Hydraulic bow spring centralizer



  • Suited for horizontal wells, directional wells
  • The original O.D. is small which ensures the safety of running casing. The centralizers have strong restoring force after expanding and significantly improve the centering degree of the casing in horizontal wells
  • Have strong pressure resistance with the same inner diameter as the casing
  • The bows can not return after expanding because of the anti-return structures
  • Plenty sets of O-rings are equipped between the body and hydraulic cylinder to get high reliability

(National patent No.:ZL 201520138274.7)

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