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Cai Jie, Zhang Min. Geochemical characteristics of aromatic hydrocarbons of coal-bearing gas source rocks from Upper Triassic Xujiahe Formation in Sichuan Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2013, 35(3): 325-330. doi: 10.11781/sysydz201303325
Citation: Cai Jie, Zhang Min. Geochemical characteristics of aromatic hydrocarbons of coal-bearing gas source rocks from Upper Triassic Xujiahe Formation in Sichuan Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2013, 35(3): 325-330. doi: 10.11781/sysydz201303325
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Geochemical characteristics of aromatic hydrocarbons of coal-bearing gas source rocks from Upper Triassic Xujiahe Formation in Sichuan Basin

doi: 10.11781/sysydz201303325

  • School of Earth Environment and Water Resource, Yangtze University, Wuhan, Hubei 430100, China

  • Received Date: 2012-07-16
  • Rev Recd Date: 2013-03-11
  • Publish Date: 2013-05-28
    Abstract
  • Thirty three coal-bearing gas source rock samples from the Upper Triassic Xujiahe Formation in the Sichuan Basin were analyzed by GC-MS.The results show that the concentration of cadalene,retene,1,2,5-tri-methylnaphthalene and 1,2,5,6-tetramethylnaphthalene derived from terrigenous higher plant organic matter of the coal-bearing gas source rocks are extremely lower than those of the typical coal-bearing source rocks.The relative contents of dibenzothiophenes and fluorenes are higher while the relative content of dibenzofurans is lower compared to the high content of dibenzofurans in typical coal-bearing source rocks.The particular distribution may be explained by transgression effect and high maturity.

     

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