Research and Application of Comprehensive Interpretation Technology for Multi-Field Joint Exploration of Unstable Coal Seams:A Case Study of the Xinyi Coal Mine in Henan Province
Due to poor exploration conditions or the presence of multiple hidden geological factors that can cause disasters in complex geological working faces,it is difficult to accurately identify unfavorable geological bodies using a single geophysical method.Therefore,it is necessary to use multiple geophysical methods for joint exploration to complement and confirm each other,and solve the problem of multiple interpretations in geophysical exploration.In response to the large-scale thinning zone exposed at the 11080 working face of Xinyi coal mine,a joint exploration of seismic trough wave velocity field,mass field,energy field,and radio wave penetration method was carried out to explore the unfavorable geological body in multiple dimensions and aspects.Multi-field coupling comprehensive interpretation was conducted to delineate the coal seam thinning zone and mining focus area at the working face.The results show that the comprehensive interpretation technology of multi-field joint exploration can effectively explore extremely unstable coal seams under complex geological conditions,accurately determine the relevant attributes of unfavorable geological bodies,and provide a basis for safe and efficient production in working faces.This method can be promoted in working faces with similar geological conditions.
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