lock mechanism for the moving cylinder that closes the cementing windows of the collar

Can be manufactured with enhanced performance characteristics for use in high-pressure wells

Operational angle up to 90 degrees

Premium threaded connections can be manufactured 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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