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Casing hanger
1, casing hanger can be divided into two types: thread (mandrel) type, slip type.
2, Slip hanger type: Type G, Type W, Type WD and Type WE, etc.
3, Type WD slip hanger type is used to connect casing head and surface casing, it can make slip insert clench firmly the casing with the help of external forces; Type W hanger is the structure of seal stimulated by self-gravity. Both of Type WE and Type G are the structures of seal stimulated by hand operation.




