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This product designs the casing head and the tubing head as a whole, with compact structure, and is suitable for the situation where the operating space is restrictedOverall installation, save the installation time
In the whole drilling process, no need to replace the blowout preventer
Design of a slurry circulation channel for mandrel casing hanger
Mandrel casing hanger is not in place with emergency slip hanger
The hanger’s Lock ring automatically to reduce the leakage point
Configure surface safety valve and sub-surface safety valve to realize automatic safety control