Production
Description
Cementing bridge plugs/sealing element/valve/bypass/round, piston-like slips used in the hydraulic hold-down mechanism prevent the tool from being pumped up the hole 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 |
140 (6,2-7) 146 (6,5-10,7) |
| 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 |
|
Length STA-CK with IU-90, mm |
1080 max |
| Weight STA-CK with IU-90, kg | 43,5 max |
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Production
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Spiders
Spiders of SPG series are designed to grip a range of drilling strings and tubing sizes in drilling and well servicing. Manufactured for various load ratings.
Hydraulic Power Unit
HPU provides transformation of electric energy to pressurized flow.
Bridge Plugs
Bridge Plugs of STA series are designed to provide tight separation of cased hole intervals.