摘要
以志丹油田樊川区为研究对象,进行化学水-氮气交注驱油室内实验研究。对比分析不同驱替方式下最终驱油效率的差异。纯水驱驱油效率为47.37%;化学水驱驱油效率为56.84%;纯气驱最终驱油效率26.62%;水气交替驱最终驱油效率58%;化学水气交替驱最终高驱油效率69.62%;水气交替驱油后采用一轮化学水气交替驱油最终驱油效率为73.43%,增油15.43%。
Taking Zhidan oilfield Fanchuan area as the research object,flooding efficiency of alternative injection of chemical water and nitrogen was studied in the laboratory.Final oil displacement efficiencies of different displacement patterns were analyzed and compared.The results show that the water flooding efficiency is 47.37%;chemical water flooding efficiency is 56.84%;pure gas flooding efficiency is 26.62%;flooding efficiency of alternative injection of water and gas is 58%;flooding efficiency of alternative injection of chemical water and gas is 69.62%;after alternative injection of water and gas,flooding efficiency of alternative injection of chemical water and gas is 73.43%,oil production increases by 15.43%.
出处
《辽宁化工》
CAS
2011年第11期1135-1137,共3页
Liaoning Chemical Industry
关键词
化学水-氮气交注
实验
驱油效率
Alternative injection of chemical water and nitrogen
Experiment
Flooding efficiency
