The result of study is that the injecting mode is WAG, the injecting cycle is 30d, the injection volume of a single well is 1. 2 time of current water injection, gas-water ratio is 1. 2:1,

• 优化结果为:注气方式为水气交替注入；注气周期为30d；单井注入量为目前注水量的1.；2倍；气水比为1