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Stabilization of slugging in oil production facilities with or without upstream pressure sensors

Abstract : This paper presents methods for suppressing the slugging phenomenon occurring in multiphase flow. The considered systems include industrial oil production facilities such as gas-lifted wells and flowline risers with low-points. Given the difficulty to maintain sensors in deep locations, a particular emphasis is put on observer-based control design. It appears that, without any upstream pressure sensor, such a strategy can stabilize the flow. Besides, given a measurement or estimate of the upstream pressure, we propose a control strategy alternative to the classical techniques. The efficiency of these methods is assessed through experiments on a mid-scaled multiphase flow loop.
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https://hal-mines-paristech.archives-ouvertes.fr/hal-00733322
Contributor : François Chaplais <>
Submitted on : Tuesday, September 18, 2012 - 2:04:59 PM
Last modification on : Wednesday, October 14, 2020 - 4:13:37 AM

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Florent Di Meglio, Nicolas Petit, Vidar Alstad, Glenn Ole Kaasa. Stabilization of slugging in oil production facilities with or without upstream pressure sensors. Journal of Process Control, Elsevier, 2012, 22 (4), pp.809-822. ⟨10.1016/j.jprocont.2012.02.014⟩. ⟨hal-00733322⟩

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