EMITTER FOR CREATING A WAVE AGITATION ON HIGHLY HEAVILY OIL FIELDS Russian patent published in 2023 - IPC E21B28/00 E21B43/25 

FIELD: oil production.

SUBSTANCE: emitter for creating a wave agitation on heavily watered reservoirs of an oil field in order to increase the oil recovery factor from these reservoirs. The emitter for creating a wave agitation on heavily watered reservoirs of an oil field contains a bullet. The bullet is made in the form of a cylindrical body with the possibility of mounting on the lower end section of the drill pipes freely suspended in the well casing. Longitudinal cylindrical blind holes are made in the lower and upper ends of the bullet, and a chamfer is made on the lower end of the bullet. The bullet is made with the possibility of reciprocating movement inside the casing pipe to provide an impact action on a flat disk located at the bottom of the casing pipe at the interface between the phases of the productive formation and the bedrock in such a way as to ensure the conversion of the kinetic energy of the drill pipes freely suspended in the casing pipe into waves passing by the phase separation of the productive formation and bedrock. The length and diameter of the cylindrical body of the bullet are 1200 mm and 200 mm, respectively, and the depth and diameter of the longitudinal cylindrical blind holes in the ends of the cylindrical body of the bullet are 350 mm and 25 mm, respectively.

EFFECT: provision of a complex wave motion on the layers of the oil field.

1 cl, 1 dwg