济阳坳陷古近系湖相沉积的分子地层学

王广利; 王铁冠; 张林晔

济阳坳陷古近系湖相沉积的分子地层学

王广利^{1, 2,},
王铁冠^{1, 2},
张林晔³

1.
中国石油大学教育部油气成藏机理重点实验室, 北京 102249
2.
中国石油大学资源与信息学院, 北京 102249
3.
中国石化胜利油田分公司地质科学研究院, 山东东营 257015

基金项目:

国家自然科学基金项目 40703011

详细信息

作者简介:
王广利(1973—)男，讲师，从事有机地球化学研究. E-mail：sydxwgl@yahoo.cn

中图分类号: P618
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- 被引次数: 0
出版历程
- 收稿日期: 2008-01-18
- 刊出日期: 2008-05-25

Molecular Stratigraphy in the Lacustrine Jiyang Super Depression of Eocene

1.
Key Laboratory for Petroleum Accumulation Mechanisms of Ministry of Education, China University of Petroleum, Beijing 102249, China
2.
Faculty of Natural Resources and Information Technology, China University of Petroleum, Beijing 102249, China
3.
Geoscience Research Institute, SINOPEC Shengli Oilfield Company, Dongying 257015, China

摘要

摘要: 渐新世是济阳坳陷湖盆发育和烃源层形成的重要时期.运用分子地层学的理论和方法, 探讨了它在含油气盆地不同领域的应用.结果表明, 分子地层学研究有助于确定湖相烃源岩中大量分布的无定形有机质的来源, 揭示古沉积环境重建中微生物(包括细菌、古细菌和某些藻类) 的存在和类型, 进行沉积相的精细划分以及层序地层格架的建立和完善.分子地层学在石油地质研究中可以发挥独特的作用, 具有良好的应用前景.
- 分子地层学 /
- 分子化石 /
- 微生物 /
- 沉积环境 /
- 有机相 /
- 层序地层
Abstract: Jiyang depression, one of the most important oil-bearing basins in eastern China, has been studied with the theory and method of molecular stratigraphy.Eocene was the main period of the basin formation.The results suggest that molecular stratigraphy is helpful to determine the source of the amorphous solid organic matter which is widely dispersed in lacustrine source rocks, open out the existence and types of the microbe in paleoenviroment rebuilding, finely distinguish the organic facies, and build and consummate the sequence stratigraphy framework.Molecular stratigraphy provides a new important stratigraphical technique in petroleum geology, which may be especially valuable where methods based on paleontology failed.
- molecular stratigraphy /
- molecular fossils /
- microbe /
- paleoenvironment /
- organic facie /
- sequence stratigraphy

HTML全文

图 1 Es₄^上不同地区烃源岩中DBT/P与Pr/Ph关系图

DBT/P.二苯并噻吩与菲之比; Pr/Ph.姥姣烷与植烷之比

Fig. 1. DBT/P ratios versus Pr/Ph ratios in the different areas of Es₄^u source rock formation

下载: 全尺寸图片幻灯片

图 2 Es₄^上烃源岩正烷烃单体碳同位素分布

Fig. 2. Distributions of individual n-alkane carbon isotope in Es₄^u source rocks

下载: 全尺寸图片幻灯片

图 3 济阳坳陷始新世一个二级层序(Es₄^上~Es₃^中) 的分子地层

OEP.奇偶优势; Pr/Ph.姥姣烷与植烷之比; Gam/C₃₀H.伽玛蜡烷与C₃₀藿烷之比; C₃₅H/C₃₄H.C₃₅藿烷与C₃₄藿烷之比; Ste/hop.规则甾烷与17α-藿烷之比

Fig. 3. Molecular stratigraphy of Es₄^u-Es₃^m sequence in Eocene Jiyang depression

下载: 全尺寸图片幻灯片

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