| 鄂尔多斯盆地下古生界地层地史模拟与油气聚集 |
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| 引用本文： | 叶加仁,张志才.鄂尔多斯盆地下古生界地层地史模拟与油气聚集[J].地球科学,1995,20(3):342-348. |
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| 作者姓名： | 叶加仁 张志才 |
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| 作者单位： | 武汉石油地质系，咸阳地矿部第三石油普查大队 |
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| 摘 要： | 根据沉积压实原理，应用“反剥离模式”恢复盆地内各地层层系在不同地质历史时斯的古厚度及古埋深，并得到陶系柄部风化剥蚀面的一系列时间－埋深平面图及单井埋藏史图，由此对盆地下古生界奥陶系顶面的加里东期古风化剥蚀面的构造演化规律作出定量分析，结合盆地的生、排烃史研究成果，分析预测盆地内古古生界的油气聚集规律，为油气勘探与部署提供定量依据。
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| 关 键 词： | 油气聚集 地层 地史模拟 下古生代 鄂尔多斯盆地 |
GEOHISTORY MODELING AND HYDROCARBONS ACCUMULATION OF LOWER PALEOZOIC STRATA IN ORDOS BASIN |
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| Ye Jiaren,Lu Mingde.GEOHISTORY MODELING AND HYDROCARBONS ACCUMULATION OF LOWER PALEOZOIC STRATA IN ORDOS BASIN[J].Earth Science-Journal of China University of Geosciences,1995,20(3):342-348. |
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| Authors: | Ye Jiaren Lu Mingde |
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| Abstract: | According to the priciple of sediment compaction, the initial thicknes and burial depth of stratigraphic units are reconstructed and series of time-depth topograph and geohistory plots for the paleoweathering crust in the top of the Ordovician strata are gained by using the backstripped model.Combined with the researches of hydrocarbon generation and explusion, the paper analyzes the depositional and teceonic development history quantitatively for the paleoweathering crust of Caledonian period and predicts the favorable positions of the hydrocarbon accumulation formed in the Lower Palaeozoic strata. |
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| Keywords: | paleoweathering crust compaction correction eroded layers processing paleoburial depth reconstruction depositional and tectonic development history gas accumulation Ordos basin |
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