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TECHNICAL PAPERS

Parametric Study of Motor/Shroud Heat Transfer Performance in an Electrical Submersible Pump (ESP)

[+] Author and Article Information
Jesus R. Rodriguez

Department of Geological and Petroleum Engineering, University of Missouri-Rolla, Rolla, MO 65409e-mail: jrodri@umr.edu

Fathi Finaish

Department of Mechanical and Aerospace Engineering and Engineering Mechanics, University of Missouri-Rolla, Rolla, MO 65409e-mail: finaish@umr.edu

Shari Dunn-Norman

Department of Geological and Petroleum Engineering, University of Missouri-Rolla, Rolla, MO 65409e-mail: caolila@umr.edu

J. Energy Resour. Technol 122(3), 136-141 (Jun 12, 2000) (6 pages) doi:10.1115/1.1289638 History: Received October 26, 1999; Revised June 12, 2000
Copyright © 2000 by ASME
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References

Brown, K. E., 1980, The Technology of Artificial Lift Methods, Penwell Publishing, Box 1260, Tulsa, OK.
Manzanilla, R., et al., 1997, “Heat Transfer Between Heavy Oil Flow and Electrical Submersible Pump’s Motor,” presented at the 1997 Society of Petroleum Engineers Gulf Coast Section, Electrical Submersible Pumps Workshop, Houston, TX, May 1–3.
Skoczylas P., and Alhanati, F., 1998, “Flow Regime Effects on Downhole Motor Cooling,” Society of Petroleum Engineers paper prepared for presented at Gulf Coast Section Electrical Submersible Pumps Workshop Houston. TX, April 29–May 1.
Lundgren,  T. S., , 1964, “Pressure Drop Due to the Entrance Region in Ducts of Arbitrary Cross Section,” J. Basic Eng., 86, pp. 620–626.

Figures

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Standard ESP shrouded application
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Configuration used in CFX4.2 modeling
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Influence of dimensionless shroud standoff on velocity profile
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Influence of dimensionless shroud standoff on motor wall temperature
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Variation of local Nusselt number with dimensionless axial distance for different shroud standoffs and Uin=0.3048 m/s(1 ft/s)
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Surface plot of the temperature response as a function of dimensionless fluid velocity and dimensionless shroud standoff
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Surface plot of the pressure response as a function of dimensionless fluid velocity and dimensionless shroud standoff
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Effect of shroud standoff on motor wall temperature and pressure drop response for U/Uin between 0.6 and 1.4
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Motor wall temperature variation for a shroud with one opening
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Motor wall temperature variation for a shroud with three openings
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Effect of fluid velocity on motor wall temperature profile
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Effect of inlet fluid velocity on fluid bulk temperature for a normal and a perforated shroud as they compare with the manufacturer’s method

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