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Investigation on gas hydrates formation and dissociation in multiphase gas dominant transmission pipelines

In this work, a gas hydrate formation and dissociation study was performed on two multiphase pipeline systems containing gasoline, CO2, water, and crude oil, CO2, water, in the pressure range of 2.5-3.5 MPa with fixed water cut as 15 using gas hydrate rocking cell equipment. The system has 10, 15 an...

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Main Authors: Sahith, S.J.K., Pedapati, S.R., Lal, B.
Format: Article
Published: MDPI AG 2020
Online Access:https://www.scopus.com/inward/record.uri?eid=2-s2.0-85088666313&doi=10.3390%2fapp10155052&partnerID=40&md5=16a7ccb654f47e54050a659edfb57580
http://eprints.utp.edu.my/23125/
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spelling my.utp.eprints.231252021-08-19T05:36:08Z Investigation on gas hydrates formation and dissociation in multiphase gas dominant transmission pipelines Sahith, S.J.K. Pedapati, S.R. Lal, B. In this work, a gas hydrate formation and dissociation study was performed on two multiphase pipeline systems containing gasoline, CO2, water, and crude oil, CO2, water, in the pressure range of 2.5-3.5 MPa with fixed water cut as 15 using gas hydrate rocking cell equipment. The system has 10, 15 and 20 wt. concentrations of gasoline and crude oil, respectively. From the obtained hydrate-liquid-vapor-equilibrium (HLVE) data, the phase diagrams for the system are constructed and analyzed to represent the phase behavior in the multiphase pipelines. Similarly, induction time and rate of gas hydrate formation studies were performed for gasoline, CO2, and water, and crude oil, CO2, water system. From the evaluation of phase behavior based on the HLVE curve, the multiphase system with gasoline exhibits an inhibition in gas hydrates formation, as the HLVE curve shifts towards the lower temperature and higher-pressure region. The multiphase system containing the crude oil system shows a promotion of gas hydrates formation, as the HLVE curve shifted towards the higher temperature and lower pressure. Similarly, the kinetics of hydrate formation of gas hydrates in the gasoline system is slow. At the same time, crude oil has a rapid gas hydrate formation rate. © 2020 by the authors. MDPI AG 2020 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85088666313&doi=10.3390%2fapp10155052&partnerID=40&md5=16a7ccb654f47e54050a659edfb57580 Sahith, S.J.K. and Pedapati, S.R. and Lal, B. (2020) Investigation on gas hydrates formation and dissociation in multiphase gas dominant transmission pipelines. Applied Sciences (Switzerland), 10 (15). http://eprints.utp.edu.my/23125/
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Institutional Repository
url_provider http://eprints.utp.edu.my/
description In this work, a gas hydrate formation and dissociation study was performed on two multiphase pipeline systems containing gasoline, CO2, water, and crude oil, CO2, water, in the pressure range of 2.5-3.5 MPa with fixed water cut as 15 using gas hydrate rocking cell equipment. The system has 10, 15 and 20 wt. concentrations of gasoline and crude oil, respectively. From the obtained hydrate-liquid-vapor-equilibrium (HLVE) data, the phase diagrams for the system are constructed and analyzed to represent the phase behavior in the multiphase pipelines. Similarly, induction time and rate of gas hydrate formation studies were performed for gasoline, CO2, and water, and crude oil, CO2, water system. From the evaluation of phase behavior based on the HLVE curve, the multiphase system with gasoline exhibits an inhibition in gas hydrates formation, as the HLVE curve shifts towards the lower temperature and higher-pressure region. The multiphase system containing the crude oil system shows a promotion of gas hydrates formation, as the HLVE curve shifted towards the higher temperature and lower pressure. Similarly, the kinetics of hydrate formation of gas hydrates in the gasoline system is slow. At the same time, crude oil has a rapid gas hydrate formation rate. © 2020 by the authors.
format Article
author Sahith, S.J.K.
Pedapati, S.R.
Lal, B.
spellingShingle Sahith, S.J.K.
Pedapati, S.R.
Lal, B.
Investigation on gas hydrates formation and dissociation in multiphase gas dominant transmission pipelines
author_facet Sahith, S.J.K.
Pedapati, S.R.
Lal, B.
author_sort Sahith, S.J.K.
title Investigation on gas hydrates formation and dissociation in multiphase gas dominant transmission pipelines
title_short Investigation on gas hydrates formation and dissociation in multiphase gas dominant transmission pipelines
title_full Investigation on gas hydrates formation and dissociation in multiphase gas dominant transmission pipelines
title_fullStr Investigation on gas hydrates formation and dissociation in multiphase gas dominant transmission pipelines
title_full_unstemmed Investigation on gas hydrates formation and dissociation in multiphase gas dominant transmission pipelines
title_sort investigation on gas hydrates formation and dissociation in multiphase gas dominant transmission pipelines
publisher MDPI AG
publishDate 2020
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85088666313&doi=10.3390%2fapp10155052&partnerID=40&md5=16a7ccb654f47e54050a659edfb57580
http://eprints.utp.edu.my/23125/
_version_ 1738656427707203584
score 13.211869

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