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Petroleum Science >2018,??Issue 2:??289-296 DOI: https://doi.org/10.1007/s12182-018-0233-2

Composition and distribution of NSO compounds in two different shales at the early maturity stage characterized by negative ion electrospray ionization coupled with Fourier transform ion cyclotron resonance mass spectrometry Open?Access

文章信息

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作者：Chang-Wei Ke, Yao-Hui Xu, Xiang-Chun Chang and Wei-Bin Liu
作者單位：

Key Laboratory of Exploration Technologies for Oil and Gas Resources (Yangtze University), Ministry of Education, Wuhan 430100, Hubei, China; College of Resources and Environment, Yangtze University, Wuhan 430100, Hubei, China,Key Laboratory of Exploration Technologies for Oil and Gas Resources (Yangtze University), Ministry of Education, Wuhan 430100, Hubei, China; College of Resources and Environment, Yangtze University, Wuhan 430100, Hubei, China,College of Earth Science and Engineering, Shandong University of Science and Technology, No. 579 Qianwangang Road, Huangdao District, Qingdao 266590, Shandong, China and Oil and Gas Survey, China Geological Survey, Beijing 100029, China

投稿時(shí)間：2017-07-26
引用方式：Ke, CW., Xu, YH., Chang, XC. et al. Pet. Sci. (2018) 15: 289. https://doi.org/10.1007/s12182-018-0233-2

文章摘要

Gas chromatography/mass spectrometry (GC/MS) can only analyze volatile molecular compounds, and it has limitations when applied to determine the complex components of crude oils and hydrocarbon source rocks. Based on Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR-MS) and GC/MS analyses, the molecular compositions of NSO compounds in extracts from the Permian Dalong Formation, Sichuan Basin and the Permian Lucaogou Formation, Junggar Basin in China were compared. Analyses of types of heteroatoms present (S1, S2, S3, OS, OS2, O2S, NS, and NOS compounds) suggest that marine shales from the Dalong Formation are mainly composed of carboxylic acids (O2 compounds) with a high abundance of fatty acids, indicating a marine phytoplankton organic source. However, lacustrine shales from the Lucaogou Formation are dominated by pyrrolic compounds (N1 compounds) with abundant dibenzocarbazole. It suggests that the organic source materials may be derived from lower aquatic organisms and lacustrine algae. Overall, FT-ICR-MS has potential for applications in analyses and determination of depositional environments and organic sources in petroleum geology.

關(guān)鍵詞

    Fourier transform ion cyclotron resonance mass spectrometry, Dalong Formation, Lucaogou Formation, NSO compounds, Sedimentary environment