新疆石油地质 ›› 2004, Vol. 25 ›› Issue (4): 355-356.

• 油气勘探 • 上一篇    下一篇

原油中烷基萘和烷基菲的碳同位素组成研究

熊永强, 耿安松, 廖玉宏, 潘长春, 刘德勇, 李超, 彭平安   

  1. 中国科学院广州地球化学研究所有机地球化学国家重点实验室,广东广州510640
  • 收稿日期:2003-08-26 修回日期:2004-01-12 发布日期:2021-01-06
  • 作者简介:熊水强(1967-).男,江西人.研究员,博士有机地球化学.联系电话:020-85290263
  • 基金资助:
    中科院重大项目(编号:kzcx1-sw-18-03) 973项日(编号:2003CB214603)和国家自然科学基金项目(编号:49972039)资助

Carbon Isotopic Composition of Alkylnaphthalenes and Alkylphenanthrenes in Crude Oils

XIONG Yong-qiang, GENG An-song, LIAO Yu-hong, PAN Chang-chun, LIU De-yong, LI Chao, PENG Ping-an   

  1. State Key Laboratory of Organic Geochemistry, Guangzhou Instiute of Geochemistry, CAS. Guangzhou, Guangdong 510640, China
  • Received:2003-08-26 Revised:2004-01-12 Published:2021-01-06

摘要: 采用逐步增加洗 脱液极性的方法对原油中的多环芳烃进行分离、富集,从而使原油中的菲及甲基菲等化合物达到单体碳同位素组成测定的条件;并应用色谱-同位素比值质谱(GC-IRMS)技术对吐哈盆地原油中烷基萘和烷基菲等系列化合物的碳同位案组成进行了测定。结果表明,来源于煤系地层的烷基萘、烷基菲的δ13C值主要分布在-20%o-28%o,相对于海相来源的明显富集13C,可作为探讨有机质来源以及原油对比的新指标。

关键词: 吐哈盆地, 烷基蔡, 烷基菲, 碳同位素

Abstract: Phenanthrene and methyphenanthrenes, further separated and enriched from aromatic hydrocarbon fraction with adding the polarity of eluant step by step, can meet the requirernent of individua] carbon isotope analysis. The carbon isotopic cormpositions of alkylnaphthalenes and alkylphenanthrenes in the crude oils of Turpan-Hami basin are detennined by using the above method of enrichment and gas chrormatogra-phy-isotope ratio mass spectrometry (CC-IRMS) technique. The result shows that the alkylnaphthalenes and alkylphenanthrenes frorn coal measures obviously enriched in PC, ranging from-20%o~-28%o, comared with tbe same compounds from marine source, and the 83C value of individual polycyclie aromatic hydrocarbons can be considered as a potential marker for the origin of organic matter and oil correlation.

Key words: Turpan-Harni basin, alkylnaphthalenes, alkylphenanthrenes, caxbon isotope

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