A seal for a longitudinally movable drillstring component

Details A seal for a longitudinally movable drillstring component A seal for a longitudinally movable drillstring component

E - Fixed Constructions

21

B

E21B 33/08 (2006.01)

Patent

CA 2278819

A stripper rubber (16) for oil, gas, water and geo-thermal wells having an interior surface design which includes a circular, convex knee portion (20f) in the throat area (T) of the stripper rubber (16) to provide additional support to the stripper (16) during insertion of a tubular member (15) through the stripper rubber (16). The composition for the stripper rubber (16) includes, in one embodiment, enhanced wear characteristics by the addition of TWARON mixed homogeneously throughout the stripper rubber (16).

Presse-étoupe (16) conçu pour des puits de pétrole, de gaz, d'eau ou des puits géothermiques, dont la surface intérieure est conçue pour présenter une partie circulaire (20f) en saillie convexe dans la zone T du coeur du presse-étoupe (16), de manière à offrir un support supplémentaire au presse-étoupe (16) pendant l'insertion d'un élément tubulaire (15) à travers le presse-étoupe (16). La composition du presse-étoupe (16) possède, dans un mode de réalisation, des caractéristiques d'usure améliorées obtenues par l'apport de TWARON mélangé de façon homogène à travers la totalité du presse-étoupe (16).

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