This study presents a new gas-liquid model to predict electrical submersible pumps head performance. The newly derived approach based on gas-liquid momentum equations along pump channels has improved the Sachdeva model (Sachdeva, R., Doty, D. R., and Schmidt, Z., 1988, “Two-Phase Flow through Electrical Submersible Pumps,” Ph.D. dissertation, The University of Tulsa, Oklahoma; 1994, “Performance of Electric Submersible Pumps in Gassy Wells,” SPE Prod. Facil., 9, pp. 55–60) in the petroleum industry and generalized the Minemura model (Minemura, K., Uchiyama, T., Shoda, S. and Kazuyuki, E., 1998, “Prediction of Air-Water Two-Phase Flow Performance of a Centrifugal Pump Based on One-Dimensional Two-Fluid Model,” ASME J. Fluids. Eng., 120, pp. 327–334) in the nuclear industry. The new two-phase model includes novel approaches for wall frictional losses for each phase using a gas-liquid stratified assumption and existing correlations, a new shock loss model incorporating rotational speeds, a new correlation for drag coefficient and interfacial characteristic length effects by fitting the model results with experimental data, and an algorithm to solve the model equations. The model can predict pressure and void fraction distributions along impellers and diffusers in addition to the pump head performance curve under different fluid properties, pump intake conditions, and rotational speeds.
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e-mail: mauricio-prado@utulsa.edu
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February 2005
Article
Modeling Gas-Liquid Head Performance of Electrical Submersible Pumps
Mauricio Prado
e-mail: mauricio-prado@utulsa.edu
Mauricio Prado
University of Tulsa, 600 South College Avenue, Tulsa, Oklahoma 74104
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Datong Sun
Mauricio Prado
University of Tulsa, 600 South College Avenue, Tulsa, Oklahoma 74104
e-mail: mauricio-prado@utulsa.edu
Contributed by the Pressure Vessels and Piping Division for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received by the PVP Division August 16, 2004; revision received September 9, 2004. Review conducted by: S. Zamrik.
J. Pressure Vessel Technol. Feb 2005, 127(1): 31-38 (8 pages)
Published Online: March 15, 2005
Article history
Received:
August 16, 2004
Revised:
September 9, 2004
Online:
March 15, 2005
Citation
Sun, D., and Prado, M. (March 15, 2005). "Modeling Gas-Liquid Head Performance of Electrical Submersible Pumps." ASME. J. Pressure Vessel Technol. February 2005; 127(1): 31–38. https://doi.org/10.1115/1.1845473
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