摘要
研究了 F油田 R厚油层内夹层分布模式及其对采收率的影响。结果表明 ,R厚油层内夹层发育 ,可划分为 3种分布模式 :随机型、随机确定型和确定型 ,不同模式体现了夹层在厚油层内分布的差异性。夹层阻碍重力驱替 ,降低波及体积系数 ,影响油田的采收率。但可以利用夹层采取选择性射孔、局部细分层系和封堵高含水层等措施挖掘剩余油 ;已在 F油田稳油控水中发挥出显著效益。
The distribution patterns of the interbeds within R thick oil reservoir of F oilfield and their influence on recovery efficiency are discussed. The result shows that the intercalation growth in R reservoir would be divided into 3 kinds such as stochastic, stochastic-deterministic and deterministic distribution patterns. Various patterns indicate the difference of distribution of interbeds in the thick reservoir. The recovery efficiency of the oilfield is influenced by blocking the gravity drive and reducing the sweep efficiency resulted in the interbeds. Several measures such as selecting perforation, locally sublayering, plugging of high water-cut layers are implemented to produce remaining oil through the interbeds, by which obvious efficiency is brought about in stabilizing production and controlling water-cut.
出处
《江汉石油学院学报》
EI
CSCD
北大核心
2002年第1期44-45,共2页
Journal of Jianghan Petroleum Institute
关键词
厚油层
夹层
分布模式
采收率
影响
F油田
oil reservoir
intercalation
distribution pattern
recovery efficiency
