FIELD: oil and gas industry.
SUBSTANCE: device comprises a body with inlet and outlet means for fluid flow passage. Between said input and output devices, there are at least one hydraulic resistance capable of changing its characteristics depending on flow rate and composition of liquid passing through it and/or under the action of external control electric, an electromagnetic or acoustic signal, and a screening stage comprising at least, high constant hydraulic resistance and at least one valve with fixed gate position arranged in series.
EFFECT: increased efficiency of fluid flow control in the well.
5 cl
