摘要
羊屋三维处理、解释一体化方法研究组 .三维地震数据的分析和监测方法研究 .石油地球物理勘探 ,2 0 0 2 ,37(5 ) :4 33～ 4 4 0 实际地震数据处理的成像质量和分辨率直接取决于输入采集数据的质量和分辨率 ,地震数据处理本身仅可以在一定程度上补偿大地吸收衰减和减小干扰的影响 ,而且通常以牺牲部分有效信息和成像效果为代价。在实际处理中由于无法知道采集数据的质量 ,一味应用处理手段来达到其预期目的 ,往往适得其反。因此 ,如何定量分析采集数据的质量 ,制定合理的、适当的处理流程和参数是处理成像的关键 ,特别是对于隐蔽油气藏勘探更是如此。本文通过对羊屋三维数据地震信息的定量分析 ,提出了定量分析采集数据质量的方法。这些方法对地震数据采集质量监控和数据处理分析十分重要 ,并且是快速和经济的。
Imaging quality and resolution of field seismic data processing directly depends on the quality and the resolution of input acquired data. Seismic data processing itself can only compensate the attenuation by earth absorption and decrease interference impact in some degree and is processing that usually is at the price of sacrificing a part of useful information and imaging results. Adoption of processing tools to attain the predicting goal of processing only achieved opposite results because of unknown quality of the acquired data in the real processing. Therefore, how to quantitatively analyze the quality of acquired data and work out reasonable and suitable processing flow and parameters are key of imaging processing, especially for subtle reservoir prospecting. For this reason, through study of quantitative analysis for Yangwu 3 D seismic data, the paper acquired the methods more effectively for quantitatively analyzing the quality of acquired data. The methods are important guarantee for monitoring the quality of acquired seismic data and analyzing data processing, which are also fast and economic.
出处
《石油地球物理勘探》
EI
CSCD
北大核心
2002年第5期433-440,共8页
Oil Geophysical Prospecting
关键词
三维地震数据
监测方法
研究
数据分析
大地吸收衰减
瞬时信噪比
瞬频信噪比
信噪比临界点
attenuation by earth absorption, instantaneous signal to noise ratio, signal to noise ratio at any single frequency, critical point of signal to noise ratio
