FIELD: oil and gas industry.
SUBSTANCE: water supply well includes a casing pipe. Pump (4), perforated filter (1), increased pressure line and electric motor (7) are installed in the pipe. Perforated filter (1) is made in the form of a piece of pipe with perforation (2) on its surface. Additional perforated pipe (11) is installed in the water intake influence zone. Perforated pipe (11) is equipped with an ejector, the active nozzle of which is connected to the pipe. Air supply confuser (20) with return valve (21) is connected to the ejector.
EFFECT: improving the pump capacity, continuous operation of the water supply well and improving efficiency due to increase in common air access to vacuum area.
4 cl, 1 dwg
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