阿赛线新旧管线交替运行投产技术研究
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摘要
阿赛线于1989年建成投产,经过20余年的运行,管道及各站阀门老化,全线自动化水平较低,2017年对3号站到末站段管道共261 km进行了更换。在新建管道投产过程中,利用不停输带压封堵技术搭设临时流程,采用新建管线与在役管线交替运行的方式,保证了在役管线的正常运行和新建管线的顺利投产。投产前,通过热力和水力计算确定了用水量、油水升温方案和预热方案等。投产期间制定了投产运行大表,细化了时间运行节点,严格控制温升速度,详细记录运行参数,经过热水储存,废弃管线清洗,新建管线充水试压、预热、替油、投油和水处理等一系列过程,保证了管线的正常投产。
Aershan-Sahantara pipeline was established and put into production in 1989. After 20-year operation, its pipes and valves in stations have been aged, and the automation level the whole line is low. In 2017, the pipeline between No. 3 station and the terminal station, with a length of 261 km,was replaced. In the production process of the new pipeline, the temporary process is set up by using the technology of non-stop plugging. The alternative operation mode of new and existing pipelines is applied, which ensures the normal operation of existing pipelines and the smooth operation of new pipelines. Before putting into production, water consumption, the heating scheme of oil and water and the preheating scheme are determined through thermal and hydraulic calculation. During production, a large table is developed, then the time running nodes are detailed, the temperature rising speed is strictly controlled and the operating parameters are recorded. Through several steps, including the hot water storage, waste pipeline cleaning, the water filling and pressure test of new pipelines,preheating,replacement of oil,starting transportation of oil and water treatment,the normal production of the pipeline can be ensured.
Aershan-Sahantara pipeline was established and put into production in 1989. After 20-year operation, its pipes and valves in stations have been aged, and the automation level the whole line is low. In 2017, the pipeline between No. 3 station and the terminal station, with a length of 261 km,was replaced. In the production process of the new pipeline, the temporary process is set up by using the technology of non-stop plugging. The alternative operation mode of new and existing pipelines is applied, which ensures the normal operation of existing pipelines and the smooth operation of new pipelines. Before putting into production, water consumption, the heating scheme of oil and water and the preheating scheme are determined through thermal and hydraulic calculation. During production, a large table is developed, then the time running nodes are detailed, the temperature rising speed is strictly controlled and the operating parameters are recorded. Through several steps, including the hot water storage, waste pipeline cleaning, the water filling and pressure test of new pipelines,preheating,replacement of oil,starting transportation of oil and water treatment,the normal production of the pipeline can be ensured.
引文
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[3]高宏扬,王鹏,张昊,等.兰郑长成品油管道投产运行问题[J].油气储运,2010,29(12):952-953.
[4]高发连,刘双双,付强.西部成品油管道空管投油的技术分析[J].油气储运,2006,25(11):58-60.
[5]许玉磊,翟培君,郭锴,等.兰郑长成品油管道投产方式研究[J].管道技术与设备,2015(2):75-77.
[6]陈国群,马克锋,丁芝来,等.热油管道启输投产热力计算[J].油气储运,2005,24(7):13-16.
[7]孙超,王为民,晏金龙,等.埋地热油管道正向预热过程的计算与分析[J].管道技术与设备,2008(2):16-17.
[8]马海峰,游泽彬,许琛琛,等.热油管道投产临时输水设施及预热介质用量[J].油气储运,2013,32(12):1 363-1 366.
[9]郝荣贵.原油管道投产研究[J].化工管理,2014(1):55.
[10]于涛,顾建栋,刘丽君,等.石兰原油管道投产异常工况与解决措施[J].油气储运,2011,30(10):758-760.
[11]丁俊刚,王中良,刘佳,等.兰成原油管道投产实践[J].油气储运,2015,34(11):1 198-1 201.
[12]孙云峰,王中良,王力,等.兰成原油管道投产问题分析及处理[J].管道技术与设备,2016(1):19-21.
[13]李海涛.埋地热油管道投产方案模拟分析[J].现代化工,2016,36(6):195-196,198.
[14]田玉宝,王海平,闫振奎.靖咸输油管道投产的工艺问题分析及处理[J].油气储运,2001,20(11):39-40.
[15]李贵宾.管道不停输带压封堵施工新技术[J].油气储运,2005,24(1):48-51.
[16]李晓平,陈伟,王卓军,等.阿布扎比管道投产事故分析[J].油气田地面工程,2016,35(11):6-8.