| 鄂尔多斯盆地东南部富黄探区延长组长6段物源分析 |
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| 引用本文： | 尚婷,陈刚,李文厚,吴海燕,王若谷,张茹.鄂尔多斯盆地东南部富黄探区延长组长6段物源分析[J].地质科技情报,2012,31(1):33-40. |
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| 作者姓名： | 尚婷 陈刚 李文厚 吴海燕 王若谷 张茹 |
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| 作者单位： | 1. 西北大学大陆动力学国家重点实验室,西安710069;西北大学地质学系,西安710069
2. 延长油田集团(股份)有限公司研究院,西安,700075 |
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| 基金项目： | 国家重点基础研究发展计划(973计划)项目(2003CB214602) |
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| 摘 要： | 上三叠统延长组长6段是鄂尔多斯盆地富黄探区主力油层组之一,南部与东北部物源交汇区主控物源不清,通过碎屑组分分析、轻矿物分析、砂岩粒度分析和微量元素地球化学分析等方法对其物源进行了综合研究.研究结果表明,东北部物源区是富黄探区延长组长6段沉积的主物源区；其母岩主要为来自盆地东北缘太古宙及古元古代变质岩,而不存在南部或东部物源体系,并且砂体展布与物源具有很好的对应性.
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| 关 键 词： | 富黄探区 延长组 长6油层组 物源分析 鄂尔多斯盆地 |
Provenance Analysis of Chang 6 Reservoir in Fuhuang Exploration Area of Ordos Basin |
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| SHANG Ting
,
CHEN Gang
,
LI When-hou
,
WU Hai-yan
,
WANG Ruo-gu
,
ZHANG Ru.Provenance Analysis of Chang 6 Reservoir in Fuhuang Exploration Area of Ordos Basin[J].Geological Science and Technology Information,2012,31(1):33-40. |
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| Authors: | SHANG Ting CHEN Gang LI When-hou WU Hai-yan WANG Ruo-gu ZHANG Ru |
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| Institution: | 1a,1b(1a.State Key Laboratory of Continental Dynamics;1b.Department of Geology, Northwest University,Xi’an 710069,China;2.Research Institute,Shaanxi Yanchang Petroleum(Group) Co.,Ltd,Xi’an 700075,China) |
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| Abstract: | Chang 6 reservoir of the Upper Triassic Yanchang Formation is one of the main oil-bearing members of Fuhuang exploration area in Ordos Basin.However,it is not clear whether the south or northeast is the main provenance.This paper makes a comprehensive research on the provenance by many methods such as the analysis of rocks and minerals,light mineral analysis,sandstone grain-size analysis and geochemistry of trace element analysis.The results indicate that Chang 6 reservoir is mainly controlled by northeast sediment source region,whose parent rocks are mainly metamorphic rock of Archean and Early Proterozoic from northeast margin and that there is neither south or east provenance system in the area. |
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| Keywords: | Fuhuang exploration area Yanchang Formation 6th oil-bearing member provenance analysis Ordos Basin |
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