Perforating charge carrier assembly

Details Perforating charge carrier assembly Perforating charge carrier assembly

E - Fixed Constructions

21

B

E21B 29/02 (2006.01) E21B 43/117 (2006.01)

Patent

CA 2158814

The invention provides a new strip carrier assembly for carrying shaped charges, such as is particularly useful in perforating guns as are utilized to perforate oil and gas wells. The strip carrier includes a coupling member which couples adjacent strip carrier members together to form a contiguous assembly, and which further provides mounting system for a shaped charge so as to maintain uniform spacing even across the coupling junction. Additionally, the carrier assembly includes a novel tab assembly which cooperates with a charge carrier housing configuration to provide a single assemblage of parts which is capable of orienting shaped charges in any one of a plurality of desired orientations relative to the carrier strip.

Cette invention concerne une nouvelle bande d'alimentation du type particulièrement utile dans les perforateurs utilisés pour perforer des formations dans les gisements de pétrole et de gaz. La bande d'alimentation comprend des coupleurs d'assemblage réunissant une série d'éléments porte-charge en une bande continue, coupleurs qui assurent en même temps un espacement égal des charges explosives formées. De plus, la bande d'alimentation comprend une nouvelle patte qui permet de la loger solidement dans l'âme du perforateur et constituer un assemblage particulier permettant d'orienter les charges formées dans toutes les directions souhaitables par rapport à la bande d'alimentation.

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