Restart time correlation for core annular flow in pipeline lubrication of high-viscous oil

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dc.contributor.authorLivinus, Aniefiok
dc.contributor.authorYeung, Hoi
dc.contributor.authorLao, Liyun
dc.date.accessioned2016-08-19T14:29:16Z
dc.date.available2016-08-19T14:29:16Z
dc.date.issued2016-03-28
dc.description.abstractOne of the fundamental questions that must be addressed in the effective design and operation of pipeline lubrication of heavy oil is; “how much time will be needed to restart a blocked core annular flow (CAF) line after shutdown due to fouling or pump failures”, if the pipe is to be cleaned using water only. In this work, laboratory results of shutdown and restart experiments of high-viscous oil conducted in a 5.5-m-long PVC horizontal pipe with internal diameter of 26 mm are first presented. A new correlation for the prediction of the restart time of a shutdown core annular flow line is then formulated. The predictive capabilities of the correlation are checked against measured restart time and pressure drop evolution data. Somewhat high but still reasonable predictions are obtained. The restart time correlation, together with the associated correlations formulated as well, can be of practical importance during the engineering design of high-viscous oil pipeline transportation facility for predicting restart process.en_UK
dc.identifier.citationLivinus, A., Yeung, H., Lao, L. (2016) Restart time correlation for core annular flow in pipeline lubrication of high-viscous oil, Journal of Petroleum Exploration and Production Technology, March 2017, Volume 7, Issue 1, pp293–302en_UK
dc.identifier.issn2190-0558
dc.identifier.urihttp://dx.doi.org/10.1007/s13202-016-0241-y
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/10366
dc.language.isoenen_UK
dc.publisherSpringeren_UK
dc.rightsThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
dc.subjectCAFen_UK
dc.subjectHeavy oilen_UK
dc.subjectRestarten_UK
dc.subjectWater assist flowen_UK
dc.subjectPipeline transporten_UK
dc.titleRestart time correlation for core annular flow in pipeline lubrication of high-viscous oilen_UK
dc.typeArticleen_UK

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