| 伊犁盆地石炭系石油地质特征与勘探潜力 |
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| 引用本文： | 李玉文,余朝丰,熊绍云,陈能贵,瞿建华.伊犁盆地石炭系石油地质特征与勘探潜力[J].海相油气地质,2011,16(3):30-37. |
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| 作者姓名： | 李玉文 余朝丰 熊绍云 陈能贵 瞿建华 |
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| 作者单位： | 1. 中国石油天然气集团公司碳酸盐岩储层重点实验室;中国石油杭州地质研究院
2. 中国石油新疆油田公司勘探开发研究院 |
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| 摘 要： | 野外剖面资料与已钻探井资料分析表明,伊犁盆地石炭系超覆于前石炭系变质基底上,层序齐全,厚度较大.共划分为五个地层组,包括下统的大哈拉军山组、阿克沙克组,上统的伊什基里克组、东图津河组以及科古琴山组.石炭系中发育泥质岩和碳酸盐岩两类烃源岩,以碳酸盐岩为主,主要发育在阿克沙克组和东图津河组.烃源岩有机碳丰度较好,主体属于较...
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| 关 键 词： | 烃源岩 储集岩 有机质丰度 勘探潜力 石炭系 伊犁盆地 |
Petroleum Geology Characteristics and Exploration Potential of Carboniferous Rocks in Ili Basin |
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| Li Yuwen,Yu Chaofeng,Xiong Shaoyun,Chen Nenggui,Qu Jianhua.Petroleum Geology Characteristics and Exploration Potential of Carboniferous Rocks in Ili Basin[J].Marine Origin Petroleum Geology,2011,16(3):30-37. |
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| Authors: | Li Yuwen Yu Chaofeng Xiong Shaoyun Chen Nenggui Qu Jianhua |
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| Abstract: | Based on field profiles and data of drilled wells in Ili Basin,the analysis has shown that the thick Carboniferous lithosomic body was overlapped on pre-Carboniferous metamorphic basement rock.It can be divided into five formations,C1d,C1a,C2y,C2d and C2k,in which C1a and C2d Formations are source rock.Two kinds of Carboniferous source rocks,argillaceous rock and dominant carbonate rock,are common in C1a and C2d.The relatively high abundance of organic carbon and the Ⅱ2 to Ⅲ types of kerogen reveal it belongs to good source rock.Thermal evolution of organic matter is up to high maturity to overmaturity.Three source-reservoir-cap assemblages can be distinguished.Comprehensive analysis indicates that the Carboniferous rock is well potential for oil exploration and the C1a Formation is the target,especially the Southern Depression is a favorable area. |
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| Keywords: | Carboniferous Source rock Reservoir rock Organic abundance Exploration potential Yili basin |
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