Relevant bibliographies by topics / Hydrates de gaz naturel – Additifs

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Hydrates de gaz naturel – Additifs'

Author: Grafiati
Published: 6 July 2024
Last updated: 31 July 2025

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Journal articles on the topic "Hydrates de gaz naturel – Additifs"

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Li, Bo, You-Yun Lu, and Yuan-Le Li. "A Review of Natural Gas Hydrate Formation with Amino Acids." Journal of Marine Science and Engineering 10, no. 8 (2022): 1134. http://dx.doi.org/10.3390/jmse10081134.

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Natural gas is a kind of low-carbon energy source with abundant reserves globally and high calorific value. It is cleaner and more efficient than oil and coal. Enlarging the utilization of natural gas is also one of the important ways to reduce carbon emissions in the world. Solidified natural gas technology (SNG) stores natural gas in solid hydrates, which is a prospective, efficient, safe and environmental-friendly strategy of natural gas storage and transport. However, the slow growth rate and randomness of nucleation during natural gas hydrate formation in pure water hinder the industrial
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Chu, Yuekang. "Formation and Prevention of Natural Gas Hydrates." International Journal of Scientific Research and Management (IJSRM) 12, no. 12 (2024): 216–21. https://doi.org/10.18535/ijsrm/v12i12.c02.

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Natural gas hydrate is formed under certain temperatures and pressures, which makes it an unavailable clean energy source. However, in industrial production, clogging occurring due to hydrate generation can cause a series of safety accidents and economic losses. In order to solve the hazards of natural gas hydrates in drilling, this paper reviews the formation conditions of natural gas hydrates and the prevention and control measures. In order to inhibit the formation of hydrates, the use of traditional well control measures and the addition of thermodynamic inhibitors have high costs, large d
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Liu, Huaxin, Meijun Li, Hongfei Lai, Ying Fu, Zenggui Kuang, and Yunxin Fang. "Controlling Factors of Vertical Geochemical Variations in Hydrate-Rich Sediments at the Site GMGS5-W08 in the Qiongdongnan Basin, Northern South China Sea." Energies 17, no. 2 (2024): 412. http://dx.doi.org/10.3390/en17020412.

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Large amounts of natural gas hydrates have been discovered in the Qiongdongnan Basin (QDNB), South China Sea. The chemical and stable carbon isotopic composition shows that the hydrate-bound gas was a mixture of thermogenic and microbial gases. It is estimated that microbial gas accounts for 40.96% to 60.58%, showing a trend of decrease with the increase in burial depth. A significant amount of gas hydrates is thought to be stored in the mass transport deposits (MTDs), exhibiting vertical superposition characteristics. The stable carbon isotopic values of methane (δ13C1) in the MTD1, located n
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Graue, Arne, B. Kvamme, Bernie Baldwin, et al. "MRI Visualization of Spontaneous Methane Production From Hydrates in Sandstone Core Plugs When Exposed to CO2." SPE Journal 13, no. 02 (2008): 146–52. http://dx.doi.org/10.2118/118851-pa.

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Summary Magnetic resonance imaging (MRI) of core samples in laboratory experiments showed that CO2 storage in gas hydrates formed in porous rock resulted in the spontaneous production of methane with no associated water production. The exposure of methane hydrate in the pores to liquid CO2 resulted in methane production from the hydrate that suggested the exchange of methane molecules with CO2 molecules within the hydrate without the addition or subtraction of significant amounts of heat. Thermodynamic simulations based on Phase Field Theory were in agreement with these results and predicted s
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Khan, Muhammad Saad, Bhajan Lal, Hani Abulkhair, et al. "Formation Kinetics Evaluation for Designing Sustainable Carbon Dioxide-Based Hydrate Desalination via Tryptophan as a Biodegradable Hydrate Promotor." Sustainability 15, no. 1 (2023): 788. http://dx.doi.org/10.3390/su15010788.

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Desalination using hydrates is a developing field, and initial research promises a commercially feasible approach. The current study proposes the natural amino acid, namely tryptophan, as a biodegradable gas hydrate promotor for desalination applications to speed up the hydrate formation process. Its kinetic behavior and separation capabilities with CO2 hydrates were investigated. The studies were carried out with varying concentrations (0.5, 1, and 2 wt.%) of tryptophan at different experimental temperatures (274.15, 275.15, 276.15, and 277.15 K) at 3.5 and 4.0 MPa pressure and 1 wt.% brine c
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Jarrahian, Azad, and Ehsan Heidaryan. "Natural gas hydrate promotion capabilities of toluene sulfonic acid isomers." Polish Journal of Chemical Technology 16, no. 1 (2014): 97–102. http://dx.doi.org/10.2478/pjct-2014-0017.

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Abstract The purpose of this study was to investigate the natural gas hydrate promotion capabilities of the hydrotrope Toluene Sulfonic Acid (TSA) isomers as an additive. The capabilities of TSA isomers were measured with different concentrations. The optimum additive concentration for hydrate formation was determined for the given pressure, temperature, mixing condition, and cooling time. The natural gas hydrate promotability of para-TSA was found to be 20% and 35% more than meta-TSA and ortho-TSA respectively at the optimum concentration. Beyond the optimum TSA concentration, the hydrate for
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Chuvilin, Evgeny, and Dinara Davletshina. "Formation and Accumulation of Pore Methane Hydrates in Permafrost: Experimental Modeling." Geosciences 8, no. 12 (2018): 467. http://dx.doi.org/10.3390/geosciences8120467.

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Favorable thermobaric conditions of hydrate formation and the significant accumulation of methane, ice, and actual data on the presence of gas hydrates in permafrost suggest the possibility of their formation in the pore space of frozen soils at negative temperatures. In addition, today there are several geological models that involve the formation of gas hydrate accumulations in permafrost. To confirm the literature data, the formation of gas hydrates in permafrost saturated with methane has been studied experimentally using natural artificially frozen in the laboratory sand and silt samples,
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Luan, Hengjie, Mingkang Liu, Qinglin Shan, Yujing Jiang, Peng Yan, and Xiaoyu Du. "Experimental Study on the Effect of Mixed Thermodynamic Inhibitors with Different Concentrations on Natural Gas Hydrate Synthesis." Energies 17, no. 9 (2024): 2078. http://dx.doi.org/10.3390/en17092078.

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Natural gas hydrate (NGH) is a potential future energy resource. More than 90% of NGH resources exist in the pore medium of seafloor sediments. During the development of deep-sea oil and gas fields, wellbore pipelines are often clogged due to the synthesis of gas hydrates, and the addition of thermodynamic inhibitors is a common solution to prevent hydrate synthesis. In this paper, the effects of two single inhibitors, sodium chloride and ethylene glycol, as well as hybrid inhibitors combining these two inhibitors on the synthesis of methane hydrates were investigated using the self-developed
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Dmytrenko, Victoriia, Oleksandr Lukin, and Vasyl Savyk. "The influence of the gas hydrates morphology on the rate of dissociation and the manifestation of self-preservation in non-equilibrium conditions." Technology audit and production reserves 3, no. 1(65) (2022): 39–43. http://dx.doi.org/10.15587/2706-5448.2022.261716.

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The object for the research was samples of artificially formed gas hydrate of different morphology. Gas hydrates are clathrate compounds of water molecules and hydrate-forming gases. They create significant problems for the oil and gas industry. At the same time, they contain enormous natural gas resources. The study of gas hydrates requires the production of quality samples in laboratory conditions and the availability of appropriate laboratory equipment. However, it is customary to use averaged physical indicators when performing calculations and in works on modeling gas-hydrate processes. A
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Portnyagin, A. S., I. K. Ivanova, L. P. Kalacheva, and V. V. Portnyagina. "Studying the Formation of Natural Gas Hydrates in a Porous Medium from a Polymer – Solution – Oil Mixture." Chemistry and Technology of Fuels and Oils 638, no. 4 (2023): 24–28. http://dx.doi.org/10.32935/0023-1169-2023-638-4-24-28.

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The article presents the results of studies of equilibrium conditions and kinetic characteristics of the processes of formation of natural gas hydrate in systems of porous medium - water - polymer - calcium chloride - oil under static conditions. It has been established that, formation of methane and natural gas hydrates mixture occurs in the systems under study. The presence of oil in the reaction system does not affect the equilibrium conditions of the gas hydrates formation within the error but reduces the hydrate formation rateand water-to hydrate convertion. The presence of the CaCl2 salt
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Dissertations / Theses on the topic "Hydrates de gaz naturel – Additifs"

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Abdallah, Mohamad. "Caractérisation multi-échelles des hydrates de gaz formés en présence d'additifs anti-agglomérants." Electronic Thesis or Diss., Bordeaux, 2024. http://www.theses.fr/2024BORD0048.

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Dans le cadre de la production pétrolière, la formation d’hydrates de gaz peut conduire à la formation de dépôts, au bouchage des lignes et à l’interruption de la production du pétrole et/ou du gaz. La formation d’hydrate peut donc avoir un impact économique fort. Pour assurer la production sans risque d’arrêt de production, différentes stratégies sont adoptées. Une stratégie courante implique la production hors zone hydrates par injection d’additifs thermodynamiques (THIs) par exemple. Cependant, le déplacement des conditions de stabilité des hydrates par les THIs nécessitent l’injection de d
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Ricaurte, Fernandez Marvin José. "Séparation du co2 d’un mélange co2-ch4 par cristallisation d’hydrates de gaz : influence d’additifs et effet des conditions opératoires." Thesis, Pau, 2012. http://www.theses.fr/2012PAUU3031/document.

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La séparation du CO2 d'un mélange de gaz par cristallisation d'hydrates de gaz est un procédé qui pourrait à terme présenter une alternative intéressante aux techniques conventionnelles de capture du CO2. L'objectif de cette thèse était d'évaluer le potentiel de ce procédé "hydrates" pour séparer le CO2 d'un mélange CO2-CH4 riche en CO2. Nous avons étudié en particulier la sélectivité de la séparation vis-à-vis du CO2 et la cinétique de cristallisation des hydrates, ainsi que l'effet d'additifs thermodynamiques et cinétiques (et de certaines de leurs combinaisons) sur ces deux paramètres pour
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Cingotti, Béatrice. "Étude du mécanisme d'action d'une famille de copolymères inhibiteurs cinétiques susceptibles de modifier la cristallisation des hydrates de méthane." Grenoble INPG, 1999. https://theses.hal.science/tel-01351384.

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Les hydrates de gaz sont des composés d'inclusion qui se forment en présence d'eau et de gaz à haute pression et basse température. La formation d'hydrates dans les pipes en production polyphasique conduit rapidement à un bouchage des conduites qui entraîne un arrêt de la production. Depuis quelques années, la recherche appliquée s'est orientée vers la mise au point d'inhibiteurs cinétiques. Ces additifs hydrosolubles sont des inhibiteurs de cristallisation. Ce travail a porté sur l'étude des mécanismes d'action d'une famille de copolymères AA/AMPS susceptibles de modifier la cristallisation d
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Pic, Jean-Stéphane. "Étude du mécanisme d'action d'un inhibiteur cinétique sur la cristallisation de l'hydrate de méthane." Grenoble INPG, 2000. https://theses.hal.science/tel-00820320.

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L'exploitation de gisements pétroliers off shore doit souvent faire face à des problèmes de colmatage de conduites, notamment dus à la cristallisation d'hydrates de gaz. Actuellement, les opérateurs ont recours à des additifs antigels, dont l'efficacité est limitée par des conditions d'exploitation et des normes anti-pollution de plus en plus sévères. Aussi les recherches s'orientent-elles vers une nouvelle classe d'inhibiteurs dits à faible dose. Afin de comprendre l'influence de tels additifs, nous avons réalisé un réacteur haute pression muni d'un dispositif d'injection de liquide et d'un c
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Pic, Jean-Stéphane. "Etude du mécanisme d'action d'un inhibiteur cinétique sur la cristallisation de l'hydrate de méthane." Phd thesis, Ecole Nationale Supérieure des Mines de Saint-Etienne, 2000. http://tel.archives-ouvertes.fr/tel-00820320.

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L'exploitation de gisements pétroliers off shore doit souvent faire face à des problèmes de colmatage de conduites, notamment dus à la cristallisation d'hydrates de gaz. Actuellement, les opérateurs ont recours à des additifs antigels, dont l'efficacité est limitée par des conditions d'exploitation et des normes anti-pollution de plus en plus sévères. Aussi les recherches s'orientent-elles vers une nouvelle classe d'inhibiteurs dits à faible dose. Afin de comprendre l'influence de tels additifs, nous avons réalisé un réacteur haute pression muni d'un dispositif d'injection de liquide et d'un c
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Sales, Silva Luiz Paulo. "Procédé de séparation par formation sélective d'hydrates de gaz pour la valorisation du biogaz." Electronic Thesis or Diss., Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLY021.

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Le biogaz, constitué essentiellement de méthane et de dioxyde de carbone, représente une voie alternative aux sources d’énergies fossiles. Pour être valorisé le mélange doit être séparé dans un procédé de séparation de gaz. Ces dernières années, un nouveau procédé basé sur la formation d'hydrates de gaz (GSHF) a suscité une attention particulière dans la communauté scientifique. Basé sur une transition de phase hydrate – liquide – vapeur conduite en présence de promoteurs thermodynamiques, la purification est supposée demander moins d’énergie et moins de réactifs dangereux pour l’environnement
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Sales, Silva Luiz Paulo. "Procédé de séparation par formation sélective d'hydrates de gaz pour la valorisation du biogaz." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLY021/document.

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Le biogaz, constitué essentiellement de méthane et de dioxyde de carbone, représente une voie alternative aux sources d’énergies fossiles. Pour être valorisé le mélange doit être séparé dans un procédé de séparation de gaz. Ces dernières années, un nouveau procédé basé sur la formation d'hydrates de gaz (GSHF) a suscité une attention particulière dans la communauté scientifique. Basé sur une transition de phase hydrate – liquide – vapeur conduite en présence de promoteurs thermodynamiques, la purification est supposée demander moins d’énergie et moins de réactifs dangereux pour l’environnement
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Mendes, Melchuna Aline. "Experimental study and modeling of methane hydrates cristallization under flow from emulsions with variable fraction of water and anti-agglomerant." Thesis, Lyon, 2016. http://www.theses.fr/2016EMSE0811/document.

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La cristallisation des hydrates pendant la production de pétrole est une source de risques, surtout liés au bouchage des lignes de production dû à l’agglomération des hydrates. Pendant l'extraction de pétrole, l'huile et l'eau circulent dans le pipeline et forment une émulsion instable. La phase eau se combine avec les composants d'hydrocarbures légers et peut former des hydrates. La cristallisation des hydrates a été intensivement étudiée, principalement à faible fraction d’eau. Cependant, lorsque le champ de pétrole devient mature, la fraction d’eau augmente et peut devenir la phase dominant
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Nguyen, Hong Duc. "Dissociation des bouchons d'hydrates de gaz dans les conduites pétrolières sous-marines." Saint-Etienne, EMSE, 2005. http://tel.archives-ouvertes.fr/tel-00009985.

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Dans les conduites pétrolières sous-marines ou dans celles de gaz, la formation des hydrates de gaz est un problème majeur. La présence de nouvelles particules solides formées à partir des molécules d'eau et des hydrocarbures légers (méthane, éthane. . . ) sous haute pression et basse température au sein d’un effluent qui au départ est liquide, a pour effet d’augmenter brutalement la viscosité de l’ensemble, ce qui gène encore le flux dans son écoulement. Au bout du compte on peut observer un blocage complet de la conduite. Pour les éliminer après leur formation, on peut avoir recours à un pro
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Hajiw, Martha. "Étude des conditions de dissociation des hydrates de gaz en présence de gaz acides." Thesis, Paris, ENMP, 2014. http://www.theses.fr/2014ENMP0042/document.

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La demande en énergies fossiles a connu une forte croissance au cours du vingtième siècle et représente aujourd'hui 80% de la consommation énergétique mondiale. Pour répondre à la demande, les industries pétrolières et gazières s'orientent vers de nouvelles sources. 40% des réserves de gaz contiennent un pourcentage important (jusqu'à 20%) de gaz acides (dioxyde de carbone et sulfure d'hydrogène). La production de ces gaz à forte teneur en gaz acides représente un défi pour les industries, étant donné la toxicité du sulfure d'hydrogène et la forte probabilité de corrosion des pipelines en prés
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Books on the topic "Hydrates de gaz naturel – Additifs"

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R, Dallimore S., Uchida T, Collett T. S, and Geological Survey of Canada, eds. Scientific results from JAPEX/JNOC/GSC Mallik 2L-38 Gas Hydrate Research Well, Mackenzie Delta, Northwest Territories, Canada. Geological Survey of Canada, 1999.

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London, Geological Society of, ed. Sediment-hosted gas hydrates: New insights on natural and synthetic systems. Geological Society, 2009.

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Carroll, John J. Natural gas hydrates: A guide for engineers. Gulf Professional Pub., 2003.

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Natural Gas Hydrate in Oceanic and Permafrost Environments (Coastal Systems and Continental Margins). Springer, 2003.

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Gas Hydrates 1: Fundamentals, Characterization and Modeling. Wiley & Sons, Incorporated, John, 2017.

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Broseta, Daniel, Livio Ruffine, and Arnaud Desmedt. Gas Hydrates 1: Fundamentals, Characterization and Modeling. Wiley & Sons, Incorporated, John, 2017.

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Broseta, Daniel, Livio Ruffine, and Arnaud Desmedt. Gas Hydrates 1: Fundamentals, Characterization and Modeling. Wiley & Sons, Incorporated, John, 2017.

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Clathrate Hydrates of Natural Gases, Third Edition (Chemical Industries Series). 3rd ed. CRC, 2007.

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Natural gas hydrates: A guide for engineers. Gulf Professional Pub., 2003.

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Natural gas hydrates: A guide for engineers. 2nd ed. Gulf Professional Pub., 2009.

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Book chapters on the topic "Hydrates de gaz naturel – Additifs"

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Kim Hak-Sung and Cho Gye-Chun. "Geotechnical and Geophysical Properties of Deep Marine Sediments Recovered from the Gas Hydrate Occurrence Regions in Ulleung Basin, East Sea, Korea." In From Fundamentals to Applications in Geotechnics. IOS Press, 2015. https://doi.org/10.3233/978-1-61499-603-3-729.

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The vast amounts of gas hydrate reserves have drawn scientific attentions as a potential energy resource. For gas hydrate production, gas hydrate-bearing sediments should be depressurized below the gas hydrate equilibrium pressure. The depressurization of a gas hydrate reservoir can lead to several geotechnical problems such as the destabilization of the production well, settlement of the seafloor installation, or slope failure of the production site. Thus, it is important to determine the geotechnical characteristics of gas hydrate-bearing sediments. This study determined the geotechnical and
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Ketzer, João Marcelo, Adriano Viana, Dennis Miller, et al. "Hidratos de Gás Na Margem Continental Brasileira." In Recursos Minerais Marinhos. Sociedade Brasileira de Geofísica - SBGf, 2023. http://dx.doi.org/10.22564/sbgfbook.cad5.2023.cap10.

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O presente capítulo faz uma introdução geral sobre o tema hidratos de gás naturais, i.e., que ocorrem nos sedimentos, apresentando os tipos existentes, como se formam, os principais gases envolvidos, a sua importância econômica e ambiental (incluindo mudança climática e como geohazards), além de suas ocorrências naturais no mundo. A seguir é apresentado um breve histórico dos estudos e da exploração de hidratos de gás no Brasil, seguido de uma descrição das ocorrências naturais confirmadas no país, no leque do Amazonas (Bacia da Foz do Amazonas) e no Cone de Rio Grande (Bacia de Pelotas). Por
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Almubarak, Tariq, Muthukumar Nagu, and Shenbaga Murthy. "Effect of Oilfield Chemicals on Corrosion in Downstream Units." In Corrosion and Challenges of Corrosion Control for Metallic Surfaces [Working Title]. IntechOpen, 2025. https://doi.org/10.5772/intechopen.1011016.

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Corrosion is a natural degradation process wherein metals react with their environment, resulting in the formation of more stable compounds such as oxides, hydroxides, or sulfides. This process leads to considerable economic losses across industrial sectors due to material degradation and equipment failure. In the oil and gas industry, the issue is particularly critical, as metallic infrastructure is continuously exposed to aggressive environments during production, processing, and transport. While a range of mitigation techniques have been developed to limit corrosion, recent studies have sho
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Gorbachev, Boris Gusev, Victor Kuzin, Shengli Xie, and Dong Yue. "Preface." In Hybrid Methods of Big Data Analysis and Applications. Creosar Publishing, 2022. http://dx.doi.org/10.57118/creosar/978-1-915740-01-4_0.

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This volume describes the solution of problems of Big Data intellectual analysis, control, design and optimization. Big Data - technologies that extract maximum benefit from big data, which are widespread in all spheres. Starting with an official introduction to the basics of algorithm hybridization, this book combines many different aspects of current research on hybrid technologies, such as deep neural networks, fuzzy neural networks, multi-MISO ANFIS, fuzzy C-means, conditional disentangled networks, generative adversarial networks, finite difference method and enthalpy method. The book als
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Conference papers on the topic "Hydrates de gaz naturel – Additifs"

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Delgado-Linares, Jose G., Ahmad A. A. Majid, Luis E. Zerpa, and Carolyn A. Koh. "Reducing THI Injection and Gas Hydrate Agglomeration by Under-Inhibition of Crude Oil Systems." In Offshore Technology Conference. OTC, 2021. http://dx.doi.org/10.4043/31161-ms.

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Abstract Gas hydrates constitute a serious flow assurance problem. Over the last decades, industry has faced this problem by using avoidance methods (e.g. injection of thermodynamic hydrate inhibitors) and management strategies (e.g. addition of hydrate anti-agglomerants). In the former, hydrates are completely avoided by shifting the hydrate boundary towards higher pressure and lower temperatures; in the latter, hydrates are allowed to form but their tendency to agglomerate is reduced. It should be noted that some crude oils are naturally able to avoid hydrate agglomeration, this non-plugging
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Kar, Aritra, Palash Acharya, Awan Bhati, et al. "Modeling the Influence of Heat Transfer on Gas Hydrate Formation." In ASME 2022 Heat Transfer Summer Conference collocated with the ASME 2022 16th International Conference on Energy Sustainability. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/ht2022-79744.

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Abstract Gas hydrates are crystalline structures of water and gas which form at high pressures and low temperatures. Hydrates have important applications in carbon sequestration, desalination, gas separation, gas transportation and influence flow assurance in oil-gas production. Formation of gas hydrates involves mass diffusion, chemical kinetics and phase change (which necessitates removal of the heat of hydrate formation). When hydrates are synthesized artificially inside reactors, the heat released raises the temperature of the water inside the reactor and reduces the rate of hydrate format
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Collett, T. S. "International Gas Hydrate Research and Development." In Offshore Technology Conference. OTC, 2025. https://doi.org/10.4043/35912-ms.

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Abstract Gas hydrates are increasingly acknowledged as a potential future natural gas resource, sparking extensive global research into their geological characteristics and the technology needed for production. This paper offers a comprehensive review of gas hydrate-related research initiatives and production testing activities, including those in the Alaska North Slope (USA), Mackenzie Delta (Canada), Gulf of America (USA), South China Sea (PRC), Nankai Trough (Japan), Bay of Bengal (India), and Black Sea (Turkey). Recent studies have demonstrated successful gas production from hydrates found
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Sahari Moghaddam, Farzan, Maziyar Mahmoodi, Marziyeh Zare, Fatemeh Goodarzi, Majid Abdi, and Lesley James. "Natural Gas Hydrate Equilibria in Brine Including the Effect of Inhibitors on Hydrate Formation." In SPE Canadian Energy Technology Conference. SPE, 2022. http://dx.doi.org/10.2118/208890-ms.

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Abstract Preventing hydrate formation is critical to safely and economically manage subsea tiebacks. Thermodynamic Hydrate Inhibitors (THI) and Low Dosage Hydrate Inhibitors (LDHI) help manage hydrate formation. Here, we use a novel isothermal approach using a PVT cell to experimentally find the hydrate equilibrium point of natural gas and brine. In addition, a constant temperature and pressure condition is used to compare hydrate formation with and without hydrate inhibitors. First, to better understand the novel isothermal technique, natural gas-brine equilibrium experiments were conducted.
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Hamalian, Mark, Awan Bhati, and Vaibhav Bahadur. "Analysis of Electrochemical Capture of CO2 From Oceanwater Coupled With Hydrates-Based Seabed Sequestration." In ASME 2024 18th International Conference on Energy Sustainability collocated with the ASME 2024 Heat Transfer Summer Conference and the ASME 2024 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/es2024-132209.

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Abstract Novel energy efficient and scalable carbon capture and sequestration technologies are critical to meeting the goals of the Paris Agreement. In this study, we present a first-order system-level assessment of an integrated carbon capture and carbon sequestration plant that couples electrochemical CO2 capture from oceanwater with co-located long-term carbon sequestration as CO2 hydrates (ice-like solids) on the seabed. Separate recent experimental results associated with electrochemical capture and hydrate formation form the basis for this energetics-focused analysis, which evaluates pow
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Aregbe, Azeez Gbenga, and Ayoola Idris Fadeyi. "A Comprehensive Review on CO2/N2 Mixture Injection for Methane Gas Recovery in Hydrate Reservoirs." In SPE Nigeria Annual International Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/207092-ms.

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Abstract Clathrate hydrates are non-stoichiometric compounds of water and gas molecules coexisting at relatively low temperatures and high pressures. The gas molecules are trapped in cage-like structures of the water molecules by hydrogen bonds. There are several hydrate deposits in permafrost and oceanic sediments with an enormous amount of energy. The energy content of methane in hydrate reservoirs is considered to be up to 50 times that of conventional petroleum resources, with about 2,500 to 20,000 trillion m3 of methane gas. More than 220 hydrate deposits in permafrost and oceanic sedimen
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7

Sayed, Mohammed, Rajesh Saini, Eyad AlAli, Rajendra Kalgaonkar, and Ahmed Arnous. "From Laboratory to Field Applications: A Safer Gas Hydrate Dissolver to Replace Methanol." In Offshore Technology Conference. OTC, 2022. http://dx.doi.org/10.4043/31998-ms.

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Abstract Low-molecular-weight hydrocarbon gases, such as methane and ethane, along with other low-molecular-weight species, such as CO2 and H2S, exist within the gas stream flowing through the pipelines used to transport natural gas and crude oils. Under certain conditions of low temperature and high pressure, and in the presence of free water molecules, gas-hydrate crystals will start to form. These gas hydrate crystals may accumulate and cause partial or complete plugging of the pipeline in the vertical or horizontal sections of the pipe. Methanol was previously found to be the only effectiv
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8

Sayed, Mohammed, Rajesh Saini, Eyad AlAli, Rajendra Kalgaonkar, and Ahmed Arnous. "From Laboratory to Field Applications: A Safer Gas Hydrate Dissolver to Replace Methanol." In Offshore Technology Conference. OTC, 2022. http://dx.doi.org/10.4043/31998-ms.

Full text
Abstract:
Abstract Low-molecular-weight hydrocarbon gases, such as methane and ethane, along with other low-molecular-weight species, such as CO2 and H2S, exist within the gas stream flowing through the pipelines used to transport natural gas and crude oils. Under certain conditions of low temperature and high pressure, and in the presence of free water molecules, gas-hydrate crystals will start to form. These gas hydrate crystals may accumulate and cause partial or complete plugging of the pipeline in the vertical or horizontal sections of the pipe. Methanol was previously found to be the only effectiv
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9

Aminnaji, Morteza, Alfred Hase, and Laura Crombie. "Anti-Agglomerants: Study of Hydrate Structural, Gas Composition, Hydrate Amount, and Water Cut Effect." In International Petroleum Technology Conference. IPTC, 2023. http://dx.doi.org/10.2523/iptc-22765-ms.

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Abstract Kinetic hydrate inhibitors (KHIs) and anti-agglomerants (AAs) – known as low dosage hydrate inhibitors (LDHIs) – have been used widely for gas hydrate prevention in oil and gas operations. They offer significant advantages over thermodynamic inhibitors (e.g., methanol and glycols). While significant works have been done on KHIs evaluation, AAs suffer from their evaluation in terms of hydrate structural effect, gas composition, water cut, and hydrate amount, which are the main objectives of this work. A Shut-in-Restart procedure was carried out to experimentally evaluate (using a visua
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10

Suri, Ajay, and Ankur Singh. "Synergistic Hydrate Inhibition by Iota-Carrageenan with Kinetic Hydrate Inhibitors." In Middle East Oil, Gas and Geosciences Show. SPE, 2023. http://dx.doi.org/10.2118/213610-ms.

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Abstract The hydrate-inhibiting performance of a natural plant-based polysaccharide iota-carrageenan is evaluated as a standalone inhibitor and as a synergist with two well-known kinetic hydrate inhibitors (KHIs), polyvinyl caprolactam (PVCap) and polyvinylpyrrolidone (PVP), in order to achieve a higher hydrate inhibition performance. The hydrate inhibiting performance is assessed experimentally by measuring the induction time (IT) required for measurable hydrate formation and by the average hydrate growth rate (HGR) after measurable hydrate formation using a standard constant cooling rate of
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