Case Study | GN309 Remote Real-Time Intelligent Micro-Motion Detector Efficiently Completes Underground Pipeline Exploration and Positioning
Aug 07,2025
Guangzhou micro-operation demonstration
Operation Overview and Parameter Design 01 Operation Location: Guangzhou Operation Task: Determine the location of the sewage culvert Operation Date: May 13, 2025 Weather Condition: Sunny Operation Equipment: GN309 Operation Parameters: 30 GN309s were used to operate in the designated area, requiring a depth of 10m. Based on the on-site conditions, a grid array with a point and line spacing of 1m was used, and the acquisition time was 20 minutes.
Work site
Data processing results
The overall dispersion of the micro-seismic survey line is good. In the figure, a low-velocity anomaly, representing a low-density area, exists within a range of 3-5 meters horizontally and 7-8 meters vertically from the survey line endpoint. By adjusting the contour display range, a 2x1x1 cavity can be visually identified in this area. Based on known data, this anomaly is inferred to be the location of an underground sewage culvert requiring exploration.
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