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《Journal of the University of Petroleum,China》 2004-05
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Experimental study on influence of porous media on phase behavior of gas condensate

TONG Min~1, LI Xiang-fang~1, HU Yong-le~2, WANG Ji-mei~1, LI Jin-song~1(1.Faculty of Petroleum Engineering in the University of Petroleum, China, Beijing 102249, China; 2. Research Institute of Petroleum Exploration and Development,CNPC, Beijing 100083,China)  
During the depletion development of gas condensate reservoir, porous media would definitely influence the phase behavior of condensate gas flowing in the porous media because of the interaction between flowing fluid and porous media. A novel experimental method for gas-liquid phase change was established. The composition changes of retrograded condensate gas flowing in core and PVT cell under different pressure were analyzed by using the high-precision chromatogram analytic technique. The phase change mechanism of gas condensate in porous media was analyzed. The experimental results show that the porous media with low permeability has heavy influence on the phase behavior of gas condensate, while the phase behavior in the porous media with high permeability is almost consistent with that in PVT cell. Therefore, the influence of porous media with high permeability on the phase behavior can be ignored in the engineering application.
【Fund】: 国家"973"研究项目(2001CB209108)
【CateGory Index】: TE311
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