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• W4239805230 abstract "Prediction of Turbulent Friction in Rod Pumped Wells J. Xu; J. Xu U. of Tulsa Search for other works by this author on: This Site Google Scholar S.A. Shirazi; S.A. Shirazi U. of Tulsa Search for other works by this author on: This Site Google Scholar D.R. Doty; D.R. Doty U. of Tulsa Search for other works by this author on: This Site Google Scholar Z. Schmidt; Z. Schmidt U. of Tulsa Search for other works by this author on: This Site Google Scholar R.N. Blais R.N. Blais U. of Tulsa Search for other works by this author on: This Site Google Scholar Paper presented at the SPE Permian Basin Oil and Gas Recovery Conference, Midland, Texas, March 1998. Paper Number: SPE-39800-MS https://doi.org/10.2118/39800-MS Published: March 23 1998 Cite View This Citation Add to Citation Manager Share Icon Share Twitter LinkedIn Get Permissions Search Site Citation Xu, J., Shirazi, S.A., Doty, D.R., Schmidt, Z., and R.N. Blais. Prediction of Turbulent Friction in Rod Pumped Wells. Paper presented at the SPE Permian Basin Oil and Gas Recovery Conference, Midland, Texas, March 1998. doi: https://doi.org/10.2118/39800-MS Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex Search Dropdown Menu nav search search input Search input auto suggest search filter All ContentAll ProceedingsSociety of Petroleum Engineers (SPE)SPE Permian Basin Oil and Gas Recovery Conference Search Advanced Search AbstractFrictional forces acting on the rod caused by the rod reciprocating in the flowing fluid significantly affect the prediction and diagnosis of rod-pumping system performance. Available studies of the flow in the tubing combined with moving rods and couplings are limited to laminar flow. The flow is more likely to be turbulent, however, for liquids with low viscosity and for regions near the rod couplings. Therefore in the current study, turbulent flow in the annular region between the stationary tubing wall and the moving rod/coupling is considered.Computational fluid dynamics (CFD) is employed to simulate turbulent flow in the annular region with moving rods and couplings. Also, a simplified model using a mixing-length method is developed that is much more computationally efficient than the CFD code. The CFD code employing the standard k-model is used to predict turbulent fiction factors in the annulus with the moving rods and couplings. The simplified model is developed to predict turbulent fiction factors in the annulus with the moving rods. The results from these models are compared each other and with the available data published. In addition, the friction factors between the rod/coupling and fluid can be represented in terms of four parameters: the rod to tubing radius ratio, the coupling to tubing radius ratio, the fluid Reynolds number, and the relative rod velocity.P. 397 Keywords: coupling, production monitoring, flow region, friction factor, turbulent flow, artificial intelligence, logic programming, shear stress, shear stress model, prediction Subjects: Artificial Lift Systems, Well & Reservoir Surveillance and Monitoring, Beam and related pumping techniques This content is only available via PDF. 1998. Society of Petroleum Engineers You can access this article if you purchase or spend a download." @default.
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• W4239805230 title "Prediction of Turbulent Friction in Rod Pumped Wells " @default.
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