| 游梁抽油机井井下油水分离器设计及仿真分析 |
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| 引用本文： | 董祥伟,张立军,李增亮,张辛,刘延鑫,李风涛.游梁抽油机井井下油水分离器设计及仿真分析[J].石油矿场机械,2020,0(1):20-26. |
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| 作者姓名： | 董祥伟 张立军 李增亮 张辛 刘延鑫 李风涛 |
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| 作者单位： | 1.中国石油大学(华东),山东 青岛 266580; 2.中国石油大港油田 石油工程研究院,天津 300270 |
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| 基金项目： | 国家高技术研究发展计划项目(2006AA06Z224);中央高校基本科研业务费专项资金资助项目(13CX06077A) |
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| 摘 要： | 针对游梁式抽油机井间隙供液的特点,设计了适用于139.7 mm(51/2英寸)套管的井下油水分离器,与游梁式抽油机配套使用,在井下完成油水分离、原油举升和采出水回注工艺。根据游梁抽油机的机构运动规律,推导得出了井下水力旋流器的入口流量波动曲线。将该曲线转换为流体仿真模型的瞬态入口边界条件,数值模拟得出了井下旋流器的三维瞬态流场分布,得到了底流含油浓度波动规律。
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| 关 键 词： | 游梁式抽油机 井下油水分离器 设计 分析 |
Design and Simulation of Downhole Oil-water Separation System(DOWSS) for Double-flow Pump in Beam Pump Unit |
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| DONG Xiangwei,ZHANG Lijun,LI Zengliang,ZAHNG Xin,LIU Yanxin,LI Fengtao.Design and Simulation of Downhole Oil-water Separation System(DOWSS) for Double-flow Pump in Beam Pump Unit[J].Oil Field Equipment,2020,0(1):20-26. |
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| Authors: | DONG Xiangwei ZHANG Lijun LI Zengliang ZAHNG Xin LIU Yanxin LI Fengtao |
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| Affiliation: | 1.China University of Petroleum,Qingdao 266580,China; 2.Research Institute of Petroleum Engineering,PetroChina Dagang Oilfeild Company,Tianjin 300270,China |
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| Abstract: | According to the characteristics of the discontinuous flow of the beam pumping unit,a down-hole oil-water separator suitable for 139.7 mm(5 1/2 inch)casing was designed,which could be used together with the beam pumping unit to complete oil-water separation,crude oil production and water injection process.According to the mechanism of the movement of the beam pumping unit,the inlet flow fluctuation curve of the down-hole hydro-cyclone was derived.The curve was transformed into the transient inlet boundary condition of the CFD simulation model.The three-dimensional transient flow field distribution of the down-hole cyclone was obtained by numerical simulation and the fluctuation law of the oil concentration of the underflow was obtained. |
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| Keywords: | beam-pumping unit down-hole oil water separator design analysis |
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