Very-viscous-oil/water/air flow through horizontal pipes: Pressure drop measurement and prediction |
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Authors: | Pietro Poesio Domenico Strazza |
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Affiliation: | a Facoltà di Ingegneria, Dipartimento di Ingegneria Meccanica e Industriale, Università degli Studi di Brescia, Via Branze 38, 25123, Brescia, Italy b Dipartimento di Energetica, Politecnico di Milano, Piazza L. da Vinci 32, 20133, Milano, Italy |
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Abstract: | Core annular flow pattern, where a low viscosity liquid surrounds a very-viscous one, may be very interesting for heavy oil transportation. However, in oil production, oil and water rarely flow alone and gas is usually present. Despite several publications on liquid-liquid core annular flow, no much work has been done towards a proper characterization of the effect of gas on pressure drop. The aim of this paper is twofold: to provide a new data base on three-phase (very-viscous-oil/water/air) flow, and to propose a simple model for the determination of pressure drop. |
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Keywords: | Multiphase flow Oil/water/air Viscous fluid flow Pressure drop |
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