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CFD Analysis of Turbulent Flow of Power-Law Fluid in a Partially Blocked Eccentric Annulus

Author

Listed:
  • Ravi Singh

    (Mewbourne School of Petroleum and Geological Engineering, University of Oklahoma, Norman, OK 73019, USA)

  • Ramadan Ahmed

    (Mewbourne School of Petroleum and Geological Engineering, University of Oklahoma, Norman, OK 73019, USA)

  • Hamidreza Karami

    (Mewbourne School of Petroleum and Geological Engineering, University of Oklahoma, Norman, OK 73019, USA)

  • Mustafa Nasser

    (Gas Processing Center, College of Engineering, Qatar University, P.O. Box 2713, Doha, Qatar)

  • Ibnelwaleed Hussein

    (Gas Processing Center, College of Engineering, Qatar University, P.O. Box 2713, Doha, Qatar)

Abstract

This study focuses on analyzing the turbulent flow of drilling fluid in inclined wells using the Computational Fluid Dynamics (CFD) technique. The analysis is performed considering an annulus with a fixed eccentricity of 90% and varying fluid properties, diameter ratio, and bed thickness to examine velocity profile, pressure loss, and overall wall and average bed shear stresses. CFD simulation results are compared with existing data for validation. The pressure loss predicted with CFD agrees with the data. After verification, predictions are used to establish a correlation that can be applied to compute bed shear stress. The established correlation mostly displays a discrepancy of up to 10% when compared with simulation data. The correlation can be used to optimize hole cleaning and manage downhole pressure.

Suggested Citation

  • Ravi Singh & Ramadan Ahmed & Hamidreza Karami & Mustafa Nasser & Ibnelwaleed Hussein, 2021. "CFD Analysis of Turbulent Flow of Power-Law Fluid in a Partially Blocked Eccentric Annulus," Energies, MDPI, vol. 14(3), pages 1-15, January.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:3:p:731-:d:490249
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    Cited by:

    1. Abdalsalam Ihmoudah & Abdelsalam Abugharara & Mohammad Azizur Rahman & Stephen Butt, 2023. "Experimental and Numerical Analysis of the Effect of Rheological Models on Measurements of Shear-Thinning Fluid Flow in Smooth Pipes," Energies, MDPI, vol. 16(8), pages 1-25, April.

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