Reproducing slugging oscillations of a real oil well

This paper addresses the problem of reproducing oscillations generated by the well-known slugging phenomenon in multiphase flow. Reported investigations show how to determine the parameters of a recently proposed ordinary differential equations system, so that it captures the characteristics of actu...

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Hauptverfasser: Di Meglio, Florent, Kaasa, Glenn-Ole, Petit, Nicolas, Alstad, Vidar
Format: Tagungsbericht
Sprache:eng
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Beschreibung
Zusammenfassung:This paper addresses the problem of reproducing oscillations generated by the well-known slugging phenomenon in multiphase flow. Reported investigations show how to determine the parameters of a recently proposed ordinary differential equations system, so that it captures the characteristics of actually observed slugging oscillations. A tuning procedure based on the mathematical properties of the model is presented. It is then applied to a test case consisting of a real oil well located in the North Sea. An observer using only topside measurements allows asymptotic reconstruction of critical variables such as the downhole pressure.
ISSN:0191-2216
DOI:10.1109/CDC.2010.5717367