HYDRAULIC VIBRATOR FOR FOAMING ACID Russian patent published in 2018 - IPC E21B28/00 E21B43/16 E21B43/25 

FIELD: oil and gas industry.

SUBSTANCE: invention relates to the oil and gas industry and can be used for pumping water or stimulating oil recovery by acidizing wells, in particular with an aqueous solution of hydrochloric acid. Hydraulic vibrator for foaming acid, comprising a housing with a fixedly mounted barrel with a bottom hole and a slide valve fitted with ball bearings on the barrel, made with slotted slots angled to their generator. Slots of the spool are located in the opposite direction to the slotted recesses of the trunk. Disk located coaxially to the body under the barrel and made with openings distant from the center at the same distance is fixed to the inner wall of the housing motionless by means of locking screws wrapped in threaded samples made in the housing. There are radially directed plates on the upper wall of the disk, the length of each plate is less than the distance from the outer wall of the disk to the wall of the opening of the disk.

EFFECT: enhanced functionality and increased oil flow from the reservoir is provided.

1 cl, 4 dwg