Effect of Riser Base and Flowline Gas Injection on the Characteristics of Gas-Liquid Two-Phase Flow in a Vertical Riser System

Author:

Brini Ahmed Salem Kalifa1,Aliyu Aliyu M.2,Ehinmowo Adegboyega3,Yeung Hoi4

Affiliation:

1. Faculty of Mining and Energy Engineering, Sebha University, Libya

2. School of Computing and Engineering, University of Huddersfield, United Kingdom

3. Department of Chemical and Petroleum Engineering, University of Lagos, Nigeria

4. Centre for Thermal Energy Systems and Materials, Cranfield University, United Kingdom

Abstract

Abstract We report an experimental study has been conducted on a 52 mm internal diameter vertical riser of which is met at the riser base by a 10.5 m long. The effect of two different gas inlet configurations were tested: riser base gas injection and horizontal inline injection 40 meters upstream of the riser base. A 16×16 wire-mesh sensor was used to measure the void fraction at the riser top and we present a detailed analysis of the characteristics of flow because of the injection scheme. These include regimes and cross-sectional void fraction distributions of the time series data. Among our findings are wall-peaking gas fraction profiles at lower gas injection rates through the flowline, while core-peaking profiles were established at the same flow conditions for riser base injection. This provides valuable information that can feed into the design of downstream facilities such as slug catchers and separators.

Publisher

SPE

Cited by 3 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Comparative Analysis of Riser Base and Flowline Gas Injection on Vertical Gas-Liquid Two-Phase Flow;Energies;2022-10-10

2. Assessment of Coriolis meters as instrumentation for gas void fraction measurement in air–liquid multiphase flow in a pipeline riser system;2022 IEEE 2nd International Maghreb Meeting of the Conference on Sciences and Techniques of Automatic Control and Computer Engineering (MI-STA);2022-05-23

3. Research on flow of sour gas mixture in deep well annulus;Journal of Dispersion Science and Technology;2021-08-01

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