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• W4236071307 abstract "ESP Model Implementation and Result Analysis Under Gas/Liquid Flow Conditions Datong Sun; Datong Sun Baker Atlas Search for other works by this author on: This Site Google Scholar Mauricio Gargaglione Prado Mauricio Gargaglione Prado U. of Tulsa Search for other works by this author on: This Site Google Scholar Paper presented at the SPE Annual Technical Conference and Exhibition, Dallas, Texas, October 2005. Paper Number: SPE-95620-MS https://doi.org/10.2118/95620-MS Published: October 09 2005 Cite View This Citation Add to Citation Manager Share Icon Share Twitter LinkedIn Get Permissions Search Site Citation Sun, Datong, and Mauricio Gargaglione Prado. ESP Model Implementation and Result Analysis Under Gas/Liquid Flow Conditions. Paper presented at the SPE Annual Technical Conference and Exhibition, Dallas, Texas, October 2005. doi: https://doi.org/10.2118/95620-MS Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex Search nav search search input Search input auto suggest search filter All ContentAll ProceedingsSociety of Petroleum Engineers (SPE)SPE Annual Technical Conference and Exhibition Search Advanced Search AbstractThe one-dimensional model proposed by Sun and Prado [1, 2] to predict Electrical Submersible Pumps (ESP) head performance under gas-liquid flow conditions has been improved with a new correlation for the ratio of the drag coefficient (Cd) to an interfacial characteristic length (r interfacial). This study has found the ratio, Cd/r interfacial, is also a function of channel rotational speed in addition to gas void fraction and other parameters. The paper summarizes the model with detailed wall frictional equations and addresses its implementation procedure from a manufacturer's available single-phase catalog data to the predicted two-phase head performance results. The implemented algorithm is especially effective to obtain the ESP head performance under two-phase flow conditions. The study is beneficial for the appropriate design, simulation, and troubleshooting of ESP installations in a two-phase environment.The model has been used to compute results and perform sensitivity analysis under different two-phase flow conditions: pump intake pressure, gas void fraction, gas flow rates, rotational speeds, Cd/r interfacial, and wall friction effects, respectively. The sensitivity analysis has been used to determine the correlation for the ratio of Cd/r interfacial during model development.The comparison of the model results against the experimental data, except at a low gas void fraction with a low liquid flow rate, shows good agreement. The new model gives an excellent prediction for different shaft rotational speeds compared to Zapata's partial gas-liquid data of ESP [3]. However, further validation with more experimental data is needed.IntroductionESP's are often installed in a gassy environment with different pump frequencies, intake pressures, intake gas void factions, etc. The effects on ESP performance from these aspects suggest further study. Single-phase pump performance, Beltur's gas-liquid experimental data at 50 Hz [4], and Zapata's partial gas-liquid data at different frequencies [3] have been used in this study. This paper highlights the extension and improvement of the gas-liquid head performance model [1, 2] of electrical submersible pump.Literature ReviewThe experimental approach for ESP performance under gas-liquid flow conditions can be found in Pessoa [5], Beltur [4], Duran [6], and Zapata [3] among others. The modeling approach can be found in Sachdeva [7, 8, and 9], Minemura [10], and Sun [1, 2, and 11] among others. Sachdeva's model and Minemura's model were based on and improved in the previous model [1, 2].Two-Phase Model of ESP'SThis section summarizes the two-phase model developed for the prediction of ESP head performance. The detailed model with assumptions can be found in Sun [1, 2] except for the improved correlation of Cd/r interfacial, which is presented in this paper. Keywords: upstream oil & gas, flow condition, artificial lift system, experimental data, equation, diffuser, submersible pump, head performance, two-phase flow condition, shock loss Subjects: Artificial Lift Systems, Electric submersible pumps This content is only available via PDF. 2005. Society of Petroleum Engineers You can access this article if you purchase or spend a download." @default.
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• W4236071307 title " ESP Model Implementation and Result Analysis Under Gas/Liquid Flow Conditions " @default.
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