| 塔中低凸起北部斜坡带下奥陶统油气运聚规律 |
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| 引用本文： | 徐志明,张海祖,王廷栋,顾乔元,林峰,李梅,陈立新,曾俊.塔中低凸起北部斜坡带下奥陶统油气运聚规律[J].新疆石油地质,2011,32(3):277-280. |
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| 作者姓名： | 徐志明 张海祖 王廷栋 顾乔元 林峰 李梅 陈立新 曾俊 |
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| 作者单位： | 1.西南石油大学资源与环境学院,成都 610500;2.中国石油塔里木油田分公司勘探开发研究院,新疆库尔勒 841000 |
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| 摘 要： | 塔中低凸起北部斜坡带下奥陶统风化壳不仅为油气的重要运移通道,而且是重要的油气储集层。与其下伏的寒武系储盖组合一起,在上奥陶统良里塔格组的含泥灰岩沉积之后就能够有效捕获北部的满加尔凹陷寒武系泥岩烃源岩在中-晚奥陶世生油高峰期生成的油气。下奥陶统储盖组合形成早,与下伏寒武系储盖组合通过断层、裂缝沟通,是喜马拉雅运动期重要的天然气输导层,在合适的存在适宜的遮挡条件的场所,如出现断层封堵、饱含水的致密层封堵以及早期生物降解沥青层封堵等,可以聚集形成连片分布的天然气藏。
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| 关 键 词： | 塔中低凸起 下奥陶统 风化壳 油气运移聚集 塔里木盆地 |
| 收稿时间： | 2010-10-19 |
Hydrocarbon Migration and Accumulation of Lower Ordovician in North Slope of Tazhong Low-Swell |
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| XU Zhi-ming,ZHANG Hai-zu,WANG Ting-dong,GU Qiao-yuan,LIN Feng,LI Mei,CHEN Li-xin,ZENG Jun.Hydrocarbon Migration and Accumulation of Lower Ordovician in North Slope of Tazhong Low-Swell[J].Xinjiang Petroleum Geology,2011,32(3):277-280. |
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| Authors: | XU Zhi-ming ZHANG Hai-zu WANG Ting-dong GU Qiao-yuan LIN Feng LI Mei CHEN Li-xin ZENG Jun |
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| Affiliation: | 1. College of Resources and Environment, Southwest Petroleum University, Chengdu, Sichuan 610500, China;2. Research Institute of Exploration and Development, Tarim Oilfield Company, PetroChina, Korla, Xinjiang 841000, China |
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| Abstract: | The Lower Ordovician weathering crust in north slope of Tazhong low-swell is an important channel for petroleum migration and reservoir together with underlying Cambrian as a cap rock.Following the muddy limestone deposit of Lianglitag formation of the Upper Ordovician,the hydrocarbon generated in the Middle-Late Ordovician as peak stage for oil generation in the Cambrian shale source rocks in Manjiaer sag of northern Tazhong area could be trapped effectively.The reservoir-caprock assemblage of the Lower Or... |
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| Keywords: | Tazhong low-swell Lower Ordovician oil-gas migration and accumulation |
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