利用表面活性物质去除井和管线中的液体污染后的破泡沫措施的发展

Q3 Engineering
V. Volovetskyi, Ya. Doroshenko, S. Stetsiuk, S. Matkivskyi, O. Shchyrba, Y. Femiak, G. Kogut
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引用次数: 1

摘要

目的是考虑在凝析气井运行过程中出现的复杂性,特别是液体污染的积累。开发新方法以提高多相流进入时气体收集和处理系统的分离设备性能的效率。在使用表面活性剂去除井和管线中的液体污染物后,开发气液流动中的破泡方法。分析了使用表面活性剂去除井和管线中的液体污染物时可能出现的并发症。已经制定了措施,将有可能及时防止泡沫进入气体收集和处理系统的分离设备。利用计算流体力学(CFD)模型,通过提供稳定的凝析油,研制了一种有效的破泡装置。阐述了一种利用表面活性剂溶液,最大限度地减少泡沫对油井脱液后分离设备运行和凝析气田管线运行的负面影响的方法。提出了一种防止泡沫流入气体处理装置的破壁方法。该方法预测了向进入第一段分离装置的气液流(包括主线和测量线)分离器的气液流提供稳定的烃类凝析液的工艺方案布置的应用。采用CFD模型研究了油气凝析液注入破泡过程。分析了凝析油供给方式对气相动力学过程(压力分布、速度分布、相体积颗粒分布)和破泡效率的影响。结果表明,从一个分支管道向泡沫移动的管道输送凝析油并不能保证泡沫的完全破裂。为了提高破泡效率,设计了一种四喷嘴供凝析油装置。CFD模型可以证实,在这种情况下,冷凝水供应处出现了一个减压区。由于压力的急剧变化,泡沫破裂的效果有了很大的改善。了解了凝析油破泡过程的规律,设计了一种完全破泡装置。实验室研究结果表明,在矿化地层水模型中加入稳定的凝析油体积增加的情况下,泡沫的稳定性急剧下降。在CFD模拟结果的基础上,设计了稳定凝析油破泡装置,并将在实验和现场条件下验证其有效性。进行的实验室研究和CFD建模的结果允许使用更合理的方法和措施,以防止泡沫随着气液流进入气体收集和处理系统的分离设备。这种方法使开发新的有效方法和措施来预防这种并发症成为可能。基于CFD模型,发现当稳定的油气凝析液进入气液流动时,泡沫破裂。本文提出了一种在气液流动中破泡的方法,该方法具有独创性,可应用于实际。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Development of foam-breaking measures after removing liquid contamination from wells and flowlines by using surface-active substances
The purpose is to consider the complications that arise during the operation of gas condensate wells, in particular, the accumulation of liquid contamination. Development of new approaches to improve the efficiency of the separation equipment performance of gas gathering and treatment systems when a multiphase flow enters. Development of a foam breaking method in a gas-liquid flow after removal of liquid contaminants from wells and flowlines using surfactants. An analysis was made of the complications that may arise when removing liquid contaminants from wells and flowlines using surfactants. Measures have been developed that will make it possible to timely prevent the ingress of foam into the separation equipment of gas gathering and treatment systems. Using computational fluid dynamics (CFD) modelling, an effective foam-breaking device was developed by supplying stable hydrocarbon condensate. A method to minimize the negative impact of foam on the operation of separation equipment after fluid removal from wells and gas condensate field flowlines using a surfactant solution was elaborated. A method for its breaking was proposed to prevent the flow of foam into the gas processing unit. This method foresees the application of the technological scheme layout for supplying a stable hydrocarbon condensate to a gas-liquid flow entering the separators of the first of separation, both the main line and the measuring line. CFD modelling was used to study the process of foam breaking by feeding hydrocarbon condensate into it. The influence of the hydrocarbon condensate supplying method on gas-dynamic processes (distribution of pressure, velocity, volumetric particles of phases), and the efficiency of foam breaking was estimated. It was established that the supply of hydrocarbon condensate from one branch pipe to the pipeline through which the foam moved did not ensure its complete breaking. To increase the efficiency of foam breaking, a device with designed four nozzles for supplying hydrocarbon condensate was developed. CFD modelling made it possible to substantiate that in this case, a pressure reduction zone appeared at the place of condensate supply. Because of a sharp change in pressure, a strong improvement in the effect of foam breaking occurred. The understanding of the regularities of foam breaking processes by hydrocarbon condensate was obtained, and the design of a device for the complete foam breaking was developed. The obtained results of laboratory studies have shown that a sharp decrease in the stability of the foam occurs under the condition of an increase in the volume of stable hydrocarbon condensate added to the studied model of mineralized formation water. Based on the results of CFD modeling, a device for breaking foam by stable hydrocarbon condensate has been worked out, the effectiveness of which will be confirmed experimentally and in field conditions. The results of the performed laboratory studies and CFD modelling allow a more reasonable approach to using various available methods and measures to prevent the ingress of foam with a gas-liquid flow into the separation equipment of gas gathering and treatment systems. This approach makes it possible to develop new effective ways and measures to prevent this complication. Based on CFD modelling, it was found that when a stable hydrocarbon condensate is supplied into a gas-liquid flow, foam breaks. A method for breaking foam in a gas-liquid flow has been developed, which is original and can be introduced in practice.
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来源期刊
Journal of Achievements in Materials and Manufacturing Engineering
Journal of Achievements in Materials and Manufacturing Engineering Engineering-Industrial and Manufacturing Engineering
CiteScore
2.10
自引率
0.00%
发文量
15
期刊介绍: The Journal of Achievements in Materials and Manufacturing Engineering has been published by the Association for Computational Materials Science and Surface Engineering in collaboration with the World Academy of Materials and Manufacturing Engineering WAMME and the Section Metallic Materials of the Committee of Materials Science of the Polish Academy of Sciences as a monthly. It has 12 points which was received during the evaluation by the Ministry of Science and Higher Education journals and ICV 2017:100 on the ICI Journals Master list announced by the Index Copernicus. It is a continuation of "Proceedings on Achievements in Mechanical and Materials Engineering" published in 1992-2005. Scope: Materials[...] Properties[...] Methodology of Research[...] Analysis and Modelling[...] Manufacturing and Processingv Biomedical and Dental Engineering and Materials[...] Cleaner Production[...] Industrial Mangement and Organisation [...] Education and Research Trends[...]
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