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地震勘探在控制煤层赋存形态及构造方面已取得了令人满意的效果,但矿井为了高产稳产及矿井生产安全等要求,须准确圈定矿区内“无煤带”、采空区、火烧区、煤层露头、火成岩等特殊地质现象。通过对辽宁、山东、新疆等地煤矿地震勘探实例,介绍确定煤层特殊地质现象采用的方法,通过运用钻孔测井曲线进行地震资料反演,掌握地震时间剖面上的特殊地质现象的特征,通过三瞬处理,研究振幅异常与地质现象的对应关系,更重要的是在地震资料解释方面,要充分利用已知的地质资料,依据各种地质异常体在地震数据体上的特征识别解释各种特殊地质现象。
Seismic exploration has achieved satisfactory results in controlling the occurrence and structure of coal seams. However, in order to meet the requirements of high and stable output and mine production safety, the mine must be accurately delineated the “No coal zone”, goaf, fire District, coal outcrops, igneous rocks and other special geological phenomena. Through the example of seismic exploration in coal mines in Liaoning, Shandong and Xinjiang, this paper introduced the method to determine the special geological phenomenon of coal seams. By using borehole logging curves to retrieve seismic data, we can grasp the characteristics of special geological phenomena on seismic time profiles. Three instants of treatment, study the relationship between amplitude anomalies and geological phenomena, more importantly, in the seismic data interpretation, we should make full use of known geological data, based on a variety of geological anomalies in the seismic data body to identify the characteristics of a variety of interpretation Special geological phenomenon