凝析气藏地下储气库单井注采能力分析

Analysis on the Single-well Capacity of Injection Withdrawal in Underground Gas Storage Reservoir

凝析气藏地下储气库单井的注采能力主要受储层渗流能力和井筒性质的影响,通过气井的产气方程及节点压力分析法的计算,确定出注采井的流入流出动态关系曲线,在考虑最小携液流量和冲蚀安全流量的约束条件下,计算了储气库内单井的注采能力,并对其主要影响因素进行了分析,为储库的优化运行提供科学依据。

Injection and production capacity of the single well in underground condensate gas storage is mainly influenced by the storage flow capacity and the nature of shaft.The report computes the producing gas equation of the gas well and pressure nodes,determines dynamic relationship curve between the inflow and outflow of the injection and production well.Considering the smallest carrying liquid flow and traffic safety erosion condition,the injection and production capacity of the single well in underground condensate gas storage is computed and main influence factors are analyzed,which provides a scientific basis for the optimal operation of the storage.