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Article Navigation >  Acta Sedimentologica Sinica  > 1996  >  14(1): 80-85

Liu Wenbin, Li Jietong, Fu Wanjun. The Seal Characteristics of Capillary Pressure of Direct Argnlaceous Cap Rocks for Natural Gas from Paleozoic in Shanganning Basin[J]. Acta Sedimentologica Sinica, 1996, 14(1): 80-85.
Citation: Liu Wenbin, Li Jietong, Fu Wanjun. The Seal Characteristics of Capillary Pressure of Direct Argnlaceous Cap Rocks for Natural Gas from Paleozoic in Shanganning Basin[J]. Acta Sedimentologica Sinica, 1996, 14(1): 80-85.
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The Seal Characteristics of Capillary Pressure of Direct Argnlaceous Cap Rocks for Natural Gas from Paleozoic in Shanganning Basin

  • 1 Lanzhou Institute of Geology, Chinese Academy of Sciences,Lanzhou 730000;

  • 2 Research Institute of Petroleum Exploration and Development, Nanhai West oil Corp.,Zhanjiang 524057

  • Received Date: 1995-02-02
  • Publish Date: 1996-03-10
  • Study on the characteristics of capillary pressure curves of direct argillaceous cap rocks for natural gas from paleozoic in shanganning Basin was carried out in this paper. The parameters,which have been obtained in the process of experiment, show that the direct argillaceous cap rock has above medium power to seal natural gas. Those parameters are the pore throat median diameter, median pressure, change coefficient of the frequency distribution of pore throat and the pemeability contribution. The results also show that the pore throat median diameter is proportional to the maximum mercury saturation, but disproportional to the median pressure and the change coefficient.
  • [1] 1.张博全，王灿云编，油(气)层物理学，武汉:中国地质大学出版社，1989。

    2.Hans. R. Grunan, A worldwide look at the cap-rock problem:lour, Petrol. Geol, 1987, 10(3) :245-366.

    3.Н.А.Еременко, Справочник по геологин нефтн гаэа,М."нецра",1984

    4.М.К.Калинко,Геологий и геохимия нафтидов,М."нецра",1987.

    5.В.М.Добрынин. Фиэические глинистые породэкранов эалежей УВ,Геология нефтн н гаэа,1989,5.
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  • Received:  1995-02-02
  • Published:  1996-03-10

The Seal Characteristics of Capillary Pressure of Direct Argnlaceous Cap Rocks for Natural Gas from Paleozoic in Shanganning Basin

  • 1 Lanzhou Institute of Geology, Chinese Academy of Sciences,Lanzhou 730000;
  • 2 Research Institute of Petroleum Exploration and Development, Nanhai West oil Corp.,Zhanjiang 524057
  • Received Date: 1995-02-02
  • Publish Date: 1996-03-10

Abstract: Study on the characteristics of capillary pressure curves of direct argillaceous cap rocks for natural gas from paleozoic in shanganning Basin was carried out in this paper. The parameters,which have been obtained in the process of experiment, show that the direct argillaceous cap rock has above medium power to seal natural gas. Those parameters are the pore throat median diameter, median pressure, change coefficient of the frequency distribution of pore throat and the pemeability contribution. The results also show that the pore throat median diameter is proportional to the maximum mercury saturation, but disproportional to the median pressure and the change coefficient.

Liu Wenbin, Li Jietong, Fu Wanjun. The Seal Characteristics of Capillary Pressure of Direct Argnlaceous Cap Rocks for Natural Gas from Paleozoic in Shanganning Basin[J]. Acta Sedimentologica Sinica, 1996, 14(1): 80-85.
Citation: Liu Wenbin, Li Jietong, Fu Wanjun. The Seal Characteristics of Capillary Pressure of Direct Argnlaceous Cap Rocks for Natural Gas from Paleozoic in Shanganning Basin[J]. Acta Sedimentologica Sinica, 1996, 14(1): 80-85.
shu

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