高分辨率处理方法及其在准噶尔盆地的应用
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摘要
分析了影响地震资料分辨率的因素 ,研究和应用静校正、能量补偿及分频、叠前去噪、精细速度分析等处理技术来提高主频 ,拓宽频谱 ,并保证高信噪比。在准噶尔盆地的二维和三维地震资料处理中 ,用上述技术使分辨率有很大的提高 ,取得了令人满意的效果
This paper analyzed some key factors that affect the resolution of seismic data, especially in the stage of data processing. Based on the analysis, we proposed a suite of data processing technologies such as static correction, energy compensation, frequency division processing, prestack noise attenuation, phase adjustment and refined velocity analysis, etc. to increase the dominant frequency, spread the bandwidth of spectrum, and ensure high signal to noise ratio for the processed data. Desired results have been achieved by applying these methods to data processing on data acquired from the survey areas in Junggar Basin.
This paper analyzed some key factors that affect the resolution of seismic data, especially in the stage of data processing. Based on the analysis, we proposed a suite of data processing technologies such as static correction, energy compensation, frequency division processing, prestack noise attenuation, phase adjustment and refined velocity analysis, etc. to increase the dominant frequency, spread the bandwidth of spectrum, and ensure high signal to noise ratio for the processed data. Desired results have been achieved by applying these methods to data processing on data acquired from the survey areas in Junggar Basin.
引文
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2 李庆忠.走向精确的勘探道路———高分辨率地震勘探系统工程剖析[M].北京:石油工业出版社,1995.24～115
3 王进海,朱敏.高分辨率资料处理与高信噪比资料[J].石油地球物理勘探,1996,31(4):587～596
4 李庆忠.地震高分辨率勘探中的误区与对策[J].石油地球物理勘探,1997,32(4):751～783
5 渥.伊尔马兹.地震数据处理[M].黄绪德、袁明德译.北京:石油工业出版社,1994.300
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