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中文摘要：
理论和实验表明气体润湿程度对凝析气藏气井产能有较大影响，但目前气体润湿性主要通过室内实验进行定性评价，缺少气体润湿性定量评价方法。为此，提出了采用捕泡法进行气体润湿性定量评价及固体表面能和固·液界面能的计算，并进行室内实验证实其可行性。实验结果表明，捕泡法实现了“固-液-气”体系中气体润湿性评价的可视化与定量化。此外，气体润湿性与黏附张力的关系为实现气体润湿从而提高凝析气藏产能提供了理论依据。
英文摘要：
The theory and experiments show that the gas wettability possesses rather serious impacts on the produc- tivity of the gas wells in condensate reservoirs, but at present, the property is mainly qualitatively evaluated by lab. tests and lacking of the corresponding quantitative evaluating method. The method of captive bubble is presented and adopted to quantitatively evaluate the gas wettability and the calculations of the surface energy of a solid and in- terfacial energy between a solid and liquid, and moreover the feasibility has been proven by the indoor experiments. The test results show that the method has realized the visualization and quantification of the above evaluation in ＂ solid-liquid-gas＂ system. In addition, the relation between the gas wettability and adhesive tension has provided the theoretical evidence for enhancing the productivity of condesate gas reservoirs.
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