FIELD: oil production and mining industry.
SUBSTANCE: adiabatic igniter comprises metal shell containing hydraulic hammer, cylindrical air chamber, piston and ignition agent. The piston is secured in end chamber part by pin and bush. Adiabatic downhole apparatus igniter is provided with thick-walled cylinder having through orifice closed with disc and sealing member arranged from the first end thereof. Elastic composite fuel charge is arranged in the through orifice. Sleeve with ignition composition is arranged between thick-walled cylinder and air chamber. The sleeve seals another cylinder end.
EFFECT: increased reliability and safety of perforating works performing.
2 cl, 1 dwg
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