FIELD: mining.
SUBSTANCE: invention relates to mining and can be used for control of multi-phase flow in wells containing gas, liquid and solid particles. Proposed device comprises cylindrical housing accommodating spiral helical element with number and pitch of turns and optimum gas-dynamic profile to provide preset pressure drop and appropriate hydraulic characteristics. Cylindrical body has threads for attachment on tubing.
EFFECT: technical result consists in improvement of gas-liquid flow control efficiency.
1 cl, 1 dwg
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