宝浪油田低渗透油藏氮气驱技术应用研究  

Application of Nitrogen Gas Drive Technology in Low Permeability Reservoir of Baolang Oilfield

作　　者：黄鸿麟 罗全民[1] 袁光喜[1] 宋增亮 

机构地区：[1]河南油田新疆采油厂,新疆奎屯834032

出　　处：《化工设计通讯》2018年第1期129-129,共1页Chemical Engineering Design Communications

摘　　要：针对宝浪油田低孔、低渗型储层的特点,采用室内实验的手段,将宝浪油田钻取的6块岩样进行排序、衰竭实验、水驱实验以及水驱后注N_2驱实验。结果表明:在油田开采后期,注水开发效果越来越差的条件下,注N_2驱能有效地提高原油采收率;通过优化可得最优的水驱注水压力为12MPa、最佳N_2注入压力为15MPa、最佳N_2注入时机(含水率)为50%、最佳N_2注入速度为0.5m L/min以及最佳N_2注入量为0.6HCPV时,N_2驱的采出率高达64.04%。According to the characteristics of low-porosity and low-permeability reservoirs in Baolang Oilfield, six rock samples drilled in Baolang Oilfield are sequenced, depleted, water-flooded and flooded with N2 flooding experiment.The results show that under the condition of getting worse and worse effect of water injection development in the late stage of oilfield development, the injection of N2 flooding can effectively increase the oil recovery rate.The optimal water flooding pressure is 12MPa and the optimum N2 injection pressure 15MPa, the best N2 injection timing （water cut） of 50%, the best N2 injection rate of 0.5ml/min and the best N2 injection rate of 0.6HCPV, N2 drive recovery rate as high as 64.04%.

关 键 词：宝浪油田 低渗透油藏 水驱 氮气驱 采收率 

分 类 号：TE357.46[石油与天然气工程—油气田开发工程]