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[1]陈建磊,石家凯,杨光,等.起伏湿气管道临界携液气速计算模型[J].油气储运,2022,41(01):70-75.[doi:10.6047/j.issn.1000-8241.2022.01.010]
CHEN Jianlei,SHI Jiakai,YANG Guang,et al.Calculation model for critical liquid-carrying gas velocity of undulating wet gas pipelines[J].Oil & Gas Storage and Transportation,2022,41(01):70-75.[doi:10.6047/j.issn.1000-8241.2022.01.010]
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CHEN Jianlei,SHI Jiakai,YANG Guang,et al.Calculation model for critical liquid-carrying gas velocity of undulating wet gas pipelines[J].Oil & Gas Storage and Transportation,2022,41(01):70-75.[doi:10.6047/j.issn.1000-8241.2022.01.010]
起伏湿气管道临界携液气速计算模型
《油气储运》[ISSN:1000-8241/CN:13-1093/TE]
卷:
41
期数:
2022年01期
页码:
70-75
栏目:
工艺与工程
出版日期:
2022-01-25
- Title:
- Calculation model for critical liquid-carrying gas velocity of undulating wet gas pipelines
- 文章编号:
- 1000-8241（2022）01-0070-06
- Keywords:
- undulating pipelines; liquid loading; critical liquid-carrying gas velocity; liquid holdup; OLGA
- 分类号:
- TE832
- 文献标志码:
- A
- 摘要:
- 在地形起伏地区，由于管道内水蒸气、凝析液等析出，地形低洼处管道易形成积液，堵塞管道，降低输气效率，危及管道及设备安全。为此，结合现场实际生产数据，对上倾管道中临界携液气速进行研究，发现随表观气速的增加，上倾管道压降先减小后增加。取最小压降点为临界携液状态，其对应气体表观流速为临界携液气速。探究不同管道倾角、含水率、管径下的临界携液气速变化规律，发现临界携液气速随管道倾角增加呈对数变化趋势，随含水率、管径增加线性增加。结合液膜模型假设得到临界携液气速公式，采用现场数据进行模拟，验证了该公式具有良好的预测效果。（图8，表2，参20）
- Abstract:
- In the undulating terrain area, liquid loading may be formed in the pipelines in the low-lying area due to the precipitation of water vapor and condensate in the pipelines, which may block the pipelines and reduce the efficiency of gas transportation, further threatening the safety of the pipelines and equipment. Therefore, the critical liquid-carrying gas velocity in updip pipelines was studied with reference to the actual production data. It is found that the pressure drop of updip pipeline decreases at first and then increases with the increase of superficial gas velocity. Regarding the minimum pressure drop point as the critical state of liquid carrying, the superficial gas velocity is the critical liquid-carrying gas velocity. As shown in the studies on change rule of the critical liquid-carrying gas velocity under different dip angles, water content and pipeline diameter, the critical liquid-carrying gas velocity changes logarithmically with the increase of dip angle. Besides, it also increases linearly with the increasing of water content and pipeline diameter. By obtaining the critical liquidcarrying gas velocity formula in combination with the liquid film model hypothesis, the prediction effect of the formula is simulated and verified with the field data. (8 Figures, 2 Tables, 20 References)
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备注/Memo
收稿日期：2021-09-19；修回日期：2021-11-29；编辑：刘朝阳基金项目：中石化集团公司科研项目“高含硫气田平台期开发生产安全保障技术及工业化应用”，319022-12。作者简介：陈建磊，男，1985 年生，高级工程师，2014 年博士毕业于中国石油大学（华东）油气储运工程专业，现主要从事油气管道高效输送与安全管理相关研究工作。地址：山东省东营市东营区济南路49 号，257061。电话：13181860980。Email：jianleichen@163.com
更新日期/Last Update:
2022-01-25