INFLOW CONTROL DEVICE Russian patent published in 2020 - IPC E21B34/08 

FIELD: mining.

SUBSTANCE: invention relates to production of hydrocarbons and can be used for operation of wells, in particular for leveling profile of influx of produced product along length of horizontal well. Inflow control device includes a housing with holes in the bottom located along the edge of the internal cavity of the housing, a cover with one hole in the center. Movable disk performing functions of the valve installed between the ledges of axial orientation of the disk located on the bottom and a cover. In the center of the housing bottom there is a threaded hole, in which there is a screw made on the side of the lower end face with a spline or with a blind key hole. On the side of upper end cylindrical cavity is made, in which spring is installed, which rests against cylindrical cavity, made on disc, diameter of which is not less than outer diameter of spring.

EFFECT: improving efficiency of valve shutting down at reduction of viscosity and increase of speed of produced product passage through it to reduce its watering.

6 cl, 6 dwg