Shanghai HUAYU Technology (Energy) Co.
HUAYU TECHNOLOGY (ENERGY) CO.,LTD.
Chinese
wellhead and christmas

Wellhead / Christmas Tree

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Casing Spools

casing spool

Casing spools provide a controlled bore in the top bowl for the casing hanger seals, they also provide  seals in the bottom bowl to pack off the previous casing string and isolate the ID seals from internal casing pressure.

An additional function of the casing spool is to allow for testing BOPs while drilling, retaining the bowl protector, and pressure-testing casing seals through a test port.

    

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casing spools