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Article Navigation >  Acta Sedimentologica Sinica  > 1997  >  15(2): 130-133

Liu Guangdi, Huang Zhilong, Hao Shisheng. Compositional Models of Petroleum and Expulsion from Source Rocks and Generation in Their Application[J]. Acta Sedimentologica Sinica, 1997, 15(2): 130-133.
Citation: Liu Guangdi, Huang Zhilong, Hao Shisheng. Compositional Models of Petroleum and Expulsion from Source Rocks and Generation in Their Application[J]. Acta Sedimentologica Sinica, 1997, 15(2): 130-133.
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Compositional Models of Petroleum and Expulsion from Source Rocks and Generation in Their Application

  • University of Petroleum Beijing 100083

  • Received Date: 1996-09-12
  • Publish Date: 1997-04-10
  • The new compositional models of hydrocarbon generation in and expulsion from source rocks wereproposed in this paper. The compositional model of hydrocarbon generation is based on the com posi do nalproductivity of source rocks vs. thermal maturity derived from thermal simulation experiment in labora-tory. The compositional model of hydrocarbon expulsion includes open system model and intermittentlyopen system model. The open system model describes the process of hydrocarbon expulsion throughpores of source rocks forced by compaction,and the intermittently open system model describes the pro-cess of hydrocarbon expulsion through microfractures forced by abnormally high fluid pressure. The changes of fluid volume and phases in the pore system and the distribution of hydrocarbon compositionsin different phases were calculated with thermodynaer cprinciples based on the temperature pressureand the fluid composition in the pore system. Thus, the expulsion history of hydrocarbon compositionsand the total expulsion amount can be simulated based on the difference between fluid volume and porevolume of source rocks and the distribution of hydrocarbon compositions in different phases. The resultof these models applied to the Paleozoic of the Ordos basin has shown the practical value of the models.
  • [1] 1 石广仁.油气盆地数值模拟方法t北京:石油工业出版社.1994.172

    2 Rorbes, P L and Cngerer, P Metal. Compositional modeling ofpetroleum generation and ex pulsion Trial to a local balance inthe smorbukk sor field, Haltenbanken area, Norway, AAPGBulletin. 1991(5): 873-893.

    3 王晓红.石广仁.李晋超油气盆地生烃排烃的组分法数值模拟研究.石油勘探与开发.1995, 22(1): 16-19.

    4 Du Rouchet, ,J Stress field, A key tp oil migration AAPG Bul-letin. 1981, 65(1): 74-85.

    5 Pateh N C and Teja, A S, A new cubic equation of statefor flu-id and fluid mixtures, Chiemical L,negineering Science. 1982, 37(3): 463-473.
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  • Received:  1996-09-12
  • Published:  1997-04-10

Compositional Models of Petroleum and Expulsion from Source Rocks and Generation in Their Application

  • University of Petroleum Beijing 100083
  • Received Date: 1996-09-12
  • Publish Date: 1997-04-10

Abstract: The new compositional models of hydrocarbon generation in and expulsion from source rocks wereproposed in this paper. The compositional model of hydrocarbon generation is based on the com posi do nalproductivity of source rocks vs. thermal maturity derived from thermal simulation experiment in labora-tory. The compositional model of hydrocarbon expulsion includes open system model and intermittentlyopen system model. The open system model describes the process of hydrocarbon expulsion throughpores of source rocks forced by compaction,and the intermittently open system model describes the pro-cess of hydrocarbon expulsion through microfractures forced by abnormally high fluid pressure. The changes of fluid volume and phases in the pore system and the distribution of hydrocarbon compositionsin different phases were calculated with thermodynaer cprinciples based on the temperature pressureand the fluid composition in the pore system. Thus, the expulsion history of hydrocarbon compositionsand the total expulsion amount can be simulated based on the difference between fluid volume and porevolume of source rocks and the distribution of hydrocarbon compositions in different phases. The resultof these models applied to the Paleozoic of the Ordos basin has shown the practical value of the models.

Liu Guangdi, Huang Zhilong, Hao Shisheng. Compositional Models of Petroleum and Expulsion from Source Rocks and Generation in Their Application[J]. Acta Sedimentologica Sinica, 1997, 15(2): 130-133.
Citation: Liu Guangdi, Huang Zhilong, Hao Shisheng. Compositional Models of Petroleum and Expulsion from Source Rocks and Generation in Their Application[J]. Acta Sedimentologica Sinica, 1997, 15(2): 130-133.
shu

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