There are three problems about work of more water injection: first problem is how to confirm water injection quantity for some wells;
水井增注措施主要面临三个方面的问题：第一是如何定量的判断某注水井或者注水层段的合理注水量；
Surfactant flooding can reduce injection pressure increase quantity, and can improve the efficiency of flooding, can effectively solve the problems existing in the water.
表面活性剂驱可以降低注入压力增加注入量，又可以提高驱油效率，能够有效的解决注水中存在的问题。
Many measures of increasing oil mass and decreasing quantity of water are implemented to old well in order to slow down oil production decline and control ineffective water injection and production.
为减缓原油产量递减速度、控制无效注水量，要对老井实施大量的增油降水措施。
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