Thru-tubing stackagle perforating gun system and method for use

Details Thru-tubing stackagle perforating gun system and method for use Thru-tubing stackagle perforating gun system and method for use

E - Fixed Constructions

21

B

E21B 43/116 (2006.01)

Patent

CA 2436698

A stackable thru-tubing perforating gun system for use in perforating in a large diameter cased wellbore below a smaller diameter production tubing string. The system comprises a thru-tubing retrievable bridge plug for supporting a lower perforating gun section. The system further comprises at least one additional gun section stacked on top of the lower gun section. After firing, individual gun sections may be retrieved from the wellbore through the tubing string.

La présente invention concerne un système empilable de canon de perforation de colonne de production d'accès destiné à perforer dans un puits tubé de grand diamètre en dessous d'un train de tiges de production de diamètre plus petit. Ce système comprend un bouchon de support récupérable de colonne de production d'accès destiné à supporter une section de pistolet de perforation inférieure. Ce système comprend aussi au moins une section de canon additionnelle empilée au dessus de la section de canon inférieure. Après la mise à feu, des sections de canon individuelles peuvent être récupérées du puits par le train de tiges. .

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