Slug flow control using topside measurements: A review

Slugging flow is a condition caused by a liquid obstruction at the riser base. It exhibits cyclic behaviour. The cycle consists of a protracted time of no gas production at the riser's top, followed by the arrival of a liquid slug with a length greater than the riser height, and ultimately the...

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Autores principales:	Somtochukwu Godfrey Nnabuife, Henry Tandoh, James F. Whidborne
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2022
Materias:	Subsea Topside measurements Multiphase flow Flow regimes Slug flow Chemical engineering TP155-156
Acceso en línea:	https://doaj.org/article/481bb92f233b47a28ec03c5a6da74556
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id	oai:doaj.org-article:481bb92f233b47a28ec03c5a6da74556
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spelling	oai:doaj.org-article:481bb92f233b47a28ec03c5a6da745562021-11-28T04:39:29ZSlug flow control using topside measurements: A review2666-821110.1016/j.ceja.2021.100204https://doaj.org/article/481bb92f233b47a28ec03c5a6da745562022-03-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2666821121001198https://doaj.org/toc/2666-8211Slugging flow is a condition caused by a liquid obstruction at the riser base. It exhibits cyclic behaviour. The cycle consists of a protracted time of no gas production at the riser's top, followed by the arrival of a liquid slug with a length greater than the riser height, and ultimately the breakthrough of a significant gas surge. The cycle time might range from a few minutes to a few hours, depending on the system size and flow conditions. In offshore oil production, feedback control is a practical and cost-effective way to prevent slug flow. To control the flow rate or the pressure in the pipeline, adjusting the choke valve opening on the topside facility is generally utilised as the control input. From a practical standpoint, designing a control system based on topside data rather than seabed measurements is preferable. Controlling the topside pressure alone is difficult and ineffective in reality, but combining it with the flow rate results in a more reliable control solution. Measuring the flow rate of a multiphase flow, on the other hand, is difficult and expensive. All the topside measurements-based slug control techniques was critically reviewed and necessary recommendations for enhanced control performance provided. In conclusion, this review acknowledged that slugging is a well-defined flow pattern, yet despite having been studied for several decades, current slug control methods still have robustness issues. Slug flow problems are expected to become even more intense in the future as a result of longer vertical risers driven by deep-water Exploration and Production (E&P).Somtochukwu Godfrey NnabuifeHenry TandohJames F. WhidborneElsevierarticleSubseaTopside measurementsMultiphase flowFlow regimesSlug flowChemical engineeringTP155-156ENChemical Engineering Journal Advances, Vol 9, Iss , Pp 100204- (2022)
institution	DOAJ
collection	DOAJ
language	EN
topic	Subsea Topside measurements Multiphase flow Flow regimes Slug flow Chemical engineering TP155-156
spellingShingle	Subsea Topside measurements Multiphase flow Flow regimes Slug flow Chemical engineering TP155-156 Somtochukwu Godfrey Nnabuife Henry Tandoh James F. Whidborne Slug flow control using topside measurements: A review
description	Slugging flow is a condition caused by a liquid obstruction at the riser base. It exhibits cyclic behaviour. The cycle consists of a protracted time of no gas production at the riser's top, followed by the arrival of a liquid slug with a length greater than the riser height, and ultimately the breakthrough of a significant gas surge. The cycle time might range from a few minutes to a few hours, depending on the system size and flow conditions. In offshore oil production, feedback control is a practical and cost-effective way to prevent slug flow. To control the flow rate or the pressure in the pipeline, adjusting the choke valve opening on the topside facility is generally utilised as the control input. From a practical standpoint, designing a control system based on topside data rather than seabed measurements is preferable. Controlling the topside pressure alone is difficult and ineffective in reality, but combining it with the flow rate results in a more reliable control solution. Measuring the flow rate of a multiphase flow, on the other hand, is difficult and expensive. All the topside measurements-based slug control techniques was critically reviewed and necessary recommendations for enhanced control performance provided. In conclusion, this review acknowledged that slugging is a well-defined flow pattern, yet despite having been studied for several decades, current slug control methods still have robustness issues. Slug flow problems are expected to become even more intense in the future as a result of longer vertical risers driven by deep-water Exploration and Production (E&P).
format	article
author	Somtochukwu Godfrey Nnabuife Henry Tandoh James F. Whidborne
author_facet	Somtochukwu Godfrey Nnabuife Henry Tandoh James F. Whidborne
author_sort	Somtochukwu Godfrey Nnabuife
title	Slug flow control using topside measurements: A review
title_short	Slug flow control using topside measurements: A review
title_full	Slug flow control using topside measurements: A review
title_fullStr	Slug flow control using topside measurements: A review
title_full_unstemmed	Slug flow control using topside measurements: A review
title_sort	slug flow control using topside measurements: a review
publisher	Elsevier
publishDate	2022
url	https://doaj.org/article/481bb92f233b47a28ec03c5a6da74556
work_keys_str_mv	AT somtochukwugodfreynnabuife slugflowcontrolusingtopsidemeasurementsareview AT henrytandoh slugflowcontrolusingtopsidemeasurementsareview AT jamesfwhidborne slugflowcontrolusingtopsidemeasurementsareview
_version_	1718408255386943488

Slug flow control using topside measurements: A review

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