FIELD: oil production, particularly perforating-explosive operation.
SUBSTANCE: perforator has sealed body. Arranged in the body are hollow charge directing case and charge initiation device. Body has at least one safety channel to unload the body of explosion products. Number of safety channels may be defined from explosive material volume and characteristics and perforator body characteristics.
EFFECT: increased perforator reliability and strength.
5 cl, 8 dwg
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