表征海相烃源岩有机质成熟度的若干重要指标的对比与研究

doi:10.11867/j.issn.1001-8166.1999.01.0018

地球科学进展 ›› 1999, Vol. 14 ›› Issue (1): 18 -23. doi: 10.11867/j.issn.1001-8166.1999.01.0018

涂建琪 ¹,金奎励 ²

1.中国石油天然气总公司石油勘探开发科学研究院实验中心北京 100083;2.中国矿业大学北京研究生部北京 100083

出版日期:1999-02-01
通讯作者: 涂建琪,男,1966 年8 月出生,博士,工程师,从事有机岩石学研究。

STUDY AND COMPARISON ON SOME IMPORTANT INDICATORS WITH REFERENCE TO THE DEGREE OF ORGANIC MATURATION OF MARINE HYDROCARBON-SOURCE ROCKS

TU Jianqi ¹,J IN Kuili ²

1.Instit ute of Pet roleum Ex ploration and Development of Chi na N ational Pet roleum Corporation , Beiji ng 1000832.Beiji ng Graduate School of Mi ni ng University of Chi na , Beiji ng 100083

Online:1999-02-01 Published:1999-02-01

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对目前表征海相烃源岩有机质成熟度的几个重要指标(镜质体反射率、沥青反射率、镜状体反射率、动物有机碎屑反射率及牙形刺色变指数等) 进行了探讨与对比,并在总结它们各自优缺点的基础上,提出了选择海相烃源岩有机质成熟度评价指标的原则,进而提出牙形刺相对荧光强度( I₅₄₆) 是表征海相烃源岩有机质成熟度的良好指标,其具有较广泛的适用性。

关键词: 海相烃源岩, 成熟度指标, 有机质成熟度, 牙形刺相对荧光强度

The author comparatively analyzed and compared some present important indicators (vit rinite reflectance ,reflectance of solid bitumen ,reflectance of vit rinite2like maceral ,reflectance of organic f ragment such as graptolite ,chitinozoan and scolecodont ,color index alteration of conodont , etc. ) with reference to the degree of maturation of marince hydrocarbon2source rocks ;on the basis of sum up their advantage and disadvantage ,the author suggested the principle of selection to the organic maturation indicator of marine hydrocarbon2source rocks ;still further ,the relative fluorescence intensity ( I546) is suggested and regarded as a good indicator of determining the degree of maturation of marine hydrocarbon2source rocks in this paper. The relative fluorescence intensity is well suitable to determine the degree of maturation of marine hydrocarbon2source rocks lack of vit rinite.

Key words: Degree of organic maturation, Relative fluorescence intensity., Marine hydrocarbon-source rocks , Mature indicator

中图分类号:

P678.130.1

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