A Review of Experiments and Modeling of Gas-Liquid Flow in Electrical Submersible Pumps
As the second most widely used artificial lift method in petroleum production (and first in produced amount), electrical submersible pump (ESP) maintains or increases flow rate by converting kinetic energy to hydraulic pressure of hydrocarbon fluids. To facilitate its optimal working conditions, an...
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MDPI AG
2018-01-01
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Series: | Energies |
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Online Access: | http://www.mdpi.com/1996-1073/11/1/180 |
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author | Jianjun Zhu Hong-Quan Zhang |
author_facet | Jianjun Zhu Hong-Quan Zhang |
author_sort | Jianjun Zhu |
collection | DOAJ |
description | As the second most widely used artificial lift method in petroleum production (and first in produced amount), electrical submersible pump (ESP) maintains or increases flow rate by converting kinetic energy to hydraulic pressure of hydrocarbon fluids. To facilitate its optimal working conditions, an ESP has to be operated within a narrow application window. Issues like gas involvement, changing production rate and high oil viscosity, greatly impede ESP boosting pressure. Previous experimental studies showed that the presence of gas would cause ESP hydraulic head degradation. The flow behaviors inside ESPs under gassy conditions, such as pressure surging and gas pockets, further deteriorate ESP pressure boosting ability. Therefore, it is important to know what parameters govern the gas-liquid flow structure inside a rotating ESP and how it can be modeled. This paper presents a comprehensive review on the key factors that affect ESP performance under gassy flow conditions. Furthermore, the empirical and mechanistic models for predicting ESP pressure increment are discussed. The computational fluid dynamics (CFD)-based modeling approach for studying the multiphase flow in a rotating ESP is explained as well. The closure relationships that are critical to both mechanistic and numerical models are reviewed, which are helpful for further development of more accurate models for predicting ESP gas-liquid flow behaviors. |
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format | Article |
id | doaj.art-8fa61fb419b244878c89140e26cccd22 |
institution | Directory Open Access Journal |
issn | 1996-1073 |
language | English |
last_indexed | 2024-04-13T00:28:00Z |
publishDate | 2018-01-01 |
publisher | MDPI AG |
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series | Energies |
spelling | doaj.art-8fa61fb419b244878c89140e26cccd222022-12-22T03:10:33ZengMDPI AGEnergies1996-10732018-01-0111118010.3390/en11010180en11010180A Review of Experiments and Modeling of Gas-Liquid Flow in Electrical Submersible PumpsJianjun Zhu0Hong-Quan Zhang1McDougall School of Petroleum Engineering, The University of Tulsa, Tulsa, OK 74104, USAMcDougall School of Petroleum Engineering, The University of Tulsa, Tulsa, OK 74104, USAAs the second most widely used artificial lift method in petroleum production (and first in produced amount), electrical submersible pump (ESP) maintains or increases flow rate by converting kinetic energy to hydraulic pressure of hydrocarbon fluids. To facilitate its optimal working conditions, an ESP has to be operated within a narrow application window. Issues like gas involvement, changing production rate and high oil viscosity, greatly impede ESP boosting pressure. Previous experimental studies showed that the presence of gas would cause ESP hydraulic head degradation. The flow behaviors inside ESPs under gassy conditions, such as pressure surging and gas pockets, further deteriorate ESP pressure boosting ability. Therefore, it is important to know what parameters govern the gas-liquid flow structure inside a rotating ESP and how it can be modeled. This paper presents a comprehensive review on the key factors that affect ESP performance under gassy flow conditions. Furthermore, the empirical and mechanistic models for predicting ESP pressure increment are discussed. The computational fluid dynamics (CFD)-based modeling approach for studying the multiphase flow in a rotating ESP is explained as well. The closure relationships that are critical to both mechanistic and numerical models are reviewed, which are helpful for further development of more accurate models for predicting ESP gas-liquid flow behaviors.http://www.mdpi.com/1996-1073/11/1/180electrical submersible pump (ESP)multiphase flowmechanistic modelingCFDflow patternviscosity effectdrag coefficientbubble sizein-situ gas void fraction |
spellingShingle | Jianjun Zhu Hong-Quan Zhang A Review of Experiments and Modeling of Gas-Liquid Flow in Electrical Submersible Pumps Energies electrical submersible pump (ESP) multiphase flow mechanistic modeling CFD flow pattern viscosity effect drag coefficient bubble size in-situ gas void fraction |
title | A Review of Experiments and Modeling of Gas-Liquid Flow in Electrical Submersible Pumps |
title_full | A Review of Experiments and Modeling of Gas-Liquid Flow in Electrical Submersible Pumps |
title_fullStr | A Review of Experiments and Modeling of Gas-Liquid Flow in Electrical Submersible Pumps |
title_full_unstemmed | A Review of Experiments and Modeling of Gas-Liquid Flow in Electrical Submersible Pumps |
title_short | A Review of Experiments and Modeling of Gas-Liquid Flow in Electrical Submersible Pumps |
title_sort | review of experiments and modeling of gas liquid flow in electrical submersible pumps |
topic | electrical submersible pump (ESP) multiphase flow mechanistic modeling CFD flow pattern viscosity effect drag coefficient bubble size in-situ gas void fraction |
url | http://www.mdpi.com/1996-1073/11/1/180 |
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