Modeling of Vertical Core-Annular Flows and Application to Heavy Oil Production

[+] Author and Article Information
José W. Vanegas Prada, Antonio C. Bannwart

State University of Campinas, Campinas, SP, Brazil

J. Energy Resour. Technol 123(3), 194-199 (Feb 02, 2001) (6 pages) doi:10.1115/1.1377894 History: Received October 28, 1999; Revised February 02, 2001
Copyright © 2001 by ASME
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Perfect core-annular flow (PCAF) and notation
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Frictional pressure gradient in core flow as a function of input ratio, with the oil superficial velocity as parameter
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Calculated and experimental irreversible pressure gradient Gf,h versus equivalent flow rate Q*
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Frictional pressure gradient Gf calculated from Eq. (12) versus experimental values (our data)
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Frictional pressure gradient calculated from Eq. (12) versus laboratory data by other source 9
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Schematic representation of a producing well using core flow
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Injector nozzle configurations
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Schematics of core flow application to heavy oil offshore production, where a direct communication between each well and surface facility exists




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