FIELD: oil and gas industry.
SUBSTANCE: impact wave reflector in case of thermal-gas-baric action at a bed in a well includes intercalated graphite in a damaged shell placed into a well in the area of thermal-gas-baric action. This zone together with a charge for thermal-gas-baric action are selected so that intercalated graphite as a result of actuation of the charge for thermal-gas-baric action is exposed to impact short-term thermal action with the possibility to convert into thermally expanded graphite in the volume providing for localisation of the impact wave in the bottomhole area of the well.
EFFECT: higher efficiency and reliability of device operation.
15 cl
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