In order to tackle such problem, this paper analyzes the changes and features of oil-gas phase permeability and of dew point pressure at different recovery stages.In addition, this arti...

• 针对这一生产现象,分析了不同开采阶段气藏露点压力和油气相渗透率的变化规律与特征,指出,优化凝析气井生产制度必须有效地监测凝析气井积液和地层压力,采用节点分析方法确定合理的生产制度参数。