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数字检波器地震资料高保真宽频带处理技术

Keywords: 数字检波器,高保真,频带宽度,噪声压制,振幅补偿,脉冲反褶积,岩性识别

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Abstract:

?与模拟检波器接收地震资料相比,数字检波器地震资料具有频带宽、振幅保真度高、噪声大的特点。本文基于喇嘛甸工区数字检波器接收的三维三分量地震数据,应用纵波资料开展针对高含水开发后期精细砂体描述的高分辨率处理技术研究,主要研发了4项关键技术,即不同处理阶段的噪声逐次压制技术、数据驱动振幅校正技术、反褶积之前的q值相位校正与振幅补偿技术、地表一致性脉冲反褶积技术。通过井震结合精细砂体识别与描述,结果证实数字检波器数据的处理成果能够清晰刻画砂体边界。

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