下倾-立管系统中严重段塞流实验研究  

Experimental Study of Severe Slugging in Downward Riser

作　　者：汪星彤 冯程 伍盛一 徐鼎淇 王卫强[1] 杜胜男[1] Wang Xingtong;Feng Cheng;Wu Shengyi;Xu Dingqi;Wang Weiqiang;Du Shengnan(College of Petroleum Engineering,Liaoning Petrochemical University,Fushun Liaoning 113001,China)

机构地区：[1]辽宁石油化工大学石油天然气工程学院,辽宁抚顺113001

出　　处：《辽宁石油化工大学学报》2023年第4期78-83,共6页Journal of Liaoning Petrochemical University

基　　金：辽宁省教育厅科学研究经费项目(L2020027)。

摘　　要：针对严重段塞流的周期特性,通过下倾-立管实验系统进行了实验研究。基于实验数据及管内压力变化情况,分析了严重段塞流周期的变化规律,并与计算模型结果进行了相互验证。结果表明,在不同的下倾管倾斜角度、气相折算速度或液相折算速度等实验参数下,管内的流动状态会发生变化;由于立管高度不变,液塞喷发和液塞回流的时间基本不变,因此严重段塞流周期主要由液塞形成和液塞出流组成,且主要受下倾管倾斜角度、气相折算速度或液相折算速度等参数的影响。Aiming at the periodic characteristics of severe slug flow an experimental study was carried out through the downwardriser system.Based on the experimental data and the variation of pressure in the pipe,the variation rule of the severe slug flow period was analyzed and verified reciprocally with the calculation model results.It turned out that the flow state in the tube would change under different experimental parameters such as the inclination angle of the downdip tube,the gas phase conversion velocity or the liquid phase conversion velocity.The time of the slug eruption and slug reflux was basically changeless on account of the height of the riser was invariant,so the period of severe slugging depends on the time of slug formation and slug outflow stages.And it was mainly affected by the inclination angle of downward riser,gas superficial velocity or liquid superficial velocity.

关 键 词：严重段塞流 气液混输 组合立管 实验研究 

分 类 号：TE832[石油与天然气工程—油气储运工程] O359[理学—流体力学]