... 8",9 5/8" Type:G,W,WD,WE Casing hanger is classified into two kinds,i.e.the threaded(mandrel ... )and the slipped,slip scasing hanger consists of G,W,WD,WE and other tupes, WD ... hanger is applicable for connection of casing head and surface casing ... the casing fast in use of outer force, W hanger adopts self-weight energized sealing structure and WE&G ...