Process for assembling a loading tube

Details Process for assembling a loading tube Process for assembling a loading tube

E - Fixed Constructions

21

B

E21B 43/116 (2006.01) E21B 43/1185 (2006.01) F42B 3/00 (2006.01)

Patent

CA 2673082

A process is disclosed for assembling a loading tube for a perforating gun for use in a perforating system. At a first location, e.g., a shop, which is not the location at which perforating operations will be conducted, the loading tube is completely assembled. The completely assembled loading tubing is then transported to a second location where perforating operations are to be conducted. In one embodiment, an RF-safe initiator, wiring, a detonating cord and a plurality of shaped charges are installed into the loading tube at a first location. The RF-safe initiators may comprise an exploding foil initiator or an exploding bridge wire. A process for assembling a loading tube for a single-shot perforating gun is also disclosed.

L'invention concerne un procédé d'assemblage d'un tube de chargement pour une perforeuse pour une utilisation dans un système de perforation. Sur un premier lieu, par exemple une boutique, qui n'est pas l'emplacement auquel les opérations de perforation seront conduites, le tube de chargement est assemblé entièrement. La tubulure de chargement entièrement assemblée est alors transportée à un second emplacement où les opérations de perforation doivent être conduites. Dans un mode de réalisation, un initiateur de protection RF, un câblage, un cordon de transmission et une pluralité de charges creuses sont installés dans le tube de chargement sur un premier lieu. Les initiateurs de protection RF peuvent comporter un amorceur d'explosif à feuillet ou un dispositif à fil explosant. Un procédé d'assemblage d'un tube de chargement pour une perforeuse à un coup est également décrit.

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