Simple cementing bridge plug
The utility model provides a simple cementing bridge plug and in particular relates to a bridge plug for oil field workover treatment. The bridge plug comprise a barrel and a bridge plug assembly; the barrel is provided with an inner cavity penetrating axially; the bridge plug assembly is arranged i...
Gespeichert in:
Hauptverfasser: | , , , , , , , , , , , , , , |
---|---|
Format: | Patent |
Sprache: | chi ; eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | The utility model provides a simple cementing bridge plug and in particular relates to a bridge plug for oil field workover treatment. The bridge plug comprise a barrel and a bridge plug assembly; the barrel is provided with an inner cavity penetrating axially; the bridge plug assembly is arranged in the inner cavity and separately connected to the inner wall of the barrel; the bridge plug assembly comprises a core shaft, a lower anchoring mechanism and a rubber mat; the rubber mat is hollow and inverted cone-shaped and sleeves the core shaft; the lower anchoring mechanism is located under the rubber mat and sleeves the core shaft. The bridge plug assembly can be separated from the barrel and packed in a sleeve; after the bridge plug assembly is packed, the barrel does not need to be taken out and cement can be directly injected into the well by use of a cementing pipe column; as a result, the operation steps are simplified, the operations are simple and the waste of lots of cost is reduced. |
---|