Fixed-point packoff element with primary seal test capability

Details Fixed-point packoff element with primary seal test capability Fixed-point packoff element with primary seal test capability

E - Fixed Constructions

21

B

E21B 33/12 (2006.01) E21B 33/00 (2006.01) E21B 43/25 (2006.01)

Patent

CA 2593629

A fixed-point packoff element for a full-bore pressure isolation tool supports a primary seal and a test seal to permit the primary seal to be tested by injecting test fluid through a side port of a tubing head spool before the pressure isolation tool is rigged up for a well stimulation procedure.

L'invention concerne un élément de dispositif d'étanchéité à point fixe comme outil d'isolation de pression au diamètre complet du puits supportant un joint primaire et un joint d'échantillonnage permettant de tester le joint primaire en injectant le fluide-test dans un port d'entrée d'une tête de colonne de production avant que l'outil d'isolation de pression soit installé pour une procédure de stimulation des puits.

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