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山地大倾角地层的三维地震资料处理的核心问题是如何解决3D反射面元发散,增加反射面元内道集同相叠加,而静校正技术和偏移成像技术正是解决这一问题的关键技术。以XJ区的三维地震勘探为例,对其资料进行综合静校正及叠前偏移成像技术处理,较好地解决了该区的地层构造成像和分辨率问题,保证了勘探精度。
The key problem of 3D seismic data processing in steep dip formations is how to solve the divergence of 3D reflective surface elements and increase the in-phase superposition of inner channels of reflective surface elements. The static correction technique and offset imaging technique are the key technologies to solve this problem. Taking the 3D seismic exploration in XJ area as an example, the data are processed by comprehensive static correction and prestack migration imaging technology, which can well solve the stratum structure imaging and resolution in this area and ensure the exploration accuracy.