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Multiphase Flow in a Subsea Hilly Terrain

[+] Author Affiliations
Mohamed Odan, Faraj Ben Rajeb, Yan Zhang, Syed Imtiaz, Amer Aborig

Memorial University of Newfoundland, St. John’s, NL, Canada

Mohammed Aziz Rahman

Texas A&M University at Qatar, Doha, Qatar

Paper No. OMAE2018-77190, pp. V008T11A009; 9 pages
doi:10.1115/OMAE2018-77190
From:
  • ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 8: Polar and Arctic Sciences and Technology; Petroleum Technology
  • Madrid, Spain, June 17–22, 2018
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-5129-6
  • Copyright © 2018 by ASME

abstract

Multiphase flow is an important the phenomenon existing widely in nature, daily life, as well as petroleum and chemical engineering industry. It is especially important to understand the flow behavior of multiphase flow in a subsea hilly terrain and offshore pipelines. Accurate flow regime identification in multiphase flow is critical since multiphase flow affects the measurement accuracy of phase fraction, flow rate and other phase parameters.

The main objective of this research work is to obtain a better understanding of the multiphase flow characteristics in a long pipeline. In this study, the results of an experimental research on multiphase flow that investigates fluid characteristics in a pipe has been presented. The experimental unit consists of pipes that are made up of clear PVC, which is capable of producing several different flow regimes (Stratified, bubble, slug, and annular-mist flow) of gas-liquid flows. The entire length of the flow loop is 20.574 m. The experimental unit includes sensors such as pressure transducers, thermocouples and flowmeters that enable to measure the pressure ranges from 20–300KPa, temperature ranges from 0 to 20 °C and volume flow ranges from 12–45 liter/min at numerous locations respectively. In this experimental work, bubble, and slug flow regimes have been selected in the multiphase flow pattern to be examined on the multiphase flow assurance. The results of this research will provide valuable new experimental data on multiphase flow characteristics for designated flow regimes that can improve flow assurance in subsea conditions by including the temperature and Pressure effects.

Copyright © 2018 by ASME

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