Charge tube end plate

Details Charge tube end plate Charge tube end plate

E - Fixed Constructions

21

B

E21B 43/116 (2006.01) E21B 43/119 (2006.01)

Patent

CA 2521825

An end plate for securing and orienting a charge tube within a downhole- perforating gym. The end plate includes apertures for receiving locating tabs on the end of the charge tube to ensure the end plate is affixed to the charge tube in a specific orientation. The end plate includes an alignment tab that mates with a corresponding alignment groove in the perforating gun barrel for ensuring insertion of the charge tube into the perforating gun barrel in correct orientation to ensure the perforating charges exit through pro-designed scallops in the perforating gun barrel. A series of apertures may he present within the end plate to allow usage with one of a variety of sizes of charge tube. The end plate may include manipulation spaces along the circumference of the end plate to allow the end plate to be properly positioned or retrieved. The end plate may include an attachment system for attachment of an initiating device.

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