Control-Oriented Drift-Flux Modeling of Single and Two-Phase Flow for Drilling-Reference-Cited by-同舟云学术

Control-Oriented Drift-Flux Modeling of Single and Two-Phase Flow for Drilling

Published:2014-10-22 Issue: Volume: Page:
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Container-title:Volume 3: Industrial Applications; Modeling for Oil and Gas, Control and Validation, Estimation, and Control of Automotive Systems; Multi-Agent and Networked Systems; Control System Design; Physical Human-Robot Interaction; Rehabilitation Robotics; Sensing and Actuation for Control; Biomedical Systems; Time Delay Systems and Stability; Unmanned Ground and Surface Robotics; Vehicle Motion Controls; Vibration Analysis and Isolation; Vibration and Control for Energy Harvesting; Wind Energy
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Author:

Aarsnes Ulf Jakob F.¹,Di Meglio Florent²,Evje Steinar³,Aamo Ole Morten¹

Affiliation:

1. Norwegian University of Science and Technology, Trondheim, Norway

2. MINES ParisTech, Paris, France

3. University of Stavanger, Stavanger, Norway

Abstract

We present a simplified drift-flux model for gas-liquid flow in pipes. The model is able to handle single and two-phase flow thanks to a particular choice of empirical slip law. A presented implicit numerical scheme can be used to rapidly solve the equations with good accuracy. Besides, it remains simple enough to be amenable to mathematical and control-oriented analysis. In particular, we present an analysis of the steady-states of the model that yields important considerations for drilling practitioners. This includes the identification of 4 distinct operating regimes of the system, and a discussion on the occurrence of slugging in underbalanced drilling.

Publisher

American Society of Mechanical Engineers

Link

http://asmedigitalcollection.asme.org/DSCC/proceedings-pdf/doi/10.1115/DSCC2014-6121/4447238/v003t37a003-dscc2014-6121.pdf

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