海上油气田消除严重段塞流的节流模型研究

许路寒; 闫伊玮; 吴全红; 杜耀华; 王寒玄; 邹遂丰

doi:10.21656/1000-0887.460140

海上油气田消除严重段塞流的节流模型研究

doi: 10.21656/1000-0887.460140

1. 西安交通大学动力工程多相流国家重点实验室，西安 710049;
2. 龙源（北京）新能源工程技术有限公司，北京 100034;
3. 国家能源风电运营技术研发（实验）中心，西安 710309

基金项目:

国家重点研发计划（2022YFC2806202）；中央高校基本科研业务费（xtr042024002）

详细信息

作者简介:
许路寒（2001— ），男，硕士(E-mail: xuluhan@stu.xjtu.edu.cn);邹遂丰（1990— ），男，高级工程师，博士(通信作者. E-mail: zou_suifeng@xjtu.edu.cn).

通讯作者:
邹遂丰（1990— ），男，高级工程师，博士(通信作者. E-mail: zou_suifeng@xjtu.edu.cn).

中图分类号: O359
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出版历程
- 收稿日期: 2025-08-01
- 修回日期: 2026-05-11
- 网络出版日期: 2026-07-03
- 刊出日期: 2026-06-01

Study on the Choking Model for Elimination of Severe Slugging in Offshore Oil and Gas Fields

1. State Key Laboratory of Multiphase Flow in Power Engineering, Xi’an Jiaotong University, Xi’an 710049, P.R. China;
2. Longyuan (Beijing) New Energy Engineering Technology Co., Ltd., Beijing 100034, P.R. China;
3. National Energy Wind Power Operation Technology R&D Center, Xi’an 710309, P.R. China

摘要

摘要: 为预测以节流方式消除海上油气立管系统严重段塞流所需的阀门开度，开展室内模型实验研究.基于流型转变时立管顶部液塞流出时刻的瞬时单相流的特性，得出了抑制气液喷发所需的节流压降和阻力系数需满足的条件——节流阀压降峰值与瞬时单相流动相对应，在严重段塞流恰好消除时可取为均值的2倍.进而按定义依次求出目标阻力系数和流量系数，最后按阀门出厂或实际标定的流量特性求出开度.本预测模型避免了传统模型中两相平均参数与单相阀门特性映射不一致的问题，在150 m/DN 50与380 m/DN 80两套实验环路上的预测开度平均偏差分别为+0.55%与+1.8%；油田开度预测结果与自动控制实操偏差不超过±2%.构建的模型既可用于指导现场人工调控，也可为自动调控的目标参数设定提供参考.
- 两相流动 /
- 严重段塞流 /
- 顶部节流 /
- 阻力系数
Abstract: Laboratory experiments were performed to establish a model for predicting the valve opening of the topside choking method for elimination of severe slugging in offshore oil and gas pipeline-riser systems. Based on the outflow characteristics of liquid slug at the riser top at the flow regime transition, which can be regarded as those of transient single-phase liquid flow, the condition for gas-liquid blowout mitigation was determined, i.e. the peak value of pressure drop across the valve shall be twice its time-average value just at the elimination moment of severe slugging, corresponding to the transient single-phase liquid flow. Then, the target resistant factor and the flow coefficient were derived successively according to the defined equations. Finally, the valve opening was worked out according to either the specification document of the valve or the calibration of the flow characteristics of the valve. The prediction model innovatively correlates the peak pressure drop across the choke valve with the physical process of instantaneous single-phase flow, resolving the inconsistency of mapping averaged 2-phase parameters to single-phase valve characteristics in conventional models. The average deviation of prediction for 2 experimental loops (150-m/DN 50 and 380-m/DN 80) is +0.55% and +1.8%, respectively, for experimental data from 2 experimental pipelines; while the deviation from automatic control result is smaller than ±2% in a field case. The established model can guide manual operations and serve as a setpoint for automatic control systems in offshore fields.
- 2-phase flow /
- severe slugging /
- topside choking /
- resistant factor

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参考文献(29)

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海上油气田消除严重段塞流的节流模型研究

doi: 10.21656/1000-0887.460140

作者简介:
许路寒（2001— ），男，硕士(E-mail: xuluhan@stu.xjtu.edu.cn);邹遂丰（1990— ），男，高级工程师，博士(通信作者. E-mail: zou_suifeng@xjtu.edu.cn).

通讯作者:
邹遂丰（1990— ），男，高级工程师，博士(通信作者. E-mail: zou_suifeng@xjtu.edu.cn).

计量

Study on the Choking Model for Elimination of Severe Slugging in Offshore Oil and Gas Fields

计量

目录

留言板

海上油气田消除严重段塞流的节流模型研究

doi: 10.21656/1000-0887.460140

作者简介: 许路寒（2001— ），男，硕士(E-mail: xuluhan@stu.xjtu.edu.cn);邹遂丰（1990— ），男，高级工程师，博士(通信作者. E-mail: zou_suifeng@xjtu.edu.cn).

通讯作者: 邹遂丰（1990— ），男，高级工程师，博士(通信作者. E-mail: zou_suifeng@xjtu.edu.cn).

计量

出版历程

Study on the Choking Model for Elimination of Severe Slugging in Offshore Oil and Gas Fields

计量

出版历程

目录

作者简介:
许路寒（2001— ），男，硕士(E-mail: xuluhan@stu.xjtu.edu.cn);邹遂丰（1990— ），男，高级工程师，博士(通信作者. E-mail: zou_suifeng@xjtu.edu.cn).

通讯作者:
邹遂丰（1990— ），男，高级工程师，博士(通信作者. E-mail: zou_suifeng@xjtu.edu.cn).