伊犁盆地二叠系烃源岩地球化学特征及其地质意义

doi:10.7623/syxb201401005

石油学报 ›› 2014, Vol. 35 ›› Issue (1): 50-57.DOI: 10.7623/syxb201401005

伊犁盆地二叠系烃源岩地球化学特征及其地质意义

谢其锋¹, 周立发², 刘羽¹

1. 福州大学紫金矿业学院福建福州 350108;
2. 西北大学地质学系陕西西安 710069

收稿日期:2013-06-16 修回日期:2013-09-10 出版日期:2014-01-25 发布日期:2013-12-09
通讯作者: 谢其锋，男，1981年9月生，2003年获焦作工学院学士学位，2012年获西北大学博士学位，现为福州大学紫金矿业学院讲师，主要从事矿产普查与勘探专业的教学与科研工作。Email：xieqf@fzu.edu.cn
作者简介:谢其锋，男，1981年9月生，2003年获焦作工学院学士学位，2012年获西北大学博士学位，现为福州大学紫金矿业学院讲师，主要从事矿产普查与勘探专业的教学与科研工作。Email：xieqf@fzu.edu.cn
基金资助:
国家重点基础研究发展计划（973）项目（2003CB214601，2002CCC01400）、全国油气资源战略选区项目（XQ-2007-02）、福建省教育厅科技项目（JA13057）和福州大学人才基金项目（2013-XY-31）资助。

Geochemistry and geological signification of Permian source rocks in Yili Basin

Xie Qifeng¹, Zhou Lifa², Liu Yu¹

1. College of Zijin Mining, Fuzhou University, Fuzhou 350108, China;
2. Department of Geology, Northwest University, Xi'an 710069, China

Received:2013-06-16 Revised:2013-09-10 Online:2014-01-25 Published:2013-12-09

摘要/Abstract

摘要：

虽然伊犁盆地在经历不同程度油气勘探后取得了一系列成果，但一直没有突破性进展，为此，在结合前人研究基础上，通过干酪根、饱和烃气相色谱、饱和烃质谱和碳同位素等分析技术，综合评价二叠系烃源岩有机质成熟度、有机质类型和沉积环境。研究表明：塔姆其萨依组烃源岩属于半深湖—深湖相沉积，具单一有机质来源，有机质类型以Ⅱ₁型为主，有机质成熟度适中，为区内较有利烃源岩；晓山萨依组烃源岩属于海陆交互相沉积，具多种有机质来源，有机质处于高成熟—过成熟阶段，为区内有利烃源岩。

关键词: 烃源岩, 有机质成熟度, 有机质类型, 沉积环境, 二叠系, 伊犁盆地

Abstract:

Although a series of achievements has been obtained through different degrees of exploration, there remains no obvious breakthrough in oil-gas exploration in the Yili Basin. In such cases, combined with previous studies, a series of field geological survey for hydrocarbon source rocks through collecting hydrocarbon source rock are carried out samples from typical geological sections, and comprehensively evaluated the maturity, type and depositional environment of Permian hydrocarbon source rocks by analyzing kerogen and measuring saturated hydrocarbons and carbon isotopes of source rocks with gas chromatography and mass spectrometer. The results indicated that source rocks in the Tamuqisayi Formation are semi-deep and deep lake deposits and their organic matter is mainly type Ⅱ₁, with a single source and moderate maturity, being a more favorable source rock in the study area. While source rocks in the Xiaoshansayi Formation are paralic deposits, with a variety of organic sources and at a highly mature or overmature stage, being also a favorable source rock in the study area.

Key words: source rock, organic maturity, organic type, depositional environment, Permian, Yili Basin

中图分类号:

TE112.113

谢其锋, 周立发, 刘羽. 伊犁盆地二叠系烃源岩地球化学特征及其地质意义[J]. 石油学报, 2014, 35(1): 50-57.

Xie Qifeng, Zhou Lifa, Liu Yu. Geochemistry and geological signification of Permian source rocks in Yili Basin[J]. ACTA PETROLEI SINICA, 2014, 35(1): 50-57.

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伊犁盆地二叠系烃源岩地球化学特征及其地质意义

Geochemistry and geological signification of Permian source rocks in Yili Basin

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