Y-SHAPED DEVICE FOR SUBMERSIBLE PUMPING UNIT Russian patent published in 2020 - IPC F04D13/10 E21B43/12 E21B34/08 

FIELD: oil submersible equipment.

SUBSTANCE: invention relates to oil submersible equipment and can be used for operation as part of systems of bypass pumping units as an improved Y-shaped device. Device has two branches on one side, combined by common output in head of Y-unit. To the first branch pipe there is a pump unit with ball type valve placed above it in moving sliding flow bushing. Bypass pipes string is suspended to the second branch. Device is equipped with installed with possibility of rotation clap valve, overlapping second branch. Clap valve has a bar with a protruding end. Protruding end of the plate enters the slot formed on external surface of the bushing, and limits axial movement of the bushing at overlapping by the clap valve of internal channel of the string of bypass pipes. At the output of the Y-unit head there is a centraliser made in the form of an insert bushing with an offset towards the external wall.

EFFECT: invention provides reliability and safety of submersible unit operation and widens its application area.

4 cl, 4 dwg