关于高水切割原油低温运输中的接口演变和阻塞特征的研究
Peiyang Xu1,2, Xiaoxiao Dou3,4, Limin He1,2
1College of Pipeline and Civil Engineering, China University of Petroleum (East China), Qingdao 266580, P. R. China.
ACS omega
|May 12, 2025
概括
低温油和水流可以导致由于温度歇斯底里和接口演变而导致管道堵塞. 这项研究揭示了流量和温度场如何相互作用导致这些问题,提高了油井流体运输的安全性.
科学领域:
- 石油工程是石油工程中的一个.
- 流体动力学 流体动力学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 从高水切割油井生产的液体的低温运输面临着温度值故障和管道堵塞等挑战.
- 这些问题可能导致重大安全事故和运营中断.
研究的目的:
- 在低温条件下的非同热,非牛顿式油/水双相流中研究接口演变和多场合效应.
- 阐明温度值歇斯底里和管道堵塞背后的机制.
- 了解低温运输过程中压力激增和多相流动不稳定的动态.
主要方法:
- 计算流体动力学 (CFD) 模拟被用来建模两相流.
- 线性稳定性分析被用来研究接口不稳定性和形成.
- 现场实验与数值模拟相结合,进行了全面的分析.
主要成果:
- 提出了一个温度值歇斯底里和传统测量方法失败的机制,与流量和温度场的协同效应有关.
- 阐明了分层基流的组成以及在低温条件下油/水接口的形成.
- 界面不稳定性,形形成和形区域的显著流动阻力被确定为阻塞形成的关键因素.
- 发现不足的剪切力和粘性塑料散射机制驱动了油相运输和压力波动.
结论:
- 该研究系统地澄清了低温油/水运输中的压力波动动态和阻塞形成机制.
- 它揭示了以前未知的多相流动不稳定性,为防止安全事故提供了关键的见解.
- 这些发现为开发改进的战略提供了基础,以确保生产的流体的安全和高效运输.
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