A major concern in drilling operations is the proper determination of frictional pressure loss in order to select a mud pump and avoid any serious problems. In this study, a mechanistic model is proposed for predicting the frictional pressure losses of light drilling fluid, which can be used for concentric annuli. The experimental data that were available in the literature and conducted at the Middle East Technical University-Petroleum Engineering (METU-PETE) flow loop as well as computational fluid dynamics (CFD) software are used to verify the results from the proposed mechanistic model. The results showed that the proposed model can estimate frictional pressure losses within a ±10% error interval when compared with the experimental data. Additionally, the effect of the pipe eccentricity on frictional pressure loss and tangential velocity using CFD for laminar and turbulent flow is also examined. It has been observed that pipe eccentricity drastically increases the tangential velocity inside the annulus; especially, the flow regime is turbulent and frictional pressure loss decreases as the pipe eccentricity increases.
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e-mail: mehmetsorgun@gmail.com
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September 2010
Research Papers
Modeling and Experimental Study of Newtonian Fluid Flow in Annulus
Mehmet Sorgun,
Mehmet Sorgun
Department of Petroleum and Natural Gas Engineering,
e-mail: mehmetsorgun@gmail.com
Middle East Technical University
, Inonu Bulvari Ankara, 06531 Turkey
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M. Evren Ozbayoglu,
M. Evren Ozbayoglu
Department of Petroleum Engineering,
University of Tulsa
, 800 South Tucker Drive, Tulsa, OK 74104
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Ismail Aydin
Ismail Aydin
Department of Civil Engineering,
Middle East Technical University
, Inonu Bulvari Ankara, 06531 Turkey
Search for other works by this author on:
Mehmet Sorgun
Department of Petroleum and Natural Gas Engineering,
Middle East Technical University
, Inonu Bulvari Ankara, 06531 Turkeye-mail: mehmetsorgun@gmail.com
M. Evren Ozbayoglu
Department of Petroleum Engineering,
University of Tulsa
, 800 South Tucker Drive, Tulsa, OK 74104
Ismail Aydin
Department of Civil Engineering,
Middle East Technical University
, Inonu Bulvari Ankara, 06531 TurkeyJ. Energy Resour. Technol. Sep 2010, 132(3): 033102 (6 pages)
Published Online: September 29, 2010
Article history
Received:
May 11, 2009
Revised:
July 19, 2010
Online:
September 29, 2010
Published:
September 29, 2010
Citation
Sorgun, M., Ozbayoglu, M. E., and Aydin, I. (September 29, 2010). "Modeling and Experimental Study of Newtonian Fluid Flow in Annulus." ASME. J. Energy Resour. Technol. September 2010; 132(3): 033102. https://doi.org/10.1115/1.4002243
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