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The parametric study of an electrical submersible pump rotary gas separator under two-phase flow condition | ||
| Energy Equipment and Systems | ||
| مقاله 4، دوره 3، شماره 1، فروردین 2015، صفحه 33-44 اصل مقاله (1.78 M) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22059/ees.2015.54471 | ||
| نویسندگان | ||
| Saba Darbani؛ Alireza Riasi* ؛ Amir Nejat | ||
| School of Mechanical Engineering, College of Engineering, University of Tehran, P.O. Box 11155-4563, Tehran, Iran | ||
| چکیده | ||
| The performance of the electric submersible pump (ESP) significantly affected by Gas Void Fraction (GVF). Thus, using of a Rotary Gas Separator (RGS) is a suitable solution for this issue. The performance of the RGS is function of different parameters such as geometry of impeller, rotating speed, boundary conditions, media viscosity and GVF. In this study, the influences of GVF, viscosity, and flow rate on vortex and paddle wheel gas separator have been studied. For this purpose, commercial CFD software has been implemented. As results show, paddle wheel geometry is more efficient in comparison to the vortex gas separator in same conditions. Nevertheless, low efficient region occurs in high flow rates. In other words in flow rates higher than 1000 bpd efficiency of separator is lower than 50% which means that only the natural separation occurs in RGS equipment. Paddle wheel separator is more sensitive to GVF increase in high viscosities and the dropdown of efficiency in viscosity of 10 cp is about 20 in percent. The opposite happens with vortex gas separator in which the separation efficiency is more sensitive to increase of GVF of liquid stream in lower viscosities. | ||
| کلیدواژه‌ها | ||
| Rotary Gas Separator؛ Electric Submersible Pump (ESP)؛ Paddle Wheel Gas Separator؛ Vortex Gas Separator | ||
| مراجع | ||
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[1] Zhongyi, W., Changlong Y., Jia H., Yunliang Y., The Analysis of Internal Flow Field in Oil-Gas Separator, Procedia Engineering 15, (2011). [2] Michael J. Economides,A. Daniel Hill, Christine Ehlig-Economides, Petroleum Production Systems , Prentice Hall., PTR, New Jersey, (1993). [3] Takacs G., Electrical Submersible Pumps Manual: Design, Operations, and Maintenance: Access online via Elsevier, (2009). [4] Herl S., Eudey D., Electric Submersible Pumps Fine Tuned for Gassy Wells, Schlumberger and Chesapeake Energy, Technology Report, June 15, (2009). 5] Liu H., Guo Q., Hu P., Domestic and overseas Liquid-Liquid Hydro Cyclone Separator Research, Drilling and Production Technology, (2007). [6] Yuan H., Separate Project, Beijing, China Petrifaction Press, (2002). [7] Zhongyi, W., Changlong Y., Jia H., Yunliang Y., The Analysis of Internal Flow Field in Oil-Gas Separator, Procedia Engineering 15, (2011). [8] Alhanati F. J. S., Doty D. R., Schmit Z., A Simple Model for the Efficiency of Rotary Separators, SPE Production and Operation Conference, Technology Report, 28 September (1994). [9] Harun A. F., Prado M. G., Shirazi S. A., An Improved Model for Predicting Separation Efficiency of a Rotary Gas Separator in ESP Systems, University of Tulsa and Society of Petroleum Engineering, (2002). [10] Lackner G., Alhanati F. J. S., Shirazi S. A., Numerical Simulation of Gas-Liquid Flow in a Rotary Gas Separator, University of Tulsa, (1998). [11] Lackner G., The Effect of Viscosity on Downhole Gas Separation in a Rotary Gas Separator, University of Tulsa, (1997). [12] Harun A. F., Prado M. G., Doty D. R., Design Optimization of Rotary Gas Separator in ESP Systems, University of Tulsa and Society of Petroleum Engineering, (2003). [13] Alhanati F. J. S., Doty D. R., Schmit Z., A Simple Model for the Efficiency of Rotary Separators, SPE Production and Operation Conference, Technology Report, 28 September (1994). [14] Maier W., Chochua G., Biba Y., Development of a Rotating Centrifugal Separator Technology for Centrifugal Compressor, GT2010-22222, United Kingdom, Proceedings of ASME Turbo Export 2010, Glasgow. | ||
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