Purposeless repeated acquisition time-lapse seismic data processing

Purposeless repeated acquisition time-lapse seismic data processing
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无目的重复采集时移地震数据处理

DOI:
10.1007/s12182-008-0005-5
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发表时间:
2008-03
期刊:
石油科学(英文版)
影响因子:
--
通讯作者:
李景叶
李景叶
中科院分区:
其他
文献类型:
--
作者:
李景叶

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中国大部分油田为陆相沉积,非均质性强,这一方面加大了油藏勘探开发的难度,另一方面也为成熟油田寻找剩余油提供了更大的空间。时移地震油藏监测技术是确定剩余油分布的重要技术之一。根据中国时移地震储层监测的需求和发展,对无目的重复采集时移地震数据处理进行了研究。结合理论和实际地震数据处理,分析了无目的重复采集时移地震数据处理的四个关键步骤,即相对一致性保幅处理、重合、匹配滤波和差分计算。同时强调了实时时移地震处理的质量控制。
In China, most oil fields are continental sedimentation with strong heterogeneity, which on one side makes the reservoir prospecting and development more difficult, but on the other side provides more space for searching residual oil in matured fields. Time-lapse seismic reservoir monitoring technique is one of most important techniques to define residual oil distribution. According to the demand for and development of time-lapse seismic reservoir monitoring in China, purposeless repeated acquisition time-lapse seismic data processing was studied. The four key steps in purposeless repeated acquisition time-lapse seismic data processing, including amplitude-preserved processing with relative consistency, rebinning, match filtering and difference calculation, were analyzed by combining theory and real seismic data processing. Meanwhile, quality control during real time-lapse seismic processing was emphasized.
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