Applying the principle of accumulation by cadillary pressure difference,the complicated gas-water relations and its connection with regional hydrodynamics in fractured gas reser- voirs of Yang Xin limestone in Southeast Sichuan area is discussed.

• 本文应用毛细管压力差聚集原理,论述了川东南地区阳新统裂缝性气藏复杂的气水关系和区域水动力联系;