• Model NO.：pyzs
• API Standard：API-5CT
• Transport Package：Standard Export Case
• Trademark：NSJ
• Origin：China
• HS Code：8431431000
• Production Capacity：10000 Pieces Per Year

Basic Info.

Model NO. pyzs API Standard API-5CT Transport Package Standard Export Case Trademark NSJ Origin China HS Code 8431431000 Production Capacity 10000 Pieces Per Year

Product Description

Stage Collar is stage cementing distributor,Mainly used to multistage well cementing process. From multistage cementing to get the good results, sloving the difficulties of cement upward going in deep well,poor cementing quality problems.
1.Excessive cementing in one time.
2.Stratum can not bear too much pressure liquid column.
3.Packer special layers;
4.Preventing annular channeling after cementing.
5.large temperature difference between isolation section, the performance of the grout is not easy to adjust.
Type:
-Mechanical Stage Collar
-Hydraulic Stage Collar
-Free-drilling stage collar

MECHANICAL STAGE COLLAR

- Short body, Complete stress is small.
- Special bypass design solving the liquid compression between opening dart and closing plug.
- Lock ring design ensures permanently closed after completion.