Design of Well Diameter Mapping System Based on Underwater Acoustic Transducer

The well diameter mapping system is based on underwater acoustic ultrasonic transducer, which can draw the 2D and 3D graphics of the well in time. This system includes three parts, the downhole measurement module, receiving module and PC analysis mapping module. Firstly, we use STM32F103 and RS485 to collect and transmit data respectively, then the PC software is used to draw the 2D and 3D graphics of the well diameter. Finally, we complete the evaluation of the downhole conditions based on these graphics and data. The system is mainly used for calculating volume of underground stilts and evaluating the shaft stability and final experimental results show that the system has a good performance in well diameter mapping.