Cyclic pulse injection may cause the transient pressure regime in the reservoir and remaining pressure in a thin aquifer.
周期性脉冲式注水可以在地层中造成不稳定压力状态，在薄含水层中造成剩余压力。
2
The pressure in well bottom relation with the time of the injection and the viscosity of cement liquid, and the permeability in the confined aquifer are analyzed.
分析了注浆井底压力和原区压力与注浆时间、浆液粘度、渗透率、计算点与注浆井距离等关系；
3
The nitrogen injection pilot in Yanling oil field is for EOR of carbonate reservoir with bottom aquifer in high water cut stage under the cooperation with TOTAL French oil Company.