深部煤炭勘查区地震勘探成果分析

Deep Seismic Exploration Results of Coal Exploration Area

深部煤炭勘查区由于煤层赋存较深,地震勘探时地震波旅行时间长,在经历了上覆厚地层的吸收衰减后,地震反射波频率及信噪比都显著降低,对后期的资料处理及资料解释带来一定困难,常常成为困扰地震勘探成果质量好坏的关键。通过对河南省周口境内一代表性深部煤炭勘查区地震资料进行处理与解释,根据实际情况,在处理流程、处理环节及解释方法上进行对比分析,总结出了一套适用于该类型区域的地震数据处理及解释方法。

Deep coal exploration area due to the occurrence of coal seams was relatively great, the seismic exploration seismic travel time was long, in the thick overlying strata absorption attenuation, seismic reflection wave frequency and signal- to- noise ratio were significantly reduced, with certain difficulties of data processing and data interpretation in the late, which often became the key in seismic exploration results quality. Through typical deep seismic data processing and interpretation of coal exploration area in Zhoukou area of Henan province, according to the actual situation, the process, the processing link and interpretation methods were analyzed, a set of suitable for this type of regional seismic data processing and interpretation methods were summed up.