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[1]陈荣,陈晓勤.苏丹3/7区原油管道加剂运行安全经济评价[J].油气储运,2011,30(12):899-901.[doi:10.6047/j.issn.1000-8241.2011.12.006]
　Chen Rong and Chen Xiaoqin.Safety and economy evaluation of PPD-added oil pipeline in the 3/7 Block of Sudan[J].Oil & Gas Storage and Transportation,2011,30(12):899-901.[doi:10.6047/j.issn.1000-8241.2011.12.006]

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苏丹3/7区原油管道加剂运行安全经济评价

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 30 期数: 2011年12期页码: 899-901 栏目: 出版日期: 2011-12-25

Title:: Safety and economy evaluation of PPD-added oil pipeline in the 3/7 Block of Sudan

文章编号:: 1000-8241(2011)12-0899-03

作者:: 陈荣; 陈晓勤; 中国石油勘探开发研究院国际项目评价研究所，北京 100083

Author(s):: Chen Rong and Chen Xiaoqin; Chen Rong：PetroChina Exploration and Development Research Institute，Beijing，100083.

关键词:: 苏丹3/7区; 高凝原油; 长输管道; 降凝剂; 安全; 节能

Keywords:: Sudan 3/7 Block; high set point crude; long-distance pipeline; pour point depressant; safety; energy saving

分类号:: TE832

DOI:: 10.6047/j.issn.1000-8241.2011.12.006

文献标志码:: A

摘要:: 苏丹3/7区所产原油属于高凝原油，采用加降凝剂综合热处理工艺可以有效降低管输能耗。模拟计算了加入降凝剂后管道停输再启动的运行参数，结果表明：最易发生凝管现象的PS4－PS5管段冬季停输50 h，加降凝剂前后沿线平均油温均高于原油凝点，在事故状态下，冬季最大允许停输时间由目前的2.8 d增加到3.5 d，提高了管道运行的安全性。对加降凝剂后PS2－PS6管段停输温降过程的工艺参数进行了模拟计算，结果表明：苏丹3/7区原油外输管道加降凝剂后，可以实现由目前的3台加热炉在线降为1台加热炉在线，特别是在夏季，可实现全线不加热输送，年节约燃油费用为1 244×104美元。研究结论可为合理制定管道加剂运行方案提供技术支撑。

Abstract:: The crude oil produced in Sudan 3/7 Block is a high set point crude，and if the heated transportation process is used separately，the energy consumption will be higher. However，if the comprehensive process with PPD/heating treatment is adopted，the energy consumption of pipeline will be effectively reduced. Running parameters of pipeline with PPD added at shutdown and restart conditions were numerically simulated. Results showed that when the shutdown duration for the Pipeline Section PS4-PS5 which was more prone to gel in winter enlarges to 50 hr，the mean temperature of oil of the whole line with or without PPD was higher than the set point of oil，the max allowable shutdown duration was increased from 2.8 d to 3.5 d in winter in the case of accident，which increased the operation safety of pipeline. Simulated calculation on the parameters produced in the temperature drop duration of closed Pipeline Section PS2-PS6 with or without PPD was carried out. Results indicated that for the oil pipeline with PPD，3 heaters currently operated could be cut down to 1 heater，and especially，constant temperature transportation could be realized in summer，which saved the fuel cost up to 1 244×104 USD/yr. It is considered that the research conclusions can provide the technical support to the constitution of a reasonable operation program for the pipeline with PPD.

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备注/Memo

陈荣，工程师，在读博士生，1971年生，2006年硕士毕业于中国石油勘探开发研究院油气储运专业，现主要从事油气储运专业相关技术方向的研究工作。电话：15101192853；Email：chen4905@sina.com（收稿日期：2011-03-01）

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