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[1]王小龙,张劲军,韩善鹏.原油凝点波动大时管道流动保障分析方法[J].油气储运,2014,33(8):844-847,851.[doi:10.6047/j.issn.1000-8241.2014.08.009]
　WANG Xiaolong,ZHANG Jinjun,HAN Shanpeng.Amethod for pipeline flow assurance analysis of crude oil with larger fluctuation of gel point[J].Oil & Gas Storage and Transportation,2014,33(8):844-847,851.[doi:10.6047/j.issn.1000-8241.2014.08.009]

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原油凝点波动大时管道流动保障分析方法

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 33 期数: 2014年第8期页码: 844-847,851 栏目: 出版日期: 2014-08-25

Title:: Amethod for pipeline flow assurance analysis of crude oil with larger fluctuation of gel point

作者:: 王小龙; 张劲军; 韩善鹏; 中国石油大学(北京)油气管道输送安全国家工程实验室/城市油气输配技术北京市重点实验室, 北京102249

Author(s):: WANG Xiaolong; ZHANG Jinjun; HAN Shanpeng; National Engineering Laboratory for Pipeline Safety/Beijing Key Laboratory of Urban Oil&Gas Distribution Technology, China University of Petroleum(Beijing), Beijing, 102249

关键词:: 原油管道; 流动保障; 凝点; 统计分析; 不确定性; 可靠性

Keywords:: crude oil pipeline; flow assurance; gel point; statistical analysis; uncertainty; reliability

分类号:: TE832

DOI:: 10.6047/j.issn.1000-8241.2014.08.009

摘要:: 根据原油凝点与油温或地温的关系分析管道的流动保障安全性是常用方法，然而，在实际管道输送中，原油凝点会有一定波动，但现行SY/T 5536―2004《原油管道运行规程》没有明确凝点的取值方法，故当凝点波动幅度较大时，难以直接采用该技术规范。为此，提出基于凝点的均值和标准差两个统计特征值，结合现行技术规范，综合分析凝点均值及“均值加1～3倍标准差”与油温或地温的关系，判断管道流动保障安全性的方法。针对管输原油凝点波动很大的某长输管道，分析了其常温输送的可行性，验证了该方法的实用性。

Abstract:: To compare the gel point of crude oil with the oil temperature or the ambient temperature is a common practice in the flow assurance assessment of crude oil pipelines.Actually,the gel point of the pumped crude oil definitely has some uncertainty,i.e.fluctuating in some extent.However,the current technical code of "The Operation Regulation of Crude Oil Pipeline"(SY/T 5536-2004)does not explicitly state how to take the gel point value,and consequently it is hard to be applied to the situation that the gel point has great uncertainty.To solve this problem,it is suggested that the mean and the standard deviation of the gel point be used,and compare the two statistical values,i.e.the mean and the value of the mean added by 1 to 3 times of the standard deviation,with the oil temperature or the ambient temperature in the flow assurance assessment using the current technical code.As an illustration of this method,the possibility of no-heating operation is assessed for a long-distance pipeline transporting crude oils whose gel point has great uncertainty.

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备注/Memo

收稿日期:2014-3-28;改回日期:2014-4-3。
基金项目:国家自然科学基金重点项目“深水环境下易凝高黏原油-天然气输送系统流动保障基础问题研究”，51134006；中国石油大学（北京）科研基金项目“油气管道流动保障基础问题研究”，LLYJ-2011-55。
作者简介:王小龙，在读博士生，1964年生，2000年硕士毕业于西南石油大学管理工程专业，现主要从事油气管道输送技术研究及运行管理工作。Tel：010-89734627，Email：zhangjj@cup.edu.cn

更新日期/Last Update: 1900-01-01