Intelligent identification method for abnormal body boundary in electrical imaging result
A technology for abnormal results and intelligent identification, applied in the field of geophysical survey, can solve problems such as unfavorable drilling and tunneling work, blurred contrast and changes, difficult to clearly reflect the difference between geological anomalies and background values, and achieve processing effects Intuitive, short processing time, free from manual intervention
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[0037] Borehole transient electromagnetic data processing generally adopts the inversion imaging method. Due to the multi-solution nature of the inversion, in order to improve the accuracy during the inversion fitting process, a smoother model is often selected to fit the measured data, so that the final inversion The result is an imaging model of a continuous smooth gradient of resistivity. However, the degree of contrast and changes at the boundaries of geological bodies are relatively vague, and it is difficult to clearly reflect the difference between geological anomalies and background values. The interpretation of the scale and shape of anomalous bodies often requires the intervention of experienced experts. It is beneficial to accurately guide the drilling and tunneling work after the geophysical prospecting work in production.
[0038] The present invention takes the drilling transient electromagnetic method electrical imaging method as an example, such as figure 1 In...
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