超低渗油藏有效开发技术研究  

Study on EOR Technology of Ultra-low Permeability Reservoirs

作　　者：黄俊[1] 张誉才 鲁军辉 

机构地区：[1]长江大学石油工程学院油气钻采工程湖北省重点实验室,武汉430100 [2]湖北省天然气发展有限公司,武汉430000 [3]上海海洋石油局第三海洋地质调查大队,上海200137

出　　处：《重庆科技学院学报（自然科学版）》2014年第2期87-90,共4页Journal of Chongqing University of Science and Technology：Natural Sciences Edition

基　　金：中国石化股份公司华北分公司科技项目(G13KJ-11-ZS-QT-ZJ-0013)

摘　　要：超低渗油藏存在启动压力梯度和应力敏感特征,常规注水开发难度大,采收率低。采用超前注水技术或通过储层改造技术改善平面和剖面的渗流条件,能够实现超低渗油藏的有效开发,提高单井产量。注气开采是保持超低渗油藏地层压力或减缓其地层压力降速的有效方法,其中注空气开采具有良好应用前景。Ultra low permeability reservoirs exists start -up pressure gradient and stress sensitivity features. It＇s dif- ficult to get conventional water flooding development, and oil recovery rate is low. Research finds that by using ad- vanced water injection technology and reservoir transformation technology, as lead acid fracturing technology, multi- level and sand add sand fracturing technology and fracturing technology, by improving plane profile of the seepage condition, we can realize effective development of ultra low permeability reservoirs, which can increase the single well production. In addition, gas injection is thought to be an effective method to maintain the pressure of ultra low permeability reservoir formation or slow down the formation pressure drop. Especially, the air has a good applica- tion prospect of flooding.

关 键 词：低渗透 启动压力梯度 应力敏感 储层改造 空气驱 

分 类 号：TE348[石油与天然气工程—油气田开发工程]