宝浪油田低渗透油藏氮气驱技术应用研究

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英文篇名：Application of Nitrogen Gas Drive Technology in Low Permeability Reservoir of Baolang Oilfield 作者：黄鸿麟 ; 罗全民 ; 袁光喜 ; 宋增亮 英文作者：Huang Hong-lin;Luo Quan-min;Yuan Guang-xi;Song Zeng-liang; 关键词：宝浪油田 ; 低渗透油藏 ; 水驱 ; 氮气驱 ; 采收率 英文关键词：Baolang oilfield;;low permeability reservoir;;water drive;;nitrogen drive;;oil recovery 中文刊名：WGTX 英文刊名：Chemical Engineering Design Communications 机构：河南油田新疆采油厂; 出版日期：2018-01-28 出版单位：化工设计通讯 年：2018 期：v.44;No.187 语种：中文; 页：WGTX201801117 页数：1 CN：01 ISSN：43-1108/TQ 分类号：137

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 N_2 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 N_2 flooding can effectively increase the oil recovery rate.The optimal water flooding pressure is 12 MPa and the optimum N_2 injection pressure 15 MPa,the best N_2 injection timing(water cut)of 50%,the best N_2 injection rate of 0.5 ml/min and the best N_2 injection rate of 0.6 HCPV,N_2 drive recovery rate as high as 64.04%.

引文

[1]郑观辉.A油田氮气泡沫调驱技术研究[J].石化技术,2015,22(8):50-51.