Brief description:

Stage cementer is a kind of special tools to divide deep well into two parts to cement with several related plugs. Under some special working conditions, it also works with permanent packer together to isolate and cement the wells according to your requirements.

Application: 

（1）Mechanical type ：Stage Cementer are used for vertical well or deviated well which angle is less than 25 degrees, and the secondary cementing can be carried out after opening circulatory hole under gravity plug.

（2）Hydraulic type: It is suitable for all types of the well, and the secondary cementing can be carried out after opening circulatory hole without gravity plug.

Main specification: (Size of stage cementer)

φ244.5mm，φ177.8mm，φ139.7mm，127mm