Cementing bridge plug STA-CK-136-35


Cementing bridge plugs of STA-CK series are designed to provide tight separation of cased hole intervals.


  • well remedial and insulation works using bridging material in both: above and below the packer zones;
  • disabling of the water cut reservoirs and their separate intervals with injection of cement compounds in below-packer area;
  • installation of bridges and temporary disabling of reservoir zone;
  • abandonment of wells or conservation of oil reservoir.

Cementing packers of STA-CK series are set by means of installation tool IU-90, which is delivered on Customer's request (one item for 5 installations).

Design Features

  • hydromechanically-set
  • set by means of installation tool IU-90
  • sensitive to pressure differential in both directions: top down, bottom up./bidirectional/ allows application of pressure above or below the packer/ holds pressure from above and below the packer
  • made of easily drillable materials


Parameters  Value
Direction of pressure action top down or bottom up
Nominal diameters and wall thickness of tubular strings
acc. to GOST 632-80, mm
168 (7,3-12,1)
178 (10,4-12,7)
Maximum differential pressure, perceived by product, MPa 35
Pressure required for bringing product from transportation to working position, MPa 12
Maximum ambient temperature, ° C 120
Operational medium Oil, gas, stratal water
Maximum Setting depth, м 3500
Outer diameter, mm 136 max
Length, mm 750 max
Weight, kg 30 max
Length STA-CK with IU-90, mm 
1080 max
Weight STA-CK with IU-90, kg 52,5 max

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