| 用层间地震速度差异预测地层的岩性及含油气性 |
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| 引用本文： | 高先志,戴建春,曾洪流,刘震.用层间地震速度差异预测地层的岩性及含油气性[J].中国石油大学学报(自然科学版),1996(2). |
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| 作者姓名： | 高先志 戴建春 曾洪流 刘震 |
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| 作者单位： | 石油大学地球科学系 |
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| 摘 要： | 地震波在地层中的传播速度与地层的岩性、孔隙含量及所含流体性质等因素有关，利用地层浅反射界面均方根速度及假设的地震层速度推算了地层深反射界面均方根速度，将其与地层深反射界面均方根速度的实测值相比较，根据两者间的差异性质和大小预测地层的岩性和含油性。把该项技术用于研究辽东湾碎屑岩地层及鄂尔多斯盆地碳酸盐岩地层的岩性及含油气性，已经取得了较好的效果．
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| 关 键 词： | 地震速度 差异分析 岩性预测 油气远景 辽东湾 鄂尔多斯盆地 |
PREDICTION OF OIL-GAS AND LITHOLOGY WITH DIFFERENCE OF INTERFORMATIONAL SEISAMIC VELOCITIES |
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| Gao Xianzhi ,Dai Jianchun ,Zeng Hongliu ,Liu Zhen.PREDICTION OF OIL-GAS AND LITHOLOGY WITH DIFFERENCE OF INTERFORMATIONAL SEISAMIC VELOCITIES[J].Journal of China University of Petroleum,1996(2). |
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| Authors: | Gao Xianzhi Dai Jianchun Zeng Hongliu Liu Zhen |
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| Abstract: | Seismic velocity is a function of lithology. porosity and fluid content of strata. This paper presents a method for prediction of oil-gas and lithology. The shallow root-mean square velocity and the interval velocity are used to derive the deep root-mean square velocity. The difference between the derived and the measured velocities of deep root-mean square indicates the difference in oil-gas content or lithology. Application of the method to Liaodongwan depression and Ordos basin illustrated the accessiblity and practicability of the prediction method . |
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| Keywords: | Seismic velocity Differential analysis Hydrocarbon potential Lithology prediction Liaodongwan depression Ordos basin |
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