FIELD: oil production industry, particularly for oil recovery from wells with the use of electric centrifugal pumps and to elevate oil with high gas content.
SUBSTANCE: device comprises flow string, electric centrifugal pumping plant, shutoff valves for well head, ejector device and check valve. Ejector device is arranged at well head and connected thereto by quick-releasable connector to create low-pressure area in receiving chamber. Pressure in receiving chamber is less than that in hole annuity. Check valve has lock pin to prevent plugging of check valve outlet at high flow rates, namely during oil gas delivery. Check valve seat is removable to provide inspection thereof when performing maintenance.
EFFECT: provision of optimal well operation, increased efficiency of oil gas discharge due to continuous pumping-out thereof, simplified assemblage and maintenance.
1 dwg
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