FIELD: oil production industry, particularly devices for steam-gas mixture generation directly at well bottom.
SUBSTANCE: steam-gas generator comprises air, water and composite fuel inlet channels, fuel nozzle, ignition unit and combustion chamber provided with outlet nozzle. Steam-gas generator additionally has prechamber and evaporation chamber provided with throttling means on inner surface thereof. Throttling means have water discharge sections. Combustion chamber is made as two coaxially arranged shells, which may slide one relatively another to create cooling jacket. Multiple-flighted auger is formed on outer surface of inner shell included in combustion chamber.
EFFECT: simplified structure and increased operational reliability.
2 dwg
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