| 薄互层条件下AVO技术的应用 |
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| 引用本文： | 孙树海,朱彦良.薄互层条件下AVO技术的应用[J].地球物理学报,1991,34(1):99-106. |
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| 作者姓名： | 孙树海 朱彦良 |
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| 作者单位： | 大庆石油管理局勘探开发研究院, 大庆 163712 |
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| 摘 要： | 本文结合实际资料在详细分析砂泥岩薄互层反射特征基础上,提出气层反射特征不仅有AVO正异常,还有AVO负异常及非正非负AVO异常.由于实际的砂泥岩薄互层组合的复杂变化,在解释中不能硬套通常的厚层反射或单个薄层的模式.针对不同地区不同层位,必须制作与实际地质情况相一致的CDP道集记录地震模型,才能得到正确的反射特征.应用本文提出的方法预测了宋站等地区的气藏分布,经钻探证实,获得了满意的结果.
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| 关 键 词： | 砂泥岩薄互层 反射特征 AVO异常 CDP道集 模型 |
| 收稿时间： | 1989-08-29 |
THE APPLICATION OF AVO TECHNIQUE UNDER THE CONDITION OF THIN INTERBED SERIES |
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| SUN SHU-HAI NIU YAN-LIANG.THE APPLICATION OF AVO TECHNIQUE UNDER THE CONDITION OF THIN INTERBED SERIES[J].Chinese Journal of Geophysics,1991,34(1):99-106. |
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| Authors: | SUN SHU-HAI NIU YAN-LIANG |
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| Affiliation: | Institute of Exploration and Development, Daqing Petroleum Administrative Bureau, Daqing 163712 |
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| Abstract: | On the basis of the detailed analyses of reflection characters of the sand-shale thin inter-bed series with practical data, this paper concludes that the reflection characters of the gas beds is not only characterized by positive AVO anomaly, but also characterized by negative AVO anomaly and nonpositive-nonnegative AVO anomaly. Because of the actual sand-shale thin interbed series are complicated and varying, the thick-bed reflection or single thin-bed reflection concept can't be used in the interpretation of thin interbed series, for different area or different zone, we must make CDP gather model responded to the actual geological conditions in order to get the correct reflection characters. The gas reservoir distributions in SongZhan area et al are predicted by useing the methed presented in the paper. The result is satisfactory proved by drilling. |
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| Keywords: | Sand-shale thin interbed series Reflection characters AVO anomaly CDP gather Model |
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