Numerical simulation-based correction of relative permeability hysteresis in water-invaded underground gas storage during multi-cycle injection and production

ZHU Sinan,SUN Junchang,WEI Guoqi,ZHENG Dewen,WANG Jieming,SHI Lei,LIU Xianshan

Fig. 12. Gas saturation distribution in the middle of the reservoir at the end of gas production in the 10th cycle.