water injection rate

Studied the water shutoff method, witch pre-treatment formation with high concentration of polymer, optimize water shutoff parameters by means of perpendicularity test, including mass fraction of polymer, intake volume of polymer, injection rate of polymer and permeability.

研究了用高浓聚合物预处理地层的堵水方法，正交试验法优化了堵水参数，包括高浓聚合物质量分数、高浓聚合物注入量、注入速度和地层渗透率极差。

The remove of the problem existed in old water prorate technique by rate decline test is an progress as well as a breakthrough of eccentric separate injection techniques.

消除了原偏心配水技术采用递减法进行流量测试时存在的问题，是偏心分层注水技术的完善和突破；

Real water injection rate in water injection well will change when system pressure fluctuates or formation water absorption capacity changes. It is a disadvantage to needle vavle and downhole fixed water noddle.

注水井实际注水量随系统压力波动或地层吸水能力的变化而改变，这是针型阀或井下固定水嘴无法避免的缺陷。