FIELD: oil production, particularly airlift production of oil-gas-water mixture.
SUBSTANCE: plant comprises lifting pipe string and gaseous material supply pipe string communicated with lifting pipes. Lifting pipe string is provided with jet devices spaced apart along lifting pipe string. Distance between jet devices is defined by blower pressure. Jet device nozzle is made as bush having conical head portion and cylindrical rear portion. The cylindrical rear portion creates cavity communicated with air-supply pipe string. Conical nozzle portion has screw grooves covered with conical sub part. Channels extend in direction of gas rotation at nozzle inlet. Lower pipe of lifting pipe string has check valve. Air-supply pipe string has injection valve located at surface thereof. Air-supply pipe string sections are telescopically connected with each other.
EFFECT: increased performance and liquid lifting height, as well as decreased capital and production costs.
4 dwg
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