一种新型水力旋流器井下油水分离工具的结构优化与性能评价

IF 2.6 3区 工程技术 Q3 ENERGY & FUELS Journal of Energy Resources Technology-transactions of The Asme Pub Date : 2023-11-07 DOI:10.1115/1.4064001
Xiaojie Zhao, Kai Zhao, Xuan Zhang, Yang Gao, He Liu
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引用次数: 0

摘要

摘要基于旋流分离原理和3D打印技术,提出了一种用于油井轴流旋流分离器的变螺距旋流器结构。采用Plackett-Burman设计、响应面设计和计算流体力学相结合的方法对变螺距水力旋流器的结构参数进行了优化。重要结构参数与分离效率之间建立了二次多项式数学关系。系统分析了进口流量、分流比和油相体积分数对油水分离性能的影响。为验证数值模拟结果的准确性和优化结构的有效性,建立了油水旋流分离实验室试验系统。水力旋流器的最佳溢流分流比为30%,进口流量为96 m3/d,油浓度为2%。这些优化参数的组合使实验分离效率达到99.38%,高于传统结构的分离效率。实验结果与仿真结果吻合较好。
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Structure optimization and performance evaluation of downhole oil-water separation tools: a novel hydrocyclone
Abstract Based on the principle of cyclone separation and 3D printing technology, a novel variable pitch hydrocyclone structure was proposed for the axial flow hydrocyclone separators of oil wells. The structural parameters of this variable pitch hydrocyclone were optimized via a combined approach of the Plackett-Burman design, response surface design and computational fluid dynamics. A quadratic polynomial mathematical relationship between significant structural parameters and separation efficiency was established. The effects of the inlet flow rate, split ratio and oil phase volume fraction on oil-water separation performance were systematically analyzed. A laboratory test system for oil-water swirl separation was constructed to verify the accuracy of numerical simulation results and the efficiency of the optimized structure. The optimal overflow split ratio, inlet flow rate and oil concentration for the hydrocyclone are 30%,96 m3/d and 2%, respectively. The combination of these optimal parameters results in an experimental separation efficiency of 99.38%, which is higher than that of the conventional structure. The experimental results are in good agreement with the simulation results.
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来源期刊
CiteScore
6.40
自引率
30.00%
发文量
213
审稿时长
4.5 months
期刊介绍: Specific areas of importance including, but not limited to: Fundamentals of thermodynamics such as energy, entropy and exergy, laws of thermodynamics; Thermoeconomics; Alternative and renewable energy sources; Internal combustion engines; (Geo) thermal energy storage and conversion systems; Fundamental combustion of fuels; Energy resource recovery from biomass and solid wastes; Carbon capture; Land and offshore wells drilling; Production and reservoir engineering;, Economics of energy resource exploitation
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