Ultrasonic tracking and positioning system of well cementation rubber plug

The invention discloses an ultrasonic tracking and positioning system of a well cementation rubber plug. The system comprises the well cementation rubber plug and well tracking and positioning equipment, wherein the well tracking and positioning equipment comprises a fixture, a transducer and a display controller; the transducer is mounted on the fixture, and is connected with the display controller; the well cementation rubber plug comprises an upper rubber body, a lower rubber body, an upper skeleton, a lower skeleton and an ultrasonic beacon; the skeleton adopts a two-half form; the upper skeleton and the lower skeleton are in threaded connection as a whole; the ultrasonic beacon is placed in a cavity of the upper skeleton and the lower skeleton; and the upper rubber body and the lower rubber body respectively coat the outer sides of the upper skeleton and the lower skeleton, and are tightened on the wall of a casing. The system has the following advantages: mud in the casing can be ...