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凝析气井存在复杂的相变与相态重新分布，对试井压导曲线有较大影响，正确选定分析直线段是解释成败的关键。在计算高压物性参数时，应考虑凝析油的影响，试井分析中的产量应把凝析油产量折算到总产量中，方可克服解释的误差。以塔里木盆地一凝析气井试井资料作了说明。
The gas condensate well has complicated phase transformation and phase redistribution, which has a great influence on the well test pressure curve. The correct choice of straight line analysis is the key to explain the success or failure. When calculating high-pressure physical parameters, the effect of condensate oil should be considered. Yield in the well test analysis should be converted to the total output of condensate oil to overcome the error of interpretation. A test gas condensate well in Tarim Basin is described.