Production
Description
Cementing bridge plugs of STA-CK series are designed to provide tight separation of cased hole intervals.
Application
- 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
Specifications
| 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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Production
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Bridge Plugs
Bridge Plugs of STA series are designed to provide tight separation of cased hole intervals.