| 新疆准噶尔盆地东北缘石炭系姜巴斯套组烃源岩评价 |
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| 引用本文： | 吴洪豪,舍建忠,贾健,姚宗全.新疆准噶尔盆地东北缘石炭系姜巴斯套组烃源岩评价[J].新疆地质,2019(3):323-328. |
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| 作者姓名： | 吴洪豪 舍建忠 贾健 姚宗全 |
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| 作者单位： | 新疆大学地质与矿业工程学院;新疆维吾尔自治区地质调查院 |
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| 基金项目： | 新疆维吾尔自治区地质勘查基金项目（N17-2-XJ14）资助 |
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| 摘 要： | 准噶尔盆地东北缘石炭系烃源岩主要分布在准东和腹部地区,根据野外地表调查,针对准噶尔东北缘石炭系烃源岩有机质丰度、类型、成熟度特征进行了综合研究和评价,研究区烃源岩主要为灰黑色碳质粉砂质泥岩、泥岩。结果表明:该区石炭系烃源岩有机质丰度总体上属差-中等烃源岩。姜巴斯套组下段烃源岩有机质类型主要为Ⅰ型;中段烃源岩有机质类型以Ⅱ1、Ⅲ为主;上段有机碳含量较低,据相关变化趋势推测其有机碳类型为以Ⅲ型为主。因此总体上有机质类型为Ⅱ2-Ⅲ型。有机质成熟度总体上属成熟-高熟,主要为高熟。综上所述,准噶尔东北缘的石炭系是一套较有效的烃源岩,在该区寻找油气具重要意义。
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| 关 键 词： | 准噶尔盆地东北缘 石炭系 烃源岩评价 烃源岩特征 |
Evaluation of Source Rocks of Carboniferous Jiangbasitao Formation in Fuyun Area,Northeastern Margin of Junggar Basin,Xinjiang |
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| Wu Honghao,She Jianzhong,Jia Jian,Yao Zongquan.Evaluation of Source Rocks of Carboniferous Jiangbasitao Formation in Fuyun Area,Northeastern Margin of Junggar Basin,Xinjiang[J].Xinjiang Geology,2019(3):323-328. |
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| Authors: | Wu Honghao She Jianzhong Jia Jian Yao Zongquan |
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| Institution: | (College of Geology and mining engineering, Xinjiang University, Urumqi,Xinjiang,830046,China;The Xinjiang Uygur Autonomous Region geological survey,Urumqi,Xinjiang,830000,China) |
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| Abstract: | The Carboniferous source rocks in the northeastern margin of Junggar Basin are mainly distributed in the quasi-eastern and abdomen regions.According to the field surface survey,the characteristics of the abundance,type and maturity of the source rocks of the Carboniferous source rocks in the northeastern margin of the Junggar Basin are com- prehensively studied and evaluated.The source rocks of the study area are mainly gray-black carbonaceous silty mud- stones and mudstones.The results show that the organic matter abundance of source rocks in this area is generally poor- medium source rock.The organic matter types of the source rocks in the lower part of the Jiangbasitao Formation are mainly type I;the organic matter types of the middle source rocks are mainly II1 and III;The upper part has lower organic carbon content,and the organic carbon type is assumed to be III according to the relevant trend.Therefore,the organic mat- ter type is generally II-III.The maturity of organic matter is generally mature-highly mature, mainly high-maturing. In summary,the Carboniferous in the northeastern margin of Junggar is a relatively effective source rock,and it is of great significance to find oil and gas in this area. |
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| Keywords: | Northeastern margin of Junggar basin Carboniferous Source rock evaluation Source rock characteristics |
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