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Oil Equiment MACHANICAL Stage CEMENTING COLLAR
Oil Equiment MACHANICAL Stage CEMENTING COLLAR

1.API standard produce 2.Material:carbon steel 3.Fast delivery 4.Perfect after-sale service

Product Description

HSC-A HYDRAULIC STAGE CEMENTERThe HSC-A Hydraulic Stage Cementer features inner closing structure, opening through pressure difference. The closing plug drives the closing sleeve down and then shut circulation ports.Features1. Opening pressure can be adjusted and it is not subjective to hole angle or mud properties for operation.2. The pressure-relief design prevents fluid trapping and compression during the closing phase of the tool’s operation.3. The I.D. of upper/lower sub is the same as that of casing, but smaller than that of closing sleeve, which can minimize chances of damages to the closing sleeve.4. The inner seats are made of an easily drillable butyronitrile rubber/aluminum material. Both the opening and closing seats lock against rotation for easy drillout.

Specifications, mm (in)Φ139.7 (5½")Φ177.8 (7")Φ244.5 (9?")
Max O.D., mmΦ170Φ208Φ283
Drill-out I.D., mmΦ122Φ155Φ220
Overall Length, mm108211821222
 Rated Load, t140170210
Sealing capacity, MPa252525
Opening Pressure, MPa131313
Closing Pressure, MPa555
 Lower Sliding Sleeve I.D., mmΦ85Φ115Φ176
Upper Sliding Sleeve I.D., mmΦ95Φ125Φ197

Oil Equiment MACHANICAL Stage CEMENTING COLLAR

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