Sahne çimento yakaları

Stage cementing collars include mechanical and hydraulic type. Mechanical stage collar allows for cementing casing in two stages. Hydraulic stage collar allows for cementing casing in multiple stages at any inclination with a hydraulically opened sleeve system. Stage cementing collar accessories include first stage plug, closing plug, shutt-off plug, İniş Yakası, Bypass fişi . aşama çimentolama yaka boyutları 5-1/2 ila 13-3/8inch . API -}} .} API 5CT . . { Delilebilen .