Sand minimum transport conditions in gas–solid–liquid three-phase stratified flow in a horizontal pipe at low particle concentrations

Fajemidupe, Olawale T., Aliyu, Aliyu M., Baba, Yahaya D. , Archibong-Eso, Archibong and Yeung, Hoi (2019) Sand minimum transport conditions in gas–solid–liquid three-phase stratified flow in a horizontal pipe at low particle concentrations. Chemical Engineering Research and Design, 143 . pp. 114-126. ISSN 0263-8762

Full content URL: https://doi.org/10.1016/j.cherd.2019.01.014

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Sand minimum transport conditions in gas–solid–liquid three-phase stratified flow in a horizontal pipe at low particle concentrations
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Abstract

Sand production in the life of oil and gas reservoirs is inevitable, as it is co-produced from
reservoirs. Its deposition in petroleum pipelines poses considerable risk to production and
can lead to pipe corrosion and flow assurance challenges. Therefore, it is important that
pipe flow conditions are maintained to ensure sand particles are not deposited but in con-
tinuous motion with the flow. The combination of minimum gas and liquid velocities that
ensure continuous sand motion is known as the minimum transport condition (MTC). This
study investigates the effect both of sand particle diameter and concentration on MTC in
gas/liquid stratified flow in a horizontal pipeline. We used non-intrusive conductivity sen-
sors for sand detection. These sensors, used for film thickness measurement in gas/liquid
flows, were used for the first time here for sand detection. We found that MTC increases with
increase in particle diameter for the same concentration and also increases as the concen-
tration increases for the same particle diameter. A correlation is proposed for the prediction
of sand transport at MTC in air–water flows in horizontal pipes, by including the effect of
sand concentration in Thomas’s lower model. The correlation accounts for low sand con-
centrations and gave excellent predictions when compared with the experimental results
at MTC

Keywords:sand transport, pressure gradient, conductivity probes, stratified flow, Multiphase flow, minimum transport conditions
Subjects:H Engineering > H850 Petroleum Engineering
H Engineering > H141 Fluid Mechanics
H Engineering > H800 Chemical, Process and Energy Engineering
H Engineering > H300 Mechanical Engineering
H Engineering > H200 Civil Engineering
Divisions:College of Science > School of Engineering
ID Code:48029
Deposited On:16 Feb 2022 15:19

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