FIELD: oil and gas industry.
SUBSTANCE: installation includes centrifugal pump for operating liquid pumping without gas, run-down lines for basin and liquid, two tanks with air inlet valves and pressure control valves located in the upper line, bleed-off lines and liquid pressure lines located in the lower parts and symmetrical high-pressure and low-pressure taps communicating with discharge and suction of the pump. According to invention at water input line in parallel to the main centrifugal pump there is an additional pump which discharge side communicates with operating nozzle of liquid-gas ejector, receiving chamber of the latter is connected to gas line and discharge is connected to upper parts of tanks. At the line of liquid input to ejector there is regulating valve and choke connected in series. Gate of the regulating valve is connected hydraulically to discharge of ejector and input to choke.
EFFECT: increasing injection efficiency of fluid and gas mixture.
1 dwg
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