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Bao Fang, Li Zhiming, Zhang Meizheng, Wang Rucheng. Application of laser Raman spectrum in organic maceral studies[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2012, 34(1): 104-108. doi: 10.11781/sysydz201201104
Citation: Bao Fang, Li Zhiming, Zhang Meizheng, Wang Rucheng. Application of laser Raman spectrum in organic maceral studies[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2012, 34(1): 104-108. doi: 10.11781/sysydz201201104
shu

Application of laser Raman spectrum in organic maceral studies

doi: 10.11781/sysydz201201104
  • 1.

    School of Earth Sciences and Engineering, Nanjing University, Nanjing, Jiangsu 210093, China

  • 2. Wuxi Research Institute of Petroleum Geology, SINOPEC, Wuxi, Jiangsu 214151, China

  • Received Date: 2011-05-17
  • Rev Recd Date: 2011-12-06
  • Publish Date: 2012-01-28
    Abstract
  • The former tests of coal maceral were usually carried out manually and were influenced obviously by manual elements.Laser Raman spectrum deals with the order and deficiency of carbon matter structure and analyzes the features of organic maceral from the aspect of molecular structure.In this paper,the features and classifications of laser Raman spectrum of three macerals(vitrinite,semifusinite and fusinite)in source rocks have been discussed.The comparisons of laser Raman spectrum parameters between different macerals have been made and the structures of different macerals have been analyzed.In this way,we intend to find a new way to distinguish different macerals quickly and precisely using laser Raman spectrum.It has been found out that,in certain maturity range,obvious difference exists between D1 peak and G peak half-width among different organic macerals.This might be used as a new standard to distinguish different organic macerals.Laser Raman spectrum identifies the macerals in coals and rock samples quickly and effectively.It is an effective method in maceral analyses.

     

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