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Hu Guoyi, Ran Qigui, Wang Tieguan, Zhong Ningning. Preliminary Study on Saturate Components Characteristics and Its Origin of Ful ing Formation Immature Source Rock in Jinghu Sag[J]. Acta Sedimentologica Sinica, 1997, 15(S1): 138-141.
Citation: Hu Guoyi, Ran Qigui, Wang Tieguan, Zhong Ningning. Preliminary Study on Saturate Components Characteristics and Its Origin of Ful ing Formation Immature Source Rock in Jinghu Sag[J]. Acta Sedimentologica Sinica, 1997, 15(S1): 138-141.

Preliminary Study on Saturate Components Characteristics and Its Origin of Ful ing Formation Immature Source Rock in Jinghu Sag

  • Received Date: 1996-09-06
  • The Saturate components characteristics and its' stable carbon isotope composition of individual n-alkanes of Fuling For-mation immature source rock from Jinghu sag in SuBei Basin have been studied in detail by means of GC, GC-MS and GC-C-MS. As a result,the content of steranes (especially aaa(20R)-C20sterane) of saturate is very abundant. There are threemajor peaks in the distribution of normal alkanes. The highest peak is C22 or C20 normal alkane. According to the study of themaceral composition and the variation in stable carbon isotope of individual hydrocarbons, it is proposed that middle molecularweight (nC19-nC22) normal alkanes are derived from bacteria and algae and steranes (including abundent Cz9 sterane) mainlycome from algae.
  • [1] 曾宪章.梁第刚等编著.中国陆相原油和生油岩中的生物标志物.兰州:甘肃科学出版社,1989.
    [2] 程克明,王铁冠等.烃源岩地球化学科学出版社.1995.
    [3] Martin R. L. et al.。Distrihutions of n-Paraffins in Crude Oilsand Their Implications to Origin of Petroleum. Nature, 1963.199:1190~1193.
    [4] Meinschein W. G. and Hung W. Y.,Sterols, Stanols, Steranesand the Origin of Natural Gas and Petroleura, Ed. Atkinson G.and Zu ckerman J. L.,Perganmon Press, 1981,33~35.
    [5] Johns R. B.,Biological Markers in the Sedimentary Record.Methods in Geochemistry and Geophysics 24,Elsevier. New York. 1986 . 364.
    [6] Roger et al.,Dinosterane and other Hydrocarbons of Dinoflagel-late Origin in Sediments and Petroleum. Geochimica Acta,1987. 51: 3075~3082.
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  • Received:  1996-09-06

Preliminary Study on Saturate Components Characteristics and Its Origin of Ful ing Formation Immature Source Rock in Jinghu Sag

Abstract: The Saturate components characteristics and its' stable carbon isotope composition of individual n-alkanes of Fuling For-mation immature source rock from Jinghu sag in SuBei Basin have been studied in detail by means of GC, GC-MS and GC-C-MS. As a result,the content of steranes (especially aaa(20R)-C20sterane) of saturate is very abundant. There are threemajor peaks in the distribution of normal alkanes. The highest peak is C22 or C20 normal alkane. According to the study of themaceral composition and the variation in stable carbon isotope of individual hydrocarbons, it is proposed that middle molecularweight (nC19-nC22) normal alkanes are derived from bacteria and algae and steranes (including abundent Cz9 sterane) mainlycome from algae.

Hu Guoyi, Ran Qigui, Wang Tieguan, Zhong Ningning. Preliminary Study on Saturate Components Characteristics and Its Origin of Ful ing Formation Immature Source Rock in Jinghu Sag[J]. Acta Sedimentologica Sinica, 1997, 15(S1): 138-141.
Citation: Hu Guoyi, Ran Qigui, Wang Tieguan, Zhong Ningning. Preliminary Study on Saturate Components Characteristics and Its Origin of Ful ing Formation Immature Source Rock in Jinghu Sag[J]. Acta Sedimentologica Sinica, 1997, 15(S1): 138-141.
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