摘要
轻质油油藏注空气驱油不但具有注气作用,而且还具有氧气产生的其它效果。本文针对胜利渤南油田罗36块油样,采用大型填砂管模型,开展了90℃条件下注空气驱油提高采收率实验研究,重点讨论了驱油过程中注入孔隙倍数、注入速率和倾角对驱油效率的影响。实验结果表明,由于空气-泡沫对储层的封堵作用,能大幅提高水驱效果;气驱突破时间在一定程度上受注气倾角的影响,最终影响驱油效率。通过以上驱油实验研究,为注空气驱油方案的设计、油藏数值模拟研究、开发方案优化等提供了必要的依据,为油田先导试验的实施奠定了基础。
In the light oil reservoirs,it has displacement effect and oxygen functions for air injection.In order to discuss the impact about the scales,rate and angle,displacement experimental study of air injection were carried out by using the large sanding pipe model and the temperature in 90 degree for the oil sample of Bonan reservoir in Shengli Oilfield.Laboratory findings shows that air-foam can greatly enhance oil recovery because it has blank off for oil reservoir.Angle of air injection has an effect on the breakthrough time at some degree.It will affect the displacement efficiency.By means of displacement experiments,it provide the basement for project design,reservoir simulation and development plan.
出处
《内蒙古石油化工》
CAS
2010年第3期102-104,共3页
Inner Mongolia Petrochemical Industry
基金
中国石化科技攻关项目"低渗透油田空气驱油技术研究"(P06041)
关键词
注空气
实验研究
驱油效率
注入速率
倾角
Air Jnjection
Experimental Study
Displacement Efficiency
Injection Flow Rate
Angle of Inclination
