| 岩性油气藏地震勘探若干问题的讨论（Ⅱ）——关于垂向分辨率的认识 |
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| 引用本文： | 李庆忠.岩性油气藏地震勘探若干问题的讨论（Ⅱ）——关于垂向分辨率的认识[J].岩性油气藏,2008,20(3):1-5. |
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| 作者姓名： | 李庆忠 |
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| 作者单位： | 中国石油天然气集团公司石油地球物理勘探局 |
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| 摘 要： | 砂泥岩互层的垂向分辨率是岩性油气藏勘探中的重要内容。文中讨论了带限地震子波及其分辨率问题，并结合砂泥岩互层的理论模型，认为λ／4的垂向分辨率定义是不合适的，而λ／8最合适。岩性油气藏勘探实例表明，当大套泥岩含有薄层砂岩时，垂向分辨率可以达到λ／16。这为砂泥岩互层的岩性油气藏勘探提供了理论基础。
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| 关 键 词： | 砂泥岩互层 地震勘探 垂向分辨率 模型 岩性油气藏 |
Discussion on seismic exploration of lithologic reservoirs (Ⅱ)——Seismic vertical resolution |
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| LI Qing-zhong.Discussion on seismic exploration of lithologic reservoirs (Ⅱ)——Seismic vertical resolution[J].Northwest Oil & Gas Exploration,2008,20(3):1-5. |
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| Authors: | LI Qing-zhong |
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| Affiliation: | LI Qing-zhong (Bureau of Geophysical Prospecting, CNPC , Zhuozhou 072751, China) |
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| Abstract: | The seismic vertical resolution of sand shale interbed is very important to the exploration of lithologic reservoirs. Band limited seismic wavelet and its resolution are discussed. The theoretical model of sand shale interbed shows that the definition of λ/4 vertical resolution is not reasonable while λ/8 vertical resolution is much more reasonable. The exploration practices of lithologie reservoirs show that the vertical resolution may be λ/16 when there is a big set of shale which includes thin sandstone. The research result provides theory foundation for the lithologie reservoir exploration of sand shale interbed. |
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| Keywords: | sand shale interbed seismic exploration vertical resolution model lithologie reservoirs |
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