more>>在线期刊
more>>新闻发布
more>>相关下载
友情连接

三塘湖盆地芦草沟组页岩有机显微组分扫描电镜研究

焦淑静，薛东川，黄志龙，刘国恒，张 慧
  • 摘要
  • 参考文献
  • 相关文章

2019年 第38卷 第3期: 1000-6281（2019）03-0257-07     下载地址：

三塘湖盆地芦草沟组页岩有机显微组分扫描电镜研究

焦淑静1，薛东川2，黄志龙3，刘国恒3，张  慧4

（1．理学院，中国石油大学(北京)，北京 102249;2．中海油研究总院有限责任公司，北京 100027；3．油气资源与探测国家重点实验室，中国石油大学（北京），北京 102249；4．瑞华通正非常规油气技术检测有限公司，北京 102200)

摘  要  三塘湖盆地芦草沟组泥页岩处于低成熟-成熟早期阶段，热演化成熟度适宜，源岩有机质丰度高，类型好，以Ｉ型和II型为主；大量烃类滞留于烃源岩中，形成页岩油，为一套优质烃源岩。扫描电镜具有放大倍数高，图像立体感强，制样方法简单等优点，使得显微组分原始状态及与矿物接触关系得以保存，是研究有机显微组分的良好手段。芦草沟组页岩有机显微组分种类丰富，笔者利用扫描电镜及能谱仪，通过形貌特征、赋存状态及化学成分识别出了腐泥组、镜质组、惰质组、壳质组和动物有机碎屑，五大显微组分组中有沥青质体、镜质体、丝质体、孢粉体、角质体、树脂体和动物碎屑体等七种显微组分，并详细介绍了每种显微组分的形成原因、形态特征及识别方法。芦草沟组页岩中，沥青质体是最主要的显微组分，具有很好的生烃潜力。

关键词  芦草沟组；页岩；有机质；有机显微组分；扫描电镜

中图分类号：P575.2；P588   文献标识码：A    doi:10.3969/j.issn.1000-6281.2019.03.008

 

SEM study on organic macerals of shale in Lucaogou Formation Santanghu Basin

JIAO Shu-jing1，ZHANG Hui2，XUE Dong-chuan3，Huang Zhilong，LIU Guoheng

( 1. State Key Laboratory of Petroleum Resources and Prospecting，China University of Petroleum，Beijing 102249;2. SGS Unconventional Petroleum Technical Testing ( Beijing) Co., Ltd., Beijing 102200; 3. CNOOC Research Institute，Beijing 100027，China)

Abstract  The shale of Lucaogou Formation in the Santanghu Basin is in the low maturity, and the thermal maturity is in good stage. The total organic carbon(TOC) is high, and the organic matter types are type I and type II. A large number of hydrocarbons are retained in the source rocks, so the shale of Lucaogou Formation is a set of high quality hydrocarbon source rocks. Scanning electron microscopy (SEM) has the advantages of high magnification, strong stereoscopic image and simple samplepreparation. The method of sample preparation can preserve the contact relationship between the macerals and minerals, so it is a good means to study the organic macerals. The type of organicmacerals in the Lucaogou shales is rich. We identified seven types of organicmacerals by SEM and energy disperse spectroscopy(EDS), which are bituminite, vitrinite, fusinite, sporinite, cutinite, resinite and animal detritus. Bituminite is the main organicmaceral, and the hydrocarbonpotentialis high.

Keywords  Lucaogou Formation；shale；organicmatters；organicmacerals；scanning electron microscopy(SEM)

 

全文下载请到同方知网， 万方数据库，或重庆维普等数据库中下载！