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Guest Seminar: Recent Studies on Multiphase Flow in Pipes and its Application in Production Engineering
February 26, 2018 @ 5:00 pm - 6:00 pm
Research Associate, University of Tulsa
Multiphase flow in pipes occurs in the petroleum industry during the production and transportation of oil and gas. Due to the significantly different fluid properties such as density and viscosity, the multiphase flow behavior is much more complicated than the single-phase flow. The major difference is the slippage between phases, resulting in various flow patterns and dramatic different flow-pattern dependent pressure losses.
Accurate prediction of multiphase flow is of great importance in terms of production design and operation. Inaccurate prediction may largely increase the uncertainty when deciding whether to develop the field, sizing key equipment (tubing, pipeline, pumping, separator, etc.), managing flow assurance issues (like liquid accumulation, severe/terrain slugging, wax deposition, hydrate, etc.), designing and optimizing artificial lift methods, etc.
To increase the accuracy of multiphase flow prediction, recent research is seeking for more sophisticated physics-based solutions (mechanics models) by investigating detailed flow behavior of multiphase fluid flow in pipes, including liquid entrainment in gas phase, wetted wall perimeter, liquid film thickness, intermittent flow characteristics, liquid film reversal, etc. In production engineering, multiphase flow technology is the fundamental of several different areas, such as flow assurance, artificial lift system design and optimization, multiphase flow meter, etc. Better understanding of multiphase flow can significantly improve the performance of the existing technology in these areas.
In this presentation, the speaker will talk about the importance of multiphase flow studies, followed by three examples of recent studies related with multiphase flow in pipes, ranging from the fundamental study of multiphase flow, to flow assurance, and its application in artificial lift area. In the end, the speaker will present some ideas of several possible future studies on multiphase flow and its related area.
Dr. Yilin Fan is research associate at the University of Tulsa, McDougall School of Petroleum Engineering. She is working as a post-doctoral fellow at Tulsa University Fluid Flow Projects (TUFFP) and Tulsa University Horizontal Well Artificial Lift Projects (TUHWALP). Her research interests are multiphase flow characterization and modeling, artificial lift, and flow assurance. Yilin holds a Bachelor Degree in Oil and Gas Storage and Transportation Engineering from China University of Petroleum, China. She received her both Master and Ph.D. degrees in Petroleum Engineering from the University of Tulsa. During this time, she worked as a research assistant in Tulsa University High-viscosity Oil Projects (TUHOP) and TUFFP. As a research associate, she is currently involved in multiple projects in multiphase flow and artificial lift area.