[1]秦建强.准噶尔东南缘上二叠统油页岩芳烃地球化学特征及意义[J].复杂油气藏,2019,12(01):23.[doi:10.16181/j.cnki.fzyqc.2019.01.005]
 QIN Jianqiang.Geochemical characteristics of aromatic hydrocarbons from oil shaleof southeast margin in Junggar Basin and its significance[J].Complex Hydrocarbon Reservoirs,2019,12(01):23.[doi:10.16181/j.cnki.fzyqc.2019.01.005]
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准噶尔东南缘上二叠统油页岩芳烃地球化学特征及意义()
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
12
期数:
2019年01期
页码:
23
栏目:
油气勘探
出版日期:
2019-03-25

文章信息/Info

Title:
Geochemical characteristics of aromatic hydrocarbons from oil shaleof southeast margin in Junggar Basin and its significance
作者:
秦建强12
1.陕西省煤田地质集团有限公司,陕西 西安,710021; 2.国土资源部煤炭资源勘查与综合利用重点实验室,陕西 西安,710021
Author(s):
QIN Jianqiang12
1. Shaanxi Coal Geology Group CO., LTD. Xi’an 710021,China; 2.Key Laboratory of Coal Exploration and Comprehensive Utilization, Ministry of Land and Resources, Xi’an 710021 China
关键词:
油页岩 芳烃 沉积环境 成熟度 母源输入 准噶尔东南缘
Keywords:
oil shale aromatic hydrocarbons sedimentary environments maturity parent source southeastern margin of Junggar Basin
分类号:
P593
DOI:
10.16181/j.cnki.fzyqc.2019.01.005
文献标志码:
A
摘要:
通过对准噶尔盆地东南缘上二叠统芦草沟组三个露头剖面共37个油页岩样品系统开展芳烃生物标志物分析,结果表明:地表露头样品中联苯系列和三芴等低碳数系列化合物挥发,残余芳烃中以萘系列、菲系列、萤蒽、芘等稠环芳烃为主。源岩母质既有低等水生生物,又含陆生高等植物,从三工河剖面到雅玛里克山剖面再到水磨沟剖面,油页岩母质具有自腐泥型向腐殖型过渡的趋势。较低丰度的1,2,5-TMN和1,2,7-TMN表明其为深湖亚相或海相的还原环境。基于样品的MPI1值折算的镜质体反射率RO值为0.40%~0.74%,同时,萤蒽/苯并芘比值分布在0.33~0.72,表明油页岩样品属于低熟到成熟阶段,其中,三工河地区油页岩成熟度最低,水磨沟地区最高。
Abstract:
According to 37 oil shale samples collected from three outcrop sections of Yamalike Mount, Shuimogou and Sangonghe in southeast area of Junggar Basin, the aromatic biomarkers were studied systematically.The results showed that low-carbon series compounds such as biphenyl series and triterpenoids in the samples are volatile and loss. The residual aromatic hydrocarbons are in dominate of naphthalene, phenanthrene, tetracyclic and pentacyclic compounds.The parent material of source rocks has both lower aquatic organisms and higher terrestrial plants.From the Sangonghe profile to the Yamalike Mountone and then to the Shuimogou one, the oil shale parent material has a tendency of transiting from sapropel to humus types.The Ro values based on MPI1of the samples are within the range of 0.40%to 0.74% and the ratio of benzofluoranthene to benzopyrnenis within the range of 0.33 to 0.72,indicating that the thermal evolution of the oil shale is in the stage of low mature to mature,in which the Sangonghe section has a lowest thermal maturation and the Shuimogousection is the highest.

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备注/Memo

备注/Memo:
收稿日期:2018-08-20; 改回日期:2018-10-12。
作者简介:秦建强(1965—),高级工程师,主要从事煤田地质及油气地质研究。E-mail:tc194qjq@163.com。
基金项目:国土资源部煤炭资源勘查与综合利用重点实验室自主课题(ZP2018-1)。
更新日期/Last Update: 2019-03-25