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< Natural Gas and Oil > Editorial Department
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Tang Xiaoyong,Pu Liming
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Issue:ISSN 1006-5539
          CN 51-1183/TE

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    Your Position ：Home->Past Journals Catalog->2015 Vol.2

    Study on Prediction Methods for Single Well Oil and Gas Interface in Gas Condensate Reservoir
    Author of the article:Xiong Yu, Zhou Luyao, Yu Xiang
    Author's Workplace：1.School of Petroleum and Naturat Gas Engineering, Southwest Petroleum University; 2.Shunan Gas Production Plant, PetroChina Southwest Oil & Gas Field Company
    Key Words：Condensate gas reservoir; Compositional gradient; Saturation pressure; GOC
    Abstract：Due to the effect of pressure and temperature, formation fluids in condensate gas reservoirs often present the phenomenon that components change with their burial depth, which is called as compositional gradient. Determination of the GOC in condensate gas reservoirs is significant for reasonable development of such reservoirs. Study at home and abroad shows that effect of temperature variation on the compositional gradient is not obvious and can be ignored. Deduced is the isothermally theoretical model of the hydrocarbon compositional gradient, analyzed is the distribution of formation fluids in well Y101-53-X2 of Anyue Gas Field and used is the comparison chart method of saturation pressure and reservoir pressure to determine that the GOC of well Y101-53-X2 is about 2310m under the ground. Result shows that this theoretical model can accurately estimate GOC of single well in condensate gas reservoir.

     


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