摘要
微生物驱油技术已在我国陆上砂岩油田的开发中得到了应用并取得了良好效果。但是由于砂岩油藏构造的非均质性 ,造成所注入的微生物驱油剂沿着含油饱和度相对较低的高渗透孔隙突进 ,使微生物驱油技术的作用得不到充分的发挥 ,因此 ,为了使有限度的微生物驱油技术获取最大的经济效益 ,文中依据微生物驱油技术的矿场应用状况 ,在室内进行了注水井调剖与微生物菌液驱油的调驱联作技术研究 ,并在机理分析的基础上通过物模试验加以了论证 ,物模试验表明 ,调剖与微生物驱油技术的联作 ,不仅可有效的提高油藏的采收率 ,而且还能明显提高有限度驱油的增产油量 ,这一技术也将会成为二次采油向三次采油过度的技术先导 。
According to the field application of microbial oil displacement technique,the research of joint technique on water injector profile control and microbial oil displacement is carried out in lab..At the same time,the technique is proved by physical analog testing on the basis of the mechanism analysis,the result shows that the joint technique of profile control and microbial oil displacement not only can improve effectively recovery efficiency of reservoir,but also can increase obviously the oil production.The technique will lay a good foundation for developing tertiary oil recovery technique in future.
出处
《钻采工艺》
CAS
2003年第6期86-88,共3页
Drilling & Production Technology
关键词
油田开发
微生物驱油
物模试验
采油技术
砂岩油藏
microorganism,oil displacement,mechanism,recovery factor,laboratory testing
