FIELD: oil and gas production industry. SUBSTANCE: device has body-type shaped-charge perforator with head-piece. Body has hermetically sealed side holes. Also provided in device are shaped charges, perforator head unit and additional hermetically sealed case in the form of air chamber with atmospheric pressure. Additional hermetically sealed case is located between perforator body and head-piece. Second additional hermetically sealed case is located between perforator body and head unit that is air chamber with atmospheric pressure. EFFECT: higher efficiency. 1 tbl, 2 dwg
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