王维红;宋元东;林春华;刘瑞有;姜艳影;

• 1:东北石油大学地球科学学院

• 2:大庆油田有限责任公司勘探开发研究院

• 3:梧州中国石油昆仑燃气有限公司

• 4:大庆油田有限责任公司第二采油厂

摘要(Abstract)：

为提高叠前道集数据的信噪比,将频率域基于双向预测误差滤波的三维叠后随机噪音衰减方法(3DRNA),经过地震资料的道头修改和重置后,应用于叠前地震资料,实现三维叠前地震资料随机噪音的压制处理.某工区CMP道集和CRP道集随机噪音压制的试处理结果表明:该方法能够提高三维地震数据信噪比,得到的地震道集同相轴更清晰,可在不同的处理流程和步骤中串行应用,并且几乎可适用于所有三维地震资料.为提高速度分析精度、改善叠加效果、保持地震数据的AVO振幅特性和提高成果数据体的成像精度提供指导.

关键词(KeyWords)：叠前;随机噪音;压制;道头修改;地震资料

Abstract:

Keywords:

基金项目(Foundation):国家自然科学基金项目(41474118);; 国家高技术研究发展计划(863计划)项目(2012AA061202)

作者(Author):王维红;宋元东;林春华;刘瑞有;姜艳影;

Email:

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