华北油田三次采油先导性试验研究

PILOT RESEARCH ON EOR IN HUABEI OILFIELD

分析了华北油田注聚合物、注氮气、注ＰＳ剂、注微生物和蒸汽吞吐等三次采油现场先导试验中所采取的主要工艺、改进技术及实施效果，认为各项试验均取得了一定的成效。同时指出了当前三次采油中存在的主要问题，提出了具体的改进意见，并结合多年来的工作实践简要论述了三次采油的工作方法。

This paper has analyzed the main processes, improved technologies and application results of EOR field pilot tests of polymer injection, nitrogen injection, PS agent injection, microorganism injection, cyclic steam stimulation and so on. It is thought that certain effect has been achieved in each test. This paper also has pointed out the main problems currently exist in EOR, proposed modification suggestions, and discussed EOR working methods on the basis of field practices.