Methods of and apparatus for inserting pipes and tools into...

Details Methods of and apparatus for inserting pipes and tools into... Methods of and apparatus for inserting pipes and tools into...

E - Fixed Constructions

21

B

E21B 33/06 (2006.01) E21B 19/00 (2006.01)

Patent

CA 2211835

A snubbing configuration for inserting a pipe and/or a tool assembly on a pipe into a live well head employs a telescopic cylinder, e.g. a telescopic snubbing jack, between an upper BOP, e.g. an annular BOP, and a lower BOP, e.g. a double-gate BOP, in place of aconventional stripping BOP and an extended spool which are required in conventional configurations to accommodate long tool assemblies.

Configuration d'équipement d'intervention sous pression pour introduction de tube et/ou d'outils sur un tube dans une tête de puits productif utilisant un vérin télescopique, p. ex, un vérin d'intervention sous pression télescopique, entre un obturateur supérieur, p. ex., un obturateur annulaire, et un obturateur inférieur, p. ex., un obturateur à double vanne, au lieu d'un obturateur ordinaire permettant la manoeuvre de la colonne de production sous pression et une chambre agrandie qui sont nécessaires dans les configurations habituelles pour recevoir les longs ensembles d'outils.

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