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Artigos de revistas sobre o assunto "Hydrates de gaz naturel – Additifs"
Li, Bo, You-Yun Lu e Yuan-Le Li. "A Review of Natural Gas Hydrate Formation with Amino Acids". Journal of Marine Science and Engineering 10, n.º 8 (17 de agosto de 2022): 1134. http://dx.doi.org/10.3390/jmse10081134.
Texto completo da fonteLiu, Huaxin, Meijun Li, Hongfei Lai, Ying Fu, Zenggui Kuang e 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, n.º 2 (14 de janeiro de 2024): 412. http://dx.doi.org/10.3390/en17020412.
Texto completo da fonteGraue, Arne, B. Kvamme, Bernie Baldwin, Jim Stevens, James J. Howard, Eirik Aspenes, Geir Ersland, Jarle Husebo e D. Zornes. "MRI Visualization of Spontaneous Methane Production From Hydrates in Sandstone Core Plugs When Exposed to CO2". SPE Journal 13, n.º 02 (1 de junho de 2008): 146–52. http://dx.doi.org/10.2118/118851-pa.
Texto completo da fonteKhan, Muhammad Saad, Bhajan Lal, Hani Abulkhair, Iqbal Ahmed, Azmi Mohd Shariff, Eydhah Almatrafi, Abdulmohsen Alsaiari e Omar Bamaga. "Formation Kinetics Evaluation for Designing Sustainable Carbon Dioxide-Based Hydrate Desalination via Tryptophan as a Biodegradable Hydrate Promotor". Sustainability 15, n.º 1 (1 de janeiro de 2023): 788. http://dx.doi.org/10.3390/su15010788.
Texto completo da fonteJarrahian, Azad, e Ehsan Heidaryan. "Natural gas hydrate promotion capabilities of toluene sulfonic acid isomers". Polish Journal of Chemical Technology 16, n.º 1 (1 de março de 2014): 97–102. http://dx.doi.org/10.2478/pjct-2014-0017.
Texto completo da fonteChuvilin, Evgeny, e Dinara Davletshina. "Formation and Accumulation of Pore Methane Hydrates in Permafrost: Experimental Modeling". Geosciences 8, n.º 12 (10 de dezembro de 2018): 467. http://dx.doi.org/10.3390/geosciences8120467.
Texto completo da fonteLuan, Hengjie, Mingkang Liu, Qinglin Shan, Yujing Jiang, Peng Yan e Xiaoyu Du. "Experimental Study on the Effect of Mixed Thermodynamic Inhibitors with Different Concentrations on Natural Gas Hydrate Synthesis". Energies 17, n.º 9 (26 de abril de 2024): 2078. http://dx.doi.org/10.3390/en17092078.
Texto completo da fonteDmytrenko, Victoriia, Oleksandr Lukin e 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, n.º 1(65) (30 de junho de 2022): 39–43. http://dx.doi.org/10.15587/2706-5448.2022.261716.
Texto completo da fontePortnyagin, A. S., I. K. Ivanova, L. P. Kalacheva e 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, n.º 4 (2023): 24–28. http://dx.doi.org/10.32935/0023-1169-2023-638-4-24-28.
Texto completo da fonteGoshovskyi, S. V., e Oleksii Zurian. "METHODS AND TECHNOLOGIES OF METHANE GAS EXTRACTION FROM AQUA GAS HYDRATE FORMATIONS". Мінеральні ресурси України, n.º 4 (28 de dezembro de 2018): 26–31. http://dx.doi.org/10.31996/mru.2018.4.26-31.
Texto completo da fonteTeses / dissertações sobre o assunto "Hydrates de gaz naturel – Additifs"
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.
Texto completo da fonteIn the context of oil production, the formation of gas hydrates can lead to the formation of deposits, the clogging of lines and the interruption of oil and/or gas production. Hydrate formation can therefore have a strong economic impact. To ensure production without the risk of production shutdown, different strategies are adopted. A common strategy involves the production outside the hydrate zone by injection of thermodynamic additives (THIs), for example. However, the displacement of hydrate stability conditions by THIs requires the injection of massive doses of additive with high environmental and economic costs. Another production strategy, in the hydrate zone, consists of injecting so-called low dose inhibitors (LDHI): kinetic inhibitors (KHIs) or anti-agglomerant additives (AAs). For deep offshore oil fields, only the injection of AAs is relevant. These additives do not block the formation of hydrates but prevent their agglomeration and disperse the crystals formed in the production fluids. The development of AAs and the validation of their applications on production fields require an in-depth investigation of their impacts on real production systems (dispersion of crystals in pipes, the size of crystals in the continuous phase, the transportability of slurries, etc…).êTo provide a better understanding of the impact of commercial AAs on the formation of hydrates, a multidisciplinary and multi-scale approach was adopted. The formation of natural gas hydrates was first carried out in the laboratory by reproducing oil production conditions with industrial systems under operational conditions with three different AAs. On the macroscopic scale, the slurries of crystals produced under stirring in the reactors highlight effects dependent on the AA used. They impact differently the kinetics of hydrate formation, the rate and speed of crystal growth as well as their state of dispersion. Without stirring, these AAs additives affect the morphology and control the growth of crystals and the phase in which they will grow. A hydrate transfer cell was then designed to sample of hydrate slurries formed in the reactors under conditions close to industrial reality (with stirring, high pressure, low temperature). The transferred hydrate slurries were then analyzed by X-ray microtomography using a method developed during this work. On the microscopic scale, the state of dispersion of the hydrate grains was assessed for all transferred samples and information was obtained on the size of the dispersed hydrate grains, their shape and their sedimentation in the organic phase. At the molecular scale, in-situ analyzes were carried out by Raman spectroscopy on methane hydrates formed in the presence of the three AA additives. These tests highlighted the distribution of hydrates in the organic phases (gas and condensate). Observations by optical microscopy reveal hydrate morphologies comparable to those obtained in the presence of AAs additives in the reactors
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.
Texto completo da fonteThe separation of CO2 from a gas mixture by crystallization of gas hydrates is a process that could eventually provide an attractive alternative to the conventional techniques used for CO2 capture. The aim of this thesis was to evaluate the potential of this "hydrate" process to separate CO2 from a CO2-CH4 gas mixture, rich in CO2. We have studied in particular the selectivity of the separation toward CO2 and the hydrate crystallization kinetics. The effects of thermodynamic and kinetic additives (and some additive combinations) on these two parameters for different operating conditions (pressure, temperature, concentrations) were evaluated. Hydrate formation and dissociation experiments were performed in "batch mode” in a high pressure reactor, and with an experimental pilot rig designed and built entirely during this thesis. A semi-empirical model was also developed to estimate the water to hydrate conversion and the composition of the different phases (hydrates, liquid and vapor) at equilibrium. The results show that the combination of sodium dodecyl sulfate (SDS) used as a kinetic promoter, with tetrahydrofuran (THF) used as a thermodynamic promoter, provides interesting results in terms of both the amount of hydrates formed and the hydrate formation kinetics. The selectivity of the separation toward CO2 remains too low (an average of four CO2 molecules trapped in the hydrate structure for one of CH4) to consider using this "hydrate" process on a larger scale to separate CO2 from such a gas mixture
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.
Texto completo da fontePic, 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.
Texto completo da fontePic, 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.
Texto completo da fonteSales, 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.
Texto completo da fonteBiogas represents an alternative path to fossil energies. It is composed mainly by methane and carbon dioxide. This couple must be separated in a gas separation process. In recent years, the new process based on gas hydrate formation (GSHF) has taken special attention in academic community. Besides, the use of thermodynamic promoters can increase the efficiency of the process. Since GSFH is based on phase transition phenomenon, knowledge about phase equilibria is essential. In this project, we have selected and studied four thermodynamic promoters (tretrabutylammonium bromide / TBAB; tetrabutylphosphonium bromide / TBPB; tributylphosphine oxide / TBPO; tetrahydropyran / THP) that have potential to improve GSFH process of biogas in terms of stability gain (less energy consumption), kinetics and selectivity. One part of this project consisted in determining the gas hydrate equilibrium conditions involving these promoters and the different gas phases (CO2, CH4 and simulated biogas). Differential scanning calorimetry (DSC) methods were applied to measure the phase transition temperatures. Therefore, new phase equilibrium data were determined for the promoter/gas hydrate systems. In the second part of the project, we carried out quantitative measurements in an instrumented reactor in order to evaluate the GSFH process for upgrading biogas. Each promoter was evaluated in kinetics and thermodynamics aspects, such as crystal growth rate, amount of gas trapped into the hydrate phase, and selectivity. The optimization of the hydrate formation / dissociation cycle showed excellent results in terms of kinetics improvement
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.
Texto completo da fonteBiogas represents an alternative path to fossil energies. It is composed mainly by methane and carbon dioxide. This couple must be separated in a gas separation process. In recent years, the new process based on gas hydrate formation (GSHF) has taken special attention in academic community. Besides, the use of thermodynamic promoters can increase the efficiency of the process. Since GSFH is based on phase transition phenomenon, knowledge about phase equilibria is essential. In this project, we have selected and studied four thermodynamic promoters (tretrabutylammonium bromide / TBAB; tetrabutylphosphonium bromide / TBPB; tributylphosphine oxide / TBPO; tetrahydropyran / THP) that have potential to improve GSFH process of biogas in terms of stability gain (less energy consumption), kinetics and selectivity. One part of this project consisted in determining the gas hydrate equilibrium conditions involving these promoters and the different gas phases (CO2, CH4 and simulated biogas). Differential scanning calorimetry (DSC) methods were applied to measure the phase transition temperatures. Therefore, new phase equilibrium data were determined for the promoter/gas hydrate systems. In the second part of the project, we carried out quantitative measurements in an instrumented reactor in order to evaluate the GSFH process for upgrading biogas. Each promoter was evaluated in kinetics and thermodynamics aspects, such as crystal growth rate, amount of gas trapped into the hydrate phase, and selectivity. The optimization of the hydrate formation / dissociation cycle showed excellent results in terms of kinetics improvement
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.
Texto completo da fonteCrystallization of hydrates during oil production is a major source of hazards, mainly related to flow lines plugging after hydrate agglomeration. During the petroleum extraction, oil and water circulate in the flow line, forming an unstable emulsion. The water phase in combination with light hydrocarbon components can form hydrates. The crystallization of hydrates has been extensively studied, mainly at low water content systems. However, as the oil field matures, the water fraction increases and can become the dominant phase, a system less known in what concerns hydrate formation. Actually, several techniques can be combined to avoid or remediate hydrate formation. Recently, a new class of additives called Low Dosage Hydrate Inhibitor (LDHI) started to be studied, they are classified as Kinetic Hydrate Inhibitors (KHI-LDHI) and Anti-Agglomerants (AA-LDHI).This work is a parametric study about hydrate formation from emulsion systems ranging from low to high water content, where different flow rates and the anti-agglomerant presence were investigated. The experiments were performed at the Archimède flow loop, which is able to reproduce deep sea conditions. The goal of this study is enhancing the knowledge in hydrate formation and comprehending how the dispersant additive acts to avoid agglomeration. For this matter, it was developed a crystallization topological model for the systems without and with additive. A technique to determine the system continuous phase and a mechanism of the anti-agglomerant action from the chord length measurements were also proposed
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.
Texto completo da fonteNatural gas hydrates plugs cause problems during drilling, well operations, production, transportation and processing of oil and gas. Especially, it is a very serious problem in off-shore oil transportation where low temperature and high pressure become more and more favourable to gas hydrate formation as the new production wells are more and more deeper. Up to now, although many studies have been developed concerning the possibility of preventing pipe plugging, there is limited information in open literature on hydrate plugs dissociation and all models in literature are numerically complicated. In this study, hydrate plugs are formed from water in n-dodecane mixture with addition of a dispersant E102B in two different experimental apparatus in order to obtain hydrates plugs with different sizes (diameter of 7, 10. 75 and 12 cm). Then, the plugs are dissociated by the method of two-sided depressurisation. In this paper, we propose a numerical model which describes the dissociation of gas hydrate plugs in pipelines. The numerical model, which is constructed for cylindrical coordinates and for two-sided pressurisation, is based on enthalpy method. We present also an approximate analytical model which has an average error 2. 7 % in comparison with the numerical model. The excellent agreement between our experimental results, literature data and the two models shows that the models give a good prediction independently of the pipeline diameter, plug porosity and gas. The simplicity of the analytical model will make it easier in industrial applications
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.
Texto completo da fonteThe twentieth century has seen an important increase of the fossil energy demand, representing today 80% of world energy consumption. To meet the request, oil and gas companies are interested in new gas fields. 40% of these reserves are acid and sour gases, i.e. the percentage of carbon dioxide and hydrogen sulphide is significant, sometimes over 20% of CO2 or H2S. Natural gas production with high content of acid gases can be a challenge, due to their corrosiveness potential in pipelines in the presence of water and H2S toxicity. On another hand, as a result of world's dependence on fossil energies, the release of carbon into atmosphere is increasing and leads to climate changes. Carbon Capture and Storage (CCS) is one of the most promising ways to reduce CO2 emissions in the atmosphere. Whether in natural gas or carbon dioxide transport, water may be present. During production, transportation and processing, changes in temperature and pressure can lead to water condensation (cause of corrosion, and consequently a possible pipeline rupture), ice and/or gas hydrates formation. Hydrates are a serious flow assurance problem and may block pipelines. To avoid hydrates formation, chemical inhibitors are used. Therefore accurate knowledge of mixtures phase equilibria are important for safe operation of pipelines and production/processing facilities
Livros sobre o assunto "Hydrates de gaz naturel – Additifs"
R, Dallimore S., Uchida T, Collett T. S e Geological Survey of Canada, eds. Scientific results from JAPEX/JNOC/GSC Mallik 2L-38 Gas Hydrate Research Well, Mackenzie Delta, Northwest Territories, Canada. [Ottawa]: Geological Survey of Canada, 1999.
Encontre o texto completo da fonteCarroll, John J. Natural gas hydrates: A guide for engineers. Amsterdam: Gulf Professional Pub., 2003.
Encontre o texto completo da fonteMax, M. D. Natural Gas Hydrate in Oceanic and Permafrost Environments (Coastal Systems and Continental Margins). Springer, 2003.
Encontre o texto completo da fonteBroseta, Daniel, Livio Ruffine e Arnaud Desmedt. Gas Hydrates 1: Fundamentals, Characterization and Modeling. Wiley & Sons, Incorporated, John, 2017.
Encontre o texto completo da fonteGas Hydrates 1: Fundamentals, Characterization and Modeling. Wiley & Sons, Incorporated, John, 2017.
Encontre o texto completo da fonteBroseta, Daniel, Livio Ruffine e Arnaud Desmedt. Gas Hydrates 1: Fundamentals, Characterization and Modeling. Wiley & Sons, Incorporated, John, 2017.
Encontre o texto completo da fonteClathrate Hydrates of Natural Gases, Third Edition (Chemical Industries Series). 3a ed. CRC, 2007.
Encontre o texto completo da fonteBroseta, Daniel, Livio Ruffine e Arnaud Desmedt. Gas Hydrates 2: Geoscience Issues and Potential Industrial Applications. Wiley & Sons, Incorporated, John, 2018.
Encontre o texto completo da fonteBroseta, Daniel, Livio Ruffine e Arnaud Desmedt. Gas Hydrates 2: Geoscience Issues and Potential Industrial Applications. Wiley & Sons, Incorporated, John, 2018.
Encontre o texto completo da fonteGas Hydrates 2: Geoscience Issues and Potential Industrial Applications. Wiley & Sons, Incorporated, John, 2018.
Encontre o texto completo da fonteCapítulos de livros sobre o assunto "Hydrates de gaz naturel – Additifs"
Ketzer, João Marcelo, Adriano Viana, Dennis Miller, Adolpho Augustin, Frederico Rodrigues, Daniel Praeg e José Cupertino. "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.
Texto completo da fonteGorbachev, Boris Gusev, Victor Kuzin, Shengli Xie e Dong Yue. "Preface". In Hybrid Methods of Big Data Analysis and Applications, ix—xviii. Creosar Publishing, 2022. http://dx.doi.org/10.57118/creosar/978-1-915740-01-4_0.
Texto completo da fonteTrabalhos de conferências sobre o assunto "Hydrates de gaz naturel – Additifs"
Delgado-Linares, Jose G., Ahmad A. A. Majid, Luis E. Zerpa e 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.
Texto completo da fonteKar, Aritra, Palash Acharya, Awan Bhati, Arjang Shahriari, Ashish Mhahdeshwar, Timothy A. Barckholtz e Vaibhav Bahadur. "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.
Texto completo da fonteSahari Moghaddam, Farzan, Maziyar Mahmoodi, Marziyeh Zare, Fatemeh Goodarzi, Majid Abdi e 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.
Texto completo da fonteAregbe, Azeez Gbenga, e 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.
Texto completo da fonteSayed, Mohammed, Rajesh Saini, Eyad AlAli, Rajendra Kalgaonkar e 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.
Texto completo da fonteSayed, Mohammed, Rajesh Saini, Eyad AlAli, Rajendra Kalgaonkar e 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.
Texto completo da fonteAminnaji, Morteza, Alfred Hase e 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.
Texto completo da fonteSuri, Ajay, e 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.
Texto completo da fonteChen, Mingqiang, Qingping Li, Shouwei Zhou, Weixin Pang, Xin Lyu, Junlong Zhu, Qiang Fu, Chaohui Lyu e Yang Ge. "Dynamic Characterization of Pore Structures in Hydrate-Bearing Sediments During Hydrate Phase Transition". In SPE Annual Technical Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/214854-ms.
Texto completo da fonteRan, Lina, Shuang Liu, Qiqi Wanyan, Erdong Yao e Song Bai. "Optimization and Evaluation of Chemical Shrinking Agent for Deposits in Salt Cavern Gas Storage". In ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/omae2021-62735.
Texto completo da fonte