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[1]张科嘉　李长俊　欧阳欣　王玉彬　贾文龙.中俄东线天然气管道投产初期水合物预测及防治模拟[J].油气储运,2020,39(07):821-826.[doi:10.6047/j.issn.1000-8241.2020.07.014]
　ZHANG Kejia,LI Changjun,OUYANG Xin,et al.Hydrate prediction, prevention and control simulation at the initial stage of commissioning of China-Russia Eastern Gas Pipeline[J].Oil & Gas Storage and Transportation,2020,39(07):821-826.[doi:10.6047/j.issn.1000-8241.2020.07.014]

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中俄东线天然气管道投产初期水合物预测及防治模拟

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 39 期数: 2020年07期页码: 821-826 栏目: 出版日期: 2020-07-26

Title:: Hydrate prediction, prevention and control simulation at the initial stage of commissioning of China-Russia Eastern Gas Pipeline

文章编号:: 1000-8241（2020）07-0821-06

作者:: 张科嘉¹　李长俊¹; 3　欧阳欣²; 3　王玉彬²; 3　贾文龙¹; 3; 1. 西南石油大学石油与天然气工程学院；2. 中国石油管道科技研究中心；3. 中国石油天然气集团有限公司油气储运重点实验室

Author(s):: ZHANG Kejia¹; LI Changjun¹; 3; OUYANG Xin²; 3; WANG Yubin²; 3; JIA Wenlong¹; 3; 1. School of Petroleum Engineering, Southwest Petroleum University; 2. PetroChina Pipeline R & D Center;3. CNPC Key Laboratory of Oil & Gas Storage and Transportation

关键词:: 中俄东线; 投产; 水合物; 预测; 防治

Keywords:: China-Russia Eastern Gas Pipeline; commissioning; hydrate; prediction; prevention and control

分类号:: TE88

DOI:: 10.6047/j.issn.1000-8241.2020.07.014

文献标志码:: A

摘要:: 中俄东线天然气管道管径大、压力高、北段处于寒区，投产运行初期高压、低温条件使管道存在水合物生成风险。基于多相流理论和CSMHyK 水合物生成动力学模型，针对该管道投产第一年冬季运行工况下水合物的生成区域、生成量，水合物在管道中的堆积程度以及水合物的防治方法开展研究。结果表明：当管输天然气含水量大于150 mg/kg 时，管道存在水合物生成风险；管道中生成的水合物主要聚集在低洼管段下游，管段高差越大，水合物聚集量越多，且管道中水合物的堆积程度不仅与低洼管段上升段的高差有关，还与下坡段管道的高差及坡度有关；当选择乙二醇作为水合物抑制剂且其注入质量分数达到50％时，可以有效防止中俄东线天然气管道生成水合物。（图6，表4，参22）

Abstract:: In view of the large pipeline diameter and high pressure of China-Russia Eastern Gas Pipeline, as well as the location of the northern section in cold region, the high pressure and low temperature conditions at the initial stage of pipeline commissioning and operation may raise the risk of hydrate formation. Based on the multiphase flow theory and CSMHyK hydrate formation dynamics model, research was carried out on hydrate formatting area, amount of hydrate formation, degree of hydrate accumulation in the pipeline and hydrate control methods under winter operation conditions in the first year of commissioning of the pipeline. The results show that when the water content of the pipeline gas is more than 150 mg/kg, the pipeline is at a risk of hydrate formation. Hydrate formatted in the pipeline mainly accumulates in downstream of the low-lying pipeline section. The higher the elevation difference of the pipeline section, the more hydrate accumulates. The degree of hydrate accumulation in the pipeline is related to both the elevation difference of the upslope pipelines and the elevation difference and slope of the downslope pipelines in the low-lying pipeline section. When ethylene glycol is used as hydrate inhibitor with the injection mass fraction up to 50%, hydrate formation in China-Russia Eastern Gas Pipeline can be effectively prevented. (6 Figures, 4 Tables, 22 References)

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备注/Memo

（收稿日期：2020-03-22；修回日期：2020-04-08；编辑：刘朝阳）
基金项目：国家自然科学基金面上项目“稠密水合物浆体气液固三相混输流动机制及其对管道冲蚀规律研究”，51974269。
作者简介：张科嘉，男，1995 年生，在读硕士生，2017 年毕业于西南石油大学油气储运工程专业，现主要从事油气管道多相流技术及其工程应用方面的研究工作。地址：四川省成都市新都区新都大道8 号，610500。电话：18381081250。Email：1391236260@qq.com
通信作者：李长俊，男，1963 年生，教授，博士生导师，1987 年毕业于西南石油学院油气储运工程专业，现主要从事油气储运系统多相流理论与技术的教学和科研工作。地址：四川省成都市新都区新都大道8 号，610500。电话：13880553688。Email：lichangjunemail@sina.com

更新日期/Last Update: 2020-07-25