The polymer flooding has higher oil displacement efficiency than the water flooding.

聚合物驱较水驱有更高的微观驱油效率.

Water-flooding is common in many oil fields in the world. Oil fields with water flooding occupy 87% of the Chinese oil fields.

世界许多油田都是采用注水开采石油，我国水驱油田占87%。

Oil fields with water flooding occupy 87% of the Chinese oil fields.

世界许多油田都是采用注水开采石油，我国水驱油田占87%。

Longer injection time brings higher water intake and more response of water flooding in well group.

注水时间越长,注水强度越高,井组注水见效的反应越明显.

Gas cap field are usually developed by natural depletion and water flooding.

国内外对于气顶油田的开发主要是采用衰竭式和注水开发方式.

The results show that molecular deposition flooding can reduce Sor than water flooding, and enhance the efficiency of oil displacement;

结果表明：分子膜驱相对于水驱可降低残余油饱和度，提高驱油效率；

The reservoir type of Yingtai Oil Field is natural water flooding structural reservoir.

英台油田油藏类型为天然水驱构造油藏,目前已进入特高含水开发阶段.

Xanthan polymers enhance oil recovery by improving water flooding and the displacement of oil.

黄元胶通过增加水的涌入量并置换出油的方式提高油的回收率.

A fatal shortcoming of single-well flooding back is short circuit. Which is the water flooding back will be taken back without the heat-exchange adequately with soil.

单井回灌一个致命的缺陷是“短路”，即回灌水未充分与土壤进行热量交换就又被抽了回去。

Meanwhile, it discusses the pattern cycle water injection rate and effect of cyclic water flooding in the pilot in western area of Fuyu Oil Field.

同时，结合扶余油田西区矿场实例对周期注水的注水方式、周期、注水量及效果进行了探讨。对裂缝性砂岩油藏实施周期注水具有重要的借鉴意义。