Casing head hangers are used to connect casing heads with surface casings and can be divided into slip-type or mandrel-type hangers.
(1) WD casing hanger
The WD casing hanger makes the slipper tightly embrace the casing by external force, and manually activates the seal; it has the characteristics of reliable sealing, easy installation and disassembly, safe work, etc. It is suitable for heavy bottom pipes and low-pressure working conditions in shallow wells; Casing head and cross for GMP.
(2) W-type casing hanger
The W-type casing hanger activates the sealing by the weight of the casing, which has the characteristics of reliable sealing, safety and convenience. Applicable to high-pressure working conditions in deep wells; applicable to all GMP casing heads and crosses. For heavy bottom pipes and low-pressure working conditions in shallow wells; suitable for casing heads and crosses used in GMP.
Specification of casing head