Packer element retaining system

Details Packer element retaining system Packer element retaining system

E - Fixed Constructions

21

B

E21B 33/12 (2006.01)

Patent

CA 2662406

A bridge plug (10) having a segmented backup shoe (66), and at least one split cone extrusion limiter (82), the extrusion limiter comprising a two part conical retainer positioned between packer elements (56) and the segmented backup shoe (66) to block packer element extrusion though spaces between backup shoe segments.

L'invention concerne un bouchon de support (10) comprenant un sabot de blocage segmenté (66) et au moins un dispositif de limitation d'extrusion conique fendu (32) comprenant un système de retenue conique en deux parties positionné entre des éléments de garniture étanche (56) et le sabot de blocage segmenté (66) de manière à bloquer des espaces traversants d'extrusion d'élément de garniture étanche situés entre des segments de sabot de blocage.

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