Importance

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Abstract

A perforating gun has a charge carrier assembly housed therein comprised of a plurality of charge holders connected together in tandem. Shaped charges are supported within each of the charge holders, such that the corresponding charges of each holder are circumferentially and vertically spaced apart from one another to forn a predetermined pattern. The individual charge holders describe a polyhedron whose bases or ends describe equal polygons, and whose lateral faces are rectangular and include a centrally located aperture which is adapted to receive a shaped charge in supported relationship therewithin. Each shaped charge is provided with a boss at the forward end thereof which abuttingly engages a lateral face of the polyhedron, and each corner or lateral edge formed between adjacent lateral faces of the charge holders have tabs extended in opposite directions therefrom which are arranged to engage the outmost face of the shaped charge, so that the shaped charge is uniquely captured in mounted relationship within the charge holder only by the action of the action of adjacent charge holders.

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First Claim