Hanger
■Casing hangers are divided into two categories: thread type (mandrel type) and slip type;
The types of slip suspensions are: 0 type, type, WD type, WB type, etc.;
■VD type hanger is used to connect the casing head and the surface casing. It uses external force to make the slips hold the casing tightly.
The type hanger is a structure that strengthens the sealing of the casing's own weight
■W-type and C-type manual reinforced sealing structure.