Technical Parameter Optimization Method and Application of Transient Electromagnetic Precise Exploration
Transient electromagnetic method is widely used to explore the water-rich abnormal area because of its convenient operation and high detection efficiency.In order to realize the accurate exploration of the water-rich abnormal area of Yuandatan Coal Mine by transient electromagnetic method,the technical principle of transient electromagnetic method exploration was analyzed,and it was concluded that the main technical parameters affecting the exploration accuracy were exploration frequency and superposition times.The test profile was tested by the control variable method.Finally,the optimal exploration frequency was 0.625 Hz and the optimal superposition times were 200 times.Based on this,Yuandatan Coal Mine was accurately explored,and 127 water-rich abnormal areas were finally explored.It can provide a basis for other regions to use transient electromagnetic method to accurately detect water-rich anomaly areas.
NETL
NSTL
万方数据
