| 塔西南坳陷烃源岩生标特征对比及沉积环境指示意义 |
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| 引用本文： | 曾昌民,张亮,雷刚林,陈永权,张现军.塔西南坳陷烃源岩生标特征对比及沉积环境指示意义[J].新疆地质,2011,29(3):319-323. |
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| 作者姓名： | 曾昌民 张亮 雷刚林 陈永权 张现军 |
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| 作者单位： | 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： | 塔西南各油气田油源问题长期存在争议.基于地表露头和井下烃源岩样品实验分析结果,对塔西南坳陷寒武系、石炭系、下二叠统和侏罗系4套烃源岩生标特征对比分析,揭示生标对该区沉积环境指示意义.研究表明,综合规则甾烷系列分布类型、正构烷烃色谱峰形、姥植比、伽玛蜡烷含量和升藿烷指数等参数能有效区分各套烃源岩.据上述研究认为寒武系烃源岩形成于咸水、强还原环境,有机质类型最好,以低等水生生物为主.石炭系和下二叠统烃源岩多为半咸水、还原环境沉积物,有机质类型为混合型.侏罗系烃源岩有机质类型最差,以陆相高等植物沉积为主.
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| 关 键 词： | 塔西南坳陷 烃源岩 生标特征 沉积环境 |
BIOMARKERS CHARACTERISTICS OF SOURCE ROCKS OF SOUTH-WEST TARIM DEPRESSION AND ITS SIGNIFICATION FOR SEDIMENTARY ENVIRONMENT |
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| ZENG Chang-min,ZHANG Liang,LEI Gang-lin,CHEN Yong-quan,ZHANG Xian-jun.BIOMARKERS CHARACTERISTICS OF SOURCE ROCKS OF SOUTH-WEST TARIM DEPRESSION AND ITS SIGNIFICATION FOR SEDIMENTARY ENVIRONMENT[J].Xinjiang Geology,2011,29(3):319-323. |
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| Authors: | ZENG Chang-min ZHANG Liang LEI Gang-lin CHEN Yong-quan ZHANG Xian-jun |
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| Institution: | ZENG Chang-min,ZHANG Liang,LEI Gang-lin,CHEN Yong-quan,ZHANG Xian-jun(Tarim Oilfield Company,PetroChina,Korla,Xinjiang,841000,China) |
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| Abstract: | The source problem of the oil-gas found in the South-west Tarim Depression area has existed for a long time,and in 2010 the oil-gas found in KD1 well makes the charcaters of the source rock in this area need further realized.Using the data from outcrop and underground source rocks,we studied the feature of biomarkers of these four sets of source rocks-Cambrian,Carboniferous,Lower Permian,Jurassic source rocks of South-west Tarim Depression,and revealed its signification for sedimentary Environment.Results s... |
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| Keywords: | South-west Tarim Depression Source Rocks The characteristics of Biomarkers Sedimentary Environment |
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