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Journal of Applied Sciences
  Year: 2006 | Volume: 6 | Issue: 6 | Page No.: 1225-1237
DOI: 10.3923/jas.2006.1225.1237
 
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Geochemical Analyses of Potential Source Rocks and Light Oils in Pan Yu Low Uplift and Bai Yun Depression, Pearl River Mouth Basin, South China Sea

Sani A.M. Bachir, Sheng He , Guo Xiao Wen and Xiao Qi Lin

Abstract:
Eocene and Oligocene source rocks together with light oils from the Bai Yun depression and Pan Yu Low uplift have been analyzed by various organic geochemical techniques. The potential source rocks investigated include En Ping and Zhu Hai. The En Ping Formation, which is an important source in the study area, was used as a laboratory standard in this study. The oils examined in this study were obtained from the reservoir formations of various ages from throughout the northern margin of Pearl River Mouth Basin (PRMB). The source rocks screening analysis indicated that lower and middle subfacies of the Zhu Hai, especially from the southern part of the Bai Yun depression has substantial oil-generation potential. Wen Chang and En Ping have substantial oil and especially gas-generation potential. The result of this study supports the multiple sources point of view of oil and gas generation in this area. Selected source rocks and oils were characterized in more detail and the distributions and concentrations (both relative and absolute) of various biomarkers in different source rocks and oils were combined with other geochemical and geological data to check the source and the depositional environments. Oil-oil, oil-source rock correlations were made between two source rock samples and six light oils based on qualitative and quantitative biomarker distribution. There was a fair to good correlations between oil-oil and oil-source rock. The source rocks evaluations supported the multiple source rock concept. The correlations are also supported by carbon isotopes data.
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How to cite this article:

Sani A.M. Bachir, Sheng He , Guo Xiao Wen and Xiao Qi Lin , 2006. Geochemical Analyses of Potential Source Rocks and Light Oils in Pan Yu Low Uplift and Bai Yun Depression, Pearl River Mouth Basin, South China Sea. Journal of Applied Sciences, 6: 1225-1237.

DOI: 10.3923/jas.2006.1225.1237

URL: https://scialert.net/abstract/?doi=jas.2006.1225.1237

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