| 辽河盆地西部凹陷稠油成因类型及其油源分析 |
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| 引用本文： | 朱芳冰,肖伶俐,唐小云.辽河盆地西部凹陷稠油成因类型及其油源分析[J].地质科技情报,2004,23(4):55-58. |
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| 作者姓名： | 朱芳冰 肖伶俐 唐小云 |
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| 作者单位： | 中国地质大学资源学院,湖北,武汉,430074;中国地质大学资源学院,湖北,武汉,430074;中国地质大学资源学院,湖北,武汉,430074 |
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| 基金项目： | 国家杰出青年科学基金资助项目"沉积盆地超压系统演化及深成油气成藏条件"(40125008) |
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| 摘 要： | 根据原油的成熟度、生物降解程度及生物降解后油气的注入情况等多元因素,将辽河盆地西部凹陷的稠油划分为原生稠油、降解型稠油和降解—混合型稠油,在此基础上对该区稠油的油源进行了分析;研究表明,富伽马蜡烷的未熟原生稠油和未熟—降解型及低熟—降解型稠油可能主要来源于沙四段源岩,富4-甲基甾烷型的原油可能与沙三段具有亲缘关系。
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| 关 键 词： | 辽河盆地 稠油 成因类型 油源对比 |
| 文章编号： | 1000-7849(2004)04-0055-04 |
| 修稿时间： | 2003年12月8日 |
HEAVY OIL GENETIC TYPES AND OIL-SOURCE CORRELATION IN WESTERN DEPRESSION, LIAOHE BASIN |
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| ZHU Fang-bing,XIAO Ling-li,TANG Xiao-yun.HEAVY OIL GENETIC TYPES AND OIL-SOURCE CORRELATION IN WESTERN DEPRESSION, LIAOHE BASIN[J].Geological Science and Technology Information,2004,23(4):55-58. |
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| Authors: | ZHU Fang-bing XIAO Ling-li TANG Xiao-yun |
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| Abstract: | Heavy oil genetic types are useful for revealing geological-geochemical process.According to maturity of crude oil, degree of biodegradation, and oil input after biodegradation, the heavy oils of Western Depression in Liaohe Basin are divided into three main types which are connate heavy oil, degradation heavy oil and degradation-mixed heavy oil.The studies of oil-source correlation based on the former research, oil-source correlation indicates that the immature original heavy oils and immature-low mature degradation rich in gammacerane may result from Sha 4 source rock,while the crude rich in 4-methylsterane could be related to Sha 3 source rock. |
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| Keywords: | Liaohe Basin heavy oil genetic type oil-source correlation |
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