| 高蜡凝析油或轻质油的分布特征与成因机理 |
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| 引用本文： | 杨永才,张枝焕.高蜡凝析油或轻质油的分布特征与成因机理[J].地质科技情报,2005,24(3):55-59. |
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| 作者姓名： | 杨永才 张枝焕 |
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| 作者单位： | 中国石油大学石油天然气成藏机理教育部重点实验室,北京,102249 |
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| 摘 要： | 介绍了中国部分含油气盆地中的高蜡凝析油或轻质油的地球化学特征及其在地域上和层位上的分布规律,并以大港千米桥古潜山高蜡凝析油气藏、吐哈盆地西部凹陷部分高蜡凝析油田或轻质油田、塔里木盆地柯克亚凝析油气田、盐城凹陷的高蜡凝析油藏为例,总结了几种高蜡凝析油或轻质油的成因模式,即煤系腐殖型烃源岩热演化生烃、运移分馏作用、混合作用或"气洗作用"等.
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| 关 键 词： | 高蜡凝析油 高相对分子质量正烷烃 地球化学特征 成因模式 |
| 文章编号： | 1000-7849(2005)03-0055-05 |
| 收稿时间： | 2004-12-30 |
| 修稿时间： | 2004年12月30 |
Occurrence and Original Mechanisms of High Waxy Condensates or Light Crude Oils |
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| YANG Yong-cai,ZHANG Zhi-huan.Occurrence and Original Mechanisms of High Waxy Condensates or Light Crude Oils[J].Geological Science and Technology Information,2005,24(3):55-59. |
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| Authors: | YANG Yong-cai ZHANG Zhi-huan |
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| Abstract: | This paper discusses geochemical characteristics and regional and stratum occurrence of high waxy condensates or light crude oils in some basins in China. It also summarizes original mechanisms and reservoir formation models of high waxy condensates,especially in Qianmiqiao buried-hill high waxy condensate reservoir, some high waxy condensate oil-gas fields in West Depression in Turpan-Hami Basin, Kekeya high waxy condensate or light oil fields in Tarim Basin and high waxy condensates reservoir in Yancheng Depression. These models include thermal evolution hydrocarbon-generating in coal-measure source rocks,migration fractionation and mixing process or gas washing etc. |
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| Keywords: | high waxy condensate high molecular weight n-alkane geochemical characteristics model of origin |
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