胜利海上油田输送管的冲蚀特性
Erosion Characteristics of Pipeline in Shengli Offshore Oil Field
摘 要
胜利海上油田累计开发时间长达26 a，部分平台采油井进入开采后期，出砂严重，油田管线寿命缩短，可能发生原油泄漏事故。针对平台连接输送管中的含砂冲蚀现象进行了分析探讨。使用CFD数值分析方法，考虑油气水三相流体与砂粒之间的相互作用，获得了该管道在不同输送量和含沙量下的砂粒流动特性及其对管壁的腐蚀特性。结果表明：砂粒堆积主要发生在管道弯头的外侧区域。冲蚀率随着输液量的增加而增大，冲蚀范围也同时增加。相同输液量条件下，冲蚀率随着含砂率的增加而增大，但对冲蚀范围无明显影响。
输送管
油气水三相流
冲蚀
offshore oil field
pipeline
three phase flow
erosion
Abstract
The cumulative production time of Shengli Offshore Oilfield has been as long as 26 years, and some platform production wells has entered the late stage of production, and sand production has been severe, which may shorten the life of oilfield pipelines and cause crude oil leakage accidents. The phenomenon of sand-bearing erosion in the conveying pipe connected to the platform was analyzed and discussed. Using CFD numerical analysis method, considering the interaction between oil, gas and water three-phase fluid and sand, the sand flow characteristics and the corrosion characteristics of the pipe wall under conditions of different conveyance and sand content of the pipeline were obtained. The results showed that sand accumulation mainly occurred in the outer area of the pipe elbow. The erosion rate increased with the increase of the infusion volume, and the erosion range also increased at the same time. Under the same infusion volume condition, the erosion rate increased with the increase of the sand content, but it had no obvious effect on the erosion range.
中图分类号 TG172 DOI 10.11973/fsyfh-202202006
所属栏目 试验研究
基金项目 陕西省科学技术发展项目（2014k08-27）；陕西省教育厅重点实验室科研计划（15JS086）
收稿日期 2020/8/15
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引用该论文: WANG Qianlong,JING Bo,GONG Jun,LI Bingxian,WEN Yu. Erosion Characteristics of Pipeline in Shengli Offshore Oil Field[J]. Corrosion & Protection, 2022, 43(2): 34
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参考文献
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【3】SPRAGUE P J. Mass transfer and erosion-corrosion in pipe bends[J]. Exeter:university of exeter, 1984.
【4】ZHANG B, CHEN H. Numerical calculation of the movement of particles within gas-particle mixture in arbitrarily curvilinear pipe and the erosion of pipe[J]. acta aerodynamica sinica, 1992, 10.
【5】GUZMAN A, OYARZUN D, WALCZAK M, et al. Time dependent behavior of impact angle in turbulkent pipe flows experience erosion[C]//Aps Meeting. APS Meeting Abstracts, 2016.
【6】ZHANG J X, FAN J C, WANG T, et al. Experimental study and numerical simulation of erosion wear on high-pressure pipe and tee[C]//International Conference on Pipelines and Trenchless Technology. October 16-18, 2013, Xi'an, China.Reston, VA, USA:American Society of Civil Engineers, 2013:927-934.
【7】MISHRA R, SINGH S N, SESHADRI V. Study of wear characteristics and solid distribution in constant area and erosion-resistant long-radius pipe bends for the flow of multisized particulate slurries[J]. Wear, 1998, 217(2):297-306.
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