Packers
Top auxiliary packer PDV7
Designed for additional sealing of the liner annulus for liners of nominal Ø 102, 114, 127 mm in casing strings Ø 146, 168, 178 mm.
Design features
- Pressure-tight connection to the setting funnel of PKhGMTs, PKhTs6, PKhGMN, PKhGMN-UIF, PKhGMN2 liner hangers
- Packer unit set by slacking off the running string weight
- Packer released by pulling tension on the running string
- Liner drift diameter preserved after packer release
Additional options
- CO₂-resistant version with body parts made of Cr13 steel
- Operating temperature up to 200 °C with special rubber seals
Sizes and technical characteristics
| Item | Liner OD, mm | Casing OD, mm | Max outer Ø, mm | Drift Ø, mm | ΔP, MPa | Tensile load, kN | Length, mm | Weight, kg |
|---|---|---|---|---|---|---|---|---|
| PDV7.102/146 | 102 | 146 | 122 | 88 | 68.9 | 700 | 1658 | 60 |
| PDV7.114/168-Z-102 | 114 | 168 | 139 | 99 | 68.9 | 700 | 2172 | 90 |
| PDV7.114/168 DKh-Z-102 | 114 | 168 | 139 | 99 | 68.9 | 700 | 3095 | 130 |
| PDV7.114/168 D-Z-102 | 114 | 168 | 139 | 99 | 68.9 | 700 | 3095 | 130 |
| PDV7.127/178 | 127 | 178 | 152 | 112 | 68.9 | 800 | 1867 | 94 |
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