Water-lubricated transport of high-viscosity oil in horizontal pipes: the water holdup and pressure gradient

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dc.contributor.authorShi, Jing
dc.contributor.authorLao, Liyun
dc.contributor.authorYeung, Hoi
dc.date.accessioned2017-09-01T10:37:20Z
dc.date.available2017-09-01T10:37:20Z
dc.date.issued2017-07-05
dc.description.abstractThis paper has investigated the water holdup and the pressure gradient of water-lubricated transport of high-viscosity oil flow in horizontal pipes. Experimental results on the water holdup and the pressure gradient of water-lubricated high-viscosity oil two-phase flow in a horizontal 1 in. pipe were discussed. Models for the prediction of the water holdup and/or the pressure gradient of core flow or water-lubricated flow were reviewed and evaluated. It was found that the water holdup of the water-lubricated flow is not only closely related to the input water volume fraction but also the degree of the oil phase eccentricity which is attributed to the oil phase Froude number. This can explain the inconsistency of the experimental results with regard to the relationship between the water holdup and the input water volume fraction in the literature. The applicability of the existing empirical or mechanistic models of water-lubricated high-viscosity oil flow were discussed and demonstrated. A modified correlation to the water holdup correlation of Arney et al. (1993) which was shown to be exclusively applicable for concentric core flow was introduced for stable water-lubricated flow, including both concentric and eccentric core flows. This correlation was evaluated and a fair applicability was shown. The accuracy of different models for the prediction of the pressure gradient of water-lubricated transport of high-viscosity oil was demonstrated to be not high in general. This is closely associated with the difficulty in accurately accounting for the influence of oil fouling on the pressure gradient.en_UK
dc.identifier.citationJing Shi, Liyun Lao, Hoi Yeung, Water-lubricated transport of high-viscosity oil in horizontal pipes: The water holdup and pressure gradient, International Journal of Multiphase Flow, Volume 96, 2017, Pages 70-85en_UK
dc.identifier.issn0301-9322
dc.identifier.urihttp://dx.doi.org/10.1016/j.ijmultiphaseflow.2017.07.005
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/12425
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectWater-lubricated flowen_UK
dc.subjectHigh-viscosity oil–wateren_UK
dc.subjectWater holdupen_UK
dc.subjectPressure gradienten_UK
dc.subjectOil foulingen_UK
dc.titleWater-lubricated transport of high-viscosity oil in horizontal pipes: the water holdup and pressure gradienten_UK
dc.typeArticleen_UK

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