Application and Signi.cance of Flow Assurance on One Crude Oil Pipeline in North China
Unlike ordinary re.ned products, high waxy crude oil has a potential serious safety problem during transportation because of its non-Newtonian characteristic. Further, the operating parameters of the pipeline and physical properties of the crudes are varied. Hence a common practice for the waxy crude pipeline operator is to overheat the transported crude in order to avoid any potential safety problems. However, this could lead to high energy consumption and not necessarily guarantee the safety of the pipeline because the entire system is a non-linear system and the parameters contains a large amount of uncertainly. Therefore flow assurance which means ensuring the safety of hydro carbon transmission is of great importance for pipeline company in China. In the paper, the mathematical model for simulating non-Newtonian flow is briefly presented, then the flow assurance technique and its process are generally explained. The evaluation results are obtained by using the knowledge and the results show that with the flow assurance technique, the safety is assured in all cases and the energy consumption is signi.cantly reduced by about 20％ in one typical case. Further, the content of the flow assurance technique is based on the real. eld data and the experiment data of the transported crudes. Therefore thetechnique could be generally applied to all the hydro carbon pipelines if the data accuracy is guranteed.
high waxy crude oil pipeline flow assurance numerical simulation restart critical flow point
Qing Miao Bo Xu Long Wang Jianjun Liu XiangDong Xue
Petrochina R &DCenter, Langfang city, P.R.C Flow Assurance Group, Petrochina R & D Center
国际会议
2011 China Control and Decision Conference(2011中国控制与决策会议 CCDC)
四川绵阳
英文
854-857
2011-05-23（万方平台首次上网日期，不代表论文的发表时间）