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Academic literature on the topic 'Exploration et production d'hydrogène naturel'
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Journal articles on the topic "Exploration et production d'hydrogène naturel"
Dündar, Oğuz İbrahim. "Utilisation Potentielle De Chatgpt Dans L'apprentissage Des Langues Etrangères : Exploration Des Possibilités Selon Les Niveaux Langagiers Du CECRL." Kahramanmaraş Sütçü İmam Üniversitesi Sosyal Bilimler Dergisi 21, no. 1 (April 30, 2024): 63–75. http://dx.doi.org/10.33437/ksusbd.1384040.
Full textKeller, Tait. "Aux marges écologiques de la belligérance." Annales. Histoire, Sciences Sociales 71, no. 01 (March 2016): 65–85. http://dx.doi.org/10.1353/ahs.2016.0056.
Full textDissertations / Theses on the topic "Exploration et production d'hydrogène naturel"
Maiga, Omar. "Caractérisation géologique et géophysique 3D d’un système de réservoirs d’hydrogène naturel : exemple du champ de Bourakèbougou, Mali." Electronic Thesis or Diss., Sorbonne université, 2023. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2023SORUS647.pdf.
Full textIn the race to find clean and inexpensive ways to produce hydrogen, the natural hydrogen wells of Bourakèbougou offer a promising solution. Not only has one of them been successfully exploited to generate electricity for the local village, but its current twenty-four wells also provide a unique opportunity for geoscientists to determine the key characteristics of natural hydrogen reservoirs, the nature of the cap rocks, and the various processes involved in its accumulation, migration, and trapping in the rocks. This scientific research presents core, logging, geophysical, and geochemical studies that have been conducted to better characterize the nature of Bourakèbougou's H2 reservoirs. The study of regional geology and the entire area based on drilling data interpretation and bibliographic information was initially carried out. This resulted in a new geological map of the area and a North-South cross-section of the entire basin. Facies analysis and drilling data showed a correlation between stratigraphic wells F1 and F2 drilled in 2011, 100 km north of Bourakèbougou, and the wells in the study area located further to the south. An antiform structure was also identified around Bourakèbougou. All of these data helped validate and provide a coherent sedimentary model for the entire area. To improve the geochronological framework between different events in the area and to characterize the chronological sequence between sediments and intrusions, U/Pb dating was performed on carbonates from Bougou-6, the deepest well, and well F2. The ages obtained for some carbonates were largely influenced by the intrusion of mega-sills of dolerites between 150 and 210 million years ago (Ma). This was confirmed through dating veins derived from the carbonates of the main Bougou-6 reservoir and well F2. The dated veins, especially the one in the main reservoir containing H2, provided an age of approximately 210 Ma, corresponding to the period of magmatism known as the Central Atlantic Magmatic Province (CAMP). Only the dating of a carbonate located at 890m yielded an age that was clearly synchronous with the deposition (620 ± 100 Ma). This age confirmed the Neoproterozoic age of the sediments and established a connection with the Neoproterozoic glaciation event that occurred between 635-710 Ma (Sturtian + Marinoan). Core analyses, well imaging, logging, Rock Eval, and calcimetry revealed that the upper carbonates in which the highest amount of H2 is accumulated mainly consist of dolomitic cap carbonates, and all H2 accumulations are found in karstic cavities (thermokarst). Different Neoproterozoic facies were identified along the sequence, including stromatolites, microbialites, sandstones, and diamictites. The rocks located above the main reservoir, primarily dolerite, were characterized to understand their role in trapping H2. It was found that not only do the dolerites play a significant role in trapping due to their cumulative thickness, but the presence of aquifers can also attenuate H2 migration by slowing it down in its migration towards the surface. The diagraphic analyses, coupled with production data, have revealed that the hydrogen system is a dynamic system that is spontaneously recharged in H2-rich gas at the production timescale, unlike oil and gas reservoir systems. Finally, the analysis of geophysical data provided an understanding of the overall structure of the area and the gas phase geophysical signature
Maurer, Olivier. "Etude de la distribution des espèces soufrées et de la production d'hydrogène sulfuré dans les stockages de gaz naturel en aquifères." Marne-la-vallée, ENPC, 1992. http://www.theses.fr/1992ENPC9230.
Full textObservations of natural gas quality withdrawn from natural gas aquifer starages often shows that desulfuration is needed but that hydrogen sulfid production is marginal compared to volumes. After adopting a geochamical and pluridisciplinal approach, realising an analytical program and performing specifical tools development, we propose a hydrogen sulfid formation model. Based on gas-water equilibrium and dissolved sulfur production, this model oppses a central area, desulfurized by acid but non-sulfurous gas injection to a peripheric area, enriched in sulfurous water and where mixing phenomenons are important. The major geochemical observation consists in storage water carbonatation, methane oxidation. Active parameters in the hydrogen sulfid production are essentially sulfurs, sulfates and alkalin ions water concentrations,, carbon dioxide and carbon oxysulfu gas content, solid carbonates and ferrous iron wzater saturations, sulfate-reducing, methanogenic and methanotrophic bacterial activities, as well as acid, temperature, pression and redox conditions in the medium. An isotopic synthesis also shows that jurassic sulfates of the parisian Basin are affiliated to a triasic sulfate, that dissolved natural sulfurs originate from the fossile bioreduction of those sulfates, and how dissolved carbonates in the gas exploited areas are carbon 13 enriched
Ledoux, Xavier. "Contribution à la mise au point de matériaux métalliques pour les unités de production d'hydrogène par vaporéformage du gaz naturel : 1/ Étude de l'oxydation de matériaux de structure à l'air entre 650 et 1050°C. 2/ Élaboration de revêtements et étude de leur résistance à l'oxydation." Thesis, Université de Lorraine, 2012. http://www.theses.fr/2012LORR0017/document.
Full textThe LokiR project aims to develop new steam reforming reactor to optimize the production of hydrogen. In this context, the protection of metallic alloys composing the reactor must be improved. In this thesis, the behavior of two chromia-forming alloys (Haynes© 120 and 230) was studied at high temperature under oxidizing conditions and protective coatings, able to improve their resistance against oxidation, have been developed. The study reveals that the alloys protect themselves by the growth of a chromia layer during their oxidation in air in the range 650-1050°C. This leads to a parabolic-like oxidation kinetics with low constant values for these types of alloys. The magnitude of the alloys life time at 1000°C was estimated at about 8 years in air. Chromia growth is controlled by the diffusion of the oxygen vacancy defect as well as high and low oxygen pressure. The tests indicate that the chromization of Haynes© 120 alloy leads an alpha-(Cr, Fe, Ni) phase that can be enriched with silicon. However, the behavior of these coatings oxidation at 1050°C, is, overall, unsatisfactory. The aluminization of the alloy Haynes © 120 leads to the formation of a beta-Al (Ni, Fe, Cr) coating. The oxidation study of the alloy thus coated leads to the initial growth of a transition alumina and, then, to the growth of the steady alpha-Al2O3. This last reduces the rate of oxidation and improves the thermal shock resistance. The aluminized alloy maintains the alumina-forming nature at least 10000 hours at 1000°C