Bridge Plug STA-118-35


Bridge Plugs of STA series are designed to provide tight separation of cased hole intervals. 


  • in well remedial and insulation works using bridging material in above-packer zone;
  • during installation of bridges and temporary disabling of reservoir zone;
  • during abandonment of wells or conservation of oil reservoir.    

Design Features

  • Hydraulic-set;
  • Do not require special setting device; 
  • 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

140 (6,2-7)
146 (7,7-10,7)
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 118 max
Length, mm 750 max
Weight, kg 30 max

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