Perforating gun

Details Perforating gun Perforating gun

E - Fixed Constructions

21

B

E21B 43/116 (2006.01) B21D 53/00 (2006.01) B23P 15/22 (2006.01) E21B 17/042 (2006.01) E21B 43/117 (2006.01) E21B 43/119 (2006.01) F42B 33/00 (2006.01)

Patent

CA 2465942

A perforating gun assembly useful in hydrocarbon well completion. The gun is assembled in a carrier made from straight walled tubing as a primary structural member with complementary male and female threads cut into opposite ends so that gun assemblies may be directly connected together. The male coupling includes a reinforcing sleeve threaded into an internal thread. An alignment pin is positioned in the carrier extending through the reinforcing ring and into the interior of the carrier. A charge assembly includes a charge holder tube with upper and lower alignment fixtures. The lower alignment fixture includes an alignment slot for mating with the alignment pin and a shoulder for supporting the charge assembly on the sleeve. The upper alignment fixture has an alignment pin for mating with an alignment slot in the carrier. A retainer ring may be threaded into the upper female threads to prevent removal of the charge assembly from the carrier.

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